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[81.101.15.158]) by smtp.gmail.com with ESMTPSA id vr9sm77110531wjc.35.2016.12.01.01.19.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 01:19:57 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 10.1 \(3251\)) From: Thomas Gazagnaire In-Reply-To: <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> Date: Thu, 1 Dec 2016 09:19:55 +0000 Message-Id: <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.3251) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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[81.101.15.158]) by smtp.gmail.com with ESMTPSA id vr9sm77110531wjc.35.2016.12.01.01.19.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 01:19:57 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 10.1 \(3251\)) From: Thomas Gazagnaire In-Reply-To: <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> Date: Thu, 1 Dec 2016 09:19:55 +0000 Message-Id: <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.3251) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , 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Received: (qmail 46568 invoked from network); 1 Dec 2016 09:52:49 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Dec 2016 09:52:49 -0000 X-IronPort-AV: E=Sophos;i="5.33,724,1477958400"; d="scan'208";a="35967543" From: Lars Kurth To: Stefano Stabellini Thread-Topic: [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes Thread-Index: AQHSRYQhqPro8oWIcEKTAMw2XQtN26DyJvEAgACumAA= Date: Thu, 1 Dec 2016 09:52:47 +0000 Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDMwLzExLzIwMTYgMjM6MjcsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGlu aUBrZXJuZWwub3JnPiB3cm90ZToNCg0KPk9uIFdlZCwgMjMgTm92IDIwMTYsIExhcnMgS3VydGgg d3JvdGU6DQo+Pg0KPj4gLUZvcm1hbCBWb3RlcyB7I2Zvcm1hbC12b3Rlc30NCj4+IC0tLS0tLS0t LS0tLS0NCj4+IC0NCj4+IC1Tb21ldGltZXMgaXQgaXMgbmVjZXNzYXJ5IHRvIGNvbmR1Y3QgZm9y 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helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCO2v-00056Y-3n; Thu, 01 Dec 2016 09:52:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCO2t-00056D-8z; Thu, 01 Dec 2016 09:52:51 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id F6/AA-24885-2F2FF385; Thu, 01 Dec 2016 09:52:50 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHKsWRWlGSWpSXmKPExsWyU9JRQvfjJ/s Igze/uCx6W++yWPxZnGjxZXkDo8X3LZOZHFg8Dn+4whLAGMWamZeUX5HAmvFpX3rB+WbGigX3 RRsYvzQydjFyckgI+El8+7MbzGYT0JA49rCZGcQWEdCX2HS7kb2LkYuDWeA6k8SVKa9YQRLCA qkSdz7dYYUoSpP4/XU3lG0lMev0RKBBHBwsAioSv1Ymgpi8AkYSnw6ZgIwREtjHKPH+4DWwXZ wC3hL9656yg9iMArISXxpXg+1lFhCXuPVkPhPEbQISS/acZ4awRSVePv4HtkpUQE9i3sNXbBB xHYmz159A/WIgsXXpPhaQvcwCmhLrd+lDmJYSN2/VQUxXlJjS/RBsK6+AoMTJmU9YJjCKzUKy eBZC8yyE5llImmchaV7AyLqKUb04tagstUjXSC+pKDM9oyQ3MTNH19DAWC83tbg4MT01JzGpW 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2016 09:52:49 -0000 X-IronPort-AV: E=Sophos;i="5.33,724,1477958400"; d="scan'208";a="35967543" From: Lars Kurth To: Stefano Stabellini Thread-Topic: [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes Thread-Index: AQHSRYQhqPro8oWIcEKTAMw2XQtN26DyJvEAgACumAA= Date: Thu, 1 Dec 2016 09:52:47 +0000 Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDMwLzExLzIwMTYgMjM6MjcsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGlu aUBrZXJuZWwub3JnPiB3cm90ZToNCg0KPk9uIFdlZCwgMjMgTm92IDIwMTYsIExhcnMgS3VydGgg d3JvdGU6DQo+Pg0KPj4gLUZvcm1hbCBWb3RlcyB7I2Zvcm1hbC12b3Rlc30NCj4+IC0tLS0tLS0t LS0tLS0NCj4+IC0NCj4+IC1Tb21ldGltZXMgaXQgaXMgbmVjZXNzYXJ5IHRvIGNvbmR1Y3QgZm9y bWFsIHZvdGluZyB3aXRoaW4gdGhlDQo+PmNvbW11bml0eSANCj4+IC0ob3V0c2lkZSBvZiBlbGVj dGlvbnMpLiBGb3JtYWwgdm90ZXMgYXJlIG5lY2Vzc2FyeSB3aGVuIHByb2Nlc3NlcyBhbmQNCj4+ IC1wcm9jZWR1cmVzIGFyZSBpbnRyb2R1Y2VkIG9yIGNoYW5nZWQsIG9yIGFzIHBhcnQgb2YgdGhl 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minor changes Thread-Index: AQHSRYQhqPro8oWIcEKTAMw2XQtN26DyJvEAgACumACAADDfgA== Date: Thu, 1 Dec 2016 12:47:41 +0000 Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: <614FBF4133E90448833FC8E08ECDF3F6@citrix.com> MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for 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required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 9.0.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10042 invoked from network); 1 Dec 2016 12:47:42 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Dec 2016 12:47:42 -0000 X-IronPort-AV: E=Sophos;i="5.33,282,1477958400"; d="scan'208";a="35979766" From: Lars Kurth To: Stefano Stabellini , Ian Jackson Thread-Topic: [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes Thread-Index: AQHSRYQhqPro8oWIcEKTAMw2XQtN26DyJvEAgACumACAADDfgA== Date: Thu, 1 Dec 2016 12:47:41 +0000 Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: <614FBF4133E90448833FC8E08ECDF3F6@citrix.com> MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDAxLzEyLzIwMTYgMDk6NTIsICJMYXJzIEt1cnRoIiA8bGFycy5rdXJ0aEBjaXRyaXgu Y29tPiB3cm90ZToNCg0KPk9uIDMwLzExLzIwMTYgMjM6MjcsICJTdGVmYW5vIFN0YWJlbGxpbmki 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E=Sophos;i="5.33,282,1477958400"; d="scan'208";a="392509989" From: Ian Jackson MIME-Version: 1.0 Message-ID: <22592.20442.56789.31703@mariner.uk.xensource.com> Date: Thu, 1 Dec 2016 16:29:14 +0000 To: Lars Kurth In-Reply-To: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> X-Mailer: VM 8.2.0b under 24.4.1 (i586-pc-linux-gnu) Cc: Stefano Stabellini , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" TGFycyBLdXJ0aCB3cml0ZXMgKCJSZTogW1BBVENIIHY1IDMvM10gU2lnbmlmaWNhbnQgY2hhbmdl cyB0byBkZWNpc2lvbiBtYWtpbmc7IHNvbWUgbmV3IHJvbGVzIGFuZCBtaW5vciBjaGFuZ2VzIik6 Cj4gTWF5YmUgSWFuIGhhcyBzb21lIHZpZXdzIG9uIHdoYXQgaXMgYmV0dGVyIGZyb20gYSB0aGVv cmV0aWNhbCB2aWV3cG9pbnQ6Cj4gVm90aW5nIG1lY2hhbmlzbXMgYXJlIGEgYml0IG9mIGEgaG9i Ynkgb2YgaGlzCgpUaGUgdW5kZXJseWluZyBwcm9ibGVtIGhlcmUgaXMgdGhhdCB0aGUgcmVhbGl0 eSBpcyB0aGF0IHRoZSBYZW4KUHJvamVjdCdzIGJ5LWZhciBtb3N0IGltcG9ydGFudCBzdWJwcm9q ZWN0IGlzIHRoZSBoeXBlcnZpc29yOyB0aGF0IGl0CnNlZW1zIHRoYXQgdGhlIGdvdmVybmFuY2Ug cHJvYmFibHkgb3VnaHQgdG8gcmVmbGVjdCB0aGF0OyBidXQgdGhhdCBpdAppcyBkaWZmaWN1bHQg dG8gZG8gdGhpcyB3aXRob3V0IHNwZWNpYWwgY2FzaW5nIGl0IG9yIHByb3ZpZGluZyBhbgpvYmpl Y3RpdmUgbWV0cmljIG9mIHRoZSBoeXBlcnZpc29yIHN1YnByb2plY3QncyBzaXplLgoKSSBkb24n dCB0aGluayBpdCBpcyBwb3NzaWJsZSB0byBzcXVhcmUgdGhpcyBjaXJjbGUuICBPdXIgb3B0aW9u cyBhcmU6CgoxLiBFeHBsaWNpdGx5IHJlY29nbmlzZSB0aGUgaHlwZXJ2aXNvciBzdWJwcm9qZWN0 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Date: Thu, 1 Dec 2016 16:29:14 +0000 To: Lars Kurth In-Reply-To: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> X-Mailer: VM 8.2.0b under 24.4.1 (i586-pc-linux-gnu) Cc: Stefano Stabellini , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" TGFycyBLdXJ0aCB3cml0ZXMgKCJSZTogW1BBVENIIHY1IDMvM10gU2lnbmlmaWNhbnQgY2hhbmdl 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b3Igd2hpY2ggdGVhbQo+IHRoZXkgdm90ZS4gVGhpcyBvcGVucyB1cCB0aGUgcG9zc2liaWxpdHkg b2YgdGFjdGljYWwgdm90aW5nLgoKVGhpcyBpcyBhIGJhZCBpZGVhIGZvciB0aGUgcmVhc29uIHlv dSBzYXkuICBJZiBzb21lb25lIGdldHMgdHdvIHZvdGVzCmluIHRoaXMgd2F5LCBzbyBiZSBpdC4K Cklhbi4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1p cmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0 Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5m by9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Thu Dec 01 17:35:56 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Dec 2016 17:35:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCVGq-0002rr-Lt; Thu, 01 Dec 2016 17:35:44 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCVGp-0002rk-2c 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mirageos-devel@lists.xenproject.org References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> From: Mindy Message-ID: <6cf65a68-2d31-a8fd-450d-75f4c52f1fd7@somerandomidiot.com> Date: Thu, 1 Dec 2016 11:35:38 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.0 MIME-Version: 1.0 In-Reply-To: <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" 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[209.85.213.41]) by smtp.gmail.com with ESMTPSA id s15sm306434vkb.25.2016.12.01.09.57.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 09:57:09 -0800 (PST) Received: by mail-vk0-f41.google.com with SMTP id p9so132717238vkd.3 for ; Thu, 01 Dec 2016 09:57:09 -0800 (PST) X-Received: by 10.31.199.135 with SMTP id x129mr14716412vkf.35.1480615029446; Thu, 01 Dec 2016 09:57:09 -0800 (PST) MIME-Version: 1.0 Received: by 10.31.65.135 with HTTP; Thu, 1 Dec 2016 09:57:08 -0800 (PST) In-Reply-To: References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> From: Richard Mortier Date: Thu, 1 Dec 2016 17:57:08 +0000 X-Gmail-Original-Message-ID: Message-ID: To: Hannes Mehnert Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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[209.85.213.41]) by smtp.gmail.com with ESMTPSA id s15sm306434vkb.25.2016.12.01.09.57.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 09:57:09 -0800 (PST) Received: by mail-vk0-f41.google.com with SMTP id p9so132717238vkd.3 for ; Thu, 01 Dec 2016 09:57:09 -0800 (PST) X-Received: by 10.31.199.135 with SMTP id x129mr14716412vkf.35.1480615029446; Thu, 01 Dec 2016 09:57:09 -0800 (PST) MIME-Version: 1.0 Received: by 10.31.65.135 with HTTP; Thu, 1 Dec 2016 09:57:08 -0800 (PST) In-Reply-To: References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> From: Richard Mortier Date: Thu, 1 Dec 2016 17:57:08 +0000 X-Gmail-Original-Message-ID: Message-ID: To: Hannes Mehnert Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMzAgTm92ZW1iZXIgMjAxNiBhdCAxODo0MywgSGFubmVzIE1laG5lcnQgPGhhbm5lc0BtZWhu ZXJ0Lm9yZz4gd3JvdGU6Cj4gY2MnZWQgbWlyYWdlb3MtZGV2ZWwgYWdhaW4KPgo+IE9uIDMwLzEx LzIwMTYgMTg6MzcsIFNlYW4gR3JvdmUgd3JvdGU6Cj4+IFRoYW5rcyBzbyBtdWNoIGZvciBnb2lu ZyBvdmVyIHRoaXMgd2l0aCBhIGZpbmUtdG9vdGhlZCBjb21iLCBJIGxvdmUgdGhlCj4+IGlkZWEg b2YgdGhlIHdob2xlIHByb2Nlc3MgYmVpbmcgc21vb3RoZXIuCj4KPgo+IEFuZCB5b3VyIGZlZWRi YWNrIGlzIGdyZWF0bHkgYXBwcmVjaWF0ZWQgc2luY2UgeW91J3JlIHdvcmtpbmcgd2l0aCBpdCA6 KQo+Cj4KPj4+IC0gbWlyYWdlIGRlc2NyaWJlIHNob3VsZCB3b3JrIHdpdGggYW5kIHdpdGhvdXQg YSBjb25maWd1cmVkIHVuaWtlcm5lbAo+Pj4gKC0tZXZhbCB2cyAtLW5vLWV2YWwpCj4+Cj4+IEkn bSBjb21pbmcgYXQgdGhpcyBmcm9tIGFuIGluZXhwZXJpZW5jZWQgb3V0c2lkZXIncyBwZXJzcGVj dGl2ZSwgc28gZmVlbAo+PiBmcmVlIHRvIGlnbm9yZSBteSBjb21tZW50cywgYnV0IEknbSBhIGJp dCBjb25jZXJuZWQgYWJvdXQgb3ZlcmxvYWRpbmcgZWFjaAo+PiBjb21tYW5kIHRvIGhhdmUgdHdv IG1vZGVzIHRoYXQgbWF5IG5vdCBiZSBvYnZpb3VzIHdoeSBpdCdzIGJlaGF2aW5nIG9uZSB3YXkK Pj4gcmF0aGVyIHRoYW4gdGhlIG90aGVyLiBGb3IgZ2l2aW5nIHN1cHBvcnQgdG8gb3RoZXIgcGVv cGxlLCBpdCdzIHF1aXRlIG5pY2UKPj4gdG8gYmUgYWJsZSB0byBzYXksICJydW4gdGhpcyAtIGl0 J2xsIHRocm93IGFuIGVycm9yIGlmIHlvdSd2ZSBkb25lIGl0Cj4+IHdyb25nLCBhbmQgdGhlbiB0 ZWxsIHlvdSB0byBydW4gYW4gYWx0ZXJuYXRpdmUgY29tbWFuZCIuCj4KPiBhZ3JlZWQuICBtaXJh Z2UgZGVzY3JpYmUgaXMgYXJvdW5kIG5vdyB3aXRoIHRob3NlIHR3byBtb2RlcywgSSBhZ3JlZSB3 ZQo+IHNob3VsZCBqdXN0IGRyb3AgdGhlIG5vbi1ldmFsIHBhcnQgYW5kIGVycm9yIHRvIHJ1biBt aXJhZ2UgY29uZmlndXJlCj4gKGFuZCBtaXJhZ2UgY29uZmlndXJlIHdpdGhvdXQgYXJndW1lbnRz IHNob3VsZCBJTUhPIGRlZmF1bHQgdG8gLXQgdW5peAo+IGFzIGl0IGlzIG5vdykuCgpBdCB0aGlz IHBvaW50LCBJIGRpc2FncmVlIHdpdGggYm90aCBvZiB0aG9zZS4KCkluIGdlbmVyYWwgaXQgc2Vl bXMgdG8gbWUgdGhhdCB3ZSd2ZSBiZWVuIHRyeWluZyB0byBtb3ZlIHRvIGEgbW9kZWwKd2hlcmUg d2UgYXJlIG1vcmUgcmF0aGVyIHRoYW4gbGVzcyBleHBsaWNpdCBhYm91dCBjb25maWd1cmF0aW9u czsKaGF2aW5nIGEgZGVmYXVsdCBgLXRgIHZhbHVlIHNlZW1zIGEgcmV0cm9ncmFkZSBzdGVwLiAo SSdkIGFjdHVhbGx5CnByZWZlciB0byBzZWUgbWlyYWdlIGdldCBtb3JlIGRlbWFuZGluZyBhYm91 dCBzcGVjaWZ5aW5nIHRoaW5ncywKcG9zc2libHkgd2l0aCBjb25zdHJhaW50cyBhbW9uZyBvcHRp b25zIGFibGUgdG8gYmUgZXhwcmVzc2VkIC0tIGVnLiwKaWYgeW91IHNwZWNpZnkgSVAgYWRkcmVz cywgdGhlbiB5b3UgY2FuJ3Qgc3BlY2lmeSBESENQIGJ1dCB5b3UgbXVzdApzcGVjaWZ5IG5ldG1h c2sgLS0gIGJ1dCB0aGF0IG1heSByZXF1aXJlIGV4dHJhIEZ1bmN0b3JpYSBzdXBwb3J0LikKCkRy b3BwaW5nIHRoZSBub24tZXZhbCBwYXJ0IG9mIGRlc2NyaWJlIG1lYW5zIHJlbW92aW5nIGEgdXNl ZnVsIGZlYXR1cmUKb2YgYG1pcmFnZSBkZXNjcmliZSAtLWRvdGAgSU1PLCB3aGVyZSBhbGwgdGhl IHBvc3NpYmxlIGRlcGVuZGVuY2llcwpjYW4gYmUgZGlzcGxheWVkLiBXaHkgZG8gdGhhdD8KCj4g bWlyYWdlIGRlc2NyaWJlIHdpdGhvdXQgLS1ldmFsIGxvb2tzIHRvIG1lIHZlcnkgc2ltaWxhciB0 byBtaXJhZ2UgaGVscCwKCkknbSBub3cgd29uZGVyaW5nOiB3aGF0IHdhcyB0aGUgcmF0aW9uYWxl IGZvciBoYXZpbmcgYG1pcmFnZSBkZXNjcmliZWAKdnMgYG1pcmFnZSBoZWxwYCBhdCBhbGw/Ck1h eWJlIGl0IHdvdWxkIGJlIGJldHRlciB0byBpbmNvcnBvcmF0ZSB0aGUgdHR5LW91dHB1dCBvcHRp b25zIG9mCmBkZXNjcmliZWAgaW50byB0aGUgYGhlbHBgIG91dHB1dCwgYW5kIGhhdmUgYG1pcmFn ZSBkZXNjcmliZWAgb25seQpwcm9kdWNlIHRoZSBgLS1kb3RgIG91dHB1dCB1c2luZyB0aGUgY2Fj aGVkIHJlc3VsdCBvZiBgbWlyYWdlCmNvbmZpZ3VyZWAgaWYgYXZhaWxhYmxlLCBvciBub3QgaWYg bm90PwoKLS0gClJpY2hhcmQgTW9ydGllcgpyaWNoYXJkLm1vcnRpZXJAY2wuY2FtLmFjLnVrCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1k ZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0 cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdl b3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Dec 01 18:11:07 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Dec 2016 18:11:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCVp1-0005k9-Ql; 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 25104 invoked from network); 1 Dec 2016 18:11:01 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-3.tower-27.messagelabs.com with AES256-SHA encrypted SMTP; 1 Dec 2016 18:11:01 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=subject:to:references:cc:from:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=JvfPKfcPqENT7HJ2XaR8wh2OaULrGMk9bj27QOMaKXWWib9JSP7wNUN1IZqfQRgdHLzcpIMef9lX 58dBJa4PSxR5ciQA5zFyajXrijmy2KA7lweF1JDpNnqQpQxMT7Yn Received: from [192.168.1.8] (did75-8-82-228-42-129.fbx.proxad.net [82.228.42.129]) by mx.zohomail.com with SMTPS id 1480615857840572.9264849855952; Thu, 1 Dec 2016 10:10:57 -0800 (PST) To: Richard Mortier , Hannes Mehnert References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> From: Drup Message-ID: <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> Date: Thu, 1 Dec 2016 19:10:55 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.0 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" Cj4gSSdtIG5vdyB3b25kZXJpbmc6IHdoYXQgd2FzIHRoZSByYXRpb25hbGUgZm9yIGhhdmluZyBg bWlyYWdlIGRlc2NyaWJlYAo+IHZzIGBtaXJhZ2UgaGVscGAgYXQgYWxsPwo+IE1heWJlIGl0IHdv dWxkIGJlIGJldHRlciB0byBpbmNvcnBvcmF0ZSB0aGUgdHR5LW91dHB1dCBvcHRpb25zIG9mCj4g YGRlc2NyaWJlYCBpbnRvIHRoZSBgaGVscGAgb3V0cHV0LCBhbmQgaGF2ZSBgbWlyYWdlIGRlc2Ny aWJlYCBvbmx5Cj4gcHJvZHVjZSB0aGUgYC0tZG90YCBvdXRwdXQgdXNpbmcgdGhlIGNhY2hlZCBy ZXN1bHQgb2YgYG1pcmFnZQo+IGNvbmZpZ3VyZWAgaWYgYXZhaWxhYmxlLCBvciBub3QgaWYgbm90 PwoKIm1pcmFnZSBoZWxwIiBkZXNjcmliZXMgdGhlIHRvb2wuIEluIHBhcnRpY3VsYXIsIGl0IHdv cmtzIHdpdGhvdXQgYSAKY29uZmlnIGZpbGUuCgoibWlyYWdlIGRlc2NyaWJlIiBkZXNjcmliZXMg dGhlIHVuaWtlcm5lbC4gSXQgb25seSB3b3JrcyB3aXRoIGEgY29uZmlnIGZpbGUuCgpXZSBtdXN0 IGJlIGNhcmVmdWwgYWJvdXQgZXJyb3IgbW9kZXMgd2l0aG91dC93aXRob3V0IGEgY29uZmlnIGZp bGU6IHRoZXkgCmFyZSBhbHJlYWR5IHF1aXRlIGEgbmlnaHRtYXJlIGN1cnJlbnRseSwgYW5kIEkn bSBhIGJpdCB3YXJ5IG9mIG1lcmdpbmcgCnRoZXNlIHR3byBjb21tYW5kcywgYXMgaXQnbGwgb25s eSBtYWtlIHRoaW5ncyB3b3JzZS4KCgpNYWtpbmcgLS1ldmFsIHdoZW4gdGhlIHVuaWtlcm5lbCBo YXMgYWxyZWFkeSBiZWVuIGNvbmZpZ3VyZWQgc291bmRzIGZpbmUgCnRvIG1lLCBhcyBsb25nIGFz IHdlIGdldCB0aGUgb3Bwb3NpdGUgb3B0aW9uLiA6KQoKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWly YWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Dec 01 18:11:07 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Dec 2016 18:11:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCVp1-0005k9-Ql; 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 25104 invoked from network); 1 Dec 2016 18:11:01 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-3.tower-27.messagelabs.com with AES256-SHA encrypted SMTP; 1 Dec 2016 18:11:01 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=subject:to:references:cc:from:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=JvfPKfcPqENT7HJ2XaR8wh2OaULrGMk9bj27QOMaKXWWib9JSP7wNUN1IZqfQRgdHLzcpIMef9lX 58dBJa4PSxR5ciQA5zFyajXrijmy2KA7lweF1JDpNnqQpQxMT7Yn Received: from [192.168.1.8] (did75-8-82-228-42-129.fbx.proxad.net [82.228.42.129]) by mx.zohomail.com with SMTPS id 1480615857840572.9264849855952; Thu, 1 Dec 2016 10:10:57 -0800 (PST) To: Richard Mortier , Hannes Mehnert References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> From: Drup Message-ID: <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> Date: Thu, 1 Dec 2016 19:10:55 +0100 User-Agent: Mozilla/5.0 (X11; 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[209.85.217.176]) by smtp.gmail.com with ESMTPSA id f195sm319062vke.24.2016.12.01.10.13.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 10:13:23 -0800 (PST) Received: by mail-ua0-f176.google.com with SMTP id b35so255976891uaa.3 for ; Thu, 01 Dec 2016 10:13:23 -0800 (PST) X-Received: by 10.176.2.247 with SMTP id 110mr30775622uah.162.1480616003227; Thu, 01 Dec 2016 10:13:23 -0800 (PST) MIME-Version: 1.0 Received: by 10.31.65.135 with HTTP; Thu, 1 Dec 2016 10:13:22 -0800 (PST) In-Reply-To: <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> From: Richard Mortier Date: Thu, 1 Dec 2016 18:13:22 +0000 X-Gmail-Original-Message-ID: Message-ID: To: Drup Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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"mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMSBEZWNlbWJlciAyMDE2IGF0IDE4OjEwLCBEcnVwIDxkcnVweW9nK2NhbWxAem9oby5jb20+ IHdyb3RlOgo+Cj4+IEknbSBub3cgd29uZGVyaW5nOiB3aGF0IHdhcyB0aGUgcmF0aW9uYWxlIGZv ciBoYXZpbmcgYG1pcmFnZSBkZXNjcmliZWAKPj4gdnMgYG1pcmFnZSBoZWxwYCBhdCBhbGw/Cj4+ IE1heWJlIGl0IHdvdWxkIGJlIGJldHRlciB0byBpbmNvcnBvcmF0ZSB0aGUgdHR5LW91dHB1dCBv cHRpb25zIG9mCj4+IGBkZXNjcmliZWAgaW50byB0aGUgYGhlbHBgIG91dHB1dCwgYW5kIGhhdmUg YG1pcmFnZSBkZXNjcmliZWAgb25seQo+PiBwcm9kdWNlIHRoZSBgLS1kb3RgIG91dHB1dCB1c2lu ZyB0aGUgY2FjaGVkIHJlc3VsdCBvZiBgbWlyYWdlCj4+IGNvbmZpZ3VyZWAgaWYgYXZhaWxhYmxl 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dC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Thu Dec 01 22:36:23 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Dec 2016 22:36:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCZxb-0005kP-Rv; Thu, 01 Dec 2016 22:36:11 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCZxa-0005k9-Sc; Thu, 01 Dec 2016 22:36:10 +0000 Received: from [85.158.139.211] by server-11.bemta-5.messagelabs.com id 4B/30-09407-9D5A0485; Thu, 01 Dec 2016 22:36:09 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMIsWRWlGSWpSXmKPExsVybKJsh+6NpQ4 RBkuP2Vj0tt5lsfizONHiy/IGRovvWyYzObB4HP5whSWAMYo1My8pvyKBNePcpOKC7xIVC+d3 sDUwbhHpYuTiEBKYyijx9OY9VghnNpPE/PtnGLsYOTlYBLQkViyczgZiswkYSvx9sgnI5uCQA 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requested) by mail.kernel.org (Postfix) with ESMTPSA id B246A2038A; Thu, 1 Dec 2016 22:36:04 +0000 (UTC) Date: Thu, 1 Dec 2016 14:36:03 -0800 (PST) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-X260 To: Ian Jackson In-Reply-To: <22592.20442.56789.31703@mariner.uk.xensource.com> Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Cc: Lars Kurth , Stefano Stabellini , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gVGh1LCAxIERlYyAyMDE2LCBJYW4gSmFja3NvbiB3cm90ZToKPiBMYXJzIEt1cnRoIHdyaXRl cyAoIlJlOiBbUEFUQ0ggdjUgMy8zXSBTaWduaWZpY2FudCBjaGFuZ2VzIHRvIGRlY2lzaW9uIG1h a2luZzsgc29tZSBuZXcgcm9sZXMgYW5kIG1pbm9yIGNoYW5nZXMiKToKPiA+IE1heWJlIElhbiBo YXMgc29tZSB2aWV3cyBvbiB3aGF0IGlzIGJldHRlciBmcm9tIGEgdGhlb3JldGljYWwgdmlld3Bv aW50Ogo+ID4gVm90aW5nIG1lY2hhbmlzbXMgYXJlIGEgYml0IG9mIGEgaG9iYnkgb2YgaGlzCj4g Cj4gVGhlIHVuZGVybHlpbmcgcHJvYmxlbSBoZXJlIGlzIHRoYXQgdGhlIHJlYWxpdHkgaXMgdGhh dCB0aGUgWGVuCj4gUHJvamVjdCdzIGJ5LWZhciBtb3N0IGltcG9ydGFudCBzdWJwcm9qZWN0IGlz 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ZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Thu Dec 01 23:00:21 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Dec 2016 23:00:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCaKt-0007V4-Vg; Thu, 01 Dec 2016 23:00:15 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cCaKt-0007Uo-Ld; Thu, 01 Dec 2016 23:00:15 +0000 Received: from [85.158.139.211] by server-13.bemta-5.messagelabs.com id B2/DA-30393-D7BA0485; Thu, 01 Dec 2016 23:00:13 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPKsWRWlGSWpSXmKPExsWyU9JRQrd2tUO Ewd5dYha9rXdZLP4sTrT4sryB0eL7lslMDiwehz9cYQlgjGLNzEvKr0hgzXi+2Ljgt3rF7eYW xgbGHepdjJwcEgJ+Eqv2tDCC2GwCGhLHHjYzdzFycIgIhEm8Wq7QxcjFwSxwnUniypRXrCA1w gKpEnc+3QGzRQTSJH5/3Q1lh0lM6v8PNodFQEXi2qflLCA2r4CRROe0XmYQW0igkVli4co6kP 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(qmail 12428 invoked from network); 1 Dec 2016 23:00:10 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 1 Dec 2016 23:00:10 -0000 X-IronPort-AV: E=Sophos;i="5.33,284,1477958400"; d="scan'208";a="36029452" From: Lars Kurth To: Stefano Stabellini , Ian Jackson Thread-Topic: [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes Thread-Index: AQHSRYQhqPro8oWIcEKTAMw2XQtN26DyJvEAgACumACAADDfgIAAPecAgABmfYCAAAa7gA== Date: Thu, 1 Dec 2016 23:00:10 +0000 Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: <0410402D231F774FB60F9F00814B1224@citrix.com> MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDAxLzEyLzIwMTYgMjI6MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGlu aUBrZXJuZWwub3JnPiB3cm90ZToNCg0KPk9uIFRodSwgMSBEZWMgMjAxNiwgSWFuIEphY2tzb24g d3JvdGU6DQo+PiBMYXJzIEt1cnRoIHdyaXRlcyAoIlJlOiBbUEFUQ0ggdjUgMy8zXSBTaWduaWZp 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required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 9.0.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12428 invoked from network); 1 Dec 2016 23:00:10 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 1 Dec 2016 23:00:10 -0000 X-IronPort-AV: E=Sophos;i="5.33,284,1477958400"; d="scan'208";a="36029452" From: Lars Kurth To: Stefano Stabellini , Ian Jackson Thread-Topic: [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes Thread-Index: AQHSRYQhqPro8oWIcEKTAMw2XQtN26DyJvEAgACumACAADDfgIAAPecAgABmfYCAAAa7gA== Date: Thu, 1 Dec 2016 23:00:10 +0000 Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: <0410402D231F774FB60F9F00814B1224@citrix.com> MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDAxLzEyLzIwMTYgMjI6MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGlu 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"xen-devel@lists.xenproject.org" , Ian Jackson , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gVGh1LCAxIERlYyAyMDE2LCBMYXJzIEt1cnRoIHdyb3RlOgo+IE9uIDAxLzEyLzIwMTYgMjI6 MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPiB3cm90ZToK PiAKPiA+T24gVGh1LCAxIERlYyAyMDE2LCBJYW4gSmFja3NvbiB3cm90ZToKPiA+PiBMYXJzIEt1 cnRoIHdyaXRlcyAoIlJlOiBbUEFUQ0ggdjUgMy8zXSBTaWduaWZpY2FudCBjaGFuZ2VzIHRvIGRl Y2lzaW9uCj4gPj5tYWtpbmc7IHNvbWUgbmV3IHJvbGVzIGFuZCBtaW5vciBjaGFuZ2VzIik6Cj4g 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nodbug.lucina.net (Postfix, from userid 1000) id AB2FB4C0E60; Fri, 2 Dec 2016 13:31:54 +0100 (CET) Date: Fri, 2 Dec 2016 13:31:54 +0100 From: Martin Lucina To: mirageos-devel@lists.xenproject.org Message-ID: <20161202123154.GA27118@nodbug.lucina.net> Mail-Followup-To: mirageos-devel@lists.xenproject.org References: <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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inline In-Reply-To: <0623738f-304e-df45-f538-68eb20a3a827@zoho.com> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gVGh1cnNkYXksIDAxLjEyLjIwMTYgYXTCoDE5OjEwLCBEcnVwIHdyb3RlOgo+IAo+ID5JJ20g bm93IHdvbmRlcmluZzogd2hhdCB3YXMgdGhlIHJhdGlvbmFsZSBmb3IgaGF2aW5nIGBtaXJhZ2Ug ZGVzY3JpYmVgCj4gPnZzIGBtaXJhZ2UgaGVscGAgYXQgYWxsPwo+ID5NYXliZSBpdCB3b3VsZCBi ZSBiZXR0ZXIgdG8gaW5jb3Jwb3JhdGUgdGhlIHR0eS1vdXRwdXQgb3B0aW9ucyBvZgo+ID5gZGVz Y3JpYmVgIGludG8gdGhlIGBoZWxwYCBvdXRwdXQsIGFuZCBoYXZlIGBtaXJhZ2UgZGVzY3JpYmVg IG9ubHkKPiA+cHJvZHVjZSB0aGUgYC0tZG90YCBvdXRwdXQgdXNpbmcgdGhlIGNhY2hlZCByZXN1 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<20161202123845.GB27118@nodbug.lucina.net> Mail-Followup-To: mirageos-devel@lists.xenproject.org References: <20161130110903.GA15530@nodbug.lucina.net> <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" 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<695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gVGh1cnNkYXksIDAxLjEyLjIwMTYgYXTCoDA5OjE5LCBUaG9tYXMgR2F6YWduYWlyZSB3cm90 ZToKPiA+IC0gbWlyYWdlIGNvbmZpZ3VyZSA8b3B0aW9ucz4gc2hvdWxkIHJlY29tcGlsZSB0aGUg Y29uZmlndXJhdGlvbgo+ID4gYWNjb3JkaW5nIHRvIDxvcHRpb25zPgo+ID4gLSBtaXJhZ2UgYnVp bGQgc2hvdWxkIGJ1aWxkLCBhbmQgZXJyb3Igb3V0IGlmIHRoZSB1bmlrZXJuZWwgd2FzIG5vdAo+ ID4gY29uZmlndXJlZCB1cGZyb250Cj4gCj4gSG93IGRvIHlvdSB3b3JrIHdpdGggbXVsdGlwbGUg dGFyZ2V0L2NvbmZpZyBpbiBwYXJhbGxlbCB3aXRoIHRoaXMgd29ya2Zsb3c/IERvIHlvdSBuZWVk 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(CET) Date: Fri, 2 Dec 2016 14:00:14 +0100 From: Martin Lucina To: mirageos-devel@lists.xenproject.org Message-ID: <20161202130014.GC27118@nodbug.lucina.net> Mail-Followup-To: mirageos-devel@lists.xenproject.org References: <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> <20161202123845.GB27118@nodbug.lucina.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" 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-0000 Received: from nodbug.lucina.net (chello089173222227.chello.sk [89.173.222.227]) by smtp.lucina.net (Postfix) with ESMTPSA id 4314B122801 for ; Fri, 2 Dec 2016 14:00:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lucina.net; s=dkim-201309; t=1480683615; bh=UhYdRSWSPyQisyJGDffduMN77qUfNdZ/9ymOR+x1kD0=; h=Date:From:To:Subject:References:In-Reply-To:From; b=rbo/9XIU24wx+ahpMvM4OhOL3v1bWwjgJma7lVXo45Tva6jRtSFHYU51JR5qBMPwA r86fFNFKmLa4jO+v8tL4+EBxGu9I6rol5CEFCa8loUlDEPERZI/6XA7Qw68akoVBMz iKC5ttb3x5RpKBxqh/KsmO5SvOewFbm+sh1zokQJ5ZzP+sFA3HeBWwQAdn6YAAg08M 2PDOtq67RlEX4E7+8+vqUybPGgzbY/irx3qwBn6Or2MbpkQGV1aQDWWCEmqe6jRiOU seIoA5KqXxEl2T+1FB9J3/0TmD0K5bOGaGYfpReXN4cK7A8FZ4sK6UFaQbs670ZCbi afbiod8g1JEvQ== Received: by nodbug.lucina.net (Postfix, from userid 1000) id EB49F4C0E60; Fri, 2 Dec 2016 14:00:14 +0100 (CET) Date: Fri, 2 Dec 2016 14:00:14 +0100 From: Martin Lucina To: mirageos-devel@lists.xenproject.org Message-ID: <20161202130014.GC27118@nodbug.lucina.net> Mail-Followup-To: mirageos-devel@lists.xenproject.org References: <20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> <20161202123845.GB27118@nodbug.lucina.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gRnJpZGF5LCAwMi4xMi4yMDE2IGF0wqAxMzo1MCwgRHJ1cCB3cm90ZToKPiA+PkkgYW0gZ2Vu ZXJhbGx5IG9rIHdpdGggdGhhdCB3b3JrZmxvdyB3aGljaCBpbXByb3ZlcyB0aGUgY3VycmVudCBv 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<20161130113229.GB15530@nodbug.lucina.net> <20161130114442.GC15530@nodbug.lucina.net> <20161130124746.GD15530@nodbug.lucina.net> <560fe9a9-debb-69ab-ed6d-a48b4f66b413@mehnert.org> <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> To: mirageos-devel@lists.xenproject.org From: Hannes Mehnert Message-ID: <62b34a2f-d819-1913-f738-9ef62a5d896e@mehnert.org> Date: Fri, 2 Dec 2016 13:56:19 +0000 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <695AF650-547C-4D9D-93C2-B2A2609A4903@gazagnaire.org> Subject: Re: [MirageOS-devel] build workflow X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" 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Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.5.141003 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: MIME-Version: 1.0 Cc: "xen-devel@lists.xenproject.org" , "win-pv-devel@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDAxLzEyLzIwMTYgMjI6MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGlu 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"committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" DQoNCk9uIDAxLzEyLzIwMTYgMjI6MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGlu aUBrZXJuZWwub3JnPiB3cm90ZToNCg0KPk9uIFRodSwgMSBEZWMgMjAxNiwgSWFuIEphY2tzb24g d3JvdGU6DQo+PiBMYXJzIEt1cnRoIHdyaXRlcyAoIlJlOiBbUEFUQ0ggdjUgMy8zXSBTaWduaWZp Y2FudCBjaGFuZ2VzIHRvIGRlY2lzaW9uDQo+Pm1ha2luZzsgc29tZSBuZXcgcm9sZXMgYW5kIG1p bm9yIGNoYW5nZXMiKToNCj4+ID4gTWF5YmUgSWFuIGhhcyBzb21lIHZpZXdzIG9uIHdoYXQgaXMg 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2016 19:06:44 +0000 (UTC) Date: Fri, 2 Dec 2016 11:06:43 -0800 (PST) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-X260 To: Lars Kurth In-Reply-To: Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Cc: Stefano Stabellini , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , Ian Jackson , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gRnJpLCAyIERlYyAyMDE2LCBMYXJzIEt1cnRoIHdyb3RlOgo+IE9uIDAxLzEyLzIwMTYgMjI6 MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPiB3cm90ZToK PiAKPiA+T24gVGh1LCAxIERlYyAyMDE2LCBJYW4gSmFja3NvbiB3cm90ZToKPiA+PiBMYXJzIEt1 cnRoIHdyaXRlcyAoIlJlOiBbUEFUQ0ggdjUgMy8zXSBTaWduaWZpY2FudCBjaGFuZ2VzIHRvIGRl Y2lzaW9uCj4gPj5tYWtpbmc7IHNvbWUgbmV3IHJvbGVzIGFuZCBtaW5vciBjaGFuZ2VzIik6Cj4g Pj4gPiBNYXliZSBJYW4gaGFzIHNvbWUgdmlld3Mgb24gd2hhdCBpcyBiZXR0ZXIgZnJvbSBhIHRo ZW9yZXRpY2FsCj4gPj52aWV3cG9pbnQ6Cj4gPj4gPiBWb3RpbmcgbWVjaGFuaXNtcyBhcmUgYSBi aXQgb2YgYSBob2JieSBvZiBoaXMKPiA+PiAKPiA+PiBUaGUgdW5kZXJseWluZyBwcm9ibGVtIGhl 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2016 19:06:44 +0000 (UTC) Date: Fri, 2 Dec 2016 11:06:43 -0800 (PST) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-X260 To: Lars Kurth In-Reply-To: Message-ID: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Cc: Stefano Stabellini , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , Ian Jackson , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gRnJpLCAyIERlYyAyMDE2LCBMYXJzIEt1cnRoIHdyb3RlOgo+IE9uIDAxLzEyLzIwMTYgMjI6 MzYsICJTdGVmYW5vIFN0YWJlbGxpbmkiIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPiB3cm90ZToK PiAKPiA+T24gVGh1LCAxIERlYyAyMDE2LCBJYW4gSmFja3NvbiB3cm90ZToKPiA+PiBMYXJzIEt1 cnRoIHdyaXRlcyAoIlJlOiBbUEFUQ0ggdjUgMy8zXSBTaWduaWZpY2FudCBjaGFuZ2VzIHRvIGRl Y2lzaW9uCj4gPj5tYWtpbmc7IHNvbWUgbmV3IHJvbGVzIGFuZCBtaW5vciBjaGFuZ2VzIik6Cj4g Pj4gPiBNYXliZSBJYW4gaGFzIHNvbWUgdmlld3Mgb24gd2hhdCBpcyBiZXR0ZXIgZnJvbSBhIHRo ZW9yZXRpY2FsCj4gPj52aWV3cG9pbnQ6Cj4gPj4gPiBWb3RpbmcgbWVjaGFuaXNtcyBhcmUgYSBi aXQgb2YgYSBob2JieSBvZiBoaXMKPiA+PiAKPiA+PiBUaGUgdW5kZXJseWluZyBwcm9ibGVtIGhl 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X-Gm-Message-State: AKaTC01HCI1p/12ZPXK3U/oBm5CX0mY2OvgYmYAWvtTV5FeKeOyW+Dqh5RuBwFB/FubTFXuEy3svKwHBeXzJUQ== X-Received: by 10.202.215.85 with SMTP id o82mr23019570oig.145.1480769413176; Sat, 03 Dec 2016 04:50:13 -0800 (PST) MIME-Version: 1.0 Received: by 10.182.80.136 with HTTP; Sat, 3 Dec 2016 04:50:12 -0800 (PST) In-Reply-To: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> From: Hussain Fazul Date: Sat, 3 Dec 2016 15:50:12 +0300 Message-ID: To: Stefano Stabellini Cc: Lars Kurth , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , Ian Jackson , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6498854901922673248==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============6498854901922673248== Content-Type: multipart/alternative; boundary=001a113d3d14dde4260542c07e56 --001a113d3d14dde4260542c07e56 Content-Type: text/plain; charset=UTF-8 Hello everybody! I am Hussain, act as student. I would like to ask few questions about Mirage Unikernel. In fact I built Unikernel on Mirage because I have a project about ti. 1- How can I test booting speed of Unikernel. 2- After how many pings Unikernel is crash down. My Regards On Fri, Dec 2, 2016 at 10:06 PM, Stefano Stabellini wrote: > On Fri, 2 Dec 2016, Lars Kurth wrote: > > On 01/12/2016 22:36, "Stefano Stabellini" > wrote: > > > > >On Thu, 1 Dec 2016, Ian Jackson wrote: > > >> Lars Kurth writes ("Re: [PATCH v5 3/3] Significant changes to decision > > >>making; some new roles and minor changes"): > > >> > Maybe Ian has some views on what is better from a theoretical > > >>viewpoint: > > >> > Voting mechanisms are a bit of a hobby of his > > >> > > >> The underlying problem here is that the reality is that the Xen > > >> Project's by-far most important subproject is the hypervisor; that it > > >> seems that the governance probably ought to reflect that; but that it > > >> is difficult to do this without special casing it or providing an > > >> objective metric of the hypervisor subproject's size. > > >> > > >> I don't think it is possible to square this circle. Our options are: > > >> > > >> 1. Explicitly recognise the hypervisor subproject as special. > > >> (This could be done by creating a new `superproject' maturity > > >> category, or simply by naming it explicitly.) > > >> > > >> 2. Do some kind of bodge which tries to reduce the impact of the > > >> potential unknown management practices of other subprojects > > >> (particularly, that they might appoint lots of leaders). > > >> > > >> 3. Restructure the hypervisor sub-project. > > >> > > >> The current proposal is (2) and has the virtue of not incentivising a > > >> subproject to appoint lots of leaders simply to get more votes > > >> overall. But it is still rather weak because it has to treat the > > >> hypervisor subproject as only one amongst many, so hypervisor leaders > > >> are under-powered and fringe leaders over-powered. > > >> > > >> Another way to deal with this would be to split the hypervisor > > >> subproject (3, above). For example, we could create subprojects for > > >> some subset of minios, osstest, xtf, various out-of-tree tools,... > > >> (many of which would have only one leadership team member). > > >> > > >> That would mean that the hypervisor-focused maintainers would get > > >> additional votes via their other "hats". (They would still get a vote > > >> in the hypervisor subproject, if they have a hypervisor leadership > > >> position too.) > > >> > > >> This is perhaps less unnatural. It still leaves fringe leaders > > >> somewhat over-powered: this time, leaders of more-hypervisor-related > > >> (or some such) fringe things, rather than leaders of > > >> less-hypervisor-related fringe things. > > > > > >Istinctively, I don't like the idea of splitting up the hypervisor > > >project in multiple projects. > > > > We could split out the following git repos: mini-os, osstest, raisin, > > livepatch-build-tools, xtf > > In terms of contributions per release, there is more activity than > Windows > > PV Drivers, which are a separate project. > > I see what you meant now. That could be OK. > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Hussain Fazul Trainee - Network ID:031 Technical Trainer College - Riyadh www.ttcollege.adu.sa M:00966567506089 E: hussainne031@gmail.com --001a113d3d14dde4260542c07e56 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello everybody!

I am Hus= sain, act as student.

I would like to ask few quest= ions about Mirage Unikernel. In fact I built Unikernel on Mirage because I = have a project about ti.

1- How can I test booting speed = of Unikernel.

2- After how many pings Unikernel is= crash down.

My Regards=C2=A0

=C2=A0

On Fri, Dec 2,= 2016 at 10:06 PM, Stefano Stabellini <sstabellini@kernel.org>= wrote:
On Fri, 2 Dec 2016, Lars Kurth wrote:
> On 01/12/2016 22:36, "Stefano Stabellini" <sstabellini@kernel.org> wrote:
>
> >On Thu, 1 Dec 2016, Ian Jackson wrote:
> >> Lars Kurth writes ("Re: [PATCH v5 3/3] Significant chang= es to decision
> >>making; some new roles and minor changes"):
> >> > Maybe Ian has some views on what is better from a theore= tical
> >>viewpoint:
> >> > Voting mechanisms are a bit of a hobby of his
> >>
> >> The underlying problem here is that the reality is that the X= en
> >> Project's by-far most important subproject is the hypervi= sor; that it
> >> seems that the governance probably ought to reflect that; but= that it
> >> is difficult to do this without special casing it or providin= g an
> >> objective metric of the hypervisor subproject's size.
> >>
> >> I don't think it is possible to square this circle.=C2=A0= Our options are:
> >>
> >> 1. Explicitly recognise the hypervisor subproject as special.=
> >>=C2=A0 =C2=A0 (This could be done by creating a new `superproj= ect' maturity
> >>=C2=A0 =C2=A0 category, or simply by naming it explicitly.) > >>
> >> 2. Do some kind of bodge which tries to reduce the impact of = the
> >>=C2=A0 =C2=A0 potential unknown management practices of other = subprojects
> >>=C2=A0 =C2=A0 (particularly, that they might appoint lots of l= eaders).
> >>
> >> 3. Restructure the hypervisor sub-project.
> >>
> >> The current proposal is (2) and has the virtue of not incenti= vising a
> >> subproject to appoint lots of leaders simply to get more vote= s
> >> overall.=C2=A0 But it is still rather weak because it has to = treat the
> >> hypervisor subproject as only one amongst many, so hypervisor= leaders
> >> are under-powered and fringe leaders over-powered.
> >>
> >> Another way to deal with this would be to split the hyperviso= r
> >> subproject (3, above).=C2=A0 For example, we could create sub= projects for
> >> some subset of minios, osstest, xtf, various out-of-tree tool= s,...
> >> (many of which would have only one leadership team member). > >>
> >> That would mean that the hypervisor-focused maintainers would= get
> >> additional votes via their other "hats".=C2=A0 (The= y would still get a vote
> >> in the hypervisor subproject, if they have a hypervisor leade= rship
> >> position too.)
> >>
> >> This is perhaps less unnatural.=C2=A0 It still leaves fringe = leaders
> >> somewhat over-powered: this time, leaders of more-hypervisor-= related
> >> (or some such) fringe things, rather than leaders of
> >> less-hypervisor-related fringe things.
> >
> >Istinctively, I don't like the idea of splitting up the hyperv= isor
> >project in multiple projects.
>
> We could split out the following git repos: mini-os, osstest, raisin,<= br> > livepatch-build-tools, xtf
> In terms of contributions per release, there is more activity than Win= dows
> PV Drivers, which are a separate project.

I see what you meant now. That could be OK.

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel



--
=C2=A0=C2=A0
=
Hussain Fazul
Trainee - Network=C2=A0
ID:031
Technical Trainer College - Riyadh=C2=A0
M:00966567506089
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banners=-,-,- X-VirusChecked: Checked Received: (qmail 12786 invoked from network); 3 Dec 2016 12:50:14 -0000 Received: from mail-oi0-f65.google.com (HELO mail-oi0-f65.google.com) (209.85.218.65) by server-15.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 3 Dec 2016 12:50:14 -0000 Received: by mail-oi0-f65.google.com with SMTP id u15so30906198oie.3; Sat, 03 Dec 2016 04:50:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=geP8e/RlMd8ED+nezNZyRq0RAI7hKfQ9Vu20rOXait0=; b=kWRo9WK7u94mdjri2TXC3b1cS5fIWli6kIRRCfHhtvNLDdytO/onGbM41kZXl6lvV3 fZmGT/L8ObXRybPBoAhVdPpgyGm/PTe3dUcUnw758jiwnskKri7gBxPAOexnRyBR8v5E Ps3oCUPXU04VlDtfNETRwW1YnD6sOSrI82Sc7aGIHSjDM+6CHGimtb4HAawyPvL08elD wcRQo/2dbLlxoZlQLa1lFYU7kCpND5rgbX3r7nHFv/YgLTRQ0+enHIAC8sCkmLOyeVUA tKLdFWo8ordSo0Q/coXZzeC13AoqLqpWQIFAHbEKfuZvcvKtor7Wx+3e4uW3/07nRJKT laWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=geP8e/RlMd8ED+nezNZyRq0RAI7hKfQ9Vu20rOXait0=; b=Sebcl5ByOqhU9kjL9GM459M3IT70HYbzyv8M0rgLsiGRwLw9iDtaPa7lSC30vqLeeB BL8BXP4t2VfsLHg8F8Z2NCOSIMHESzVW8Ua9yB0j2sGfme/ejbS06DcM+dAwnKSo8PYI ARR6k9H7Un4GxYcNLJW53Qi9nQYF6dKO7BVdtWahTl17TXTC18PNhUQc0vuQMhQjUtEB 5W4OLNpKRW5koXjuNBYrX5WURVCyB6mjvUmbL2FJ+rdEfoLOOYy8gPRmvOC6L/Bpkccq C9oVkjyn9er+E6mhLOmJoyvSMZS4szwQbsfE+G8qVgnuugohgP2db0eVo7B75EzPfNCM YZNA== X-Gm-Message-State: AKaTC01HCI1p/12ZPXK3U/oBm5CX0mY2OvgYmYAWvtTV5FeKeOyW+Dqh5RuBwFB/FubTFXuEy3svKwHBeXzJUQ== X-Received: by 10.202.215.85 with SMTP id o82mr23019570oig.145.1480769413176; Sat, 03 Dec 2016 04:50:13 -0800 (PST) MIME-Version: 1.0 Received: by 10.182.80.136 with HTTP; Sat, 3 Dec 2016 04:50:12 -0800 (PST) In-Reply-To: References: <1479903646-6772-1-git-send-email-lars.kurth@citrix.com> <1479903646-6772-4-git-send-email-lars.kurth@citrix.com> <22592.20442.56789.31703@mariner.uk.xensource.com> From: Hussain Fazul Date: Sat, 3 Dec 2016 15:50:12 +0300 Message-ID: To: Stefano Stabellini Cc: Lars Kurth , "xen-api@lists.xenproject.org" , "committers@xenproject.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xenproject.org" , Ian Jackson , "win-pv-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [PATCH v5 3/3] Significant changes to decision making; some new roles and minor changes X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6498854901922673248==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============6498854901922673248== Content-Type: multipart/alternative; boundary=001a113d3d14dde4260542c07e56 --001a113d3d14dde4260542c07e56 Content-Type: text/plain; charset=UTF-8 Hello everybody! I am Hussain, act as student. I would like to ask few questions about Mirage Unikernel. In fact I built Unikernel on Mirage because I have a project about ti. 1- How can I test booting speed of Unikernel. 2- After how many pings Unikernel is crash down. My Regards On Fri, Dec 2, 2016 at 10:06 PM, Stefano Stabellini wrote: > On Fri, 2 Dec 2016, Lars Kurth wrote: > > On 01/12/2016 22:36, "Stefano Stabellini" > wrote: > > > > >On Thu, 1 Dec 2016, Ian Jackson wrote: > > >> Lars Kurth writes ("Re: [PATCH v5 3/3] Significant changes to decision > > >>making; some new roles and minor changes"): > > >> > Maybe Ian has some views on what is better from a theoretical > > >>viewpoint: > > >> > Voting mechanisms are a bit of a hobby of his > > >> > > >> The underlying problem here is that the reality is that the Xen > > >> Project's by-far most important subproject is the hypervisor; that it > > >> seems that the governance probably ought to reflect that; but that it > > >> is difficult to do this without special casing it or providing an > > >> objective metric of the hypervisor subproject's size. > > >> > > >> I don't think it is possible to square this circle. Our options are: > > >> > > >> 1. Explicitly recognise the hypervisor subproject as special. > > >> (This could be done by creating a new `superproject' maturity > > >> category, or simply by naming it explicitly.) > > >> > > >> 2. Do some kind of bodge which tries to reduce the impact of the > > >> potential unknown management practices of other subprojects > > >> (particularly, that they might appoint lots of leaders). > > >> > > >> 3. Restructure the hypervisor sub-project. > > >> > > >> The current proposal is (2) and has the virtue of not incentivising a > > >> subproject to appoint lots of leaders simply to get more votes > > >> overall. But it is still rather weak because it has to treat the > > >> hypervisor subproject as only one amongst many, so hypervisor leaders > > >> are under-powered and fringe leaders over-powered. > > >> > > >> Another way to deal with this would be to split the hypervisor > > >> subproject (3, above). For example, we could create subprojects for > > >> some subset of minios, osstest, xtf, various out-of-tree tools,... > > >> (many of which would have only one leadership team member). > > >> > > >> That would mean that the hypervisor-focused maintainers would get > > >> additional votes via their other "hats". (They would still get a vote > > >> in the hypervisor subproject, if they have a hypervisor leadership > > >> position too.) > > >> > > >> This is perhaps less unnatural. It still leaves fringe leaders > > >> somewhat over-powered: this time, leaders of more-hypervisor-related > > >> (or some such) fringe things, rather than leaders of > > >> less-hypervisor-related fringe things. > > > > > >Istinctively, I don't like the idea of splitting up the hypervisor > > >project in multiple projects. > > > > We could split out the following git repos: mini-os, osstest, raisin, > > livepatch-build-tools, xtf > > In terms of contributions per release, there is more activity than > Windows > > PV Drivers, which are a separate project. > > I see what you meant now. That could be OK. > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Hussain Fazul Trainee - Network ID:031 Technical Trainer College - Riyadh www.ttcollege.adu.sa M:00966567506089 E: hussainne031@gmail.com --001a113d3d14dde4260542c07e56 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello everybody!

I am Hus= sain, act as student.

I would like to ask few quest= ions about Mirage Unikernel. In fact I built Unikernel on Mirage because I = have a project about ti.

1- How can I test booting speed = of Unikernel.

2- After how many pings Unikernel is= crash down.

My Regards=C2=A0

=C2=A0

On Fri, Dec 2,= 2016 at 10:06 PM, Stefano Stabellini <sstabellini@kernel.org>= wrote:
On Fri, 2 Dec 2016, Lars Kurth wrote:
> On 01/12/2016 22:36, "Stefano Stabellini" <sstabellini@kernel.org> wrote:
>
> >On Thu, 1 Dec 2016, Ian Jackson wrote:
> >> Lars Kurth writes ("Re: [PATCH v5 3/3] Significant chang= es to decision
> >>making; some new roles and minor changes"):
> >> > Maybe Ian has some views on what is better from a theore= tical
> >>viewpoint:
> >> > Voting mechanisms are a bit of a hobby of his
> >>
> >> The underlying problem here is that the reality is that the X= en
> >> Project's by-far most important subproject is the hypervi= sor; that it
> >> seems that the governance probably ought to reflect that; but= that it
> >> is difficult to do this without special casing it or providin= g an
> >> objective metric of the hypervisor subproject's size.
> >>
> >> I don't think it is possible to square this circle.=C2=A0= Our options are:
> >>
> >> 1. Explicitly recognise the hypervisor subproject as special.=
> >>=C2=A0 =C2=A0 (This could be done by creating a new `superproj= ect' maturity
> >>=C2=A0 =C2=A0 category, or simply by naming it explicitly.) > >>
> >> 2. Do some kind of bodge which tries to reduce the impact of = the
> >>=C2=A0 =C2=A0 potential unknown management practices of other = subprojects
> >>=C2=A0 =C2=A0 (particularly, that they might appoint lots of l= eaders).
> >>
> >> 3. Restructure the hypervisor sub-project.
> >>
> >> The current proposal is (2) and has the virtue of not incenti= vising a
> >> subproject to appoint lots of leaders simply to get more vote= s
> >> overall.=C2=A0 But it is still rather weak because it has to = treat the
> >> hypervisor subproject as only one amongst many, so hypervisor= leaders
> >> are under-powered and fringe leaders over-powered.
> >>
> >> Another way to deal with this would be to split the hyperviso= r
> >> subproject (3, above).=C2=A0 For example, we could create sub= projects for
> >> some subset of minios, osstest, xtf, various out-of-tree tool= s,...
> >> (many of which would have only one leadership team member). > >>
> >> That would mean that the hypervisor-focused maintainers would= get
> >> additional votes via their other "hats".=C2=A0 (The= y would still get a vote
> >> in the hypervisor subproject, if they have a hypervisor leade= rship
> >> position too.)
> >>
> >> This is perhaps less unnatural.=C2=A0 It still leaves fringe = leaders
> >> somewhat over-powered: this time, leaders of more-hypervisor-= related
> >> (or some such) fringe things, rather than leaders of
> >> less-hypervisor-related fringe things.
> >
> >Istinctively, I don't like the idea of splitting up the hyperv= isor
> >project in multiple projects.
>
> We could split out the following git repos: mini-os, osstest, raisin,<= br> > livepatch-build-tools, xtf
> In terms of contributions per release, there is more activity than Win= dows
> PV Drivers, which are a separate project.

I see what you meant now. That could be OK.

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel



--
=C2=A0=C2=A0
=
Hussain Fazul
Trainee - Network=C2=A0
ID:031
Technical Trainer College - Riyadh=C2=A0
M:00966567506089
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It builds locally and in a containerized environment, as always I'd love to hear your thoughts :) Thanks! [1] https://github.com/mirage/ocaml-uri/pull/95 -- Federico Gimenez +34 695 543 160 <695%2054%2031%2060> fgimenez@coit.es --047d7b3a8c3a8edd920542e7e037 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello everyone, I've just proposed a PR with changes f= or porting ocaml-uri to topkg [1]. It builds locally and in a containerized= environment, as always I'd love to hear your thoughts :) --047d7b3a8c3a8edd920542e7e037-- --===============5308666957151820418== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== --===============5308666957151820418==-- From mirageos-devel-bounces@lists.xenproject.org Mon Dec 05 11:49:36 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 05 Dec 2016 11:49:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cDrlq-0008EF-RC; Mon, 05 Dec 2016 11:49:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cDrlp-0008E7-RL for mirageos-devel@lists.xenproject.org; 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boundary="===============5308666957151820418==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============5308666957151820418== Content-Type: multipart/alternative; boundary=047d7b3a8c3a8edd920542e7e037 --047d7b3a8c3a8edd920542e7e037 Content-Type: text/plain; charset=UTF-8 Hello everyone, I've just proposed a PR with changes for porting ocaml-uri to topkg [1]. It builds locally and in a containerized environment, as always I'd love to hear your thoughts :) Thanks! [1] https://github.com/mirage/ocaml-uri/pull/95 -- Federico Gimenez +34 695 543 160 <695%2054%2031%2060> fgimenez@coit.es --047d7b3a8c3a8edd920542e7e037 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello everyone, I've just proposed a PR with changes f= or porting ocaml-uri to topkg [1]. It builds locally and in a containerized= environment, as always I'd love to hear your thoughts :) --047d7b3a8c3a8edd920542e7e037-- --===============5308666957151820418== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== --===============5308666957151820418==-- From mirageos-devel-bounces@lists.xenproject.org Mon Dec 05 16:05:39 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 05 Dec 2016 16:05:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cDvlf-0007ZM-6L; Mon, 05 Dec 2016 16:05:27 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cDvld-0007ZG-8p for mirageos-devel@lists.xenproject.org; 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Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] upper bounding of mirage packages in mainline opam-repo X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTIvMDYvMjAxNiAxMDoxMiBBTSwgQW5pbCBNYWRoYXZhcGVkZHkgd3JvdGU6Cgo+IERlYXIg YWxsLAo+Cj4gVGhlIG1haW5saW5lIE9QQU0gcmVwb3NpdG9yeSBuZWVkcyB0byBoYXZlIGFuIHVw cGVyIGJvdW5kIG9uIE1pcmFnZTIgcmVsYXRlZCBwYWNrYWdlcyB0byBtYWtlIHJvb20gZm9yIHRo ZSBpbmNvbWluZyAzLjAgcmVsZWFzZXMgKHRoYXQgYXJlIGN1cnJlbnRseSBzdGFnZWQgaW4gaHR0 cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UtZGV2KS4KPgo+IFRoYW5rcyB0byBhIGZhbmN5 IG5ldyBDTEktYmFzZWQgdXBwZXItYm91bmRpbmcgdG9vbCBmcm9tIE1pbmR5IFByZXN0b24sIGFu ZCBtb3JlIGltcG9ydGFudGx5LCB0aGUgdG9vbCdzIGFwcGxpY2F0aW9uIHRvIG9wYW0tcmVwb3Np dG9yeSwgdGhlc2UgMyBQUnMgaGF2ZSBub3cgYmVlbiBtZXJnZWQ6Cj4KPiBodHRwczovL2dpdGh1 Yi5jb20vb2NhbWwvb3BhbS1yZXBvc2l0b3J5L3B1bGwvNzk3NQo+IGh0dHBzOi8vZ2l0aHViLmNv bS9vY2FtbC9vcGFtLXJlcG9zaXRvcnkvcHVsbC83OTc0Cj4gaHR0cHM6Ly9naXRodWIuY29tL29j YW1sL29wYW0tcmVwb3NpdG9yeS9wdWxsLzc5NzMKPgo+IFBsZWFzZSBsZXQgdXMga25vdyBpZiB5 b3Ugc3BvdCBhbnkgdW5leHBlY3RlZCBwYWNrYWdlIHJlZ3Jlc3Npb25zIGR1ZSB0byB0aGlzLgo+ Cj4gSWYgYW55b25lIHdpc2hlcyB0byBoZWxwIE1pbmR5IHRvIGdlbmVyYWxpc2UgdGhlIENMSSB1 cHBlcmJvdW5kLWNvbnN0cmFpbmVyLCB0aGUgc291cmNlIGlzIGhlcmU6Cj4gaHR0cHM6Ly9naXRo dWIuY29tL3lvbWltb25vL3VwcGVyYm91bmQtY29uc3RyYWluZXIKCnVwcGVyYm91bmQtY29uc3Ry YWluZXIgaXMgYSBwcmV0dHkgZHVtYiB3cmFwcGVyIGFyb3VuZCAKYG9wYW0tZmlsZS1mb3JtYXRg LCBzbyB0aGFua3MgYXJlIHJlYWxseSBvd2VkIHRvIExvdWlzIEdlc2JlcnQuIChOb3RlIAp0aGF0 IGl0IG5lZWRzIHVucmVsZWFzZWQgZnVuY3Rpb25hbGl0eSBpbiBvcGFtLWZpbGUtZm9ybWF0LCBz byB5b3UnbGwgCm5lZWQgdG8gcGluIHRoYXQgcGFja2FnZSBpbiBvcmRlciB0byB1c2UgaXQuKQoK QSBsb3Qgb2YgdGhlIHBhaW4gaW52b2x2ZWQgaW4gc2V0dGluZyB1cHBlciBib3VuZHMgb24gb2xk IHBhY2thZ2VzIGNvbWVzIApmcm9tIGhhdmluZyBgb3BhbSBsaW50YCBydW4gZm9yIHRoZSBmaXJz dCB0aW1lIG9uIGBvcGFtYCBmaWxlcyB0aGF0IApoYXZlbid0IGJlZW4gbG9va2VkIGF0IGluIHll YXJzLiAgQSB1c2VmdWwgcGllY2Ugb2YgYXV0b21hdGlvbiB3b3VsZCBiZSAKc29tZXRoaW5nIG5p Y2VyIHRoYW4gaHR0cHM6Ly9naXRodWIuY29tL3lvbWltb25vL29wYW0tbGludC1yZW1vdmVyICwg CndoaWNoIGNhbiBvbmx5IHJlc29sdmUgZXJyb3JzIDI1LCAzNSwgYW5kIDM2IGdpdmVuIGZpZWxk cyB0aGF0IGFyZSAKcG9wdWxhdGVkIGluIGxhdGVyIHZlcnNpb25zLgoKLU1pbmR5CgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBt YWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2 ZWwK From mirageos-devel-bounces@lists.xenproject.org Tue Dec 06 16:17:15 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Dec 2016 16:17:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cEIQc-0005Yy-8q; 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 5456 invoked from network); 6 Dec 2016 16:17:11 -0000 Received: from relay6-d.mail.gandi.net (HELO relay6-d.mail.gandi.net) (217.70.183.198) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 6 Dec 2016 16:17:11 -0000 Received: from mfilter1-d.gandi.net (mfilter1-d.gandi.net [217.70.178.130]) by relay6-d.mail.gandi.net (Postfix) with ESMTP id 0FE6AFB962 for ; Tue, 6 Dec 2016 17:17:11 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mfilter1-d.gandi.net Received: from relay6-d.mail.gandi.net ([IPv6:::ffff:217.70.183.198]) by mfilter1-d.gandi.net (mfilter1-d.gandi.net [::ffff:10.0.15.180]) (amavisd-new, port 10024) with ESMTP id 0SD6LnQPUk3C for ; Tue, 6 Dec 2016 17:17:09 +0100 (CET) X-Originating-IP: 198.27.60.162 Received: from [10.137.3.11] (unknown [198.27.60.162]) (Authenticated sender: guybrush@somerandomidiot.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 072BDFB8C8 for ; Tue, 6 Dec 2016 17:17:08 +0100 (CET) To: mirageos-devel@lists.xenproject.org References: From: Mindy Message-ID: Date: Tue, 6 Dec 2016 10:17:02 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] upper bounding of mirage packages in mainline opam-repo X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTIvMDYvMjAxNiAxMDoxMiBBTSwgQW5pbCBNYWRoYXZhcGVkZHkgd3JvdGU6Cgo+IERlYXIg YWxsLAo+Cj4gVGhlIG1haW5saW5lIE9QQU0gcmVwb3NpdG9yeSBuZWVkcyB0byBoYXZlIGFuIHVw cGVyIGJvdW5kIG9uIE1pcmFnZTIgcmVsYXRlZCBwYWNrYWdlcyB0byBtYWtlIHJvb20gZm9yIHRo ZSBpbmNvbWluZyAzLjAgcmVsZWFzZXMgKHRoYXQgYXJlIGN1cnJlbnRseSBzdGFnZWQgaW4gaHR0 cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UtZGV2KS4KPgo+IFRoYW5rcyB0byBhIGZhbmN5 IG5ldyBDTEktYmFzZWQgdXBwZXItYm91bmRpbmcgdG9vbCBmcm9tIE1pbmR5IFByZXN0b24sIGFu ZCBtb3JlIGltcG9ydGFudGx5LCB0aGUgdG9vbCdzIGFwcGxpY2F0aW9uIHRvIG9wYW0tcmVwb3Np dG9yeSwgdGhlc2UgMyBQUnMgaGF2ZSBub3cgYmVlbiBtZXJnZWQ6Cj4KPiBodHRwczovL2dpdGh1 Yi5jb20vb2NhbWwvb3BhbS1yZXBvc2l0b3J5L3B1bGwvNzk3NQo+IGh0dHBzOi8vZ2l0aHViLmNv bS9vY2FtbC9vcGFtLXJlcG9zaXRvcnkvcHVsbC83OTc0Cj4gaHR0cHM6Ly9naXRodWIuY29tL29j YW1sL29wYW0tcmVwb3NpdG9yeS9wdWxsLzc5NzMKPgo+IFBsZWFzZSBsZXQgdXMga25vdyBpZiB5 b3Ugc3BvdCBhbnkgdW5leHBlY3RlZCBwYWNrYWdlIHJlZ3Jlc3Npb25zIGR1ZSB0byB0aGlzLgo+ Cj4gSWYgYW55b25lIHdpc2hlcyB0byBoZWxwIE1pbmR5IHRvIGdlbmVyYWxpc2UgdGhlIENMSSB1 cHBlcmJvdW5kLWNvbnN0cmFpbmVyLCB0aGUgc291cmNlIGlzIGhlcmU6Cj4gaHR0cHM6Ly9naXRo dWIuY29tL3lvbWltb25vL3VwcGVyYm91bmQtY29uc3RyYWluZXIKCnVwcGVyYm91bmQtY29uc3Ry YWluZXIgaXMgYSBwcmV0dHkgZHVtYiB3cmFwcGVyIGFyb3VuZCAKYG9wYW0tZmlsZS1mb3JtYXRg LCBzbyB0aGFua3MgYXJlIHJlYWxseSBvd2VkIHRvIExvdWlzIEdlc2JlcnQuIChOb3RlIAp0aGF0 IGl0IG5lZWRzIHVucmVsZWFzZWQgZnVuY3Rpb25hbGl0eSBpbiBvcGFtLWZpbGUtZm9ybWF0LCBz byB5b3UnbGwgCm5lZWQgdG8gcGluIHRoYXQgcGFja2FnZSBpbiBvcmRlciB0byB1c2UgaXQuKQoK QSBsb3Qgb2YgdGhlIHBhaW4gaW52b2x2ZWQgaW4gc2V0dGluZyB1cHBlciBib3VuZHMgb24gb2xk IHBhY2thZ2VzIGNvbWVzIApmcm9tIGhhdmluZyBgb3BhbSBsaW50YCBydW4gZm9yIHRoZSBmaXJz dCB0aW1lIG9uIGBvcGFtYCBmaWxlcyB0aGF0IApoYXZlbid0IGJlZW4gbG9va2VkIGF0IGluIHll YXJzLiAgQSB1c2VmdWwgcGllY2Ugb2YgYXV0b21hdGlvbiB3b3VsZCBiZSAKc29tZXRoaW5nIG5p Y2VyIHRoYW4gaHR0cHM6Ly9naXRodWIuY29tL3lvbWltb25vL29wYW0tbGludC1yZW1vdmVyICwg CndoaWNoIGNhbiBvbmx5IHJlc29sdmUgZXJyb3JzIDI1LCAzNSwgYW5kIDM2IGdpdmVuIGZpZWxk cyB0aGF0IGFyZSAKcG9wdWxhdGVkIGluIGxhdGVyIHZlcnNpb25zLgoKLU1pbmR5CgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBt YWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2 ZWwK From mirageos-devel-bounces@lists.xenproject.org Tue Dec 06 21:09:19 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Dec 2016 21:09:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cEMz6-0000B8-2W; 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Tue, 6 Dec 2016 22:09:01 +0100 (CET) To: "mirageos-devel@lists.xenproject.org" From: Mindy Message-ID: Date: Tue, 6 Dec 2016 15:08:59 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] result-y errors X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" QSBmZXcgd2Vla3MgYWdvLCBJIG1lcmdlZCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFn ZS9wdWxsLzY5MCBhbmQgCml0cyBjb21wYW5pb24gUFJzLiAgVGhlIGNoYW5nZXNldCBjb250aW51 ZXMgd29yayBkb25lIGJ5IEhhbm5lcyBNZWhuZXJ0IAp0byBjb252ZXJ0IHRoZSBORVRXT1JLIG1v ZHVsZSB0eXBlIHRvIHVzaW5nIHJlc3VsdCB0eXBlcyBmb3Igd3JpdGVzIAp1cHdhcmQgdGhyb3Vn aCBFVEhFUk5FVCwgSVAsIFVEUCwgVENQLCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIEZMT1cgdG8g CnVzZSByZXN1bHQgdHlwZXMgZm9yIGJvdGggYHJlYWRgIGFuZCBgd3JpdGVgLiAgQW5pbCBoYXMg bWFkZSBhIG5pY2UgCnBhdGNoIChub3cgbWVyZ2VkKSB0byBgY2hhbm5lbGAgdXNpbmcgdGhpcyBB UEkgd2hpY2ggeW91IGNhbiBzZWUgYXQgCmh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdl LWNoYW5uZWwvcHVsbC8xNCAuCgpUaGVyZSdzIGEgc2ltaWxhciBQUiwgbm90IHlldCBtZXJnZWQs IHdoaWNoIGFkZHMgZXJyb3IgdHlwZXMgZm9yIEtWX1JPLCAKQkxPQ0ssIGFuZCBGUyB3aGljaCB5 b3UgY2FuIHNlZSBhdCAKaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC83MDUg LiAgSSdkIGFwcHJlY2lhdGUgbW9yZSAKY29tbWVudHMgb24gdGhpcyBQUi4gIEknbGwgYWRtaXQg dGhhdCBJJ2QgZXNwZWNpYWxseSBhcHByZWNpYXRlIGNvbW1lbnRzIAp0byB0aGUgZWZmZWN0IG9m ICJ0aGlzIGlzIGJldHRlciB0aGFuIHdoYXQgd2UgaGFkIHNvIHBsZWFzZSBtZXJnZSBpdCIuCgpB cyBtZW50aW9uZWQgaW4gaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvaXNzdWVzLzY5 OCBhbmQgCmh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNvbnNvbGUvcHVsbC81MCNp c3N1ZWNvbW1lbnQtMjYwNzcwNjQ4IAosIHRoZSBkb3duc2lkZSBvZiB0aGlzIGRlc2lnbiBpcyB0 aGF0IHRoZSBlcnJvciB0eXBlcyBhcmUgbm93IGNsb3NlZCwgCndoaWNoIGlzIGFubm95aW5nIGlu IHRoZSBjYXNlIG9mIEZMT1cuCgpJJ2QgbGlrZSB0byBpbnZpdGUgYW55b25lIHdobyBoYXMgY29u dHJpYnV0aW9ucyB0byBtYWtlIHJlbGF0ZWQgdG8gdGhlc2UgCml0ZW1zIHRvIGRvIHNvLCBpbmNs dWRpbmcgUFJzIHRvIGltcHJvdmUgb3IgcmV2ZXJ0IHRoZSBjaGFuZ2VzIHByb3Bvc2VkIApvciBt ZXJnZWQuICBJJ3ZlIGFscmVhZHkgc3BlbnQgd2F5IG1vcmUgdGltZSBvbiB0aGlzIGl0ZW0gZm9y IE1pcmFnZSAzLjAgCnRoYW4gSSBpbnRlbmRlZCB0byBvciBwcm9iYWJseSBzaG91bGQgaGF2ZSwg YnV0IEkgYWRtaXQgdGhhdCB0aGVyZSBhcmUgCmRlZmljaWVuY2llcyBpbiB0aGUgZGVzaWduIHRo YXQgc2hvdWxkIGJlIGFkZHJlc3NlZC4KClRoYW5rcywKTWluZHkKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlz dApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnBy b2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Tue Dec 06 21:09:19 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Dec 2016 21:09:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cEMz6-0000B8-2W; 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Tue, 6 Dec 2016 22:09:01 +0100 (CET) To: "mirageos-devel@lists.xenproject.org" From: Mindy Message-ID: Date: Tue, 6 Dec 2016 15:08:59 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] result-y errors X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" QSBmZXcgd2Vla3MgYWdvLCBJIG1lcmdlZCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFn ZS9wdWxsLzY5MCBhbmQgCml0cyBjb21wYW5pb24gUFJzLiAgVGhlIGNoYW5nZXNldCBjb250aW51 ZXMgd29yayBkb25lIGJ5IEhhbm5lcyBNZWhuZXJ0IAp0byBjb252ZXJ0IHRoZSBORVRXT1JLIG1v ZHVsZSB0eXBlIHRvIHVzaW5nIHJlc3VsdCB0eXBlcyBmb3Igd3JpdGVzIAp1cHdhcmQgdGhyb3Vn aCBFVEhFUk5FVCwgSVAsIFVEUCwgVENQLCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIEZMT1cgdG8g CnVzZSByZXN1bHQgdHlwZXMgZm9yIGJvdGggYHJlYWRgIGFuZCBgd3JpdGVgLiAgQW5pbCBoYXMg bWFkZSBhIG5pY2UgCnBhdGNoIChub3cgbWVyZ2VkKSB0byBgY2hhbm5lbGAgdXNpbmcgdGhpcyBB UEkgd2hpY2ggeW91IGNhbiBzZWUgYXQgCmh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdl LWNoYW5uZWwvcHVsbC8xNCAuCgpUaGVyZSdzIGEgc2ltaWxhciBQUiwgbm90IHlldCBtZXJnZWQs IHdoaWNoIGFkZHMgZXJyb3IgdHlwZXMgZm9yIEtWX1JPLCAKQkxPQ0ssIGFuZCBGUyB3aGljaCB5 b3UgY2FuIHNlZSBhdCAKaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC83MDUg LiAgSSdkIGFwcHJlY2lhdGUgbW9yZSAKY29tbWVudHMgb24gdGhpcyBQUi4gIEknbGwgYWRtaXQg dGhhdCBJJ2QgZXNwZWNpYWxseSBhcHByZWNpYXRlIGNvbW1lbnRzIAp0byB0aGUgZWZmZWN0IG9m ICJ0aGlzIGlzIGJldHRlciB0aGFuIHdoYXQgd2UgaGFkIHNvIHBsZWFzZSBtZXJnZSBpdCIuCgpB cyBtZW50aW9uZWQgaW4gaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvaXNzdWVzLzY5 OCBhbmQgCmh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNvbnNvbGUvcHVsbC81MCNp c3N1ZWNvbW1lbnQtMjYwNzcwNjQ4IAosIHRoZSBkb3duc2lkZSBvZiB0aGlzIGRlc2lnbiBpcyB0 aGF0IHRoZSBlcnJvciB0eXBlcyBhcmUgbm93IGNsb3NlZCwgCndoaWNoIGlzIGFubm95aW5nIGlu IHRoZSBjYXNlIG9mIEZMT1cuCgpJJ2QgbGlrZSB0byBpbnZpdGUgYW55b25lIHdobyBoYXMgY29u dHJpYnV0aW9ucyB0byBtYWtlIHJlbGF0ZWQgdG8gdGhlc2UgCml0ZW1zIHRvIGRvIHNvLCBpbmNs dWRpbmcgUFJzIHRvIGltcHJvdmUgb3IgcmV2ZXJ0IHRoZSBjaGFuZ2VzIHByb3Bvc2VkIApvciBt ZXJnZWQuICBJJ3ZlIGFscmVhZHkgc3BlbnQgd2F5IG1vcmUgdGltZSBvbiB0aGlzIGl0ZW0gZm9y IE1pcmFnZSAzLjAgCnRoYW4gSSBpbnRlbmRlZCB0byBvciBwcm9iYWJseSBzaG91bGQgaGF2ZSwg YnV0IEkgYWRtaXQgdGhhdCB0aGVyZSBhcmUgCmRlZmljaWVuY2llcyBpbiB0aGUgZGVzaWduIHRo YXQgc2hvdWxkIGJlIGFkZHJlc3NlZC4KClRoYW5rcywKTWluZHkKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlz dApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnBy b2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Dec 09 14:41:58 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Dec 2016 14:41:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cFMMt-0006Dr-FL; 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Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] result-y errors X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTIvMDYvMjAxNiAwMzowOCBQTSwgTWluZHkgd3JvdGU6Cgo+IEEgZmV3IHdlZWtzIGFnbywg SSBtZXJnZWQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC82OTAgCj4gYW5k IGl0cyBjb21wYW5pb24gUFJzLiBUaGUgY2hhbmdlc2V0IGNvbnRpbnVlcyB3b3JrIGRvbmUgYnkg SGFubmVzIAo+IE1laG5lcnQgdG8gY29udmVydCB0aGUgTkVUV09SSyBtb2R1bGUgdHlwZSB0byB1 c2luZyByZXN1bHQgdHlwZXMgZm9yIAo+IHdyaXRlcyB1cHdhcmQgdGhyb3VnaCBFVEhFUk5FVCwg SVAsIFVEUCwgVENQLCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIAo+IEZMT1cgdG8gdXNlIHJlc3Vs dCB0eXBlcyBmb3IgYm90aCBgcmVhZGAgYW5kIGB3cml0ZWAuICBBbmlsIGhhcyBtYWRlIGEgCj4g bmljZSBwYXRjaCAobm93IG1lcmdlZCkgdG8gYGNoYW5uZWxgIHVzaW5nIHRoaXMgQVBJIHdoaWNo IHlvdSBjYW4gc2VlIAo+IGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNoYW5u ZWwvcHVsbC8xNCAuCj4KPiBUaGVyZSdzIGEgc2ltaWxhciBQUiwgbm90IHlldCBtZXJnZWQsIHdo aWNoIGFkZHMgZXJyb3IgdHlwZXMgZm9yIAo+IEtWX1JPLCBCTE9DSywgYW5kIEZTIHdoaWNoIHlv dSBjYW4gc2VlIGF0IAo+IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlL3B1bGwvNzA1 IC4gIEknZCBhcHByZWNpYXRlIG1vcmUgCj4gY29tbWVudHMgb24gdGhpcyBQUi4gIEknbGwgYWRt aXQgdGhhdCBJJ2QgZXNwZWNpYWxseSBhcHByZWNpYXRlIAo+IGNvbW1lbnRzIHRvIHRoZSBlZmZl Y3Qgb2YgInRoaXMgaXMgYmV0dGVyIHRoYW4gd2hhdCB3ZSBoYWQgc28gcGxlYXNlIAo+IG1lcmdl IGl0Ii4KClRoaXMgaGFzIGp1c3QgYmVlbiBtZXJnZWQgbGFyZ2VseSBhcyB3cml0dGVuLiAgVGhh bmtzIHRvIGZvbGtzIHdobyAKY29tbWVudGVkLCBwYXJ0aWN1bGFybHkgdGFsZXg1LCBoYW5uZXNt LCBhbmQgbHB3MjUuICBPbmdvaW5nIHRoYW5rcyB0byAKc2Ftb2h0LCB0YWxleDUsIGFuZCBoYW5u ZXNtIGZvciB0aGVpciBwcmV2aW91cyB3b3JrIGluIHRoaXMgc3BhY2UuICAKRnVydGhlciBpbXBy b3ZlbWVudHMgYXJlIGFsd2F5cyBwb3NzaWJsZSA7KQoKLU1pbmR5CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxp c3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5w cm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Fri Dec 09 14:41:58 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Dec 2016 14:41:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cFMMt-0006Dr-FL; 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Mon, 12 Dec 2016 20:25:52 +0100 (CET) To: mirageos-devel@lists.xenproject.org References: <3e766a83-07e5-1b41-d53e-780c897bc4da@somerandomidiot.com> From: Mindy Message-ID: Date: Mon, 12 Dec 2016 13:25:49 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <3e766a83-07e5-1b41-d53e-780c897bc4da@somerandomidiot.com> Subject: Re: [MirageOS-devel] result-y errors and MirageOS 3 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTIvMDkvMjAxNiAwODo0MSBBTSwgTWluZHkgd3JvdGU6Cgo+IE9uIDEyLzA2LzIwMTYgMDM6 MDggUE0sIE1pbmR5IHdyb3RlOgo+Cj4+IEEgZmV3IHdlZWtzIGFnbywgSSBtZXJnZWQgaHR0cHM6 Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC82OTAgCj4+IGFuZCBpdHMgY29tcGFuaW9u IFBScy4gVGhlIGNoYW5nZXNldCBjb250aW51ZXMgd29yayBkb25lIGJ5IEhhbm5lcyAKPj4gTWVo bmVydCB0byBjb252ZXJ0IHRoZSBORVRXT1JLIG1vZHVsZSB0eXBlIHRvIHVzaW5nIHJlc3VsdCB0 eXBlcyBmb3IgCj4+IHdyaXRlcyB1cHdhcmQgdGhyb3VnaCBFVEhFUk5FVCwgSVAsIFVEUCwgVENQ LCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIAo+PiBGTE9XIHRvIHVzZSByZXN1bHQgdHlwZXMgZm9y IGJvdGggYHJlYWRgIGFuZCBgd3JpdGVgLiAgQW5pbCBoYXMgbWFkZSAKPj4gYSBuaWNlIHBhdGNo IChub3cgbWVyZ2VkKSB0byBgY2hhbm5lbGAgdXNpbmcgdGhpcyBBUEkgd2hpY2ggeW91IGNhbiAK Pj4gc2VlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNoYW5uZWwvcHVsbC8x NCAuCj4+Cj4+IFRoZXJlJ3MgYSBzaW1pbGFyIFBSLCBub3QgeWV0IG1lcmdlZCwgd2hpY2ggYWRk cyBlcnJvciB0eXBlcyBmb3IgCj4+IEtWX1JPLCBCTE9DSywgYW5kIEZTIHdoaWNoIHlvdSBjYW4g c2VlIGF0IAo+PiBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS9wdWxsLzcwNSAuICBJ J2QgYXBwcmVjaWF0ZSBtb3JlIAo+PiBjb21tZW50cyBvbiB0aGlzIFBSLiAgSSdsbCBhZG1pdCB0 aGF0IEknZCBlc3BlY2lhbGx5IGFwcHJlY2lhdGUgCj4+IGNvbW1lbnRzIHRvIHRoZSBlZmZlY3Qg b2YgInRoaXMgaXMgYmV0dGVyIHRoYW4gd2hhdCB3ZSBoYWQgc28gcGxlYXNlIAo+PiBtZXJnZSBp dCIuCj4KPiBUaGlzIGhhcyBqdXN0IGJlZW4gbWVyZ2VkIGxhcmdlbHkgYXMgd3JpdHRlbi4gIFRo YW5rcyB0byBmb2xrcyB3aG8gCj4gY29tbWVudGVkLCBwYXJ0aWN1bGFybHkgdGFsZXg1LCBoYW5u ZXNtLCBhbmQgbHB3MjUuICBPbmdvaW5nIHRoYW5rcyB0byAKPiBzYW1vaHQsIHRhbGV4NSwgYW5k IGhhbm5lc20gZm9yIHRoZWlyIHByZXZpb3VzIHdvcmsgaW4gdGhpcyBzcGFjZS4gIAo+IEZ1cnRo ZXIgaW1wcm92ZW1lbnRzIGFyZSBhbHdheXMgcG9zc2libGUgOykKCkknbSB0YWtpbmcgd2hhdCBJ IGhvcGUgd2lsbCBiZSB0aGUgbGFzdCBwYXNzIGF0IGluY29ycG9yYXRpbmcgY2hhbmdlcyB0byAK dGhlIGVycm9ycyBpbnRlcmZhY2UgYXQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2Uv cHVsbC83MjkgLiAgQXMgCmEgc2F0aXNmYWN0b3J5IGludGVyZmFjZSBoZXJlIGlzIHRoZSBsYXN0 IGJsb2NrZXIgdG8gYW4gQVBJIHRoYXQgbG9va3MgCnN1YnN0YW50aWFsbHkgbGlrZSB3aGF0IHdl J2xsIHVzZSBpbiBNaXJhZ2VPUyAzLCBJIHdvdWxkIHZlcnkgbXVjaCAKYXBwcmVjaWF0ZSB5b3Vy IGNvbW1lbnRzIG9yIFBScyBhcyBzb29uIGFzIHlvdSBjYW4gZ2V0IHRoZW0gaW4sIGFuZCAKY2Vy dGFpbmx5IGJ5IChvciBkdXJpbmcpIHRoZSBNaXJhZ2VPUyBjYWxsIG9uIFdlZG5lc2RheSB3aGlj aCBJJ2xsIApzaG9ydGx5IGJlIHNlbmRpbmcgdGhlIHJlbWluZGVyIGZvci4KClRoYW5rcywKTWlu ZHkKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFn ZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9y ZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9t aXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Dec 12 19:26:11 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Dec 2016 19:26:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGWEZ-0005M0-IT; 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Mon, 12 Dec 2016 20:25:52 +0100 (CET) To: mirageos-devel@lists.xenproject.org References: <3e766a83-07e5-1b41-d53e-780c897bc4da@somerandomidiot.com> From: Mindy Message-ID: Date: Mon, 12 Dec 2016 13:25:49 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <3e766a83-07e5-1b41-d53e-780c897bc4da@somerandomidiot.com> Subject: Re: [MirageOS-devel] result-y errors and MirageOS 3 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTIvMDkvMjAxNiAwODo0MSBBTSwgTWluZHkgd3JvdGU6Cgo+IE9uIDEyLzA2LzIwMTYgMDM6 MDggUE0sIE1pbmR5IHdyb3RlOgo+Cj4+IEEgZmV3IHdlZWtzIGFnbywgSSBtZXJnZWQgaHR0cHM6 Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC82OTAgCj4+IGFuZCBpdHMgY29tcGFuaW9u IFBScy4gVGhlIGNoYW5nZXNldCBjb250aW51ZXMgd29yayBkb25lIGJ5IEhhbm5lcyAKPj4gTWVo bmVydCB0byBjb252ZXJ0IHRoZSBORVRXT1JLIG1vZHVsZSB0eXBlIHRvIHVzaW5nIHJlc3VsdCB0 eXBlcyBmb3IgCj4+IHdyaXRlcyB1cHdhcmQgdGhyb3VnaCBFVEhFUk5FVCwgSVAsIFVEUCwgVENQ LCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIAo+PiBGTE9XIHRvIHVzZSByZXN1bHQgdHlwZXMgZm9y IGJvdGggYHJlYWRgIGFuZCBgd3JpdGVgLiAgQW5pbCBoYXMgbWFkZSAKPj4gYSBuaWNlIHBhdGNo IChub3cgbWVyZ2VkKSB0byBgY2hhbm5lbGAgdXNpbmcgdGhpcyBBUEkgd2hpY2ggeW91IGNhbiAK Pj4gc2VlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNoYW5uZWwvcHVsbC8x NCAuCj4+Cj4+IFRoZXJlJ3MgYSBzaW1pbGFyIFBSLCBub3QgeWV0IG1lcmdlZCwgd2hpY2ggYWRk cyBlcnJvciB0eXBlcyBmb3IgCj4+IEtWX1JPLCBCTE9DSywgYW5kIEZTIHdoaWNoIHlvdSBjYW4g c2VlIGF0IAo+PiBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS9wdWxsLzcwNSAuICBJ J2QgYXBwcmVjaWF0ZSBtb3JlIAo+PiBjb21tZW50cyBvbiB0aGlzIFBSLiAgSSdsbCBhZG1pdCB0 aGF0IEknZCBlc3BlY2lhbGx5IGFwcHJlY2lhdGUgCj4+IGNvbW1lbnRzIHRvIHRoZSBlZmZlY3Qg b2YgInRoaXMgaXMgYmV0dGVyIHRoYW4gd2hhdCB3ZSBoYWQgc28gcGxlYXNlIAo+PiBtZXJnZSBp dCIuCj4KPiBUaGlzIGhhcyBqdXN0IGJlZW4gbWVyZ2VkIGxhcmdlbHkgYXMgd3JpdHRlbi4gIFRo YW5rcyB0byBmb2xrcyB3aG8gCj4gY29tbWVudGVkLCBwYXJ0aWN1bGFybHkgdGFsZXg1LCBoYW5u ZXNtLCBhbmQgbHB3MjUuICBPbmdvaW5nIHRoYW5rcyB0byAKPiBzYW1vaHQsIHRhbGV4NSwgYW5k IGhhbm5lc20gZm9yIHRoZWlyIHByZXZpb3VzIHdvcmsgaW4gdGhpcyBzcGFjZS4gIAo+IEZ1cnRo ZXIgaW1wcm92ZW1lbnRzIGFyZSBhbHdheXMgcG9zc2libGUgOykKCkknbSB0YWtpbmcgd2hhdCBJ IGhvcGUgd2lsbCBiZSB0aGUgbGFzdCBwYXNzIGF0IGluY29ycG9yYXRpbmcgY2hhbmdlcyB0byAK dGhlIGVycm9ycyBpbnRlcmZhY2UgYXQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2Uv cHVsbC83MjkgLiAgQXMgCmEgc2F0aXNmYWN0b3J5IGludGVyZmFjZSBoZXJlIGlzIHRoZSBsYXN0 IGJsb2NrZXIgdG8gYW4gQVBJIHRoYXQgbG9va3MgCnN1YnN0YW50aWFsbHkgbGlrZSB3aGF0IHdl J2xsIHVzZSBpbiBNaXJhZ2VPUyAzLCBJIHdvdWxkIHZlcnkgbXVjaCAKYXBwcmVjaWF0ZSB5b3Vy IGNvbW1lbnRzIG9yIFBScyBhcyBzb29uIGFzIHlvdSBjYW4gZ2V0IHRoZW0gaW4sIGFuZCAKY2Vy dGFpbmx5IGJ5IChvciBkdXJpbmcpIHRoZSBNaXJhZ2VPUyBjYWxsIG9uIFdlZG5lc2RheSB3aGlj aCBJJ2xsIApzaG9ydGx5IGJlIHNlbmRpbmcgdGhlIHJlbWluZGVyIGZvci4KClRoYW5rcywKTWlu ZHkKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFn ZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9y ZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9t aXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Dec 12 19:30:44 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Dec 2016 19:30:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGWJ9-0005qp-Vj; 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 10532 invoked from network); 12 Dec 2016 19:30:40 -0000 Received: from relay6-d.mail.gandi.net (HELO relay6-d.mail.gandi.net) (217.70.183.198) by server-15.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 12 Dec 2016 19:30:40 -0000 Received: from mfilter43-d.gandi.net (mfilter43-d.gandi.net [217.70.178.174]) by relay6-d.mail.gandi.net (Postfix) with ESMTP id 5C670FB881 for ; Mon, 12 Dec 2016 20:30:40 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mfilter43-d.gandi.net Received: from relay6-d.mail.gandi.net ([IPv6:::ffff:217.70.183.198]) by mfilter43-d.gandi.net (mfilter43-d.gandi.net [::ffff:10.0.15.180]) (amavisd-new, port 10024) with ESMTP id lrYoNjZ1KRLW for ; Mon, 12 Dec 2016 20:30:38 +0100 (CET) X-Originating-IP: 68.117.125.78 Received: from [10.137.3.11] (68-117-125-78.static.mdsn.wi.charter.com [68.117.125.78]) (Authenticated sender: guybrush@somerandomidiot.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 7EA6EFB89F for ; Mon, 12 Dec 2016 20:30:38 +0100 (CET) To: "mirageos-devel@lists.xenproject.org" From: Mindy Message-ID: <39c781d7-4c7b-6a13-33f8-1ad4de5d8bdf@somerandomidiot.com> Date: Mon, 12 Dec 2016 13:30:37 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] MirageOS biweekly catchup - 14 December 2016, 16.00 UTC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5512586034733273205==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a multi-part message in MIME format. --===============5512586034733273205== Content-Type: multipart/alternative; boundary="------------3284DDFA2F5CE615E4318281" This is a multi-part message in MIME format. --------------3284DDFA2F5CE615E4318281 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi folks, We'll be using IRC again so please join #mirage on Freenode. IRC logs from the last session are accessible at https://canopy.mirage.io/irclogs/16-11-2016 . This session will also be logged at: http://canopy.mirage.io/irclogs . The agenda for the meeting is at: https://github.com/mirage/mirage-www/wiki/Call-Agenda Of particular note is the item for API changes - the ongoing work around improving the interface's exposure of errors via result types is our last blocker for releasing MirageOS 3, and I would greatly appreciate a sense of consensus around this issue. Please read over the agenda and add anything you'd like to talk about to the wiki. See you later! --------------3284DDFA2F5CE615E4318281 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

Hi folks,

We'll be using IRC again so please join #mirage on Freenode.
IRC logs from the last session are accessible at https://canopy.mirage.io/irclogs/16-11-2016 .

This session will also be logged at:
http://canopy.mirage.io/irclogs <http://canopy.mirage.io/irclogs> .

The agenda for the meeting is at:
https://github.com/mirage/mirage-www/wiki/Call-Agenda <https://github.com/mirage/mirage-www/wiki/Call-Agenda>

Of particular note is the item for API changes - the ongoing work around improving the interface's exposure of errors via result types is our last blocker for releasing MirageOS 3, and I would greatly appreciate a sense of consensus around this issue.

Please read over the agenda and add anything you'd like to talk about to the wiki. See you later!
--------------3284DDFA2F5CE615E4318281-- --===============5512586034733273205== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== --===============5512586034733273205==-- From mirageos-devel-bounces@lists.xenproject.org Mon Dec 12 19:30:44 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Dec 2016 19:30:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGWJ9-0005qp-Vj; Mon, 12 Dec 2016 19:30:43 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGWJ8-0005qj-HX for mirageos-devel@lists.xenproject.org; Mon, 12 Dec 2016 19:30:42 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 93/7A-22495-1EAFE485; Mon, 12 Dec 2016 19:30:41 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKIsWRWlGSWpSXmKPExsVy0237Md0Hv/w iDHpuGFj0tt5lcWD0OPzhCksAYxRrZl5SfkUCa8bRjQdYCzaIVXT8c21gXC/UxcjFISRwj1Hi +9HVLF2MnBwSAjYSn67PY4VITGGS+HL6AxtEQl7i/McXzBCJBUwSN/reMoIkRAQCJA6efQVms wmoSyy+3gc2SVjAQWLCqktMIDavgJvE1c0XwAaxCKhKzL7+EaiGg0NUIFzi6mFziBJBiZMzn4 C1MguESqzcc4J9AiPvLCSpWUhSELaZxLzND5khbHmJ7W/nANkcQLaaxLJWJWThBYxsqxg1ilO LylKLdA1N9JKKMtMzSnITM3N0DQ2M9XJTi4sT01NzEpOK9ZLzczcxAoOTAQh2MK7Y7nmIUZKD SUmU1/StX4QQX1J+SmVGYnFGfFFpTmrxIUYZDg4lCd6en0A5waLU9NSKtMwcYJzApCU4eJREe PtB0rzFBYm5xZnpEKlTjIpS4rzZIAkBkERGaR5cGyw2LzHKSgnzMgIdIsRTkFqUm1mCKv+KUZ yDUUmY9zLIFJ7MvBK46a+AFjMBLX6+zxtkcUkiQkqqgTE42afn9JEjJ3/HfLU4ymx8MfW32a4 IBjHvyqaytOxFNxhWRPGXVNpEPZJmsYzmtXfhUzpkMjvkslPJUfHepru7r5ddWjLp7YevBb5f /E9OznfdY3Dz62JPO2nJ/MrCX1c5+JZsSFZ+OrVJ49wZ3UeLpjkmSpkysz5OTX33YurROKtWg YXf1imxFGckGmoxFxUnAgDnQPWZyAIAAA== X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1481571040!71732157!1 X-Originating-IP: [217.70.183.198] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_50_60,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 9.0.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10532 invoked from network); 12 Dec 2016 19:30:40 -0000 Received: from relay6-d.mail.gandi.net (HELO relay6-d.mail.gandi.net) (217.70.183.198) by server-15.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 12 Dec 2016 19:30:40 -0000 Received: from mfilter43-d.gandi.net (mfilter43-d.gandi.net [217.70.178.174]) by relay6-d.mail.gandi.net (Postfix) with ESMTP id 5C670FB881 for ; Mon, 12 Dec 2016 20:30:40 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mfilter43-d.gandi.net Received: from relay6-d.mail.gandi.net ([IPv6:::ffff:217.70.183.198]) by mfilter43-d.gandi.net (mfilter43-d.gandi.net [::ffff:10.0.15.180]) (amavisd-new, port 10024) with ESMTP id lrYoNjZ1KRLW for ; Mon, 12 Dec 2016 20:30:38 +0100 (CET) X-Originating-IP: 68.117.125.78 Received: from [10.137.3.11] (68-117-125-78.static.mdsn.wi.charter.com [68.117.125.78]) (Authenticated sender: guybrush@somerandomidiot.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 7EA6EFB89F for ; Mon, 12 Dec 2016 20:30:38 +0100 (CET) To: "mirageos-devel@lists.xenproject.org" From: Mindy Message-ID: <39c781d7-4c7b-6a13-33f8-1ad4de5d8bdf@somerandomidiot.com> Date: Mon, 12 Dec 2016 13:30:37 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] MirageOS biweekly catchup - 14 December 2016, 16.00 UTC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5512586034733273205==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a multi-part message in MIME format. --===============5512586034733273205== Content-Type: multipart/alternative; boundary="------------3284DDFA2F5CE615E4318281" This is a multi-part message in MIME format. --------------3284DDFA2F5CE615E4318281 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi folks, We'll be using IRC again so please join #mirage on Freenode. IRC logs from the last session are accessible at https://canopy.mirage.io/irclogs/16-11-2016 . This session will also be logged at: http://canopy.mirage.io/irclogs . The agenda for the meeting is at: https://github.com/mirage/mirage-www/wiki/Call-Agenda Of particular note is the item for API changes - the ongoing work around improving the interface's exposure of errors via result types is our last blocker for releasing MirageOS 3, and I would greatly appreciate a sense of consensus around this issue. Please read over the agenda and add anything you'd like to talk about to the wiki. See you later! --------------3284DDFA2F5CE615E4318281 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

Hi folks,

We'll be using IRC again so please join #mirage on Freenode.
IRC logs from the last session are accessible at https://canopy.mirage.io/irclogs/16-11-2016 .

This session will also be logged at:
http://canopy.mirage.io/irclogs <http://canopy.mirage.io/irclogs> .

The agenda for the meeting is at:
https://github.com/mirage/mirage-www/wiki/Call-Agenda <https://github.com/mirage/mirage-www/wiki/Call-Agenda>

Of particular note is the item for API changes - the ongoing work around improving the interface's exposure of errors via result types is our last blocker for releasing MirageOS 3, and I would greatly appreciate a sense of consensus around this issue.

Please read over the agenda and add anything you'd like to talk about to the wiki. See you later!
--------------3284DDFA2F5CE615E4318281-- --===============5512586034733273205== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== --===============5512586034733273205==-- From mirageos-devel-bounces@lists.xenproject.org Wed Dec 14 11:35:04 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Dec 2016 11:35:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cH7pl-00022e-Pc; Wed, 14 Dec 2016 11:34:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cH7pk-00022W-As for mirageos-devel@lists.xenproject.org; Wed, 14 Dec 2016 11:34:52 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 24/26-03637-B5E21585; Wed, 14 Dec 2016 11:34:51 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrIIsWRWlGSWpSXmKPExsXSPJ+BQzdKLzD C4P8CZove1rssDowehz9cYQlgjGLNzEvKr0hgzViy9i9TwY15jBVnO94xNTDe7WbsYuTgEBLI lZj3WL2LkQvIfMIo0XPnBFMXIyeHiECAxMGzrxhBbDYBc4m+tv0sILawQKLEtuO7wGxeARuJn mV9zCA2i4CqxIsZx9lBbFGBGImPy48wQtQISpyc+YQFZAGzQCejxPEdV5kmMHLNQpKbhSwHkm AWCJW4N/knC4RtI3Fu63EoW1ti2cLXzBC2jsSJKUdZMcWtJWb8OsgGYStKTOl+yA5hm0q8Pvq REcLWl/h8Yw/bAkbuVYwaxalFZalFuoZmeklFmekZJbmJmTm6hgbGermpxcWJ6ak5iUnFesn5 uZsYgUHNAAQ7GFdt9zzEKMnBpCTKy3U1IEKILyk/pTIjsTgjvqg0J7X4EKMMB4eSBK++bmCEk GBRanpqRVpmDjC+YNISHDxKIrw9OkBp3uKCxNzizHSI1ClGRSlxXl6QPgGQREZpHlwbLKYvMc pKCfMyAh0ixFOQWpSbWYIq/4pRnINRSZg3CGQKT2ZeCdz0V0CLmYAWiy7xB1lckoiQkmpgVKv jM9jLFfi5yoqb0e2juYLTPv4jvw2mnc3/zHp5VdbGTycnnhG+3y5mqOhoaZMT/HLn7HMN8R+W pR+Zev/r7Wp+k/CFnPPKLmoYrhdP3LNHUf6v+N/uni1vmOYEvC5jnBhkYdgtx/qh+MGSdT38N 4Q16zWLtUxuXym8xb/ksVlCd25F79ljSizFGYmGWsxFxYkAhmrwW+QCAAA= X-Env-Sender: vittorio.cozzolino@in.tum.de X-Msg-Ref: server-14.tower-31.messagelabs.com!1481715289!76060670!1 X-Originating-IP: [131.159.0.8] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_20_30,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 40662 invoked from network); 14 Dec 2016 11:34:50 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-14.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 11:34:50 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id 141761C1315; Wed, 14 Dec 2016 12:34:49 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id F1DEE1C1311 for ; Wed, 14 Dec 2016 12:34:45 +0100 (CET) (Extended-Queue-bit tech_gkbta@fff.in.tum.de) To: "mirageos-devel@lists.xenproject.org" From: Vittorio Cozzolino Message-ID: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> Date: Wed, 14 Dec 2016 12:35:35 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1035966288164020168==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============1035966288164020168== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms080606020509030002000002" This is a cryptographically signed message in MIME format. --------------ms080606020509030002000002 Content-Type: multipart/alternative; boundary="------------98F83BF57C6AA058043AE92E" This is a multi-part message in MIME format. --------------98F83BF57C6AA058043AE92E Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: quoted-printable Hi, I'm running a unikernel on XEN that basically accesses a remote DB,=20 fetches and computes some data, sends out the result. Apparently, if I=20 try to fetch and parse a JSON response greater than a empirically found=20 threshold (details at the bottom of the email), the PVM XEN unikernel=20 just crashes and this is wait I see when running *sudo xl dmesg*: (XEN) Pagetable walk from 00000000002c9ff8: (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be=20 create_bounce_frame+0x66/0x13a (XEN) Domain 23 (vcpu#0) crashed on cpu#17: (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- (XEN) CPU: 17 (XEN) RIP: e033:[<0000000000258cf4>] (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: 00000000000000= 73 (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: 00000000002ca0= 18 (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: 000000000000000= 2 (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: 00000000000000= 00 (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: 00000011238fa0= 00 (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: 00000000001526= e0 (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 (XEN) Guest stack trace from rsp=3D00000000002ca000: (XEN) 00000000002ca118 0000000000000000 000000000025933f 0000000000000= 074 (XEN) 00000011238fa000 0000000000000000 00000000002ca118 00000000002ca= 1e8 (XEN) 0000000000000000 0000000000000000 0000000000000007 0000000000000= 007 (XEN) 0000000000000002 ffff800000000000 0000000000000073 0000000000442= 528 (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000256= 708 (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 000000000000e= 02b (XEN) 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a494= 847 (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000000= 074 (XEN) 00000000002566a0 00000000002ca118 00000000002561bc 7561662065676= 150 (XEN) 696c20746120746c 646461207261656e 3062642073736572 706972202c306= 433 (XEN) 2c38303736353220 3030207367657220 3030303030303030 202c383333616= 332 (XEN) 6533616332207073 735f72756f202c38 3030303030302070 3261633230303= 030 (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f6863746= 14d (XEN) 0200006572756c69 0000000000000073 0000000000000000 fffffffffffff= fef (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 00000011238fa= 000 (XEN) 0000000000000074 00000000002ca338 000000000025630a 636f6c625f737= 953 (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 fffffffffffff= feb (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 00000000002ca= 3e8 (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665646= e55 (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c 00000000003df= 368 I've tried to destroy/create multiple times the same unikernel and I=20 always receive the same error. When running on Unix I don't bump into=20 this issue, even when fetching and parsing multiple MB of data. By filling my code with logs, I figured out where exactly the unikernel=20 stops. Specifically during the JSON response parsing (I'm using the=20 YoJson library): let directExtractionn rawJson =3D Log.info (fun f -> f "Initializing direct extraction"); let json =3D Yojson.Basic.from_string rawJson in let result =3D [json] |> filter_member "results" |> flatten = |> filter_member "series" |> flatten |> filter_member "values" |> flatten in List.map ( fun item -> let datapoint =3D match item |> index 1 = with | `String a -> a | `Float f -> string_of_float f | `Int i -> string_of_float=20 (float_of_int i) | `Bool b -> string_of_bool b in datapoint ) result |> computeAverage >>=3D fun aver -> log_lwt ~inject:(fun f -> f "Result %f" aver) I know that probably my code is not really optimized and clean but I'm=20 quite shocked to see that my unikernel crashes when it has to extract=20 roughly 3500 datapoints (it's more or less the threshold at which it=20 crashes). The function computeAverage is not even called. If I run the=20 same code on Unix I can parse and process up to a 1M datapoints in less=20 than a second. I've also tried to increase the number of vcpus and=20 memory, but nothing changed (16 vcpus and 4GB of memory). I would like to add that this threshold changes depending on the host=20 machine: - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB=20 Network Interface) -> Threshold is around 107Kb - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network=20 Interface) -> Threshold is around 33Kb --------------98F83BF57C6AA058043AE92E Content-Type: text/html; charset=iso-8859-15 Content-Transfer-Encoding: quoted-printable Hi,
I'm running a unikernel on XEN that basically accesses a remote DB, fetches and computes some data, sends out the result. Apparently, if I try to fetch and parse a JSON response greater than a empirically found threshold (details at the bottom of the email), the PVM XEN unikernel just crashes and this is wait I see when running sudo xl dmesg:

(XEN) Pagetable walk from 00000000002c9ff8:
(XEN)=A0 L4[0x000] =3D 00000010b5f67067 0000000000000567
(XEN)=A0 L3[0x000] =3D 00000010b5f68067 0000000000000568
(XEN)=A0 L2[0x001] =3D 00000010b5f6a067 000000000000056a
(XEN)=A0 L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9
(XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be create_bounce_frame+0x66/0x13a
(XEN) Domain 23 (vcpu#0) crashed on cpu#17:
(XEN) ----[ Xen-4.6.0=A0 x86_64=A0 debug=3Dn=A0 Not tainted ]----
= (XEN) CPU:=A0=A0=A0 17
(XEN) RIP:=A0=A0=A0 e033:[<0000000000258cf4>]
(XEN) RFLAGS: 0000000000010206=A0=A0 EM: 1=A0=A0 CONTEXT: pv guest (d= 23v0)
(XEN) rax: 0000000000258cf0=A0=A0 rbx: 0000000000000000=A0=A0 rcx: 0000000000000073
(XEN) rdx: 0000000000442528=A0=A0 rsi: 0000000000000000=A0=A0 rdi: 00000000002ca018
(XEN) rbp: 00000000002ca1e8=A0=A0 rsp: 00000000002ca000=A0=A0 r8:=A0 0000000000000002
(XEN) r9:=A0 0000000000000007=A0=A0 r10: 0000000000000007=A0=A0 r11: 0000000000000000
(XEN) r12: 00000000002ca118=A0=A0 r13: 0000000000000000=A0=A0 r14: 00000011238fa000
(XEN) r15: 0000000000000074=A0=A0 cr0: 0000000080050033=A0=A0 cr4: 00000000001526e0
(XEN) cr3: 00000010b5f66000=A0=A0 cr2: 00000000002c9ff8
(XEN) ds: 0000=A0=A0 es: 0000=A0=A0 fs: 0000=A0=A0 gs: 0000=A0=A0 ss:= e02b=A0=A0 cs: e033
(XEN) Guest stack trace from rsp=3D00000000002ca000:
(XEN)=A0=A0=A0 00000000002ca118 0000000000000000 000000000025933f 0000000000000074
(XEN)=A0=A0=A0 00000011238fa000 0000000000000000 00000000002ca118 00000000002ca1e8
(XEN)=A0=A0=A0 0000000000000000 0000000000000000 0000000000000007 0000000000000007
(XEN)=A0=A0=A0 0000000000000002 ffff800000000000 0000000000000073 0000000000442528
(XEN)=A0=A0=A0 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000256708
(XEN)=A0=A0=A0 000000010000e030 0000000000010006 00000000002ca0c8 000000000000e02b
(XEN)=A0=A0=A0 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a494847
(XEN)=A0=A0=A0 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000000074
(XEN)=A0=A0=A0 00000000002566a0 00000000002ca118 00000000002561bc 7561662065676150
(XEN)=A0=A0=A0 696c20746120746c 646461207261656e 3062642073736572 706972202c306433
(XEN)=A0=A0=A0 2c38303736353220 3030207367657220 3030303030303030 202c383333616332
(XEN)=A0=A0=A0 6533616332207073 735f72756f202c38 3030303030302070 3261633230303030
(XEN)=A0=A0=A0 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f686374614d
(XEN)=A0=A0=A0 0200006572756c69 0000000000000073 0000000000000000 ffffffffffffffef
(XEN)=A0=A0=A0 0000000000000000 00000000002ca2e8 0000000000000000 00000011238fa000
(XEN)=A0=A0=A0 0000000000000074 00000000002ca338 000000000025630a 636f6c625f737953
(XEN)=A0=A0=A0 0000003000000030 00000000002ca2e0 00000000002ca218 ffffffffffffffeb
(XEN)=A0=A0=A0 0000000000db03d0 0000000000256708 00000000002ca338 00000000002ca3e8
(XEN)=A0=A0=A0 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665646e55
(XEN)=A0=A0=A0 7372756365725f64 75646f6d5f657669 050000000000656c 00000000003df368

I've tried to destroy/create multiple times the same unikernel and I always receive the same error. When running on Unix I don't bump into this issue, even when fetching and parsing multiple MB of data.<= br>
By filling my code with logs, I figured out where exactly the unikernel stops. Specifically during the JSON response parsing (I'm using the YoJson library):

let directExtractionn rawJson =3D
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Log.info (fun f -> f "Initializing = direct extraction");
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 let json =3D Yojson.Basic.from_stri= ng rawJson in
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 let result =3D [json] |> filter_= member "results" |> flatten |> filter_member "series"
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 |> flatten |> filter_member "= values" |> flatten in
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 List.map (
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 fun item ->
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 let datapoint =3D match item |> index 1 with
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `String a -> a
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `Float f -> string_of_float f
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `Int i -> string_of_float (float_of_int i)
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `Bool b -> string_of_bool b
= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 in
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 datapoint
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ) result |> computeAverage >&= gt;=3D fun aver ->
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 log_lwt ~inject:(fun f -> f "Res= ult %f" aver)

I know that probably my code is not really optimized and clean but I'm quite shocked to see that my unikernel crashes when it has to extract roughly 3500 datapoints (it's more or less the threshold at which it crashes). The function computeAverage is not even called. If I run the same code on Unix I can parse and process up to a 1M datapoints in less than a second. I've also tried to increase the number of vcpus and memory, but nothing changed (16 vcpus and 4GB of memory).

I would like to add that this threshold changes depending on the host machine:

- Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Network Interface) -> Threshold is around 107Kb
- Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network Interface) -> Threshold is around 33Kb
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X-VirusChecked: Checked Received: (qmail 40662 invoked from network); 14 Dec 2016 11:34:50 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-14.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 11:34:50 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id 141761C1315; Wed, 14 Dec 2016 12:34:49 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id F1DEE1C1311 for ; Wed, 14 Dec 2016 12:34:45 +0100 (CET) (Extended-Queue-bit tech_gkbta@fff.in.tum.de) To: "mirageos-devel@lists.xenproject.org" From: Vittorio Cozzolino Message-ID: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> Date: Wed, 14 Dec 2016 12:35:35 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1035966288164020168==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============1035966288164020168== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms080606020509030002000002" This is a cryptographically signed message in MIME format. --------------ms080606020509030002000002 Content-Type: multipart/alternative; boundary="------------98F83BF57C6AA058043AE92E" This is a multi-part message in MIME format. --------------98F83BF57C6AA058043AE92E Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: quoted-printable Hi, I'm running a unikernel on XEN that basically accesses a remote DB,=20 fetches and computes some data, sends out the result. Apparently, if I=20 try to fetch and parse a JSON response greater than a empirically found=20 threshold (details at the bottom of the email), the PVM XEN unikernel=20 just crashes and this is wait I see when running *sudo xl dmesg*: (XEN) Pagetable walk from 00000000002c9ff8: (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be=20 create_bounce_frame+0x66/0x13a (XEN) Domain 23 (vcpu#0) crashed on cpu#17: (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- (XEN) CPU: 17 (XEN) RIP: e033:[<0000000000258cf4>] (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: 00000000000000= 73 (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: 00000000002ca0= 18 (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: 000000000000000= 2 (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: 00000000000000= 00 (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: 00000011238fa0= 00 (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: 00000000001526= e0 (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 (XEN) Guest stack trace from rsp=3D00000000002ca000: (XEN) 00000000002ca118 0000000000000000 000000000025933f 0000000000000= 074 (XEN) 00000011238fa000 0000000000000000 00000000002ca118 00000000002ca= 1e8 (XEN) 0000000000000000 0000000000000000 0000000000000007 0000000000000= 007 (XEN) 0000000000000002 ffff800000000000 0000000000000073 0000000000442= 528 (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000256= 708 (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 000000000000e= 02b (XEN) 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a494= 847 (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000000= 074 (XEN) 00000000002566a0 00000000002ca118 00000000002561bc 7561662065676= 150 (XEN) 696c20746120746c 646461207261656e 3062642073736572 706972202c306= 433 (XEN) 2c38303736353220 3030207367657220 3030303030303030 202c383333616= 332 (XEN) 6533616332207073 735f72756f202c38 3030303030302070 3261633230303= 030 (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f6863746= 14d (XEN) 0200006572756c69 0000000000000073 0000000000000000 fffffffffffff= fef (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 00000011238fa= 000 (XEN) 0000000000000074 00000000002ca338 000000000025630a 636f6c625f737= 953 (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 fffffffffffff= feb (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 00000000002ca= 3e8 (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665646= e55 (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c 00000000003df= 368 I've tried to destroy/create multiple times the same unikernel and I=20 always receive the same error. When running on Unix I don't bump into=20 this issue, even when fetching and parsing multiple MB of data. By filling my code with logs, I figured out where exactly the unikernel=20 stops. Specifically during the JSON response parsing (I'm using the=20 YoJson library): let directExtractionn rawJson =3D Log.info (fun f -> f "Initializing direct extraction"); let json =3D Yojson.Basic.from_string rawJson in let result =3D [json] |> filter_member "results" |> flatten = |> filter_member "series" |> flatten |> filter_member "values" |> flatten in List.map ( fun item -> let datapoint =3D match item |> index 1 = with | `String a -> a | `Float f -> string_of_float f | `Int i -> string_of_float=20 (float_of_int i) | `Bool b -> string_of_bool b in datapoint ) result |> computeAverage >>=3D fun aver -> log_lwt ~inject:(fun f -> f "Result %f" aver) I know that probably my code is not really optimized and clean but I'm=20 quite shocked to see that my unikernel crashes when it has to extract=20 roughly 3500 datapoints (it's more or less the threshold at which it=20 crashes). The function computeAverage is not even called. If I run the=20 same code on Unix I can parse and process up to a 1M datapoints in less=20 than a second. I've also tried to increase the number of vcpus and=20 memory, but nothing changed (16 vcpus and 4GB of memory). I would like to add that this threshold changes depending on the host=20 machine: - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB=20 Network Interface) -> Threshold is around 107Kb - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network=20 Interface) -> Threshold is around 33Kb --------------98F83BF57C6AA058043AE92E Content-Type: text/html; charset=iso-8859-15 Content-Transfer-Encoding: quoted-printable Hi,
I'm running a unikernel on XEN that basically accesses a remote DB, fetches and computes some data, sends out the result. Apparently, if I try to fetch and parse a JSON response greater than a empirically found threshold (details at the bottom of the email), the PVM XEN unikernel just crashes and this is wait I see when running sudo xl dmesg:

(XEN) Pagetable walk from 00000000002c9ff8:
(XEN)=A0 L4[0x000] =3D 00000010b5f67067 0000000000000567
(XEN)=A0 L3[0x000] =3D 00000010b5f68067 0000000000000568
(XEN)=A0 L2[0x001] =3D 00000010b5f6a067 000000000000056a
(XEN)=A0 L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9
(XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be create_bounce_frame+0x66/0x13a
(XEN) Domain 23 (vcpu#0) crashed on cpu#17:
(XEN) ----[ Xen-4.6.0=A0 x86_64=A0 debug=3Dn=A0 Not tainted ]----
= (XEN) CPU:=A0=A0=A0 17
(XEN) RIP:=A0=A0=A0 e033:[<0000000000258cf4>]
(XEN) RFLAGS: 0000000000010206=A0=A0 EM: 1=A0=A0 CONTEXT: pv guest (d= 23v0)
(XEN) rax: 0000000000258cf0=A0=A0 rbx: 0000000000000000=A0=A0 rcx: 0000000000000073
(XEN) rdx: 0000000000442528=A0=A0 rsi: 0000000000000000=A0=A0 rdi: 00000000002ca018
(XEN) rbp: 00000000002ca1e8=A0=A0 rsp: 00000000002ca000=A0=A0 r8:=A0 0000000000000002
(XEN) r9:=A0 0000000000000007=A0=A0 r10: 0000000000000007=A0=A0 r11: 0000000000000000
(XEN) r12: 00000000002ca118=A0=A0 r13: 0000000000000000=A0=A0 r14: 00000011238fa000
(XEN) r15: 0000000000000074=A0=A0 cr0: 0000000080050033=A0=A0 cr4: 00000000001526e0
(XEN) cr3: 00000010b5f66000=A0=A0 cr2: 00000000002c9ff8
(XEN) ds: 0000=A0=A0 es: 0000=A0=A0 fs: 0000=A0=A0 gs: 0000=A0=A0 ss:= e02b=A0=A0 cs: e033
(XEN) Guest stack trace from rsp=3D00000000002ca000:
(XEN)=A0=A0=A0 00000000002ca118 0000000000000000 000000000025933f 0000000000000074
(XEN)=A0=A0=A0 00000011238fa000 0000000000000000 00000000002ca118 00000000002ca1e8
(XEN)=A0=A0=A0 0000000000000000 0000000000000000 0000000000000007 0000000000000007
(XEN)=A0=A0=A0 0000000000000002 ffff800000000000 0000000000000073 0000000000442528
(XEN)=A0=A0=A0 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000256708
(XEN)=A0=A0=A0 000000010000e030 0000000000010006 00000000002ca0c8 000000000000e02b
(XEN)=A0=A0=A0 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a494847
(XEN)=A0=A0=A0 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000000074
(XEN)=A0=A0=A0 00000000002566a0 00000000002ca118 00000000002561bc 7561662065676150
(XEN)=A0=A0=A0 696c20746120746c 646461207261656e 3062642073736572 706972202c306433
(XEN)=A0=A0=A0 2c38303736353220 3030207367657220 3030303030303030 202c383333616332
(XEN)=A0=A0=A0 6533616332207073 735f72756f202c38 3030303030302070 3261633230303030
(XEN)=A0=A0=A0 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f686374614d
(XEN)=A0=A0=A0 0200006572756c69 0000000000000073 0000000000000000 ffffffffffffffef
(XEN)=A0=A0=A0 0000000000000000 00000000002ca2e8 0000000000000000 00000011238fa000
(XEN)=A0=A0=A0 0000000000000074 00000000002ca338 000000000025630a 636f6c625f737953
(XEN)=A0=A0=A0 0000003000000030 00000000002ca2e0 00000000002ca218 ffffffffffffffeb
(XEN)=A0=A0=A0 0000000000db03d0 0000000000256708 00000000002ca338 00000000002ca3e8
(XEN)=A0=A0=A0 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665646e55
(XEN)=A0=A0=A0 7372756365725f64 75646f6d5f657669 050000000000656c 00000000003df368

I've tried to destroy/create multiple times the same unikernel and I always receive the same error. When running on Unix I don't bump into this issue, even when fetching and parsing multiple MB of data.<= br>
By filling my code with logs, I figured out where exactly the unikernel stops. Specifically during the JSON response parsing (I'm using the YoJson library):

let directExtractionn rawJson =3D
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Log.info (fun f -> f "Initializing = direct extraction");
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 let json =3D Yojson.Basic.from_stri= ng rawJson in
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 let result =3D [json] |> filter_= member "results" |> flatten |> filter_member "series"
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 |> flatten |> filter_member "= values" |> flatten in
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 List.map (
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 fun item ->
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 let datapoint =3D match item |> index 1 with
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `String a -> a
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `Float f -> string_of_float f
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `Int i -> string_of_float (float_of_int i)
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 | `Bool b -> string_of_bool b
= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 in
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0 datapoint
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ) result |> computeAverage >&= gt;=3D fun aver ->
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 log_lwt ~inject:(fun f -> f "Res= ult %f" aver)

I know that probably my code is not really optimized and clean but I'm quite shocked to see that my unikernel crashes when it has to extract roughly 3500 datapoints (it's more or less the threshold at which it crashes). The function computeAverage is not even called. If I run the same code on Unix I can parse and process up to a 1M datapoints in less than a second. I've also tried to increase the number of vcpus and memory, but nothing changed (16 vcpus and 4GB of memory).

I would like to add that this threshold changes depending on the host machine:

- Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Network Interface) -> Threshold is around 107Kb
- Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network Interface) -> Threshold is around 33Kb
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(qmail 23450 invoked from network); 14 Dec 2016 11:46:09 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 11:46:09 -0000 Received: from bark.recoil.org (localhost [127.0.0.1]) by bark.recoil.org (OpenSMTPD) with ESMTP id e739a0f2; Wed, 14 Dec 2016 11:46:09 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=recoil.org; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; s= selector1; bh=PPxdrszrloF/mARtJS38bV55TRo=; b=QELf7OEYVugTpSws9A AMTfATR5nojega6et7xrmkr++nISIvTu9vsk7+RkJsr82OQP7BRAzzypV/RFDbCC KXQwy331ir1aWdGnYEipPx2jrs+22T3Dgvjbc4Oy1KY89haINAWkfHXSZwZfxyYl mJZ+YR16Z2NZQS9bYdkcUuivc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=recoil.org; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; q=dns; s= selector1; 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, List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" Cj4gT24gMTQgRGVjIDIwMTYsIGF0IDExOjM1LCBWaXR0b3JpbyBDb3p6b2xpbm8gPHZpdHRvcmlv LmNvenpvbGlub0Bpbi50dW0uZGU+IHdyb3RlOgo+IAo+IEhpLAo+IEknbSBydW5uaW5nIGEgdW5p a2VybmVsIG9uIFhFTiB0aGF0IGJhc2ljYWxseSBhY2Nlc3NlcyBhIHJlbW90ZSBEQiwgZmV0Y2hl cyBhbmQgY29tcHV0ZXMgc29tZSBkYXRhLCBzZW5kcyBvdXQgdGhlIHJlc3VsdC4gQXBwYXJlbnRs eSwgaWYgSSB0cnkgdG8gZmV0Y2ggYW5kIHBhcnNlIGEgSlNPTiByZXNwb25zZSBncmVhdGVyIHRo YW4gYSBlbXBpcmljYWxseSBmb3VuZCB0aHJlc2hvbGQgKGRldGFpbHMgYXQgdGhlIGJvdHRvbSBv ZiB0aGUgZW1haWwpLCB0aGUgUFZNIFhFTiB1bmlrZXJuZWwganVzdCBjcmFzaGVzIGFuZCB0aGlz IGlzIHdhaXQgSSBzZWUgd2hlbiBydW5uaW5nIHN1ZG8geGwgZG1lc2c6Cj4gCj4gKFhFTikgUGFn ZXRhYmxlIHdhbGsgZnJvbSAwMDAwMDAwMDAwMmM5ZmY4Ogo+IChYRU4pICBMNFsweDAwMF0gPSAw MDAwMDAxMGI1ZjY3MDY3IDAwMDAwMDAwMDAwMDA1NjcKPiAoWEVOKSAgTDNbMHgwMDBdID0gMDAw 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b=HtKkLN4gDu0mZhtOvGoQi8UOSMJ6yOovsWcuIbmpHTlaQ4lWkAT y/GlzNtK0fP6hOl3iYvZaECCUe+R2nU7+ayc/zuZ2Kb4wQie08K1dxVdqUze4xr5 fOUWOfxtWzMdZWwSZPyC2FeZHW82ZEQ3Kxk3QvTpMk36KIhaHK64HfVY= Received: from dock.cam.docker.com (mail.astons-coaches.co.uk [194.72.166.2]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 087a2033 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Wed, 14 Dec 2016 11:46:09 +0000 (GMT) Mime-Version: 1.0 (Mac OS X Mail 10.1 \(3251\)) From: Anil Madhavapeddy In-Reply-To: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> Date: Wed, 14 Dec 2016 11:46:08 +0000 Message-Id: References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> To: Vittorio Cozzolino X-Mailer: Apple Mail (2.3251) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" Cj4gT24gMTQgRGVjIDIwMTYsIGF0IDExOjM1LCBWaXR0b3JpbyBDb3p6b2xpbm8gPHZpdHRvcmlv LmNvenpvbGlub0Bpbi50dW0uZGU+IHdyb3RlOgo+IAo+IEhpLAo+IEknbSBydW5uaW5nIGEgdW5p a2VybmVsIG9uIFhFTiB0aGF0IGJhc2ljYWxseSBhY2Nlc3NlcyBhIHJlbW90ZSBEQiwgZmV0Y2hl cyBhbmQgY29tcHV0ZXMgc29tZSBkYXRhLCBzZW5kcyBvdXQgdGhlIHJlc3VsdC4gQXBwYXJlbnRs eSwgaWYgSSB0cnkgdG8gZmV0Y2ggYW5kIHBhcnNlIGEgSlNPTiByZXNwb25zZSBncmVhdGVyIHRo YW4gYSBlbXBpcmljYWxseSBmb3VuZCB0aHJlc2hvbGQgKGRldGFpbHMgYXQgdGhlIGJvdHRvbSBv ZiB0aGUgZW1haWwpLCB0aGUgUFZNIFhFTiB1bmlrZXJuZWwganVzdCBjcmFzaGVzIGFuZCB0aGlz IGlzIHdhaXQgSSBzZWUgd2hlbiBydW5uaW5nIHN1ZG8geGwgZG1lc2c6Cj4gCj4gKFhFTikgUGFn ZXRhYmxlIHdhbGsgZnJvbSAwMDAwMDAwMDAwMmM5ZmY4Ogo+IChYRU4pICBMNFsweDAwMF0gPSAw MDAwMDAxMGI1ZjY3MDY3IDAwMDAwMDAwMDAwMDA1NjcKPiAoWEVOKSAgTDNbMHgwMDBdID0gMDAw 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dHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21h aWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Dec 14 11:55:52 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Dec 2016 11:55:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cH8A2-0003qD-EP; Wed, 14 Dec 2016 11:55:50 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cH8A1-0003q0-0W for mirageos-devel@lists.xenproject.org; Wed, 14 Dec 2016 11:55:49 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 0E/1C-16730-44331585; Wed, 14 Dec 2016 11:55:48 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrHIsWRWlGSWpSXmKPExsXSPJ+BQ9fZODD C4HqERW/rXRYHRo/DH66wBDBGsWbmJeVXJLBm3PxznqngSHbFwSltzA2M0xO6GDk5hARyJZ5N 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X-VirusChecked: Checked Received: (qmail 18193 invoked from network); 14 Dec 2016 11:55:46 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-4.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 11:55:46 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id D13701C1315; Wed, 14 Dec 2016 12:55:45 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id E82371C1311; Wed, 14 Dec 2016 12:55:42 +0100 (CET) (Extended-Queue-bit tech_dnnzq@fff.in.tum.de) To: Anil Madhavapeddy References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Vittorio Cozzolino Message-ID: <5b6b201e-5ad8-1eb8-e5b9-deb84dcc54c9@in.tum.de> Date: Wed, 14 Dec 2016 12:56:33 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5018827012680929504==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============5018827012680929504== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms040508080503090105080206" This is a cryptographically signed message in MIME format. --------------ms040508080503090105080206 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Hi Anil, thanks for the answer. On both my test machine I have Ocaml 4.02.3 and=20 Mirage 2.9.1. Best regards, Vittorio Il 14/12/2016 12:46, Anil Madhavapeddy ha scritto: >> On 14 Dec 2016, at 11:35, Vittorio Cozzolino wrote: >> >> Hi, >> I'm running a unikernel on XEN that basically accesses a remote DB, fe= tches and computes some data, sends out the result. Apparently, if I try = to fetch and parse a JSON response greater than a empirically found thres= hold (details at the bottom of the email), the PVM XEN unikernel just cra= shes and this is wait I see when running sudo xl dmesg: >> >> (XEN) Pagetable walk from 00000000002c9ff8: >> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be= create_bounce_frame+0x66/0x13a >> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >> (XEN) CPU: 17 >> (XEN) RIP: e033:[<0000000000258cf4>] >> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) >> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: 00000000000= 00073 >> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: 00000000002= ca018 >> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: 00000000000= 00002 >> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: 00000000000= 00000 >> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: 00000011238= fa000 >> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: 00000000001= 526e0 >> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 >> (XEN) Guest stack trace from rsp=3D00000000002ca000: >> (XEN) 00000000002ca118 0000000000000000 000000000025933f 0000000000= 000074 >> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 0000000000= 2ca1e8 >> (XEN) 0000000000000000 0000000000000000 0000000000000007 0000000000= 000007 >> (XEN) 0000000000000002 ffff800000000000 0000000000000073 0000000000= 442528 >> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000= 256708 >> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 0000000000= 00e02b >> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a= 494847 >> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000= 000074 >> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc 7561662065= 676150 >> (XEN) 696c20746120746c 646461207261656e 3062642073736572 706972202c= 306433 >> (XEN) 2c38303736353220 3030207367657220 3030303030303030 202c383333= 616332 >> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 3261633230= 303030 >> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f6863= 74614d >> (XEN) 0200006572756c69 0000000000000073 0000000000000000 ffffffffff= ffffef >> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 0000001123= 8fa000 >> (XEN) 0000000000000074 00000000002ca338 000000000025630a 636f6c625f= 737953 >> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 ffffffffff= ffffeb >> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 0000000000= 2ca3e8 >> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665= 646e55 >> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c 0000000000= 3df368 >> >> I've tried to destroy/create multiple times the same unikernel and I a= lways receive the same error. When running on Unix I don't bump into this= issue, even when fetching and parsing multiple MB of data. >> >> By filling my code with logs, I figured out where exactly the unikerne= l stops. Specifically during the JSON response parsing (I'm using the YoJ= son library): >> >> let directExtractionn rawJson =3D >> Log.info (fun f -> f "Initializing direct extraction"); >> let json =3D Yojson.Basic.from_string rawJson in >> let result =3D [json] |> filter_member "results" |> flatt= en |> filter_member "series" >> |> flatten |> filter_member "values" |> flatten in >> List.map ( >> fun item -> >> let datapoint =3D match item |> index= 1 with >> | `String a -> a >> | `Float f -> string_of_float f >> | `Int i -> string_of_float (floa= t_of_int i) >> | `Bool b -> string_of_bool b >> in >> datapoint >> ) result |> computeAverage >>=3D fun aver -> >> log_lwt ~inject:(fun f -> f "Result %f" aver) >> >> I know that probably my code is not really optimized and clean but I'm= quite shocked to see that my unikernel crashes when it has to extract ro= ughly 3500 datapoints (it's more or less the threshold at which it crashe= s). The function computeAverage is not even called. If I run the same cod= e on Unix I can parse and process up to a 1M datapoints in less than a se= cond. I've also tried to increase the number of vcpus and memory, but not= hing changed (16 vcpus and 4GB of memory). >> >> I would like to add that this threshold changes depending on the host = machine: >> >> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Netw= ork Interface) -> Threshold is around 107Kb >> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network Int= erface) -> Threshold is around 33Kb > Hi Vittorio, > > This is clearly a bug :-) To help us diagnose it, which version of Mir= age were you building with? The released Mirage 2.9.1, or the developmen= t branch on https://github.com/mirage/mirage-dev? Also which version of = OCaml was in use? > > regards, > Anil --=20 Vittorio Cozzolino, M.Eng. Technische Universit=E4t M=FCnchen - Institut f=FCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms040508080503090105080206 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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X-Originating-IP: [131.159.0.8] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18193 invoked from network); 14 Dec 2016 11:55:46 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-4.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 11:55:46 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id D13701C1315; Wed, 14 Dec 2016 12:55:45 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id E82371C1311; Wed, 14 Dec 2016 12:55:42 +0100 (CET) (Extended-Queue-bit tech_dnnzq@fff.in.tum.de) To: Anil Madhavapeddy References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Vittorio Cozzolino Message-ID: <5b6b201e-5ad8-1eb8-e5b9-deb84dcc54c9@in.tum.de> Date: Wed, 14 Dec 2016 12:56:33 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5018827012680929504==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============5018827012680929504== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms040508080503090105080206" This is a cryptographically signed message in MIME format. --------------ms040508080503090105080206 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Hi Anil, thanks for the answer. On both my test machine I have Ocaml 4.02.3 and=20 Mirage 2.9.1. Best regards, Vittorio Il 14/12/2016 12:46, Anil Madhavapeddy ha scritto: >> On 14 Dec 2016, at 11:35, Vittorio Cozzolino wrote: >> >> Hi, >> I'm running a unikernel on XEN that basically accesses a remote DB, fe= tches and computes some data, sends out the result. Apparently, if I try = to fetch and parse a JSON response greater than a empirically found thres= hold (details at the bottom of the email), the PVM XEN unikernel just cra= shes and this is wait I see when running sudo xl dmesg: >> >> (XEN) Pagetable walk from 00000000002c9ff8: >> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be= create_bounce_frame+0x66/0x13a >> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >> (XEN) CPU: 17 >> (XEN) RIP: e033:[<0000000000258cf4>] >> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) >> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: 00000000000= 00073 >> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: 00000000002= ca018 >> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: 00000000000= 00002 >> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: 00000000000= 00000 >> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: 00000011238= fa000 >> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: 00000000001= 526e0 >> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 >> (XEN) Guest stack trace from rsp=3D00000000002ca000: >> (XEN) 00000000002ca118 0000000000000000 000000000025933f 0000000000= 000074 >> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 0000000000= 2ca1e8 >> (XEN) 0000000000000000 0000000000000000 0000000000000007 0000000000= 000007 >> (XEN) 0000000000000002 ffff800000000000 0000000000000073 0000000000= 442528 >> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000= 256708 >> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 0000000000= 00e02b >> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a= 494847 >> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000= 000074 >> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc 7561662065= 676150 >> (XEN) 696c20746120746c 646461207261656e 3062642073736572 706972202c= 306433 >> (XEN) 2c38303736353220 3030207367657220 3030303030303030 202c383333= 616332 >> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 3261633230= 303030 >> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f6863= 74614d >> (XEN) 0200006572756c69 0000000000000073 0000000000000000 ffffffffff= ffffef >> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 0000001123= 8fa000 >> (XEN) 0000000000000074 00000000002ca338 000000000025630a 636f6c625f= 737953 >> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 ffffffffff= ffffeb >> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 0000000000= 2ca3e8 >> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665= 646e55 >> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c 0000000000= 3df368 >> >> I've tried to destroy/create multiple times the same unikernel and I a= lways receive the same error. When running on Unix I don't bump into this= issue, even when fetching and parsing multiple MB of data. >> >> By filling my code with logs, I figured out where exactly the unikerne= l stops. Specifically during the JSON response parsing (I'm using the YoJ= son library): >> >> let directExtractionn rawJson =3D >> Log.info (fun f -> f "Initializing direct extraction"); >> let json =3D Yojson.Basic.from_string rawJson in >> let result =3D [json] |> filter_member "results" |> flatt= en |> filter_member "series" >> |> flatten |> filter_member "values" |> flatten in >> List.map ( >> fun item -> >> let datapoint =3D match item |> index= 1 with >> | `String a -> a >> | `Float f -> string_of_float f >> | `Int i -> string_of_float (floa= t_of_int i) >> | `Bool b -> string_of_bool b >> in >> datapoint >> ) result |> computeAverage >>=3D fun aver -> >> log_lwt ~inject:(fun f -> f "Result %f" aver) >> >> I know that probably my code is not really optimized and clean but I'm= quite shocked to see that my unikernel crashes when it has to extract ro= ughly 3500 datapoints (it's more or less the threshold at which it crashe= s). The function computeAverage is not even called. If I run the same cod= e on Unix I can parse and process up to a 1M datapoints in less than a se= cond. I've also tried to increase the number of vcpus and memory, but not= hing changed (16 vcpus and 4GB of memory). >> >> I would like to add that this threshold changes depending on the host = machine: >> >> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Netw= ork Interface) -> Threshold is around 107Kb >> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network Int= erface) -> Threshold is around 33Kb > Hi Vittorio, > > This is clearly a bug :-) To help us diagnose it, which version of Mir= age were you building with? The released Mirage 2.9.1, or the developmen= t branch on https://github.com/mirage/mirage-dev? Also which version of = OCaml was in use? > > regards, > Anil --=20 Vittorio Cozzolino, M.Eng. Technische Universit=E4t M=FCnchen - Institut f=FCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms040508080503090105080206 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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with HTTP; Wed, 14 Dec 2016 04:45:58 -0800 (PST) In-Reply-To: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Thomas Leonard Date: Wed, 14 Dec 2016 12:45:58 +0000 Message-ID: To: Vittorio Cozzolino Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjZW1iZXIgMjAxNiBhdCAxMTozNSwgVml0dG9yaW8gQ296em9saW5vCjx2aXR0b3Jp by5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiBIaSwKPiBJJ20gcnVubmluZyBhIHVuaWtl 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<80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Thomas Leonard Date: Wed, 14 Dec 2016 12:45:58 +0000 Message-ID: To: Vittorio Cozzolino Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjZW1iZXIgMjAxNiBhdCAxMTozNSwgVml0dG9yaW8gQ296em9saW5vCjx2aXR0b3Jp by5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiBIaSwKPiBJJ20gcnVubmluZyBhIHVuaWtl cm5lbCBvbiBYRU4gdGhhdCBiYXNpY2FsbHkgYWNjZXNzZXMgYSByZW1vdGUgREIsIGZldGNoZXMK 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14 Dec 2016 05:37:36 -0800 (PST) To: mirageos-devel@lists.xenproject.org From: Gabriel de Perthuis Message-ID: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> Date: Wed, 14 Dec 2016 14:37:35 +0100 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" SGVsbG8sCgpJJ20gYW5ub3VuY2luZyBJIGludGVuZCB0byB3b3JrIG9uIHRoZSBNaXJhZ2Ugc3Rv cmFnZSBzdGFjay4KClRoZXJlIGlzIGEgY2xlYXIgbmVlZCBmb3Igc29tZXRoaW5nIHRoYXQgc2l0 cyBvbiB0b3Agb2YgdGhlIEJMT0NLIEFQSQphbmQgcHJvdmlkZXMgaGlnaGVyLWxldmVsIGNhcGFi 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mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjIDIwMTYsIGF0IDEzOjM3LCBHYWJyaWVsIGRlIFBlcnRodWlzIDxnMnAuY29kZUBn bWFpbC5jb20+IHdyb3RlOgo+IAo+IEhlbGxvLAoKRGVhciBHYWJyaWVsLAoKPiBJJ20gYW5ub3Vu Y2luZyBJIGludGVuZCB0byB3b3JrIG9uIHRoZSBNaXJhZ2Ugc3RvcmFnZSBzdGFjay4KPiAKPiBU aGVyZSBpcyBhIGNsZWFyIG5lZWQgZm9yIHNvbWV0aGluZyB0aGF0IHNpdHMgb24gdG9wIG9mIHRo ZSBCTE9DSyBBUEkKPiBhbmQgcHJvdmlkZXMgaGlnaGVyLWxldmVsIGNhcGFiaWxpdGllcy4gIEkn bSBwbGFubmluZyB0byB3cml0ZSBhCj4gc3RvcmFnZSBsaWJyYXJ5IHRoYXQgcHJvdmlkZXMgYSBr ZXktdmFsdWUgc3RvcmUgKHdpdGggZml4ZWQtc2l6ZSBrZXlzKQo+IGFuZCBhbiBJcm1pbiBiYWNr 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Date: Wed, 14 Dec 2016 13:42:45 +0000 Message-Id: References: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> To: Gabriel de Perthuis X-Mailer: Apple Mail (2.3251) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjIDIwMTYsIGF0IDEzOjM3LCBHYWJyaWVsIGRlIFBlcnRodWlzIDxnMnAuY29kZUBn bWFpbC5jb20+IHdyb3RlOgo+IAo+IEhlbGxvLAoKRGVhciBHYWJyaWVsLAoKPiBJJ20gYW5ub3Vu Y2luZyBJIGludGVuZCB0byB3b3JrIG9uIHRoZSBNaXJhZ2Ugc3RvcmFnZSBzdGFjay4KPiAKPiBU aGVyZSBpcyBhIGNsZWFyIG5lZWQgZm9yIHNvbWV0aGluZyB0aGF0IHNpdHMgb24gdG9wIG9mIHRo ZSBCTE9DSyBBUEkKPiBhbmQgcHJvdmlkZXMgaGlnaGVyLWxldmVsIGNhcGFiaWxpdGllcy4gIEkn 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4.84_2) (envelope-from ) id 1cHBO5-0008NW-Ui; Wed, 14 Dec 2016 15:22:33 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHBO5-0008NH-1P for mirageos-devel@lists.xenproject.org; Wed, 14 Dec 2016 15:22:33 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 0C/C6-08140-8B361585; Wed, 14 Dec 2016 15:22:32 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLIsWRWlGSWpSXmKPExsXSPJ+BQ3dbcmC EwfszZha9rXdZHBg9Dn+4whLAGMWamZeUX5HAmnHsEV/BvLKK/0d2sTUwvszoYuTkEBLIlZj3 YzdrFyMXkL2LUeLVtV3MIAlhgTKJyS0T2EBsEQFVifb7V9ggipoYJdZOvMrUxcjBwSwQIHH+U xBIDZuAuURf234WkDCvgI3EtpO+ICYLUOviJjmQClGBGImPy48wgti8AoISJ2c+YQGxOQUCJX b82sUOMp1ZoJNRYvbyNsYJjLyzkNTNQpYDSTALmEnM2/yQGcLWlli28DWUbS0x49dBNghbUWJ K90N2CNtU4vXRj1C9+hKfb+xhW8DIsYpRozi1qCy1SNfIQi+pKDM9oyQ3MTNH19DAWC83tbg4 MT01JzGpWC85P3cTIzCY6xkYGHcwtp/wO8QoycGkJMq7VS8wQogvKT+lMiOxOCO+qDQntfgQo 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E26E91C1318; Wed, 14 Dec 2016 16:22:29 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id 177611C1319; Wed, 14 Dec 2016 16:11:16 +0100 (CET) (Extended-Queue-bit tech_yxyss@fff.in.tum.de) To: Thomas Leonard References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Vittorio Cozzolino Message-ID: Date: Wed, 14 Dec 2016 16:12:05 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3569526080907165596==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============3569526080907165596== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms000002090608040708090800" This is a cryptographically signed message in MIME format. --------------ms000002090608040708090800 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Hi Thomas, I've tried a few things: - `Gc.full_major()` unfortunately doesn't help. - Looking at the address pointed by the RIP at the moment of the=20 exception, I can see this instruction: 25605f: e8 7c ad ff ff callq 250de0 I don't know how useful can it be, considering that I can trigger the=20 same crash by actually changing the code and, in this case, the=20 references instruction would be something totally different (like a=20 movel, push). Maybe the instruction type is not much related to the=20 crash itself? I feel like it doesn't make much sense.. - Regarding in-lining the raw data in the code, I'm still working on it. = Actually I don't fully understand what you mean, are you suggesting=20 de-structuring the JSON format and insert into my code directly a=20 list/array of values? Or copying the JSON output directly inside my code = as a static variable? I've tried the latter and the error persists. I=20 will build the list of static values and see what happens. Anyway, whatever I do with the retrieved JSON (even List.iter with an=20 empty function body), the unikernel crashes. I have the impression that=20 as soon as I try to access the variable containing the JSON value the=20 system crash is triggered. Best regards, Vittorio Il 14/12/2016 13:45, Thomas Leonard ha scritto: > On 14 December 2016 at 11:35, Vittorio Cozzolino > wrote: >> Hi, >> I'm running a unikernel on XEN that basically accesses a remote DB, fe= tches >> and computes some data, sends out the result. Apparently, if I try to = fetch >> and parse a JSON response greater than a empirically found threshold >> (details at the bottom of the email), the PVM XEN unikernel just crash= es and >> this is wait I see when running sudo xl dmesg: >> >> (XEN) Pagetable walk from 00000000002c9ff8: >> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be= >> create_bounce_frame+0x66/0x13a >> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >> (XEN) CPU: 17 >> (XEN) RIP: e033:[<0000000000258cf4>] >> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) >> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: 00000000000= 00073 >> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: 00000000002= ca018 >> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: 00000000000= 00002 >> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: 00000000000= 00000 >> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: 00000011238= fa000 >> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: 00000000001= 526e0 >> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 >> (XEN) Guest stack trace from rsp=3D00000000002ca000: >> (XEN) 00000000002ca118 0000000000000000 000000000025933f 0000000000= 000074 >> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 0000000000= 2ca1e8 >> (XEN) 0000000000000000 0000000000000000 0000000000000007 0000000000= 000007 >> (XEN) 0000000000000002 ffff800000000000 0000000000000073 0000000000= 442528 >> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000= 256708 >> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 0000000000= 00e02b >> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a= 494847 >> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000= 000074 >> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc 7561662065= 676150 >> (XEN) 696c20746120746c 646461207261656e 3062642073736572 706972202c= 306433 >> (XEN) 2c38303736353220 3030207367657220 3030303030303030 202c383333= 616332 >> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 3261633230= 303030 >> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f6863= 74614d >> (XEN) 0200006572756c69 0000000000000073 0000000000000000 ffffffffff= ffffef >> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 0000001123= 8fa000 >> (XEN) 0000000000000074 00000000002ca338 000000000025630a 636f6c625f= 737953 >> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 ffffffffff= ffffeb >> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 0000000000= 2ca3e8 >> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665= 646e55 >> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c 0000000000= 3df368 >> >> I've tried to destroy/create multiple times the same unikernel and I a= lways >> receive the same error. When running on Unix I don't bump into this is= sue, >> even when fetching and parsing multiple MB of data. >> >> By filling my code with logs, I figured out where exactly the unikerne= l >> stops. Specifically during the JSON response parsing (I'm using the Yo= Json >> library): >> >> let directExtractionn rawJson =3D >> Log.info (fun f -> f "Initializing direct extraction"); >> let json =3D Yojson.Basic.from_string rawJson in >> let result =3D [json] |> filter_member "results" |> flatt= en |> >> filter_member "series" >> |> flatten |> filter_member "values" |> flatten in >> List.map ( >> fun item -> >> let datapoint =3D match item |> index= 1 with >> | `String a -> a >> | `Float f -> string_of_float f >> | `Int i -> string_of_float >> (float_of_int i) >> | `Bool b -> string_of_bool b >> in >> datapoint >> ) result |> computeAverage >>=3D fun aver -> >> log_lwt ~inject:(fun f -> f "Result %f" aver) >> >> I know that probably my code is not really optimized and clean but I'm= quite >> shocked to see that my unikernel crashes when it has to extract roughl= y 3500 >> datapoints (it's more or less the threshold at which it crashes). The >> function computeAverage is not even called. If I run the same code on = Unix I >> can parse and process up to a 1M datapoints in less than a second. I'v= e also >> tried to increase the number of vcpus and memory, but nothing changed = (16 >> vcpus and 4GB of memory). >> >> I would like to add that this threshold changes depending on the host >> machine: >> >> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Netw= ork >> Interface) -> Threshold is around 107Kb >> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network >> Interface) -> Threshold is around 33Kb > Can you simplify the case? For example, instead of fetching the JSON, > what if you in-line the raw data in your code and parse that? > > Does adding a `Gc.full_major ()` just before the crash help? That > might indicate we're running out of memory and failing to run the GC > for some reason. > > You could also use `objdump -d` or similar on the unikernel image and > see what the addresses in the stack trace correspond to. > > --=20 Vittorio Cozzolino, M.Eng. Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms000002090608040708090800 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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X-Originating-IP: [131.159.0.8] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1566 invoked from network); 14 Dec 2016 15:22:30 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-15.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 15:22:30 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id E26E91C1318; Wed, 14 Dec 2016 16:22:29 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id 177611C1319; Wed, 14 Dec 2016 16:11:16 +0100 (CET) (Extended-Queue-bit tech_yxyss@fff.in.tum.de) To: Thomas Leonard References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Vittorio Cozzolino Message-ID: Date: Wed, 14 Dec 2016 16:12:05 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3569526080907165596==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============3569526080907165596== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms000002090608040708090800" This is a cryptographically signed message in MIME format. --------------ms000002090608040708090800 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Hi Thomas, I've tried a few things: - `Gc.full_major()` unfortunately doesn't help. - Looking at the address pointed by the RIP at the moment of the=20 exception, I can see this instruction: 25605f: e8 7c ad ff ff callq 250de0 I don't know how useful can it be, considering that I can trigger the=20 same crash by actually changing the code and, in this case, the=20 references instruction would be something totally different (like a=20 movel, push). Maybe the instruction type is not much related to the=20 crash itself? I feel like it doesn't make much sense.. - Regarding in-lining the raw data in the code, I'm still working on it. = Actually I don't fully understand what you mean, are you suggesting=20 de-structuring the JSON format and insert into my code directly a=20 list/array of values? Or copying the JSON output directly inside my code = as a static variable? I've tried the latter and the error persists. I=20 will build the list of static values and see what happens. Anyway, whatever I do with the retrieved JSON (even List.iter with an=20 empty function body), the unikernel crashes. I have the impression that=20 as soon as I try to access the variable containing the JSON value the=20 system crash is triggered. Best regards, Vittorio Il 14/12/2016 13:45, Thomas Leonard ha scritto: > On 14 December 2016 at 11:35, Vittorio Cozzolino > wrote: >> Hi, >> I'm running a unikernel on XEN that basically accesses a remote DB, fe= tches >> and computes some data, sends out the result. Apparently, if I try to = fetch >> and parse a JSON response greater than a empirically found threshold >> (details at the bottom of the email), the PVM XEN unikernel just crash= es and >> this is wait I see when running sudo xl dmesg: >> >> (XEN) Pagetable walk from 00000000002c9ff8: >> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261be= >> create_bounce_frame+0x66/0x13a >> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >> (XEN) CPU: 17 >> (XEN) RIP: e033:[<0000000000258cf4>] >> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) >> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: 00000000000= 00073 >> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: 00000000002= ca018 >> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: 00000000000= 00002 >> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: 00000000000= 00000 >> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: 00000011238= fa000 >> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: 00000000001= 526e0 >> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 >> (XEN) Guest stack trace from rsp=3D00000000002ca000: >> (XEN) 00000000002ca118 0000000000000000 000000000025933f 0000000000= 000074 >> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 0000000000= 2ca1e8 >> (XEN) 0000000000000000 0000000000000000 0000000000000007 0000000000= 000007 >> (XEN) 0000000000000002 ffff800000000000 0000000000000073 0000000000= 442528 >> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff 0000000000= 256708 >> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 0000000000= 00e02b >> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 4e4d4c4b4a= 494847 >> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a 0000000000= 000074 >> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc 7561662065= 676150 >> (XEN) 696c20746120746c 646461207261656e 3062642073736572 706972202c= 306433 >> (XEN) 2c38303736353220 3030207367657220 3030303030303030 202c383333= 616332 >> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 3261633230= 303030 >> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc 61665f6863= 74614d >> (XEN) 0200006572756c69 0000000000000073 0000000000000000 ffffffffff= ffffef >> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 0000001123= 8fa000 >> (XEN) 0000000000000074 00000000002ca338 000000000025630a 636f6c625f= 737953 >> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 ffffffffff= ffffeb >> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 0000000000= 2ca3e8 >> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc 656e696665= 646e55 >> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c 0000000000= 3df368 >> >> I've tried to destroy/create multiple times the same unikernel and I a= lways >> receive the same error. When running on Unix I don't bump into this is= sue, >> even when fetching and parsing multiple MB of data. >> >> By filling my code with logs, I figured out where exactly the unikerne= l >> stops. Specifically during the JSON response parsing (I'm using the Yo= Json >> library): >> >> let directExtractionn rawJson =3D >> Log.info (fun f -> f "Initializing direct extraction"); >> let json =3D Yojson.Basic.from_string rawJson in >> let result =3D [json] |> filter_member "results" |> flatt= en |> >> filter_member "series" >> |> flatten |> filter_member "values" |> flatten in >> List.map ( >> fun item -> >> let datapoint =3D match item |> index= 1 with >> | `String a -> a >> | `Float f -> string_of_float f >> | `Int i -> string_of_float >> (float_of_int i) >> | `Bool b -> string_of_bool b >> in >> datapoint >> ) result |> computeAverage >>=3D fun aver -> >> log_lwt ~inject:(fun f -> f "Result %f" aver) >> >> I know that probably my code is not really optimized and clean but I'm= quite >> shocked to see that my unikernel crashes when it has to extract roughl= y 3500 >> datapoints (it's more or less the threshold at which it crashes). The >> function computeAverage is not even called. If I run the same code on = Unix I >> can parse and process up to a 1M datapoints in less than a second. I'v= e also >> tried to increase the number of vcpus and memory, but nothing changed = (16 >> vcpus and 4GB of memory). >> >> I would like to add that this threshold changes depending on the host >> machine: >> >> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Netw= ork >> Interface) -> Threshold is around 107Kb >> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network >> Interface) -> Threshold is around 33Kb > Can you simplify the case? For example, instead of fetching the JSON, > what if you in-line the raw data in your code and parse that? > > Does adding a `Gc.full_major ()` just before the crash help? That > might indicate we're running out of memory and failing to run the GC > for some reason. > > You could also use `objdump -d` or similar on the unikernel image and > see what the addresses in the stack trace correspond to. > > --=20 Vittorio Cozzolino, M.Eng. Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms000002090608040708090800 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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u194mr7886735wmd.79.1481729779496; Wed, 14 Dec 2016 07:36:19 -0800 (PST) MIME-Version: 1.0 Received: by 10.28.194.133 with HTTP; Wed, 14 Dec 2016 07:36:18 -0800 (PST) In-Reply-To: References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Thomas Leonard Date: Wed, 14 Dec 2016 15:36:18 +0000 Message-ID: To: Vittorio Cozzolino Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjZW1iZXIgMjAxNiBhdCAxNToxMiwgVml0dG9yaW8gQ296em9saW5vCjx2aXR0b3Jp by5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiBIaSBUaG9tYXMsCj4KPiBJJ3ZlIHRyaWVk 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Cozzolino Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjZW1iZXIgMjAxNiBhdCAxNToxMiwgVml0dG9yaW8gQ296em9saW5vCjx2aXR0b3Jp by5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiBIaSBUaG9tYXMsCj4KPiBJJ3ZlIHRyaWVk IGEgZmV3IHRoaW5nczoKPgo+IC0gYEdjLmZ1bGxfbWFqb3IoKWAgdW5mb3J0dW5hdGVseSBkb2Vz bid0IGhlbHAuCj4gLSBMb29raW5nIGF0IHRoZSBhZGRyZXNzIHBvaW50ZWQgYnkgdGhlIFJJUCBh dCB0aGUgbW9tZW50IG9mIHRoZSBleGNlcHRpb24sCj4gSSBjYW4gc2VlIHRoaXMgaW5zdHJ1Y3Rp b246Cj4KPiAyNTYwNWY6ICAgICAgIGU4IDdjIGFkIGZmIGZmICAgICAgICAgIGNhbGxxICAyNTBk 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cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id A3FC21C1311; Wed, 14 Dec 2016 17:12:29 +0100 (CET) (Extended-Queue-bit tech_ggens@fff.in.tum.de) To: Thomas Leonard References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Vittorio Cozzolino Message-ID: <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> Date: Wed, 14 Dec 2016 17:13:18 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7785834986317907257==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============7785834986317907257== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms060302000703060309040603" This is a cryptographically signed message in MIME format. --------------ms060302000703060309040603 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Ok, I've built a "lightweight" version of my original Unikernel, there is=20 basically only the code necessary to trigger the crash. Do I copy-paste the code here or somewhere else? I have already an issue = open here https://github.com/mirage/mirage/issues/731, should I updated=20 it and copy there the unikernel code? Best regards, Vittorio Il 14/12/2016 16:36, Thomas Leonard ha scritto: > On 14 December 2016 at 15:12, Vittorio Cozzolino > wrote: >> Hi Thomas, >> >> I've tried a few things: >> >> - `Gc.full_major()` unfortunately doesn't help. >> - Looking at the address pointed by the RIP at the moment of the excep= tion, >> I can see this instruction: >> >> 25605f: e8 7c ad ff ff callq 250de0 >> >> I don't know how useful can it be, considering that I can trigger the = same >> crash by actually changing the code and, in this case, the references >> instruction would be something totally different (like a movel, push).= Maybe >> the instruction type is not much related to the crash itself? I feel l= ike it >> doesn't make much sense.. > It would be more interesting to know the caller of this function, etc. > It's possible that it branched to an invalid address and started > executing random code at some point, so the actual location of the > crash might not help but things further up the stack might be useful. > >> - Regarding in-lining the raw data in the code, I'm still working on i= t. >> Actually I don't fully understand what you mean, are you suggesting >> de-structuring the JSON format and insert into my code directly a list= /array >> of values? Or copying the JSON output directly inside my code as a sta= tic >> variable? I've tried the latter and the error persists. I will build t= he >> list of static values and see what happens. > Yes, I mean putting the json in your code, as > > let raw_json =3D "..." > > If it still crashes with this, you can remove the database call. If it > still crashes, you can remove networking completely from your > unikernel. You can eliminate a lot of code quickly this way. > > If you can get a unikernel that just parses a JSON string and crashes, > other people can try it too and it should be easy to find the cause. > >> Anyway, whatever I do with the retrieved JSON (even List.iter with an = empty >> function body), the unikernel crashes. I have the impression that as s= oon as >> I try to access the variable containing the JSON value the system cras= h is >> triggered. >> >> Best regards, >> Vittorio >> >> >> Il 14/12/2016 13:45, Thomas Leonard ha scritto: >>> On 14 December 2016 at 11:35, Vittorio Cozzolino >>> wrote: >>>> Hi, >>>> I'm running a unikernel on XEN that basically accesses a remote DB, >>>> fetches >>>> and computes some data, sends out the result. Apparently, if I try t= o >>>> fetch >>>> and parse a JSON response greater than a empirically found threshold= >>>> (details at the bottom of the email), the PVM XEN unikernel just cra= shes >>>> and >>>> this is wait I see when running sudo xl dmesg: >>>> >>>> (XEN) Pagetable walk from 00000000002c9ff8: >>>> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >>>> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >>>> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >>>> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >>>> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261= be >>>> create_bounce_frame+0x66/0x13a >>>> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >>>> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >>>> (XEN) CPU: 17 >>>> (XEN) RIP: e033:[<0000000000258cf4>] >>>> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) >>>> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: >>>> 0000000000000073 >>>> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: >>>> 00000000002ca018 >>>> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: >>>> 0000000000000002 >>>> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: >>>> 0000000000000000 >>>> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: >>>> 00000011238fa000 >>>> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: >>>> 00000000001526e0 >>>> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >>>> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e03= 3 >>>> (XEN) Guest stack trace from rsp=3D00000000002ca000: >>>> (XEN) 00000000002ca118 0000000000000000 000000000025933f >>>> 0000000000000074 >>>> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 >>>> 00000000002ca1e8 >>>> (XEN) 0000000000000000 0000000000000000 0000000000000007 >>>> 0000000000000007 >>>> (XEN) 0000000000000002 ffff800000000000 0000000000000073 >>>> 0000000000442528 >>>> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff >>>> 0000000000256708 >>>> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 >>>> 000000000000e02b >>>> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 >>>> 4e4d4c4b4a494847 >>>> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a >>>> 0000000000000074 >>>> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc >>>> 7561662065676150 >>>> (XEN) 696c20746120746c 646461207261656e 3062642073736572 >>>> 706972202c306433 >>>> (XEN) 2c38303736353220 3030207367657220 3030303030303030 >>>> 202c383333616332 >>>> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 >>>> 3261633230303030 >>>> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc >>>> 61665f686374614d >>>> (XEN) 0200006572756c69 0000000000000073 0000000000000000 >>>> ffffffffffffffef >>>> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 >>>> 00000011238fa000 >>>> (XEN) 0000000000000074 00000000002ca338 000000000025630a >>>> 636f6c625f737953 >>>> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 >>>> ffffffffffffffeb >>>> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 >>>> 00000000002ca3e8 >>>> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc >>>> 656e696665646e55 >>>> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c >>>> 00000000003df368 >>>> >>>> I've tried to destroy/create multiple times the same unikernel and I= >>>> always >>>> receive the same error. When running on Unix I don't bump into this >>>> issue, >>>> even when fetching and parsing multiple MB of data. >>>> >>>> By filling my code with logs, I figured out where exactly the uniker= nel >>>> stops. Specifically during the JSON response parsing (I'm using the >>>> YoJson >>>> library): >>>> >>>> let directExtractionn rawJson =3D >>>> Log.info (fun f -> f "Initializing direct extraction");= >>>> let json =3D Yojson.Basic.from_string rawJson in >>>> let result =3D [json] |> filter_member "results" |> fl= atten |> >>>> filter_member "series" >>>> |> flatten |> filter_member "values" |> flatten in >>>> List.map ( >>>> fun item -> >>>> let datapoint =3D match item |> in= dex 1 >>>> with >>>> | `String a -> a >>>> | `Float f -> string_of_float = f >>>> | `Int i -> string_of_float >>>> (float_of_int i) >>>> | `Bool b -> string_of_bool b >>>> in >>>> datapoint >>>> ) result |> computeAverage >>=3D fun aver -> >>>> log_lwt ~inject:(fun f -> f "Result %f" aver) >>>> >>>> I know that probably my code is not really optimized and clean but I= 'm >>>> quite >>>> shocked to see that my unikernel crashes when it has to extract roug= hly >>>> 3500 >>>> datapoints (it's more or less the threshold at which it crashes). Th= e >>>> function computeAverage is not even called. If I run the same code o= n >>>> Unix I >>>> can parse and process up to a 1M datapoints in less than a second. I= 've >>>> also >>>> tried to increase the number of vcpus and memory, but nothing change= d (16 >>>> vcpus and 4GB of memory). >>>> >>>> I would like to add that this threshold changes depending on the hos= t >>>> machine: >>>> >>>> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Ne= twork >>>> Interface) -> Threshold is around 107Kb >>>> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network >>>> Interface) -> Threshold is around 33Kb >>> Can you simplify the case? For example, instead of fetching the JSON,= >>> what if you in-line the raw data in your code and parse that? >>> >>> Does adding a `Gc.full_major ()` just before the crash help? That >>> might indicate we're running out of memory and failing to run the GC >>> for some reason. >>> >>> You could also use `objdump -d` or similar on the unikernel image and= >>> see what the addresses in the stack trace correspond to. >>> >>> >> -- >> Vittorio Cozzolino, M.Eng. >> Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informati= k >> Office 01.05.041 >> Boltzmannstr. 3, 85748 Garching, Germany >> Tel: +49 89 289-17356 >> http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino >> >> > > --=20 Vittorio Cozzolino, M.Eng. Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms060302000703060309040603 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrHIsWRWlGSWpSXmKPExsXSPJ+BQ7coPzD CYOkpFove1rssDowehz9cYQlgjGLNzEvKr0hgzZh+ey1LweRWxoobv+6xNTAuLO1i5OQQEsiV WLDxOVMXIxeQvYtR4s/zc2wgCWGBMonJLRPAbBEBVYn2+1fYIIp+MUrMmdIN5HBwMAsESJz/F ARSwyZgLtHXtp8FxOYVsJFYMqeRCaSEBaj36twwkLCoQIzEx+VHGCFKBCVOznzCAlLCKRAoMb +1CmQ6s0Ano8S7lcvZJjDyzkJSNgtZDiTBLGAmMW/zQ2YIW1ti2cLXULa1xIxfB6FqFCWmdD9 kh7BNJV4f/cgIYetLfL6xh20BI8cqRvXi1KKy1CJdC72kosz0jJLcxMwcXUMDM73c1OLixPTU nMSkYr3k/NxNjMBwZgCCHYyzL/sfYpTkYFIS5d2qFxghxJeUn1KZkVicEV9UmpNafIhRhoNDS YL3fi5QTrAoNT21Ii0zBxhZMGkJDh4lEV6jHKA0b3FBYm5xZjpE6hSjopQ4bwJInwBIIqM0D6 4NFs2XGGWlhHkZgQ4R4ilILcrNLEGVf8UozsGoJMzrADKFJzOvBG76K6DFTECLRZf4gywuSUR ISTUwMjA91rolf+NAk6e8xDq7esUYr/j6zzvuOvbtC8+bKfSDRzMvN/Z81uJlv38VXb1Tejqy xHlx3ZNnGh1Jj3SXTbAvCmF1+vhK8feOKVfqXilfszK1NnGT/qr2k8tsO+8ar2nmh3LmMOToT Cl/uL6l2yhYZGV+sOMfv6j2KZ13/MIF15lZX9ZSYinOSDTUYi4qTgQA1N1RaeECAAA= X-Env-Sender: vittorio.cozzolino@in.tum.de X-Msg-Ref: server-12.tower-27.messagelabs.com!1481731953!75905290!1 X-Originating-IP: [131.159.0.8] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19284 invoked from network); 14 Dec 2016 16:12:33 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 16:12:33 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id 8C9C91C1315; Wed, 14 Dec 2016 17:12:32 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id A3FC21C1311; Wed, 14 Dec 2016 17:12:29 +0100 (CET) (Extended-Queue-bit tech_ggens@fff.in.tum.de) To: Thomas Leonard References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> From: Vittorio Cozzolino Message-ID: <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> Date: Wed, 14 Dec 2016 17:13:18 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7785834986317907257==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============7785834986317907257== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms060302000703060309040603" This is a cryptographically signed message in MIME format. --------------ms060302000703060309040603 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Ok, I've built a "lightweight" version of my original Unikernel, there is=20 basically only the code necessary to trigger the crash. Do I copy-paste the code here or somewhere else? I have already an issue = open here https://github.com/mirage/mirage/issues/731, should I updated=20 it and copy there the unikernel code? Best regards, Vittorio Il 14/12/2016 16:36, Thomas Leonard ha scritto: > On 14 December 2016 at 15:12, Vittorio Cozzolino > wrote: >> Hi Thomas, >> >> I've tried a few things: >> >> - `Gc.full_major()` unfortunately doesn't help. >> - Looking at the address pointed by the RIP at the moment of the excep= tion, >> I can see this instruction: >> >> 25605f: e8 7c ad ff ff callq 250de0 >> >> I don't know how useful can it be, considering that I can trigger the = same >> crash by actually changing the code and, in this case, the references >> instruction would be something totally different (like a movel, push).= Maybe >> the instruction type is not much related to the crash itself? I feel l= ike it >> doesn't make much sense.. > It would be more interesting to know the caller of this function, etc. > It's possible that it branched to an invalid address and started > executing random code at some point, so the actual location of the > crash might not help but things further up the stack might be useful. > >> - Regarding in-lining the raw data in the code, I'm still working on i= t. >> Actually I don't fully understand what you mean, are you suggesting >> de-structuring the JSON format and insert into my code directly a list= /array >> of values? Or copying the JSON output directly inside my code as a sta= tic >> variable? I've tried the latter and the error persists. I will build t= he >> list of static values and see what happens. > Yes, I mean putting the json in your code, as > > let raw_json =3D "..." > > If it still crashes with this, you can remove the database call. If it > still crashes, you can remove networking completely from your > unikernel. You can eliminate a lot of code quickly this way. > > If you can get a unikernel that just parses a JSON string and crashes, > other people can try it too and it should be easy to find the cause. > >> Anyway, whatever I do with the retrieved JSON (even List.iter with an = empty >> function body), the unikernel crashes. I have the impression that as s= oon as >> I try to access the variable containing the JSON value the system cras= h is >> triggered. >> >> Best regards, >> Vittorio >> >> >> Il 14/12/2016 13:45, Thomas Leonard ha scritto: >>> On 14 December 2016 at 11:35, Vittorio Cozzolino >>> wrote: >>>> Hi, >>>> I'm running a unikernel on XEN that basically accesses a remote DB, >>>> fetches >>>> and computes some data, sends out the result. Apparently, if I try t= o >>>> fetch >>>> and parse a JSON response greater than a empirically found threshold= >>>> (details at the bottom of the email), the PVM XEN unikernel just cra= shes >>>> and >>>> this is wait I see when running sudo xl dmesg: >>>> >>>> (XEN) Pagetable walk from 00000000002c9ff8: >>>> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >>>> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >>>> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >>>> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >>>> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802261= be >>>> create_bounce_frame+0x66/0x13a >>>> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >>>> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >>>> (XEN) CPU: 17 >>>> (XEN) RIP: e033:[<0000000000258cf4>] >>>> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0) >>>> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: >>>> 0000000000000073 >>>> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: >>>> 00000000002ca018 >>>> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: >>>> 0000000000000002 >>>> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: >>>> 0000000000000000 >>>> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: >>>> 00000011238fa000 >>>> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: >>>> 00000000001526e0 >>>> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >>>> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e03= 3 >>>> (XEN) Guest stack trace from rsp=3D00000000002ca000: >>>> (XEN) 00000000002ca118 0000000000000000 000000000025933f >>>> 0000000000000074 >>>> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 >>>> 00000000002ca1e8 >>>> (XEN) 0000000000000000 0000000000000000 0000000000000007 >>>> 0000000000000007 >>>> (XEN) 0000000000000002 ffff800000000000 0000000000000073 >>>> 0000000000442528 >>>> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff >>>> 0000000000256708 >>>> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 >>>> 000000000000e02b >>>> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 >>>> 4e4d4c4b4a494847 >>>> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a >>>> 0000000000000074 >>>> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc >>>> 7561662065676150 >>>> (XEN) 696c20746120746c 646461207261656e 3062642073736572 >>>> 706972202c306433 >>>> (XEN) 2c38303736353220 3030207367657220 3030303030303030 >>>> 202c383333616332 >>>> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 >>>> 3261633230303030 >>>> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc >>>> 61665f686374614d >>>> (XEN) 0200006572756c69 0000000000000073 0000000000000000 >>>> ffffffffffffffef >>>> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 >>>> 00000011238fa000 >>>> (XEN) 0000000000000074 00000000002ca338 000000000025630a >>>> 636f6c625f737953 >>>> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 >>>> ffffffffffffffeb >>>> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 >>>> 00000000002ca3e8 >>>> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc >>>> 656e696665646e55 >>>> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c >>>> 00000000003df368 >>>> >>>> I've tried to destroy/create multiple times the same unikernel and I= >>>> always >>>> receive the same error. When running on Unix I don't bump into this >>>> issue, >>>> even when fetching and parsing multiple MB of data. >>>> >>>> By filling my code with logs, I figured out where exactly the uniker= nel >>>> stops. Specifically during the JSON response parsing (I'm using the >>>> YoJson >>>> library): >>>> >>>> let directExtractionn rawJson =3D >>>> Log.info (fun f -> f "Initializing direct extraction");= >>>> let json =3D Yojson.Basic.from_string rawJson in >>>> let result =3D [json] |> filter_member "results" |> fl= atten |> >>>> filter_member "series" >>>> |> flatten |> filter_member "values" |> flatten in >>>> List.map ( >>>> fun item -> >>>> let datapoint =3D match item |> in= dex 1 >>>> with >>>> | `String a -> a >>>> | `Float f -> string_of_float = f >>>> | `Int i -> string_of_float >>>> (float_of_int i) >>>> | `Bool b -> string_of_bool b >>>> in >>>> datapoint >>>> ) result |> computeAverage >>=3D fun aver -> >>>> log_lwt ~inject:(fun f -> f "Result %f" aver) >>>> >>>> I know that probably my code is not really optimized and clean but I= 'm >>>> quite >>>> shocked to see that my unikernel crashes when it has to extract roug= hly >>>> 3500 >>>> datapoints (it's more or less the threshold at which it crashes). Th= e >>>> function computeAverage is not even called. If I run the same code o= n >>>> Unix I >>>> can parse and process up to a 1M datapoints in less than a second. I= 've >>>> also >>>> tried to increase the number of vcpus and memory, but nothing change= d (16 >>>> vcpus and 4GB of memory). >>>> >>>> I would like to add that this threshold changes depending on the hos= t >>>> machine: >>>> >>>> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB Ne= twork >>>> Interface) -> Threshold is around 107Kb >>>> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network >>>> Interface) -> Threshold is around 33Kb >>> Can you simplify the case? For example, instead of fetching the JSON,= >>> what if you in-line the raw data in your code and parse that? >>> >>> Does adding a `Gc.full_major ()` just before the crash help? That >>> might indicate we're running out of memory and failing to run the GC >>> for some reason. >>> >>> You could also use `objdump -d` or similar on the unikernel image and= >>> see what the addresses in the stack trace correspond to. >>> >>> >> -- >> Vittorio Cozzolino, M.Eng. >> Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informati= k >> Office 01.05.041 >> Boltzmannstr. 3, 85748 Garching, Germany >> Tel: +49 89 289-17356 >> http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino >> >> > > --=20 Vittorio Cozzolino, M.Eng. Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms060302000703060309040603 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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Received: by 10.28.194.133 with HTTP; Wed, 14 Dec 2016 08:18:39 -0800 (PST) In-Reply-To: <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> From: Thomas Leonard Date: Wed, 14 Dec 2016 16:18:39 +0000 Message-ID: To: Vittorio Cozzolino Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjZW1iZXIgMjAxNiBhdCAxNjoxMywgVml0dG9yaW8gQ296em9saW5vCjx2aXR0b3Jp by5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiBPaywKPgo+IEkndmUgYnVpbHQgYSAibGln 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"mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMTQgRGVjZW1iZXIgMjAxNiBhdCAxNjoxMywgVml0dG9yaW8gQ296em9saW5vCjx2aXR0b3Jp by5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiBPaywKPgo+IEkndmUgYnVpbHQgYSAibGln aHR3ZWlnaHQiIHZlcnNpb24gb2YgbXkgb3JpZ2luYWwgVW5pa2VybmVsLCB0aGVyZSBpcwo+IGJh c2ljYWxseSBvbmx5IHRoZSBjb2RlIG5lY2Vzc2FyeSB0byB0cmlnZ2VyIHRoZSBjcmFzaC4KPgo+ IERvIEkgY29weS1wYXN0ZSB0aGUgY29kZSBoZXJlIG9yIHNvbWV3aGVyZSBlbHNlPyBJIGhhdmUg YWxyZWFkeSBhbiBpc3N1ZQo+IG9wZW4gaGVyZSBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21p 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([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHCHQ-0005Vj-1H for mirageos-devel@lists.xenproject.org; Wed, 14 Dec 2016 16:19:44 +0000 Received: from [193.109.254.147] by server-9.bemta-6.messagelabs.com id 8D/5B-27165-F1171585; Wed, 14 Dec 2016 16:19:43 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrGIsWRWlGSWpSXmKPExsXSnM/RpCtXGBh hMG0xu0Vv610WB0aPwx+usAQwRrFm5iXlVySwZuw90MBcMDWw4uz7Y8wNjPccuxg5OSQEFCW2 Nm5khrAdJHrf7GHvYuTiEBLYzSTx8OBxFpAEs4C6xJ95l8CKeAX0JF7duszaxcjBISxQKjH3L A9ImE1AVeLT0t+sIDangK3EvpenwVpZgOJ72y+yQ4wplpg7dSIrhK0tsWzha6iRNhJ9U46wQu xdwSRxe04rG0hCRMBU4v/LLUwQx8lK7P79iGkCI/8sJCfNQnLSLCRzFzAyr2LUKE4tKkst0jW 00EsqykzPKMlNzMzRNTQw08tNLS5OTE/NSUwq1kvOz93ECAxDBiDYwXhzY8AhRkkOJiVR3q16 gRFCfEn5KZUZicUZ8UWlOanFhxhlODiUJHhlC4BygkWp6akVaZk5wIiASUtw8CiJ8OqApHmLC xJzizPTIVKnGHU5pj1b/JRJiCUvPy9VSpzXGKRIAKQoozQPbgQsOi8xykoJ8zICHSXEU5BalJ tZgir/ilGcg1FJmNcNZApPZl4J3KZXQEcwAR0husQf5IiSRISUVAOjumS1xfKHwVczPuT8veP 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1cHCHN-000bhA-e3 (Exim 4.86_36-e07b163) (return-path ); Wed, 14 Dec 2016 16:19:41 +0000 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> Date: Wed, 14 Dec 2016 16:19:40 +0000 Message-Id: <9D237952-B2EA-4B12-BF5C-31851358C312@cam.ac.uk> References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> To: Vittorio Cozzolino X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" 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mirageos-devel-bounces@lists.xenproject.org Wed Dec 14 16:19:45 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Dec 2016 16:19:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHCHQ-0005Vq-Pm; Wed, 14 Dec 2016 16:19:44 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHCHQ-0005Vj-1H for mirageos-devel@lists.xenproject.org; Wed, 14 Dec 2016 16:19:44 +0000 Received: from [193.109.254.147] by server-9.bemta-6.messagelabs.com id 8D/5B-27165-F1171585; Wed, 14 Dec 2016 16:19:43 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrGIsWRWlGSWpSXmKPExsXSnM/RpCtXGBh hMG0xu0Vv610WB0aPwx+usAQwRrFm5iXlVySwZuw90MBcMDWw4uz7Y8wNjPccuxg5OSQEFCW2 Nm5khrAdJHrf7GHvYuTiEBLYzSTx8OBxFpAEs4C6xJ95l8CKeAX0JF7duszaxcjBISxQKjH3L A9ImE1AVeLT0t+sIDangK3EvpenwVpZgOJ72y+yQ4wplpg7dSIrhK0tsWzha6iRNhJ9U46wQu 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server-10.tower-27.messagelabs.com with SMTP; 14 Dec 2016 16:19:42 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://help.uis.cam.ac.uk/email-scanner-virus Received: from [194.72.166.2] (port=52754 helo=amirmacbook.cam.docker.com) by ppsw-30.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:587) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1cHCHN-000bhA-e3 (Exim 4.86_36-e07b163) (return-path ); Wed, 14 Dec 2016 16:19:41 +0000 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> Date: Wed, 14 Dec 2016 16:19:40 +0000 Message-Id: <9D237952-B2EA-4B12-BF5C-31851358C312@cam.ac.uk> References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> To: Vittorio Cozzolino X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" SGkgVml0dG9yaW8sIFlvdSBjYW4gYWRkIGl0IGluIGEgY29tbWVudCBvbiB0aGUgaXNzdWUuICBJ ZiB0aGVyZeKAmXMgYSBsb3QsIHlvdSBjb3VsZCBwb3N0IHRoZSBjb2RlIGluIGEgZ2lzdCAoaHR0 cHM6Ly9naXN0LmdpdGh1Yi5jb20pIGFuZCBsZWF2ZSBhIGxpbmsgdG8gdGhhdCBpbiBhIGNvbW1l bnQuCgpBbWlyCgo+IE9uIDE0IERlYyAyMDE2LCBhdCAxNjoxMywgVml0dG9yaW8gQ296em9saW5v IDx2aXR0b3Jpby5jb3p6b2xpbm9AaW4udHVtLmRlPiB3cm90ZToKPiAKPiBPaywKPiAKPiBJJ3Zl IGJ1aWx0IGEgImxpZ2h0d2VpZ2h0IiB2ZXJzaW9uIG9mIG15IG9yaWdpbmFsIFVuaWtlcm5lbCwg dGhlcmUgaXMgYmFzaWNhbGx5IG9ubHkgdGhlIGNvZGUgbmVjZXNzYXJ5IHRvIHRyaWdnZXIgdGhl IGNyYXNoLgo+IAo+IERvIEkgY29weS1wYXN0ZSB0aGUgY29kZSBoZXJlIG9yIHNvbWV3aGVyZSBl 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server-16.tower-31.messagelabs.com!1481732628!68524070!1 X-Originating-IP: [74.125.82.51] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 36149 invoked from network); 14 Dec 2016 16:23:48 -0000 Received: from mail-wm0-f51.google.com (HELO mail-wm0-f51.google.com) (74.125.82.51) by server-16.tower-31.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 14 Dec 2016 16:23:48 -0000 Received: by mail-wm0-f51.google.com with SMTP id a197so120897408wmd.0 for ; Wed, 14 Dec 2016 08:23:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bushi-do.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=rZSpjBSOfCbOJT0w7oa9a9o9x7j2JcZtgA7qYHc00NM=; b=JwmdRSwTgYmBfIoLbkuTTCUetVBG+mMxfSD358wUhM0Dc0E7wHfVfJQPoc6qxlL+OU ikgZGDLVb6FUG1xXkjRyCmBotDsEbUVW6c5gDU+ZacP25UiqhvvjzS6RoW18lzR3YpyS 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08:23:48 -0800 (PST) MIME-Version: 1.0 Received: by 10.28.210.79 with HTTP; Wed, 14 Dec 2016 08:23:27 -0800 (PST) X-Originating-IP: [50.174.77.118] In-Reply-To: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> References: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> From: Sean Grove Date: Wed, 14 Dec 2016 08:23:27 -0800 Message-ID: To: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7840450182770732499==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============7840450182770732499== Content-Type: multipart/alternative; boundary=001a114b3b80f346bd0543a0c25c --001a114b3b80f346bd0543a0c25c Content-Type: text/plain; charset=UTF-8 > > I'm announcing I intend to work on the Mirage storage stack. > Very cool! > There is a clear need for something that sits on top of the BLOCK API > and provides higher-level capabilities. I'm planning to write a > storage library that provides a key-value store (with fixed-size keys) > and an Irmin backend. A more generic key-value store with variable > size keys could also be implemented on top. > A lot of my use cases are probably in the minority for Mirage, but will you design/implement it with an eye towards the JavaScript runtime (either via jsoo of BuckleScript)? The dream for me has always been to sync data between web/mobile clients and a Mirage server, like Cuekeeper. --001a114b3b80f346bd0543a0c25c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I'm announcing I intend to work on the Mirag= e storage stack.
Very cool!
=C2=A0
There is a clear need for something that sits on top of the BLOCK API
and provides higher-level capabilities.=C2=A0 I'm planning to write a storage library that provides a key-value store (with fixed-size keys)
and an Irmin backend.=C2=A0 A more generic key-value store with variable size keys could also be implemented on top.

=
A lot of my use cases are probably in the minority for Mirage, but wil= l you design/implement it with an eye towards the JavaScript runtime (eithe= r via jsoo of BuckleScript)? The dream for me has always been to sync data = between web/mobile clients and a Mirage server, like Cuekeeper.
=
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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=rZSpjBSOfCbOJT0w7oa9a9o9x7j2JcZtgA7qYHc00NM=; b=e5Ei0E8NmwhuorYS6mf5JqdycRFd8EF7N5iYG3gkAfSd8T1Mxhz4bz8f0D/XNVsz2O tIt6F9lsE2SHewipFF2l92bo9zTIAvpdnbfKoJKZo/NHlzJWaXcDq69lgMMVX4X4s8BI UnJiUGO6PmhcAVTFTIGjWDkYjF3gCwPjfUZUo2WCaMn7LN74yPpDZHADiEbqsOw5mOGh Os4Kg13c7Pj71mZUschSXO6tQcIQamW15atE+VnFGqDRs/mCN0rtUYwo1BwVfPhKEQ/1 w0fysC5X/0KJx/UOFonzocgCQwQdvVCpyQl0Ed0a3jO1QiL/R4SGnIvPpL0Hx3TeMzs0 Oa5A== X-Gm-Message-State: AKaTC01fS5n6nuCdokiaHguZ0Bkxxx4auIHCpsujPRwzmKnFSfjEpg0RfpBqCAXI9qQ8+E6mIrWZ2MQG2DA8IA== X-Received: by 10.28.150.69 with SMTP id y66mr8034415wmd.107.1481732628091; Wed, 14 Dec 2016 08:23:48 -0800 (PST) MIME-Version: 1.0 Received: by 10.28.210.79 with HTTP; Wed, 14 Dec 2016 08:23:27 -0800 (PST) X-Originating-IP: [50.174.77.118] In-Reply-To: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> References: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> From: Sean Grove Date: Wed, 14 Dec 2016 08:23:27 -0800 Message-ID: To: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7840450182770732499==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============7840450182770732499== Content-Type: multipart/alternative; boundary=001a114b3b80f346bd0543a0c25c --001a114b3b80f346bd0543a0c25c Content-Type: text/plain; charset=UTF-8 > > I'm announcing I intend to work on the Mirage storage stack. > Very cool! > There is a clear need for something that sits on top of the BLOCK API > and provides higher-level capabilities. I'm planning to write a > storage library that provides a key-value store (with fixed-size keys) > and an Irmin backend. A more generic key-value store with variable > size keys could also be implemented on top. > A lot of my use cases are probably in the minority for Mirage, but will you design/implement it with an eye towards the JavaScript runtime (either via jsoo of BuckleScript)? The dream for me has always been to sync data between web/mobile clients and a Mirage server, like Cuekeeper. --001a114b3b80f346bd0543a0c25c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I'm announcing I intend to work on the Mirag= e storage stack.
Very cool!
=C2=A0
There is a clear need for something that sits on top of the BLOCK API
and provides higher-level capabilities.=C2=A0 I'm planning to write a storage library that provides a key-value store (with fixed-size keys)
and an Irmin backend.=C2=A0 A more generic key-value store with variable size keys could also be implemented on top.

=
A lot of my use cases are probably in the minority for Mirage, but wil= l you design/implement it with an eye towards the JavaScript runtime (eithe= r via jsoo of BuckleScript)? The dream for me has always been to sync data = between web/mobile clients and a Mirage server, like Cuekeeper.
=
--001a114b3b80f346bd0543a0c25c-- --===============7840450182770732499== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== --===============7840450182770732499==-- From mirageos-devel-bounces@lists.xenproject.org Wed Dec 14 16:38:07 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Dec 2016 16:38:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHCZ9-0007bQ-I8; Wed, 14 Dec 2016 16:38:03 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHCZ8-0007bK-2c for mirageos-devel@lists.xenproject.org; Wed, 14 Dec 2016 16:38:02 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 6F/DB-08512-96571585; Wed, 14 Dec 2016 16:38:01 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDIsWRWlGSWpSXmKPExsXSPJ+BQze1NDD CoH8lh0Vv610WB0aPwx+usAQwRrFm5iXlVySwZsxfllawpY+xYtqhJewNjKtruxg5OYQEciUe /p7PDmHvYpToX8MKYgsLlElMbpnABmKLCKhKtN+/wgZR84lJ4tzU4C5GDg5mgQCJ85+CQMJsA uYSfW37WUDCvAI2EoealUHCLECdy5r2gk0UFYiR+Lj8CCOIzSsgKHFy5hMWEJtTIFBiy47VQD YX0MRORoltm5YyTWDknYWkbhayHEiCWcBMYt7mh8wQtrbEsoWvoWxriRm/DrJB2IoSU7ofskP YphKvj35khLD1JT7f2MO2gJFjFaN6cWpRWWqRrpleUlFmekZJbmJmjq6hgalebmpxcWJ6ak5i UrFecn7uJkZgKDMAwQ7GqQ3OhxglOZiURHm36gVGCPEl5adUZiQWZ8QXleakFh9ilOHgUJLg/ VcIlBMsSk1PrUjLzAFGFUxagoNHSYTXuhgozVtckJhbnJkOkTrFqCglzjupCCghAJLIKM2Da4 NF8iVGWSlhXkagQ4R4ClKLcjNLUOVfMYpzMCoJ874D2c6TmVcCN/0V0GImoMWiS/xBFpckIqS kGhiF2PSzzzR9zSi6F1f1lHGp6L8iDSMHlr/TeFJ9/Ks/JlvmXijQ3qftt0JtxwaraZxP3p78 uudzZV2siXzPjJmFgrtN0z38Z63asXveg8wty6ccCu3k0TX9vtzZvqRGvMg66ZpFP8dl+Tzzo HfvZ+lPOhP5VYmFL8Gua2OIp8v8yn+s1amnTyuxFGckGmoxFxUnAgB+D0nx3wIAAA== X-Env-Sender: vittorio.cozzolino@in.tum.de X-Msg-Ref: server-12.tower-206.messagelabs.com!1481733473!39138516!1 X-Originating-IP: [131.159.0.8] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 48100 invoked from network); 14 Dec 2016 16:37:53 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 16:37:53 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id C88531C1315; Wed, 14 Dec 2016 17:37:55 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id 92DDE1C1311; Wed, 14 Dec 2016 17:37:52 +0100 (CET) (Extended-Queue-bit tech_szahg@fff.in.tum.de) To: Thomas Leonard References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> From: Vittorio Cozzolino Message-ID: Date: Wed, 14 Dec 2016 17:38:42 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5961955441158713593==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============5961955441158713593== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms020609010407060109020109" This is a cryptographically signed message in MIME format. --------------ms020609010407060109020109 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable All set! Thanks for the help! Vittorio Il 14/12/2016 17:18, Thomas Leonard ha scritto: > On 14 December 2016 at 16:13, Vittorio Cozzolino > wrote: >> Ok, >> >> I've built a "lightweight" version of my original Unikernel, there is >> basically only the code necessary to trigger the crash. >> >> Do I copy-paste the code here or somewhere else? I have already an iss= ue >> open here https://github.com/mirage/mirage/issues/731, should I update= d it >> and copy there the unikernel code? > Great! You can either add it to the issue or, if you want more space / > multiple files, there's a "Gist" link at the top of the GitHub page > that can be a convenient place to paste stuff. > >> Best regards, >> Vittorio >> >> >> >> Il 14/12/2016 16:36, Thomas Leonard ha scritto: >>> On 14 December 2016 at 15:12, Vittorio Cozzolino >>> wrote: >>>> Hi Thomas, >>>> >>>> I've tried a few things: >>>> >>>> - `Gc.full_major()` unfortunately doesn't help. >>>> - Looking at the address pointed by the RIP at the moment of the >>>> exception, >>>> I can see this instruction: >>>> >>>> 25605f: e8 7c ad ff ff callq 250de0 >>>> >>>> I don't know how useful can it be, considering that I can trigger th= e >>>> same >>>> crash by actually changing the code and, in this case, the reference= s >>>> instruction would be something totally different (like a movel, push= ). >>>> Maybe >>>> the instruction type is not much related to the crash itself? I feel= like >>>> it >>>> doesn't make much sense.. >>> It would be more interesting to know the caller of this function, etc= =2E >>> It's possible that it branched to an invalid address and started >>> executing random code at some point, so the actual location of the >>> crash might not help but things further up the stack might be useful.= >>> >>>> - Regarding in-lining the raw data in the code, I'm still working on= it. >>>> Actually I don't fully understand what you mean, are you suggesting >>>> de-structuring the JSON format and insert into my code directly a >>>> list/array >>>> of values? Or copying the JSON output directly inside my code as a s= tatic >>>> variable? I've tried the latter and the error persists. I will build= the >>>> list of static values and see what happens. >>> Yes, I mean putting the json in your code, as >>> >>> let raw_json =3D "..." >>> >>> If it still crashes with this, you can remove the database call. If i= t >>> still crashes, you can remove networking completely from your >>> unikernel. You can eliminate a lot of code quickly this way. >>> >>> If you can get a unikernel that just parses a JSON string and crashes= , >>> other people can try it too and it should be easy to find the cause. >>> >>>> Anyway, whatever I do with the retrieved JSON (even List.iter with a= n >>>> empty >>>> function body), the unikernel crashes. I have the impression that as= soon >>>> as >>>> I try to access the variable containing the JSON value the system cr= ash >>>> is >>>> triggered. >>>> >>>> Best regards, >>>> Vittorio >>>> >>>> >>>> Il 14/12/2016 13:45, Thomas Leonard ha scritto: >>>>> On 14 December 2016 at 11:35, Vittorio Cozzolino >>>>> wrote: >>>>>> Hi, >>>>>> I'm running a unikernel on XEN that basically accesses a remote DB= , >>>>>> fetches >>>>>> and computes some data, sends out the result. Apparently, if I try= to >>>>>> fetch >>>>>> and parse a JSON response greater than a empirically found thresho= ld >>>>>> (details at the bottom of the email), the PVM XEN unikernel just >>>>>> crashes >>>>>> and >>>>>> this is wait I see when running sudo xl dmesg: >>>>>> >>>>>> (XEN) Pagetable walk from 00000000002c9ff8: >>>>>> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >>>>>> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >>>>>> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >>>>>> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >>>>>> (XEN) domain_crash_sync called from entry.S: fault at ffff82d08022= 61be >>>>>> create_bounce_frame+0x66/0x13a >>>>>> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >>>>>> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >>>>>> (XEN) CPU: 17 >>>>>> (XEN) RIP: e033:[<0000000000258cf4>] >>>>>> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0)= >>>>>> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: >>>>>> 0000000000000073 >>>>>> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: >>>>>> 00000000002ca018 >>>>>> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: >>>>>> 0000000000000002 >>>>>> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: >>>>>> 0000000000000000 >>>>>> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: >>>>>> 00000011238fa000 >>>>>> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: >>>>>> 00000000001526e0 >>>>>> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >>>>>> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e= 033 >>>>>> (XEN) Guest stack trace from rsp=3D00000000002ca000: >>>>>> (XEN) 00000000002ca118 0000000000000000 000000000025933f >>>>>> 0000000000000074 >>>>>> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 >>>>>> 00000000002ca1e8 >>>>>> (XEN) 0000000000000000 0000000000000000 0000000000000007 >>>>>> 0000000000000007 >>>>>> (XEN) 0000000000000002 ffff800000000000 0000000000000073 >>>>>> 0000000000442528 >>>>>> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff >>>>>> 0000000000256708 >>>>>> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 >>>>>> 000000000000e02b >>>>>> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 >>>>>> 4e4d4c4b4a494847 >>>>>> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a >>>>>> 0000000000000074 >>>>>> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc >>>>>> 7561662065676150 >>>>>> (XEN) 696c20746120746c 646461207261656e 3062642073736572 >>>>>> 706972202c306433 >>>>>> (XEN) 2c38303736353220 3030207367657220 3030303030303030 >>>>>> 202c383333616332 >>>>>> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 >>>>>> 3261633230303030 >>>>>> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc >>>>>> 61665f686374614d >>>>>> (XEN) 0200006572756c69 0000000000000073 0000000000000000 >>>>>> ffffffffffffffef >>>>>> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 >>>>>> 00000011238fa000 >>>>>> (XEN) 0000000000000074 00000000002ca338 000000000025630a >>>>>> 636f6c625f737953 >>>>>> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 >>>>>> ffffffffffffffeb >>>>>> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 >>>>>> 00000000002ca3e8 >>>>>> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc >>>>>> 656e696665646e55 >>>>>> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c >>>>>> 00000000003df368 >>>>>> >>>>>> I've tried to destroy/create multiple times the same unikernel and= I >>>>>> always >>>>>> receive the same error. When running on Unix I don't bump into thi= s >>>>>> issue, >>>>>> even when fetching and parsing multiple MB of data. >>>>>> >>>>>> By filling my code with logs, I figured out where exactly the unik= ernel >>>>>> stops. Specifically during the JSON response parsing (I'm using th= e >>>>>> YoJson >>>>>> library): >>>>>> >>>>>> let directExtractionn rawJson =3D >>>>>> Log.info (fun f -> f "Initializing direct extraction= "); >>>>>> let json =3D Yojson.Basic.from_string rawJson in >>>>>> let result =3D [json] |> filter_member "results" |>= flatten >>>>>> |> >>>>>> filter_member "series" >>>>>> |> flatten |> filter_member "values" |> flatten in >>>>>> List.map ( >>>>>> fun item -> >>>>>> let datapoint =3D match item |>= index 1 >>>>>> with >>>>>> | `String a -> a >>>>>> | `Float f -> string_of_flo= at f >>>>>> | `Int i -> string_of_float= >>>>>> (float_of_int i) >>>>>> | `Bool b -> string_of_bool= b >>>>>> in >>>>>> datapoint >>>>>> ) result |> computeAverage >>=3D fun aver -> >>>>>> log_lwt ~inject:(fun f -> f "Result %f" aver) >>>>>> >>>>>> I know that probably my code is not really optimized and clean but= I'm >>>>>> quite >>>>>> shocked to see that my unikernel crashes when it has to extract ro= ughly >>>>>> 3500 >>>>>> datapoints (it's more or less the threshold at which it crashes). = The >>>>>> function computeAverage is not even called. If I run the same code= on >>>>>> Unix I >>>>>> can parse and process up to a 1M datapoints in less than a second.= I've >>>>>> also >>>>>> tried to increase the number of vcpus and memory, but nothing chan= ged >>>>>> (16 >>>>>> vcpus and 4GB of memory). >>>>>> >>>>>> I would like to add that this threshold changes depending on the h= ost >>>>>> machine: >>>>>> >>>>>> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB >>>>>> Network >>>>>> Interface) -> Threshold is around 107Kb >>>>>> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network= >>>>>> Interface) -> Threshold is around 33Kb >>>>> Can you simplify the case? For example, instead of fetching the JSO= N, >>>>> what if you in-line the raw data in your code and parse that? >>>>> >>>>> Does adding a `Gc.full_major ()` just before the crash help? That >>>>> might indicate we're running out of memory and failing to run the G= C >>>>> for some reason. >>>>> >>>>> You could also use `objdump -d` or similar on the unikernel image a= nd >>>>> see what the addresses in the stack trace correspond to. >>>>> >>>>> >>>> -- >>>> Vittorio Cozzolino, M.Eng. >>>> Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informa= tik >>>> Office 01.05.041 >>>> Boltzmannstr. 3, 85748 Garching, Germany >>>> Tel: +49 89 289-17356 >>>> http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino >>>> >>>> >>> >> -- >> Vittorio Cozzolino, M.Eng. >> Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informati= k >> Office 01.05.041 >> Boltzmannstr. 3, 85748 Garching, Germany >> Tel: +49 89 289-17356 >> http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino >> >> > > --=20 Vittorio Cozzolino, M.Eng. Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms020609010407060109020109 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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X-Originating-IP: [131.159.0.8] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 48100 invoked from network); 14 Dec 2016 16:37:53 -0000 Received: from mail-out1.informatik.tu-muenchen.de (HELO mail-out1.informatik.tu-muenchen.de) (131.159.0.8) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 16:37:53 -0000 Received: by mail.in.tum.de (Postfix, from userid 107) id C88531C1315; Wed, 14 Dec 2016 17:37:55 +0100 (CET) Received: (Authenticated sender: cozzolin) by mail.in.tum.de (Postfix) with ESMTPSA id 92DDE1C1311; Wed, 14 Dec 2016 17:37:52 +0100 (CET) (Extended-Queue-bit tech_szahg@fff.in.tum.de) To: Thomas Leonard References: <80041d2f-6c0e-ea2a-8662-36fdd0425639@in.tum.de> <2e1f469e-33ce-135c-5380-1094b0a4785b@in.tum.de> From: Vittorio Cozzolino Message-ID: Date: Wed, 14 Dec 2016 17:38:42 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Systematic crash on create_bounce_frame when hitting specific data allocation threshold X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5961955441158713593==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" This is a cryptographically signed message in MIME format. --===============5961955441158713593== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms020609010407060109020109" This is a cryptographically signed message in MIME format. --------------ms020609010407060109020109 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable All set! Thanks for the help! Vittorio Il 14/12/2016 17:18, Thomas Leonard ha scritto: > On 14 December 2016 at 16:13, Vittorio Cozzolino > wrote: >> Ok, >> >> I've built a "lightweight" version of my original Unikernel, there is >> basically only the code necessary to trigger the crash. >> >> Do I copy-paste the code here or somewhere else? I have already an iss= ue >> open here https://github.com/mirage/mirage/issues/731, should I update= d it >> and copy there the unikernel code? > Great! You can either add it to the issue or, if you want more space / > multiple files, there's a "Gist" link at the top of the GitHub page > that can be a convenient place to paste stuff. > >> Best regards, >> Vittorio >> >> >> >> Il 14/12/2016 16:36, Thomas Leonard ha scritto: >>> On 14 December 2016 at 15:12, Vittorio Cozzolino >>> wrote: >>>> Hi Thomas, >>>> >>>> I've tried a few things: >>>> >>>> - `Gc.full_major()` unfortunately doesn't help. >>>> - Looking at the address pointed by the RIP at the moment of the >>>> exception, >>>> I can see this instruction: >>>> >>>> 25605f: e8 7c ad ff ff callq 250de0 >>>> >>>> I don't know how useful can it be, considering that I can trigger th= e >>>> same >>>> crash by actually changing the code and, in this case, the reference= s >>>> instruction would be something totally different (like a movel, push= ). >>>> Maybe >>>> the instruction type is not much related to the crash itself? I feel= like >>>> it >>>> doesn't make much sense.. >>> It would be more interesting to know the caller of this function, etc= =2E >>> It's possible that it branched to an invalid address and started >>> executing random code at some point, so the actual location of the >>> crash might not help but things further up the stack might be useful.= >>> >>>> - Regarding in-lining the raw data in the code, I'm still working on= it. >>>> Actually I don't fully understand what you mean, are you suggesting >>>> de-structuring the JSON format and insert into my code directly a >>>> list/array >>>> of values? Or copying the JSON output directly inside my code as a s= tatic >>>> variable? I've tried the latter and the error persists. I will build= the >>>> list of static values and see what happens. >>> Yes, I mean putting the json in your code, as >>> >>> let raw_json =3D "..." >>> >>> If it still crashes with this, you can remove the database call. If i= t >>> still crashes, you can remove networking completely from your >>> unikernel. You can eliminate a lot of code quickly this way. >>> >>> If you can get a unikernel that just parses a JSON string and crashes= , >>> other people can try it too and it should be easy to find the cause. >>> >>>> Anyway, whatever I do with the retrieved JSON (even List.iter with a= n >>>> empty >>>> function body), the unikernel crashes. I have the impression that as= soon >>>> as >>>> I try to access the variable containing the JSON value the system cr= ash >>>> is >>>> triggered. >>>> >>>> Best regards, >>>> Vittorio >>>> >>>> >>>> Il 14/12/2016 13:45, Thomas Leonard ha scritto: >>>>> On 14 December 2016 at 11:35, Vittorio Cozzolino >>>>> wrote: >>>>>> Hi, >>>>>> I'm running a unikernel on XEN that basically accesses a remote DB= , >>>>>> fetches >>>>>> and computes some data, sends out the result. Apparently, if I try= to >>>>>> fetch >>>>>> and parse a JSON response greater than a empirically found thresho= ld >>>>>> (details at the bottom of the email), the PVM XEN unikernel just >>>>>> crashes >>>>>> and >>>>>> this is wait I see when running sudo xl dmesg: >>>>>> >>>>>> (XEN) Pagetable walk from 00000000002c9ff8: >>>>>> (XEN) L4[0x000] =3D 00000010b5f67067 0000000000000567 >>>>>> (XEN) L3[0x000] =3D 00000010b5f68067 0000000000000568 >>>>>> (XEN) L2[0x001] =3D 00000010b5f6a067 000000000000056a >>>>>> (XEN) L1[0x0c9] =3D 00100010b1ac9025 00000000000002c9 >>>>>> (XEN) domain_crash_sync called from entry.S: fault at ffff82d08022= 61be >>>>>> create_bounce_frame+0x66/0x13a >>>>>> (XEN) Domain 23 (vcpu#0) crashed on cpu#17: >>>>>> (XEN) ----[ Xen-4.6.0 x86_64 debug=3Dn Not tainted ]---- >>>>>> (XEN) CPU: 17 >>>>>> (XEN) RIP: e033:[<0000000000258cf4>] >>>>>> (XEN) RFLAGS: 0000000000010206 EM: 1 CONTEXT: pv guest (d23v0)= >>>>>> (XEN) rax: 0000000000258cf0 rbx: 0000000000000000 rcx: >>>>>> 0000000000000073 >>>>>> (XEN) rdx: 0000000000442528 rsi: 0000000000000000 rdi: >>>>>> 00000000002ca018 >>>>>> (XEN) rbp: 00000000002ca1e8 rsp: 00000000002ca000 r8: >>>>>> 0000000000000002 >>>>>> (XEN) r9: 0000000000000007 r10: 0000000000000007 r11: >>>>>> 0000000000000000 >>>>>> (XEN) r12: 00000000002ca118 r13: 0000000000000000 r14: >>>>>> 00000011238fa000 >>>>>> (XEN) r15: 0000000000000074 cr0: 0000000080050033 cr4: >>>>>> 00000000001526e0 >>>>>> (XEN) cr3: 00000010b5f66000 cr2: 00000000002c9ff8 >>>>>> (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e= 033 >>>>>> (XEN) Guest stack trace from rsp=3D00000000002ca000: >>>>>> (XEN) 00000000002ca118 0000000000000000 000000000025933f >>>>>> 0000000000000074 >>>>>> (XEN) 00000011238fa000 0000000000000000 00000000002ca118 >>>>>> 00000000002ca1e8 >>>>>> (XEN) 0000000000000000 0000000000000000 0000000000000007 >>>>>> 0000000000000007 >>>>>> (XEN) 0000000000000002 ffff800000000000 0000000000000073 >>>>>> 0000000000442528 >>>>>> (XEN) 00000000002ca118 0000000000000000 ffffffffffffffff >>>>>> 0000000000256708 >>>>>> (XEN) 000000010000e030 0000000000010006 00000000002ca0c8 >>>>>> 000000000000e02b >>>>>> (XEN) 0000000000000ffc 3736353433323130 4645444342413938 >>>>>> 4e4d4c4b4a494847 >>>>>> (XEN) 00000000002ca18b 00000000002ca1e8 00000000002ca18a >>>>>> 0000000000000074 >>>>>> (XEN) 00000000002566a0 00000000002ca118 00000000002561bc >>>>>> 7561662065676150 >>>>>> (XEN) 696c20746120746c 646461207261656e 3062642073736572 >>>>>> 706972202c306433 >>>>>> (XEN) 2c38303736353220 3030207367657220 3030303030303030 >>>>>> 202c383333616332 >>>>>> (XEN) 6533616332207073 735f72756f202c38 3030303030302070 >>>>>> 3261633230303030 >>>>>> (XEN) 65646f63202c3866 ffffffff0a0d3020 0000000000000bfc >>>>>> 61665f686374614d >>>>>> (XEN) 0200006572756c69 0000000000000073 0000000000000000 >>>>>> ffffffffffffffef >>>>>> (XEN) 0000000000000000 00000000002ca2e8 0000000000000000 >>>>>> 00000011238fa000 >>>>>> (XEN) 0000000000000074 00000000002ca338 000000000025630a >>>>>> 636f6c625f737953 >>>>>> (XEN) 0000003000000030 00000000002ca2e0 00000000002ca218 >>>>>> ffffffffffffffeb >>>>>> (XEN) 0000000000db03d0 0000000000256708 00000000002ca338 >>>>>> 00000000002ca3e8 >>>>>> (XEN) 00000000002ca2f8 ffffffffffffffe9 00000000000013fc >>>>>> 656e696665646e55 >>>>>> (XEN) 7372756365725f64 75646f6d5f657669 050000000000656c >>>>>> 00000000003df368 >>>>>> >>>>>> I've tried to destroy/create multiple times the same unikernel and= I >>>>>> always >>>>>> receive the same error. When running on Unix I don't bump into thi= s >>>>>> issue, >>>>>> even when fetching and parsing multiple MB of data. >>>>>> >>>>>> By filling my code with logs, I figured out where exactly the unik= ernel >>>>>> stops. Specifically during the JSON response parsing (I'm using th= e >>>>>> YoJson >>>>>> library): >>>>>> >>>>>> let directExtractionn rawJson =3D >>>>>> Log.info (fun f -> f "Initializing direct extraction= "); >>>>>> let json =3D Yojson.Basic.from_string rawJson in >>>>>> let result =3D [json] |> filter_member "results" |>= flatten >>>>>> |> >>>>>> filter_member "series" >>>>>> |> flatten |> filter_member "values" |> flatten in >>>>>> List.map ( >>>>>> fun item -> >>>>>> let datapoint =3D match item |>= index 1 >>>>>> with >>>>>> | `String a -> a >>>>>> | `Float f -> string_of_flo= at f >>>>>> | `Int i -> string_of_float= >>>>>> (float_of_int i) >>>>>> | `Bool b -> string_of_bool= b >>>>>> in >>>>>> datapoint >>>>>> ) result |> computeAverage >>=3D fun aver -> >>>>>> log_lwt ~inject:(fun f -> f "Result %f" aver) >>>>>> >>>>>> I know that probably my code is not really optimized and clean but= I'm >>>>>> quite >>>>>> shocked to see that my unikernel crashes when it has to extract ro= ughly >>>>>> 3500 >>>>>> datapoints (it's more or less the threshold at which it crashes). = The >>>>>> function computeAverage is not even called. If I run the same code= on >>>>>> Unix I >>>>>> can parse and process up to a 1M datapoints in less than a second.= I've >>>>>> also >>>>>> tried to increase the number of vcpus and memory, but nothing chan= ged >>>>>> (16 >>>>>> vcpus and 4GB of memory). >>>>>> >>>>>> I would like to add that this threshold changes depending on the h= ost >>>>>> machine: >>>>>> >>>>>> - Machine A (Ubuntu 14.04, Xen 4.6.0, 32 Cores, 128 GB RAM, 10 GB >>>>>> Network >>>>>> Interface) -> Threshold is around 107Kb >>>>>> - Machine B (Debian 8.5, Xen 4.4.1, 4 cores, 8 GB RAM, 1GB Network= >>>>>> Interface) -> Threshold is around 33Kb >>>>> Can you simplify the case? For example, instead of fetching the JSO= N, >>>>> what if you in-line the raw data in your code and parse that? >>>>> >>>>> Does adding a `Gc.full_major ()` just before the crash help? That >>>>> might indicate we're running out of memory and failing to run the G= C >>>>> for some reason. >>>>> >>>>> You could also use `objdump -d` or similar on the unikernel image a= nd >>>>> see what the addresses in the stack trace correspond to. >>>>> >>>>> >>>> -- >>>> Vittorio Cozzolino, M.Eng. >>>> Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informa= tik >>>> Office 01.05.041 >>>> Boltzmannstr. 3, 85748 Garching, Germany >>>> Tel: +49 89 289-17356 >>>> http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino >>>> >>>> >>> >> -- >> Vittorio Cozzolino, M.Eng. >> Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informati= k >> Office 01.05.041 >> Boltzmannstr. 3, 85748 Garching, Germany >> Tel: +49 89 289-17356 >> http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino >> >> > > --=20 Vittorio Cozzolino, M.Eng. Technische Universit=C3=A4t M=C3=BCnchen - Institut f=C3=BCr Informatik Office 01.05.041 Boltzmannstr. 3, 85748 Garching, Germany Tel: +49 89 289-17356 http://www.cm.in.tum.de/en/research-group/vittorio-cozzolino --------------ms020609010407060109020109 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC EIEwggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJE RTEcMBoGA1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRy dXN0IENlbnRlcjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQw NzIyMTIwODI2WhcNMTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZO LVZlcmVpbjEQMA4GA1UECxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xv YmFsIC0gRzAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTD 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mirageos-devel@lists.xenproject.org References: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> From: Gabriel de Perthuis Message-ID: Date: Wed, 14 Dec 2016 18:09:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" TGUgMTQvMTIvMjAxNiDDoCAxNzoyMywgU2VhbiBHcm92ZSBhIMOpY3JpdCA6Cj4gICAgIEknbSBh bm5vdW5jaW5nIEkgaW50ZW5kIHRvIHdvcmsgb24gdGhlIE1pcmFnZSBzdG9yYWdlIHN0YWNrLgo+ IAo+IFZlcnkgY29vbCEKPiAgCj4gCj4gICAgIFRoZXJlIGlzIGEgY2xlYXIgbmVlZCBmb3Igc29t 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[83.155.104.81]) by smtp.gmail.com with ESMTPSA id 6sm39182710wjt.5.2016.12.22.23.59.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Dec 2016 23:59:27 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 23 Dec 2016 08:59:23 +0100 Message-Id: References: <3e766a83-07e5-1b41-d53e-780c897bc4da@somerandomidiot.com> To: Mindy X-Mailer: Apple Mail (2.3259) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] result-y errors and MirageOS 3 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" Pj4+IEEgZmV3IHdlZWtzIGFnbywgSSBtZXJnZWQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9t aXJhZ2UvcHVsbC82OTAgYW5kIGl0cyBjb21wYW5pb24gUFJzLiBUaGUgY2hhbmdlc2V0IGNvbnRp bnVlcyB3b3JrIGRvbmUgYnkgSGFubmVzIE1laG5lcnQgdG8gY29udmVydCB0aGUgTkVUV09SSyBt b2R1bGUgdHlwZSB0byB1c2luZyByZXN1bHQgdHlwZXMgZm9yIHdyaXRlcyB1cHdhcmQgdGhyb3Vn aCBFVEhFUk5FVCwgSVAsIFVEUCwgVENQLCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIEZMT1cgdG8g dXNlIHJlc3VsdCB0eXBlcyBmb3IgYm90aCBgcmVhZGAgYW5kIGB3cml0ZWAuICBBbmlsIGhhcyBt YWRlIGEgbmljZSBwYXRjaCAobm93IG1lcmdlZCkgdG8gYGNoYW5uZWxgIHVzaW5nIHRoaXMgQVBJ IHdoaWNoIHlvdSBjYW4gc2VlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNo YW5uZWwvcHVsbC8xNCAuCj4+PiAKPj4+IFRoZXJlJ3MgYSBzaW1pbGFyIFBSLCBub3QgeWV0IG1l cmdlZCwgd2hpY2ggYWRkcyBlcnJvciB0eXBlcyBmb3IgS1ZfUk8sIEJMT0NLLCBhbmQgRlMgd2hp Y2ggeW91IGNhbiBzZWUgYXQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC83 MDUgLiAgSSdkIGFwcHJlY2lhdGUgbW9yZSBjb21tZW50cyBvbiB0aGlzIFBSLiAgSSdsbCBhZG1p dCB0aGF0IEknZCBlc3BlY2lhbGx5IGFwcHJlY2lhdGUgY29tbWVudHMgdG8gdGhlIGVmZmVjdCBv ZiAidGhpcyBpcyBiZXR0ZXIgdGhhbiB3aGF0IHdlIGhhZCBzbyBwbGVhc2UgbWVyZ2UgaXQiLgo+ PiAKPj4gVGhpcyBoYXMganVzdCBiZWVuIG1lcmdlZCBsYXJnZWx5IGFzIHdyaXR0ZW4uICBUaGFu a3MgdG8gZm9sa3Mgd2hvIGNvbW1lbnRlZCwgcGFydGljdWxhcmx5IHRhbGV4NSwgaGFubmVzbSwg YW5kIGxwdzI1LiAgT25nb2luZyB0aGFua3MgdG8gc2Ftb2h0LCB0YWxleDUsIGFuZCBoYW5uZXNt IGZvciB0aGVpciBwcmV2aW91cyB3b3JrIGluIHRoaXMgc3BhY2UuICBGdXJ0aGVyIGltcHJvdmVt ZW50cyBhcmUgYWx3YXlzIHBvc3NpYmxlIDspCj4gCj4gSSdtIHRha2luZyB3aGF0IEkgaG9wZSB3 aWxsIGJlIHRoZSBsYXN0IHBhc3MgYXQgaW5jb3Jwb3JhdGluZyBjaGFuZ2VzIHRvIHRoZSBlcnJv cnMgaW50ZXJmYWNlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlL3B1bGwvNzI5 IC4gIEFzIGEgc2F0aXNmYWN0b3J5IGludGVyZmFjZSBoZXJlIGlzIHRoZSBsYXN0IGJsb2NrZXIg dG8gYW4gQVBJIHRoYXQgbG9va3Mgc3Vic3RhbnRpYWxseSBsaWtlIHdoYXQgd2UnbGwgdXNlIGlu IE1pcmFnZU9TIDMsIEkgd291bGQgdmVyeSBtdWNoIGFwcHJlY2lhdGUgeW91ciBjb21tZW50cyBv ciBQUnMgYXMgc29vbiBhcyB5b3UgY2FuIGdldCB0aGVtIGluLCBhbmQgY2VydGFpbmx5IGJ5IChv ciBkdXJpbmcpIHRoZSBNaXJhZ2VPUyBjYWxsIG9uIFdlZG5lc2RheSB3aGljaCBJJ2xsIHNob3J0 bHkgYmUgc2VuZGluZyB0aGUgcmVtaW5kZXIgZm9yLgoKSSBoYXZlIGJlZW4gd29ya2luZyBvbiB0 aGF0IGlzc3VlIGluIHRoZSBwYXN0IGZldyBkYXlzLCB0aGUgcmVzdWx0IGlzIHRoZXJlOgoKaHR0 cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC83NDMKCkkndmUgYWxzbyBtYWRlIG1p cmFnZS1za2VsZXRvbiBjb21waWxlcyBvbiB1bml4LCB4ZW4gYW5kIHNvbG81IHdpdGggdGhlc2Ug Y2hhbmdlcy4gQWxsIHRoZSBpbmRpdmlkdWFsIFBSIGFyZSBhbHNvIG1vc3RseSBncmVlbiAod2l0 aCBhIGZldyBleGNlcHRpb25zIHRoYXQgSSBhbSBzdGlsbCB0cmFja2luZyBkb3duLCBidXQgbm90 aGluZyBtYWpvcikuIEFsc28gTWluZHkgYWxyZWFkeSBwdXQgdGhhdCBjaGFuZ2VzZXQgbGl2ZVsx XSBzbyBJIGd1ZXNzIGl0J3MgZ29vZCBlbm91Z2ggOnAKCkkgd2lsbCBzdGFydCBtZXJnaW5nIGFs bCBvZiB0aGlzIHByZXR0eSBzb29uLCBzbyBleHBlY3Qgc29tZSBicmVha2FnZSBpZiB5b3UgdXNl IHRoZSBkZXYgdmVyc2lvbiBvZiBtaXJhZ2UuCgpCZXN0LApUaG9tYXMKClsxXTogaHR0cHM6Ly90 d2l0dGVyLmNvbS9taW5keXByZXN0b24vc3RhdHVzLzgxMjEzNzU1NjYwMzI2OTEyMQoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVs IG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczov L2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1k ZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Dec 23 07:59:39 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Dec 2016 07:59:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cKKlH-00017N-1s; 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[83.155.104.81]) by smtp.gmail.com with ESMTPSA id 6sm39182710wjt.5.2016.12.22.23.59.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Dec 2016 23:59:27 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 23 Dec 2016 08:59:23 +0100 Message-Id: References: <3e766a83-07e5-1b41-d53e-780c897bc4da@somerandomidiot.com> To: Mindy X-Mailer: Apple Mail (2.3259) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] result-y errors and MirageOS 3 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" Pj4+IEEgZmV3IHdlZWtzIGFnbywgSSBtZXJnZWQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9t aXJhZ2UvcHVsbC82OTAgYW5kIGl0cyBjb21wYW5pb24gUFJzLiBUaGUgY2hhbmdlc2V0IGNvbnRp bnVlcyB3b3JrIGRvbmUgYnkgSGFubmVzIE1laG5lcnQgdG8gY29udmVydCB0aGUgTkVUV09SSyBt b2R1bGUgdHlwZSB0byB1c2luZyByZXN1bHQgdHlwZXMgZm9yIHdyaXRlcyB1cHdhcmQgdGhyb3Vn aCBFVEhFUk5FVCwgSVAsIFVEUCwgVENQLCBhbmQgSUNNUCwgYW5kIHJld3JpdGVzIEZMT1cgdG8g dXNlIHJlc3VsdCB0eXBlcyBmb3IgYm90aCBgcmVhZGAgYW5kIGB3cml0ZWAuICBBbmlsIGhhcyBt YWRlIGEgbmljZSBwYXRjaCAobm93IG1lcmdlZCkgdG8gYGNoYW5uZWxgIHVzaW5nIHRoaXMgQVBJ IHdoaWNoIHlvdSBjYW4gc2VlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLWNo YW5uZWwvcHVsbC8xNCAuCj4+PiAKPj4+IFRoZXJlJ3MgYSBzaW1pbGFyIFBSLCBub3QgeWV0IG1l cmdlZCwgd2hpY2ggYWRkcyBlcnJvciB0eXBlcyBmb3IgS1ZfUk8sIEJMT0NLLCBhbmQgRlMgd2hp Y2ggeW91IGNhbiBzZWUgYXQgaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC83 MDUgLiAgSSdkIGFwcHJlY2lhdGUgbW9yZSBjb21tZW50cyBvbiB0aGlzIFBSLiAgSSdsbCBhZG1p dCB0aGF0IEknZCBlc3BlY2lhbGx5IGFwcHJlY2lhdGUgY29tbWVudHMgdG8gdGhlIGVmZmVjdCBv ZiAidGhpcyBpcyBiZXR0ZXIgdGhhbiB3aGF0IHdlIGhhZCBzbyBwbGVhc2UgbWVyZ2UgaXQiLgo+ PiAKPj4gVGhpcyBoYXMganVzdCBiZWVuIG1lcmdlZCBsYXJnZWx5IGFzIHdyaXR0ZW4uICBUaGFu a3MgdG8gZm9sa3Mgd2hvIGNvbW1lbnRlZCwgcGFydGljdWxhcmx5IHRhbGV4NSwgaGFubmVzbSwg YW5kIGxwdzI1LiAgT25nb2luZyB0aGFua3MgdG8gc2Ftb2h0LCB0YWxleDUsIGFuZCBoYW5uZXNt IGZvciB0aGVpciBwcmV2aW91cyB3b3JrIGluIHRoaXMgc3BhY2UuICBGdXJ0aGVyIGltcHJvdmVt ZW50cyBhcmUgYWx3YXlzIHBvc3NpYmxlIDspCj4gCj4gSSdtIHRha2luZyB3aGF0IEkgaG9wZSB3 aWxsIGJlIHRoZSBsYXN0IHBhc3MgYXQgaW5jb3Jwb3JhdGluZyBjaGFuZ2VzIHRvIHRoZSBlcnJv cnMgaW50ZXJmYWNlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlL3B1bGwvNzI5 IC4gIEFzIGEgc2F0aXNmYWN0b3J5IGludGVyZmFjZSBoZXJlIGlzIHRoZSBsYXN0IGJsb2NrZXIg dG8gYW4gQVBJIHRoYXQgbG9va3Mgc3Vic3RhbnRpYWxseSBsaWtlIHdoYXQgd2UnbGwgdXNlIGlu IE1pcmFnZU9TIDMsIEkgd291bGQgdmVyeSBtdWNoIGFwcHJlY2lhdGUgeW91ciBjb21tZW50cyBv ciBQUnMgYXMgc29vbiBhcyB5b3UgY2FuIGdldCB0aGVtIGluLCBhbmQgY2VydGFpbmx5IGJ5IChv ciBkdXJpbmcpIHRoZSBNaXJhZ2VPUyBjYWxsIG9uIFdlZG5lc2RheSB3aGljaCBJJ2xsIHNob3J0 bHkgYmUgc2VuZGluZyB0aGUgcmVtaW5kZXIgZm9yLgoKSSBoYXZlIGJlZW4gd29ya2luZyBvbiB0 aGF0IGlzc3VlIGluIHRoZSBwYXN0IGZldyBkYXlzLCB0aGUgcmVzdWx0IGlzIHRoZXJlOgoKaHR0 cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UvcHVsbC83NDMKCkkndmUgYWxzbyBtYWRlIG1p cmFnZS1za2VsZXRvbiBjb21waWxlcyBvbiB1bml4LCB4ZW4gYW5kIHNvbG81IHdpdGggdGhlc2Ug Y2hhbmdlcy4gQWxsIHRoZSBpbmRpdmlkdWFsIFBSIGFyZSBhbHNvIG1vc3RseSBncmVlbiAod2l0 aCBhIGZldyBleGNlcHRpb25zIHRoYXQgSSBhbSBzdGlsbCB0cmFja2luZyBkb3duLCBidXQgbm90 aGluZyBtYWpvcikuIEFsc28gTWluZHkgYWxyZWFkeSBwdXQgdGhhdCBjaGFuZ2VzZXQgbGl2ZVsx XSBzbyBJIGd1ZXNzIGl0J3MgZ29vZCBlbm91Z2ggOnAKCkkgd2lsbCBzdGFydCBtZXJnaW5nIGFs bCBvZiB0aGlzIHByZXR0eSBzb29uLCBzbyBleHBlY3Qgc29tZSBicmVha2FnZSBpZiB5b3UgdXNl IHRoZSBkZXYgdmVyc2lvbiBvZiBtaXJhZ2UuCgpCZXN0LApUaG9tYXMKClsxXTogaHR0cHM6Ly90 d2l0dGVyLmNvbS9taW5keXByZXN0b24vc3RhdHVzLzgxMjEzNzU1NjYwMzI2OTEyMQoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVs IG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczov L2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1k ZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Dec 23 11:08:59 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Dec 2016 11:08:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cKNiU-0003Xm-Si; 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Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 Subject: [MirageOS-devel] no MirageOS biweekly catchup this fortnight, next on 4 Jan 2017 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" SGkgYWxsLAoKSSdkIGxpa2UgdG8gcHJvcG9zZSB0aGF0IHdlIHNoaWZ0IHRoZSBNaXJhZ2VPUyBi aXdlZWtseSBjYXRjaHVwcyBieSBhIAp3ZWVrLCBjYW5jZWxpbmcgdGhlIGNhdGNodXAgdGhhdCB3 b3VsZCBoYXZlIHRha2VuIHBsYWNlIHRvbW9ycm93IGFuZCAKaG9sZGluZyB0aGUgbmV4dCBvbmUg b24gNCBKYW51YXJ5IDIwMTcuICBNYW55IG9mIG91ciBjb250cmlidXRvcnMgYXJlIAp0cmF2ZWxp bmcgb3Igb3RoZXJ3aXNlIG9jY3VwaWVkIHRoaXMgd2Vlay4KCkFsc28sIGFzc3VtaW5nIHdlIGNv bnRpbnVlIHRoZSBiaXdlZWtseSAoZm9ydG5pZ2h0bHkpIHNjaGVkdWxlLCB0aGlzIAp3b3VsZCBw bGFjZSBhbiBlYXJseSBNYXJjaCBjYXRjaHVwIG9uIDEgTWFyY2ggKGp1c3QgYmVmb3JlIHRoZSAK aGFja2F0aG9uKSByYXRoZXIgdGhhbiBvbiA4IE1hcmNoIChqdXN0IGFmdGVyKS4KClRoYW5rcywK Ck1pbmR5CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K TWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2pl Y3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3Rp bmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Thu Dec 29 18:01:17 2016 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Dec 2016 18:01:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cMf0j-0004qX-Kr; 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Thu, 29 Dec 2016 09:57:41 -0800 (PST) From: KC Sivaramakrishnan Date: Thu, 29 Dec 2016 17:57:41 +0000 X-Gmail-Original-Message-ID: Message-ID: To: mirageos-devel@lists.xenproject.org X-Mailman-Approved-At: Thu, 29 Dec 2016 18:01:05 +0000 Subject: [MirageOS-devel] [ANN] Ezirmin.0.1.0 : An easy interface on top of Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5378113569844834215==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============5378113569844834215== Content-Type: multipart/alternative; boundary=94eb2c04c6a255995c0544cfd24a --94eb2c04c6a255995c0544cfd24a Content-Type: text/plain; charset=UTF-8 Hi folks, Hope you've had a great Christmas and are looking forward to the New Year! I am pleased to announce the release of Ezirmin library. https://github.com/kayceesrk/ezirmin Ezirmin provides a simple de-functorized interface on top of the Irmin library. It comes with set of mergeable data types, instantiated to specific backends to quickly get going. I built Ezirmin since every time I came back to using Irmin after a break, I had to relearn how to instantiate the various functors. The de-functorized interface will (hopefully) reduce the entry barrier to using Irmin. Consequently, Ezirmin is not intended to provide all the functionality of Irmin, and only factors in commonly used features. The second goal of Ezirmin is to build and maintain a library of persistent mergeable data types (CRDTs with persistence). The wonderful efficient mergeable data types such as queues[0] and ropes[1] do not seem to be actively maintained, and Ezirmin is an attempt to maintain and encourage their use. Any and all comments are warmly welcome. Kind Regards, KC [0]: https://github.com/mirage/merge-queues/ [1]: https://github.com/mirage/merge-ropes/ --94eb2c04c6a255995c0544cfd24a Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi folks,

Hope you've had a great C= hristmas and are looking forward to the New Year!

= I am pleased to announce the release of Ezirmin library.


Ezirmin provides a simpl= e de-functorized interface on top of the Irmin library. It comes with set o= f mergeable data types, instantiated to specific backends to quickly get go= ing. I built Ezirmin since every time I came back to using Irmin after a br= eak, I had to relearn how to instantiate the various functors. The de-funct= orized interface will (hopefully) reduce the entry barrier to using Irmin. = Consequently, Ezirmin is not intended to provide all the functionality of I= rmin, and only factors in commonly used features.

= The second goal of Ezirmin is to build and maintain a library of persistent= mergeable data types (CRDTs with persistence). The wonderful efficient mer= geable data types such as queues[0] and ropes[1] do not seem to be actively= maintained, and Ezirmin is an attempt to maintain and encourage their use.= =C2=A0

Any and all comments are warmly welcome.

Kind Regards,
KC

=

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Sat, 17 Dec 2016 12:16:25 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id 8F/11-25657-89C25585; Sat, 17 Dec 2016 12:16:24 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrEIsWRWlGSWpSXmKPExsVyMfTOYd3pOqE RBncuKFv0tt5lcWD0OPzhCksAYxRrZl5SfkUCa8bUmwYFt00rps3+ztzA+FK3i5GTQ0hgPqPE y5tcXYxcHCwCrawS89resYA4EgJzWCVe/v/JClIlIZAjcWnyaWYIu0CiYU0/O4jNKyAocXLmE xaISd4S+07PZAOxOQXsJNbOXcEKMkhI4BmjxI0XTYwgCTYBHYmOc+/BbBYBVYmVLW/ZIAYFSM xa+htsmbCAvcTfvl6wZSIC6hLNW04wgdjMAoESD5Y8ZISwvSQO3lvEOIFRYBaSO2YhSc1i5AC y1SXWzxOCCGtLLFv4mhnCVpO4ve0qO7L4Aka2VYwaxalFZalFuobmeklFmekZJbmJmTm6hgbG ermpxcWJ6ak5iUnFesn5uZsYgWHOAAQ7GF+e9jzEKMnBpCTKO2VtSIQQX1J+SmVGYnFGfFFpT mrxIUYZDg4lCd7n2qERQoJFqempFWmZOcCIg0lLcPAoifA2aQGleYsLEnOLM9MhUqcYLTmOzV r8lIlj2jMQuatzzVMmIZa8/LxUKXHeVSDzBEAaMkrz4MbBksIlRlkpYV5GoAOFeApSi3IzS1D lXzGKczAqCfM+0gSawpOZVwK39RXQQUxAB1nMCwY5qCQRISXVwLhwudc841CjGU9WfPpksdVt 35knPel9Eq/37kqb19iayXtXoihca1ZOhOd9xxDOpSEbl1ic/fZWRficba//ja+7NdN3Mf893 6YW8j68fRfDrgW/6lg//Ymsl5GbFRgfLtDpOOP7nPiLSr80Pz5xbWq9IXmJRZp7N/uMeab57W c3Tjux+cqvI4VKLMUZiYZazEXFiQAxhIq+BQMAAA== X-Env-Sender: tom.j.ridge@googlemail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1481976982!76683852!1 X-Originating-IP: [209.85.220.195] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19364 invoked from network); 17 Dec 2016 12:16:23 -0000 Received: from mail-qk0-f195.google.com (HELO mail-qk0-f195.google.com) (209.85.220.195) by server-8.tower-31.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 17 Dec 2016 12:16:23 -0000 Received: by mail-qk0-f195.google.com with SMTP id n204so14916524qke.2 for ; Sat, 17 Dec 2016 04:16:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=t2bzJpxuXnKKI9wP6eRVXRKWTXQRwBNuaAvw7keUGWs=; b=almfFKqTx9L6NxKAv3ZE4j9/N6W+X6Gsor1cNq0d2SxMO2AZiJbRAJVhAwh4/1Ge1a P48NNnZHOVkADZ8vx7R35zxWzv9Eez8ZgFZLbTm+3Yyd8AbbSPnjURrUKeSmec87WEl5 8NUyadzTLqAY8VlQ7+USoUj+ZPuCPPB54Zy1Tx6vJWxwue4As9FTsGEaM9GNnrNrptAV HM4CsLF8KgR+zoGO/gIrxhqvVuVQ3Eqn+SxWCN4Ok3x4agQwfD2ipZRg6zP14lb6yhU7 rYx6QE06iGJoOMMORC6b4lLYpjKnmWk6PwUaXwSPE4iSO+WqdA4rXb9mj/9DuaQeV0Wx oLCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=t2bzJpxuXnKKI9wP6eRVXRKWTXQRwBNuaAvw7keUGWs=; b=Ikj/RABb+qXvM63VD9q7x/+0Db3ye8sPQt0LBYx0XbFi9Sypxgc0L8gkfx6m1/FVsw kKnk5316vIRwsz90oveNmWcK0nQZtSiD0KWxEl/pmIILkj/I/NXLLQNzDPPwxB73L7mk sO8IEsmrTbFto/jqt6Nq27Mg7W1CzsO0uv3mSHc2ChnBtrgpYeO2bkWSpJGGcrYqmZJa 417l8Sx2aGSGBUq0+Jk7z/TT/Xh1LuA9O51ruv3kVD8JjBXNe8cgVlA8HADk92U9262C uxowugMc4CEYcLqGvN/EguQCZRAb5Idljb0xVCAWTguiiWG7k71QQ/oISNIylhM00jOu YxJg== X-Gm-Message-State: AIkVDXIOk/FtN8gXoOiXAXPsS9oauXxH1zhrDXow/PQmQJZ3CwDHfTm/bfF6/UtME8YIFLMAyEbRlEp6PP9ETA== X-Received: by 10.55.22.194 with SMTP id 63mr1554736qkw.22.1481976982175; Sat, 17 Dec 2016 04:16:22 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.16.100 with HTTP; Sat, 17 Dec 2016 04:16:01 -0800 (PST) In-Reply-To: <3675A778-90D7-42C9-8035-448E711977E4@recoil.org> References: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> <3675A778-90D7-42C9-8035-448E711977E4@recoil.org> From: Tom Ridge Date: Sat, 17 Dec 2016 12:16:01 +0000 Message-ID: To: Anil Madhavapeddy X-Mailman-Approved-At: Thu, 29 Dec 2016 18:01:05 +0000 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1698952378993220128==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============1698952378993220128== Content-Type: multipart/alternative; boundary=001a11496842968c580543d9a7c2 --001a11496842968c580543d9a7c2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I'm also working in this area! At the moment I have a working B-tree implementation (with delete!) and I hope to interface this to ocaml-9p, to provide a remote "persistent map" (KV store) which could be mounted in Linux. Of course, it could also be used directly on the mirage block layer without much further work. Performance is looking very good, primarily because of various optimizations to the B-tree (bulk-insert, caching, delayed write till sync etc). So I am not sure that it is worth starting another project. Ultimately I want to provide a POSIX filesystem interface, via sibylfs. Thanks T On 14 December 2016 at 17:13, Anil Madhavapeddy wrote: > On 14 Dec 2016, at 17:09, Gabriel de Perthuis wrote: > > > > Le 14/12/2016 =C3=A0 17:23, Sean Grove a =C3=A9crit : > >> I'm announcing I intend to work on the Mirage storage stack. > >> > >> Very cool! > >> > >> > >> There is a clear need for something that sits on top of the BLOCK A= PI > >> and provides higher-level capabilities. I'm planning to write a > >> storage library that provides a key-value store (with fixed-size > keys) > >> and an Irmin backend. A more generic key-value store with variable > >> size keys could also be implemented on top. > >> > >> > >> A lot of my use cases are probably in the minority for Mirage, but wil= l > >> you design/implement it with an eye towards the JavaScript runtime > >> (either via jsoo of BuckleScript)? The dream for me has always been to > >> sync data between web/mobile clients and a Mirage server, like > Cuekeeper. > > > > I think CueKeeper should be able to take advantage of a new Irmin > > backend pretty easily. Both ends of the connection are using Irmin, th= e > > browser uses an IndexedDB backend, and the server could start using thi= s > > new disk-backed Irmin backend. > > > > The key-value API will include details about handling disk barriers, > > garbage collection, possibly other things that are not relevant to the > > browser. That API won't aim to be easily reimplemented in a browser. > > But Irmin can be, so that shouldn't be an issue. > > I believe that Thomas Gazagnaire has been working on a revision of > the Irmin API that distills down the interface to a simpler version for > the common path. We've been using Irmin pretty heavily in Docker for Mac= , > so the lessons learnt from that use should hopefully translate into a mor= e > lightweight developer experience for the Irmin v2 API. > > regards, > Anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --001a11496842968c580543d9a7c2 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I'm also working in this area!

At t= he moment I have a working B-tree implementation (with delete!) and I hope = to interface this to ocaml-9p, to provide a remote "persistent map&quo= t; (KV store) which could be mounted in Linux. Of course, it could also be = used directly on the mirage block layer without much further work. Performa= nce is looking very good, primarily because of various optimizations to the= B-tree (bulk-insert, caching, delayed write till sync etc).

=
So I am not sure that it is worth starting another project.

Ultimately I want to provide a POSIX filesystem interf= ace, via sibylfs.

Thanks

= T



<= div class=3D"gmail_quote">On 14 December 2016 at 17:13, Anil Madhavapeddy <= span dir=3D"ltr"><a= nil@recoil.org> wrote:
On 14 Dec 2016, at 17:09, Gabriel de Perthuis <g2p.code@gmail.com> wrote:
>
> Le 14/12/2016 =C3=A0 17:23, Sean Grove a =C3=A9crit :
>>=C2=A0 =C2=A0 I'm announcing I intend to work on the Mirage sto= rage stack.
>>
>> Very cool!
>>
>>
>>=C2=A0 =C2=A0 There is a clear need for something that sits on top = of the BLOCK API
>>=C2=A0 =C2=A0 and provides higher-level capabilities.=C2=A0 I'm= planning to write a
>>=C2=A0 =C2=A0 storage library that provides a key-value store (with= fixed-size keys)
>>=C2=A0 =C2=A0 and an Irmin backend.=C2=A0 A more generic key-value = store with variable
>>=C2=A0 =C2=A0 size keys could also be implemented on top.
>>
>>
>> A lot of my use cases are probably in the minority for Mirage, but= will
>> you design/implement it with an eye towards the JavaScript runtime=
>> (either via jsoo of BuckleScript)? The dream for me has always bee= n to
>> sync data between web/mobile clients and a Mirage server, like Cue= keeper.
>
> I think CueKeeper should be able to take advantage of a new Irmin
> backend pretty easily.=C2=A0 Both ends of the connection are using Irm= in, the
> browser uses an IndexedDB backend, and the server could start using th= is
> new disk-backed Irmin backend.
>
> The key-value API will include details about handling disk barriers, > garbage collection, possibly other things that are not relevant to the=
> browser.=C2=A0 That API won't aim to be easily reimplemented in a = browser.
> But Irmin can be, so that shouldn't be an issue.

I believe that Thomas Gazagnaire has been working on a revision of the Irmin API that distills down the interface to a simpler version for
the common path.=C2=A0 We've been using Irmin pretty heavily in Docker = for Mac,
so the lessons learnt from that use should hopefully translate into a more<= br> lightweight developer experience for the Irmin v2 API.

regards,
Anil
______________________________= _________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

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I am pleased to announce the release of Ezirmin library. https://github.com/kayceesrk/ezirmin Ezirmin provides a simple de-functorized interface on top of the Irmin library. It comes with set of mergeable data types, instantiated to specific backends to quickly get going. I built Ezirmin since every time I came back to using Irmin after a break, I had to relearn how to instantiate the various functors. The de-functorized interface will (hopefully) reduce the entry barrier to using Irmin. Consequently, Ezirmin is not intended to provide all the functionality of Irmin, and only factors in commonly used features. The second goal of Ezirmin is to build and maintain a library of persistent mergeable data types (CRDTs with persistence). The wonderful efficient mergeable data types such as queues[0] and ropes[1] do not seem to be actively maintained, and Ezirmin is an attempt to maintain and encourage their use. Any and all comments are warmly welcome. Kind Regards, KC [0]: https://github.com/mirage/merge-queues/ [1]: https://github.com/mirage/merge-ropes/ --94eb2c04c6a255995c0544cfd24a Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi folks,

Hope you've had a great C= hristmas and are looking forward to the New Year!

= I am pleased to announce the release of Ezirmin library.


Ezirmin provides a simpl= e de-functorized interface on top of the Irmin library. It comes with set o= f mergeable data types, instantiated to specific backends to quickly get go= ing. I built Ezirmin since every time I came back to using Irmin after a br= eak, I had to relearn how to instantiate the various functors. The de-funct= orized interface will (hopefully) reduce the entry barrier to using Irmin. = Consequently, Ezirmin is not intended to provide all the functionality of I= rmin, and only factors in commonly used features.

= The second goal of Ezirmin is to build and maintain a library of persistent= mergeable data types (CRDTs with persistence). The wonderful efficient mer= geable data types such as queues[0] and ropes[1] do not seem to be actively= maintained, and Ezirmin is an attempt to maintain and encourage their use.= =C2=A0

Any and all comments are warmly welcome.

Kind Regards,
KC

=

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boundary="===============1698952378993220128==" Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" --===============1698952378993220128== Content-Type: multipart/alternative; boundary=001a11496842968c580543d9a7c2 --001a11496842968c580543d9a7c2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I'm also working in this area! At the moment I have a working B-tree implementation (with delete!) and I hope to interface this to ocaml-9p, to provide a remote "persistent map" (KV store) which could be mounted in Linux. Of course, it could also be used directly on the mirage block layer without much further work. Performance is looking very good, primarily because of various optimizations to the B-tree (bulk-insert, caching, delayed write till sync etc). So I am not sure that it is worth starting another project. Ultimately I want to provide a POSIX filesystem interface, via sibylfs. Thanks T On 14 December 2016 at 17:13, Anil Madhavapeddy wrote: > On 14 Dec 2016, at 17:09, Gabriel de Perthuis wrote: > > > > Le 14/12/2016 =C3=A0 17:23, Sean Grove a =C3=A9crit : > >> I'm announcing I intend to work on the Mirage storage stack. > >> > >> Very cool! > >> > >> > >> There is a clear need for something that sits on top of the BLOCK A= PI > >> and provides higher-level capabilities. I'm planning to write a > >> storage library that provides a key-value store (with fixed-size > keys) > >> and an Irmin backend. A more generic key-value store with variable > >> size keys could also be implemented on top. > >> > >> > >> A lot of my use cases are probably in the minority for Mirage, but wil= l > >> you design/implement it with an eye towards the JavaScript runtime > >> (either via jsoo of BuckleScript)? The dream for me has always been to > >> sync data between web/mobile clients and a Mirage server, like > Cuekeeper. > > > > I think CueKeeper should be able to take advantage of a new Irmin > > backend pretty easily. Both ends of the connection are using Irmin, th= e > > browser uses an IndexedDB backend, and the server could start using thi= s > > new disk-backed Irmin backend. > > > > The key-value API will include details about handling disk barriers, > > garbage collection, possibly other things that are not relevant to the > > browser. That API won't aim to be easily reimplemented in a browser. > > But Irmin can be, so that shouldn't be an issue. > > I believe that Thomas Gazagnaire has been working on a revision of > the Irmin API that distills down the interface to a simpler version for > the common path. We've been using Irmin pretty heavily in Docker for Mac= , > so the lessons learnt from that use should hopefully translate into a mor= e > lightweight developer experience for the Irmin v2 API. > > regards, > Anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --001a11496842968c580543d9a7c2 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I'm also working in this area!

At t= he moment I have a working B-tree implementation (with delete!) and I hope = to interface this to ocaml-9p, to provide a remote "persistent map&quo= t; (KV store) which could be mounted in Linux. Of course, it could also be = used directly on the mirage block layer without much further work. Performa= nce is looking very good, primarily because of various optimizations to the= B-tree (bulk-insert, caching, delayed write till sync etc).

=
So I am not sure that it is worth starting another project.

Ultimately I want to provide a POSIX filesystem interf= ace, via sibylfs.

Thanks

= T



<= div class=3D"gmail_quote">On 14 December 2016 at 17:13, Anil Madhavapeddy <= span dir=3D"ltr"><a= nil@recoil.org> wrote:
On 14 Dec 2016, at 17:09, Gabriel de Perthuis <g2p.code@gmail.com> wrote:
>
> Le 14/12/2016 =C3=A0 17:23, Sean Grove a =C3=A9crit :
>>=C2=A0 =C2=A0 I'm announcing I intend to work on the Mirage sto= rage stack.
>>
>> Very cool!
>>
>>
>>=C2=A0 =C2=A0 There is a clear need for something that sits on top = of the BLOCK API
>>=C2=A0 =C2=A0 and provides higher-level capabilities.=C2=A0 I'm= planning to write a
>>=C2=A0 =C2=A0 storage library that provides a key-value store (with= fixed-size keys)
>>=C2=A0 =C2=A0 and an Irmin backend.=C2=A0 A more generic key-value = store with variable
>>=C2=A0 =C2=A0 size keys could also be implemented on top.
>>
>>
>> A lot of my use cases are probably in the minority for Mirage, but= will
>> you design/implement it with an eye towards the JavaScript runtime=
>> (either via jsoo of BuckleScript)? The dream for me has always bee= n to
>> sync data between web/mobile clients and a Mirage server, like Cue= keeper.
>
> I think CueKeeper should be able to take advantage of a new Irmin
> backend pretty easily.=C2=A0 Both ends of the connection are using Irm= in, the
> browser uses an IndexedDB backend, and the server could start using th= is
> new disk-backed Irmin backend.
>
> The key-value API will include details about handling disk barriers, > garbage collection, possibly other things that are not relevant to the=
> browser.=C2=A0 That API won't aim to be easily reimplemented in a = browser.
> But Irmin can be, so that shouldn't be an issue.

I believe that Thomas Gazagnaire has been working on a revision of the Irmin API that distills down the interface to a simpler version for
the common path.=C2=A0 We've been using Irmin pretty heavily in Docker = for Mac,
so the lessons learnt from that use should hopefully translate into a more<= br> lightweight developer experience for the Irmin v2 API.

regards,
Anil
______________________________= _________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

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(Mac OS X Mail 10.1 \(3251\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 29 Dec 2016 18:12:35 +0000 Message-Id: References: To: KC Sivaramakrishnan X-Mailer: Apple Mail (2.3251) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANN] Ezirmin.0.1.0 : An easy interface on top of Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" T24gMjkgRGVjIDIwMTYsIGF0IDE3OjU3LCBLQyBTaXZhcmFtYWtyaXNobmFuIDxzazgyNkBjYW0u YWMudWs+IHdyb3RlOgo+IAo+IEhpIGZvbGtzLAo+IAo+IEhvcGUgeW91J3ZlIGhhZCBhIGdyZWF0 IENocmlzdG1hcyBhbmQgYXJlIGxvb2tpbmcgZm9yd2FyZCB0byB0aGUgTmV3IFllYXIhCj4gCj4g SSBhbSBwbGVhc2VkIHRvIGFubm91bmNlIHRoZSByZWxlYXNlIG9mIEV6aXJtaW4gbGlicmFyeS4K 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with ESMTPSA id dbe1fe78 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Thu, 29 Dec 2016 18:14:51 +0000 (GMT) Mime-Version: 1.0 (Mac OS X Mail 10.1 \(3251\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 29 Dec 2016 18:14:51 +0000 Message-Id: <500902FC-0115-43A0-8754-C5295D7256E6@recoil.org> References: <1ded992c-7845-7386-725e-6c993217cabf@gmail.com> <3675A778-90D7-42C9-8035-448E711977E4@recoil.org> To: Tom Ridge X-Mailer: Apple Mail (2.3251) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] [ANNOUNCE] Mirage storage project X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: mirageos-devel-bounces@lists.xenproject.org Sender: "MirageOS-devel" SnVzdCB0byB1cGRhdGUgdGhlIGxpc3QsIFRvbSBhbmQgR2FicmllbCBoYWQgYW4gb2ZmLWxpc3Qg 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-0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 29 Dec 2016 18:15:27 -0000 Received: from bark.recoil.org (localhost [127.0.0.1]) by bark.recoil.org (OpenSMTPD) with ESMTP id d7fa8c9a; Thu, 29 Dec 2016 18:15:27 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=recoil.org; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; s= selector1; bh=HfqePkhMQBsitC/FDjdw9DIkfMo=; b=GExE9kp9krX27EfkUy Fz8Vqp2nu04g+sUbXCoWNRRHH5UjxiQxE+YbqVevJdnfxm8xqpcjePjOO5QboKkE qK94AK5foncGpJG/ETKNOaKFSfTkbQa2y9bxDVUpuo3GII7OhXEZxdAl8ff6l+B/ qN+Hu4M0j9pkMT0e33JtmvHXs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=recoil.org; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; q=dns; s= selector1; b=Ce9o8AsP31OLhtbAxJhKI8RQbYlLdQv4e1KW8UrJ4Px/qe6U5JK 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