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Wed, 1 Jan 2020 20:56:57 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at dingwall.me.uk Received: from mail0.xen.dingwall.me.uk ([IPv6:::1]) by localhost (mail0.xen.dingwall.me.uk [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id abClNve3Mz07; Wed, 1 Jan 2020 20:56:56 +0000 (UTC) Received: from behemoth.dingwall.me.uk (behemoth.dingwall.me.uk [IPv6:2001:470:695c:302::c0a8:105]) by dingwall.me.uk (Postfix) with ESMTP id D37C216211E; Wed, 1 Jan 2020 20:56:56 +0000 (UTC) Received: by behemoth.dingwall.me.uk (Postfix, from userid 1000) id A91F9148D80; Wed, 1 Jan 2020 20:56:56 +0000 (UTC) Date: Wed, 1 Jan 2020 20:56:56 +0000 From: James Dingwall To: xen-users@lists.xenproject.org Message-ID: <20200101205656.GA8477@dingwall.me.uk> References: <65a1d9f6-7fa3-4f5c-81ac-488a34a8fbbf@www.fastmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <65a1d9f6-7fa3-4f5c-81ac-488a34a8fbbf@www.fastmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CMAE-Envelope: MS4wfHYP9Fqtin/iLgY7IwGrhgA96ule/GnPq1q1nYLtTV/2fb4KXdnsSwSjME0NPHck2WYwBhyzAbWVajWECUAo+0ga3Dn0lDc7ea7NUs5tMp+spbRgLqlb 8tfDAVQnJ4S6maNaaS5QwnlkeOx4eSRp0v4XJfUFYbj/wD5fEkqX9u5RavjP34BPGoqpgLZwfZ0XePqrNYoXZuFPrXy2E5LYaM/KMBW1NjFgorQsi8cXX87c Subject: Re: [Xen-users] Help debugging boot crash X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Aaron Janse Content-Type: text/plain; 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Mon, 6 Jan 2020 15:34:07 +0000 Received: from PS1PR03MB3463.apcprd03.prod.outlook.com ([fe80::1c1:72a1:cd3d:cad2]) by PS1PR03MB3463.apcprd03.prod.outlook.com ([fe80::1c1:72a1:cd3d:cad2%4]) with mapi id 15.20.2623.008; Mon, 6 Jan 2020 15:34:07 +0000 From: Rajagopal Aravindan To: "xen-users@lists.xenproject.org" Thread-Topic: Xen on iMX8-MQ Thread-Index: AQHVxKXrkO6Y8SbOOk2c45/o4qCOqA== Date: Mon, 6 Jan 2020 15:34:06 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=a.rajagopal@globaledgesoft.com; x-originating-ip: [103.31.215.82] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 18c33986-22f8-44d8-92e3-08d792bdde2b x-ms-traffictypediagnostic: PS1PR03MB4970: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7219; x-forefront-prvs: 0274272F87 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(136003)(396003)(376002)(346002)(366004)(39840400004)(189003)(199004)(33656002)(91956017)(6916009)(76116006)(8936002)(26005)(186003)(66946007)(4326008)(66446008)(316002)(81156014)(66476007)(81166006)(8676002)(64756008)(66556008)(55016002)(2906002)(66574012)(478600001)(52536014)(4744005)(86362001)(19627405001)(5660300002)(71200400001)(6506007)(7696005)(9686003); 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boundary="===============0405872286445904043==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0405872286445904043== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_PS1PR03MB34639F86C3BE2191AC16DCCF913C0PS1PR03MB3463apcp_" --_000_PS1PR03MB34639F86C3BE2191AC16DCCF913C0PS1PR03MB3463apcp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello Xen-Users, New year greetings to all ! W.r.t the subject, we built a Dom-0 kernel and tried booting it, but ran in= to below error .... u-boot=3D> fdt set /chosen/module@0 compatible "xen,linux-zimage", "xen,mul= tiboot-module" libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND Can someone please clarify what is wrong in the above or if the combo in th= e subject is NOT supported ? Thanks, Rajagopal Disclaimer: "This message is intended only for the designated recipient(s).= It may contain confidential or proprietary information and may be subject = to other confidentiality protections. If you are not a designated recipient= , you may not review, copy or distribute this message. Please notify the se= nder by e-mail and delete this message. GlobalEdge does not accept any liab= ility for virus infected mails." --_000_PS1PR03MB34639F86C3BE2191AC16DCCF913C0PS1PR03MB3463apcp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hello Xen-Users,

New year greetings to all !

W.r.t the subject, we built a Dom-0 kernel a= nd tried booting it, but ran into below error ....

u-boot=3D> fdt set /chosen/mo= dule@0 compatible "xen,linux-zimage", "xen,multiboot-module&= quot;
libfdt fdt_path_offset() ret= urned FDT_ERR_NOTFOUND

Can someone please clarify what is wrong in the above or if the combo in th= e subject is NOT supported ?

Thanks,
Rajagopal


Disclaimer: "This message is intended only for the designated recipien= t(s). It may contain confidential or proprietary information and may be sub= ject to other confidentiality protections. If you are not a designated reci= pient, you may not review, copy or distribute this message. 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boundary="===============0117407937792545649==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0117407937792545649== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_AM0PR04MB4481A1A3B89414625B15888E883F0AM0PR04MB4481eurp_" --_000_AM0PR04MB4481A1A3B89414625B15888E883F0AM0PR04MB4481eurp_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 RGlkIHlvdSBjcmVhdGUgY2hvc2VuL21vZHVsZUAwIG5vZGU/DQoNCkFsc28gd291bGQgeW91IG1p bmQgc2hhcmUgeW91ciB1c2UgY2FzZSB1c2luZyBpLk1YOE1RIHdpdGggWEVOPw0KDQpSZWdhcmRz LA0KUGVuZy4NCg0KRnJvbTogWGVuLXVzZXJzIDx4ZW4tdXNlcnMtYm91bmNlc0BsaXN0cy54ZW5w cm9qZWN0Lm9yZz4gT24gQmVoYWxmIE9mIFJhamFnb3BhbCBBcmF2aW5kYW4NClNlbnQ6IDIwMjDE 6jHUwjbI1SAyMzozNA0KVG86IHhlbi11c2Vyc0BsaXN0cy54ZW5wcm9qZWN0Lm9yZw0KQ2M6IEp1 bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+DQpTdWJqZWN0OiBbWGVuLXVzZXJzXSBY ZW4gb24gaU1YOC1NUQ0KDQoNCkhlbGxvIFhlbi1Vc2VycywNCg0KTmV3IHllYXIgZ3JlZXRpbmdz IHRvIGFsbCAhDQoNClcuci50IHRoZSBzdWJqZWN0LCB3ZSBidWlsdCBhIERvbS0wIGtlcm5lbCBh bmQgdHJpZWQgYm9vdGluZyBpdCwgYnV0IHJhbiBpbnRvIGJlbG93IGVycm9yIC4uLi4NCg0KdS1i b290PT4gZmR0IHNldCAvY2hvc2VuL21vZHVsZUAwIGNvbXBhdGlibGUgInhlbixsaW51eC16aW1h Z2UiLCAieGVuLG11bHRpYm9vdC1tb2R1bGUiDQpsaWJmZHQgZmR0X3BhdGhfb2Zmc2V0KCkgcmV0 dXJuZWQgRkRUX0VSUl9OT1RGT1VORA0KDQpDYW4gc29tZW9uZSBwbGVhc2UgY2xhcmlmeSB3aGF0 IGlzIHdyb25nIGluIHRoZSBhYm92ZSBvciBpZiB0aGUgY29tYm8gaW4gdGhlIHN1YmplY3QgaXMg Tk9UIHN1cHBvcnRlZCA/DQoNClRoYW5rcywNClJhamFnb3BhbA0KDQoNCkRpc2NsYWltZXI6ICJU aGlzIG1lc3NhZ2UgaXMgaW50ZW5kZWQgb25seSBmb3IgdGhlIGRlc2lnbmF0ZWQgcmVjaXBpZW50 KHMpLiBJdCBtYXkgY29udGFpbiBjb25maWRlbnRpYWwgb3IgcHJvcHJpZXRhcnkgaW5mb3JtYXRp b24gYW5kIG1heSBiZSBzdWJqZWN0IHRvIG90aGVyIGNvbmZpZGVudGlhbGl0eSBwcm90ZWN0aW9u cy4gSWYgeW91IGFyZSBub3QgYSBkZXNpZ25hdGVkIHJlY2lwaWVudCwgeW91IG1heSBub3QgcmV2 aWV3LCBjb3B5IG9yIGRpc3RyaWJ1dGUgdGhpcyBtZXNzYWdlLiBQbGVhc2Ugbm90aWZ5IHRoZSBz ZW5kZXIgYnkgZS1tYWlsIGFuZCBkZWxldGUgdGhpcyBtZXNzYWdlLiBHbG9iYWxFZGdlIGRvZXMg bm90IGFjY2VwdCBhbnkgbGlhYmlsaXR5IGZvciB2aXJ1cyBpbmZlY3RlZCBtYWlscy4iDQo= --_000_AM0PR04MB4481A1A3B89414625B15888E883F0AM0PR04MB4481eurp_ Content-Type: text/html; 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Did you create chosen/module@0 node?

 

Also would you mind share your use case using i.MX8MQ with XEN?

 

Regards,

Peng.

 

From: Xen-users <xen-users-bounces@lists.xenproject.org> On Behalf Of Rajagopal Aravindan
Sent: 2020=C4=EA1=D4=C2<= /span>6=C8=D5 23:= 34
To: xen-users@lists.xenproject.org
Cc: Julien Grall <julien.grall@arm.com>
Subject: [Xen-users] Xen on iMX8-MQ

 


Hello Xen-Users,

 

New year greetings to all !

 

W.r.t the subject, we built a Dom-0 kernel and tried booting it, bu= t ran into below error ....

 

u-boot=3D> fdt set /chosen/module@0 compatible "xen,l= inux-zimage", "xen,multiboot-module"

libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND

 

Can someone please clarify what is wrong in the above or if the com= bo in the subject is NOT supported ?

 

Thanks,

Rajagopal

 

 

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--_000_AM0PR04MB4481A1A3B89414625B15888E883F0AM0PR04MB4481eurp_-- --===============0117407937792545649== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============0117407937792545649==-- From xen-users-bounces@lists.xenproject.org Tue Jan 07 07:31:19 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 07 Jan 2020 07:31:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iojJL-00032V-EN; Tue, 07 Jan 2020 07:29:55 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iojJJ-00032L-Nd for xen-users@lists.xenproject.org; Tue, 07 Jan 2020 07:29:53 +0000 X-Inumbo-ID: 7eb219a6-311f-11ea-b6f1-bc764e2007e4 Received: from mail-qk1-x72e.google.com (unknown [2607:f8b0:4864:20::72e]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 7eb219a6-311f-11ea-b6f1-bc764e2007e4; Tue, 07 Jan 2020 07:29:52 +0000 (UTC) Received: by mail-qk1-x72e.google.com with SMTP id x129so41833852qke.8 for ; Mon, 06 Jan 2020 23:29:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=2qbK7PmpgjlXWhvzDJ68qV2HVkf7LpPKrw6kmMJlmZo=; b=GLI8hTfl1dt+ksknci4Nvxf5dsd3WdT96ns5GCLHRtVr+OxFYFK/COMnqQXTPrnETS ao5KbFgxcS6A8uzxEIsh0s/aTl8TmdXHGlS5N+j8SQ4jo36LI32DovI+30BJJhMc28Wn gZPNy1jlWiV1lo1+h+bDxCGWXFhCqI9YXC9v/fmzw/66jso0EMQu1ZCatXjyrvl4251/ 5GupJC1TH1T8nl4DSva14OwGgIEhUp4a4iRriIyDJc+UWG87iWRzt8oxUf3VvgbEVyZV TmXGhhXLMVXB8zublH0vIs0Xb0ORQpRe6fxHKxiRjZMDz5WfRHduwczNoULz049GWAri cSSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=2qbK7PmpgjlXWhvzDJ68qV2HVkf7LpPKrw6kmMJlmZo=; b=dDolLz9gqJFxpUFNifXR/TlB+Wja5qsR2oy/U8/fHdWBf8h2LTQ/JO2RGywPNGQxR4 hLhidhQptpky/AQarEqIf7oCGpC4NLCg+IfAAgox/aMLesfjUfzde/Q0dff2vtD3xQqL YSmwQzkYaZhiO+bMJAjLLYkqJpcaq47xfLUm06OXD3WH5fr4qMgnws0z61S8y0VqXb9x IjlIrwoA/6emLbAI0UQcSH6NK7k7mLub3k5GaMz/kA8pEpyXvBtEfhowEHlETDuiePvA +4l3MkbT/zZAcmWvi+i4dSyfhRW7686XvFWUhZ3qM4badsiuk6JE2KhFOeGjU5BFEdQ4 8Ilg== X-Gm-Message-State: APjAAAWQW4LKwLK/aTuo7ObUFVDMTb+Bo6VETtMMNYMdOfm6KW000uYV d5rVJTrgP7XwJ+qnn7qTFIJlpio9go8Xc1/7m8xiLksA X-Google-Smtp-Source: APXvYqxEtogMMnW8TPekkHaDOLR1qo2QoppbtwBgqglRkJrAMse9Kfn/htqi3zIvWaHJ/JkawVNatEmNz54WlF36Qxs= X-Received: by 2002:a05:620a:2094:: with SMTP id e20mr84286345qka.315.1578382192082; Mon, 06 Jan 2020 23:29:52 -0800 (PST) MIME-Version: 1.0 From: Tomas Mozes Date: Tue, 7 Jan 2020 08:29:01 +0100 Message-ID: To: xen-users@lists.xenproject.org, jbeulich@suse.com Subject: [Xen-users] xen domU stall on 4.12.1 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0330866157374771501==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0330866157374771501== Content-Type: multipart/alternative; boundary="000000000000e10365059b87bdb5" --000000000000e10365059b87bdb5 Content-Type: text/plain; charset="UTF-8" Hello, I've tried upgrading one of my long running Xen-dom0 machines from Xen 4.11.3 to 4.12.1. It's been working fine for several days, but after that one of the domUs failed the monitoring checks and it was impossible to access it via ssh. From the monitoring it's visible that the load just starts to grow linearly (the memory consumption grows too as new monitoring processes are spawned and don't finish) and the machine is simply stuck. It happened 3 times during the last 3 weeks. The Dom0 is working fine, just one of the domUs is stuck (always the same domU is stuck). Xen got upgraded 19.12.2019, the first lockup happened 26.12.2019, then 28.12.2019 and 5.1.2020. The domU kernel log is full of these messages: Jan 5 13:19:20 kernel: [680493.141103] INFO: rcu_sched detected stalls on CPUs/tasks: Jan 5 13:19:20 kernel: [680493.141107] (detected by 12, t=147012 jiffies, g=72555998, c=72555997, q=89937) Jan 5 13:19:20 kernel: [680493.141112] All QSes seen, last rcu_sched kthread activity 147012 (4975178416-4975031404), jiffies_till_next_fqs=3, root ->qsmask 0x0 Jan 5 13:19:20 kernel: [680493.141114] php-fpm R running task 14024 17581 2249 0x00000000 Jan 5 13:19:20 kernel: [680493.141120] Call Trace: Jan 5 13:19:20 kernel: [680493.141124] Jan 5 13:19:20 kernel: [680493.141131] sched_show_task.cold+0xb4/0xcb Jan 5 13:19:20 kernel: [680493.141135] rcu_check_callbacks.cold+0x36d/0x3ba Jan 5 13:19:20 kernel: [680493.141138] update_process_times+0x24/0x60 Jan 5 13:19:20 kernel: [680493.141143] tick_sched_handle+0x30/0x50 Jan 5 13:19:20 kernel: [680493.141145] tick_sched_timer+0x30/0x70 Jan 5 13:19:20 kernel: [680493.141147] ? tick_sched_do_timer+0x40/0x40 Jan 5 13:19:20 kernel: [680493.141149] __hrtimer_run_queues+0xbc/0x1f0 Jan 5 13:19:20 kernel: [680493.141153] hrtimer_interrupt+0xa0/0x1d0 Jan 5 13:19:20 kernel: [680493.141158] xen_timer_interrupt+0x1e/0x30 Jan 5 13:19:20 kernel: [680493.141162] __handle_irq_event_percpu+0x3d/0x160 Jan 5 13:19:20 kernel: [680493.141164] handle_irq_event_percpu+0x1c/0x60 Jan 5 13:19:20 kernel: [680493.141168] handle_percpu_irq+0x32/0x50 Jan 5 13:19:20 kernel: [680493.141171] generic_handle_irq+0x1f/0x30 Jan 5 13:19:20 kernel: [680493.141175] __evtchn_fifo_handle_events+0x13f/0x150 Jan 5 13:19:20 kernel: [680493.141181] __xen_evtchn_do_upcall+0x53/0x90 Jan 5 13:19:20 kernel: [680493.141186] xen_evtchn_do_upcall+0x22/0x40 Jan 5 13:19:20 kernel: [680493.141191] xen_hvm_callback_vector+0x85/0x90 Jan 5 13:19:20 kernel: [680493.141192] Jan 5 13:19:20 kernel: [680493.141194] RIP: 0033:0x56398dc8a959 Jan 5 13:19:20 kernel: [680493.141195] RSP: 002b:00007ffdd588d3d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff0c Jan 5 13:19:20 kernel: [680493.141197] RAX: 0000000000000060 RBX: 00007f6ea3aa02e0 RCX: 0000000000000000 Jan 5 13:19:20 kernel: [680493.141198] RDX: 00007f6ea3aa02a0 RSI: 00007ffdd588d3d8 RDI: 00007ffdd588d3e0 Jan 5 13:19:20 kernel: [680493.141199] RBP: 00007f6ea3a9b5b0 R08: 00007f6ea49be770 R09: 00007f6ea483cdc0 Jan 5 13:19:20 kernel: [680493.141200] R10: 00007f6eae520a40 R11: 00007f6eae4933c0 R12: 00005639902892a0 Jan 5 13:19:20 kernel: [680493.141201] R13: 0000000000000000 R14: 00007f6eae41e930 R15: 00007f6ea7077138 Jan 5 13:19:20 kernel: [680493.141204] rcu_sched kthread starved for 147012 jiffies! g72555998 c72555997 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x200 ->cpu=3 Jan 5 13:19:20 kernel: [680493.141205] rcu_sched R15016 8 2 0x80000000 Jan 5 13:19:20 kernel: [680493.141210] Call Trace: Jan 5 13:19:20 kernel: [680493.141215] ? __schedule+0x24e/0x710 Jan 5 13:19:20 kernel: [680493.141216] schedule+0x2d/0x80 Jan 5 13:19:20 kernel: [680493.141219] schedule_timeout+0x16c/0x340 Jan 5 13:19:20 kernel: [680493.141221] ? call_timer_fn+0x130/0x130 Jan 5 13:19:20 kernel: [680493.141222] rcu_gp_kthread+0x486/0xd60 Jan 5 13:19:20 kernel: [680493.141224] kthread+0xfd/0x130 Jan 5 13:19:20 kernel: [680493.141226] ? force_qs_rnp+0x170/0x170 Jan 5 13:19:20 kernel: [680493.141227] ? __kthread_parkme+0x90/0x90 Jan 5 13:19:20 kernel: [680493.141228] ret_from_fork+0x35/0x40 Xen-dom0 is running kernel 4.14.158 and these xen command line options: GRUB_CMDLINE_XEN="dom0_mem=4G gnttab_max_frames=256 ucode=scan loglvl=all guest_loglvl=all console_to_ring console_timestamps=date conring_size=1m smt=true iommu=no-intremap" Xen-domU config: name = "machine" kernel = "kernel-4.14.159-gentoo-xen" memory = 10000 vcpus = 16 vif = [ '' ] disk = [ '...root,raw,xvda,rw', '...opt,raw,xvdc,rw', '...home,raw,xvdb,rw', '...tmp,raw,xvdd,rw', '...var,raw,xvde,rw', ] extra = "root=/dev/xvda net.ifnames=0 console=ttyS0 console=ttyS0,38400n8" type = "hvm" sdl = 0 vnc = 0 serial='pty' xen_platform_pci=1 max_grant_frames = 256 I've had issues like this in the past with the grant frames (basically this issue https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=880554), maybe some other value needs to be raised too? Thanks, Tomas --000000000000e10365059b87bdb5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello,
I've tried upgrading one of my long running = Xen-dom0 machines from Xen 4.11.3 to 4.12.1. It's been working fine for= several days, but after that one of the domUs failed the monitoring checks= and it was impossible to access it via ssh. From the monitoring it's v= isible that the load just starts to grow linearly (the memory consumption g= rows too as new monitoring processes are spawned and don't finish) and = the machine is simply stuck. It happened 3 times during the last 3 weeks. T= he Dom0 is working fine, just one of the domUs is stuck (always the same do= mU is stuck).

Xen got upgraded 19.12.2019, the first lockup happened= 26.12.2019, then 28.12.2019 and 5.1.2020.

The domU kernel log is fu= ll of these messages:
Jan =C2=A05 13:19:20 kernel: [680493.141103] INFO:= rcu_sched detected stalls on CPUs/tasks:
Jan =C2=A05 13:19:20 kernel: [= 680493.141107] =C2=A0 =C2=A0 =C2=A0 =C2=A0 (detected by 12, t=3D147012 jiff= ies, g=3D72555998, c=3D72555997, q=3D89937)
Jan =C2=A05 13:19:20 kernel:= [680493.141112] All QSes seen, last rcu_sched kthread activity 147012 (497= 5178416-4975031404), jiffies_till_next_fqs=3D3, root ->qsmask 0x0
Jan= =C2=A05 13:19:20 kernel: [680493.141114] php-fpm =C2=A0 =C2=A0 =C2=A0 =C2= =A0 R =C2=A0running task =C2=A0 =C2=A014024 17581 =C2=A0 2249 0x00000000Jan =C2=A05 13:19:20 kernel: [680493.141120] Call Trace:
Jan =C2=A05 13= :19:20 kernel: [680493.141124] =C2=A0<IRQ>
Jan =C2=A05 13:19:20 ke= rnel: [680493.141131] =C2=A0sched_show_task.cold+0xb4/0xcb
Jan =C2=A05 1= 3:19:20 kernel: [680493.141135] =C2=A0rcu_check_callbacks.cold+0x36d/0x3ba<= br>Jan =C2=A05 13:19:20 kernel: [680493.141138] =C2=A0update_process_times+= 0x24/0x60
Jan =C2=A05 13:19:20 kernel: [680493.141143] =C2=A0tick_sched_= handle+0x30/0x50
Jan =C2=A05 13:19:20 kernel: [680493.141145] =C2=A0tick= _sched_timer+0x30/0x70
Jan =C2=A05 13:19:20 kernel: [680493.141147] =C2= =A0? tick_sched_do_timer+0x40/0x40
Jan =C2=A05 13:19:20 kernel: [680493.= 141149] =C2=A0__hrtimer_run_queues+0xbc/0x1f0
Jan =C2=A05 13:19:20 kerne= l: [680493.141153] =C2=A0hrtimer_interrupt+0xa0/0x1d0
Jan =C2=A05 13:19:= 20 kernel: [680493.141158] =C2=A0xen_timer_interrupt+0x1e/0x30
Jan =C2= =A05 13:19:20 kernel: [680493.141162] =C2=A0__handle_irq_event_percpu+0x3d/= 0x160
Jan =C2=A05 13:19:20 kernel: [680493.141164] =C2=A0handle_irq_even= t_percpu+0x1c/0x60
Jan =C2=A05 13:19:20 kernel: [680493.141168] =C2=A0ha= ndle_percpu_irq+0x32/0x50
Jan =C2=A05 13:19:20 kernel: [680493.141171] = =C2=A0generic_handle_irq+0x1f/0x30
Jan =C2=A05 13:19:20 kernel: [680493.= 141175] =C2=A0__evtchn_fifo_handle_events+0x13f/0x150
Jan =C2=A05 13:19:= 20 kernel: [680493.141181] =C2=A0__xen_evtchn_do_upcall+0x53/0x90
Jan = =C2=A05 13:19:20 kernel: [680493.141186] =C2=A0xen_evtchn_do_upcall+0x22/0x= 40
Jan =C2=A05 13:19:20 kernel: [680493.141191] =C2=A0xen_hvm_callback_v= ector+0x85/0x90
Jan =C2=A05 13:19:20 kernel: [680493.141192] =C2=A0</= IRQ>
Jan =C2=A05 13:19:20 kernel: [680493.141194] RIP: 0033:0x56398dc= 8a959
Jan =C2=A05 13:19:20 kernel: [680493.141195] RSP: 002b:00007ffdd58= 8d3d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff0c
Jan =C2=A05 13:19:20 k= ernel: [680493.141197] RAX: 0000000000000060 RBX: 00007f6ea3aa02e0 RCX: 000= 0000000000000
Jan =C2=A05 13:19:20 kernel: [680493.141198] RDX: 00007f6e= a3aa02a0 RSI: 00007ffdd588d3d8 RDI: 00007ffdd588d3e0
Jan =C2=A05 13:19:2= 0 kernel: [680493.141199] RBP: 00007f6ea3a9b5b0 R08: 00007f6ea49be770 R09: = 00007f6ea483cdc0
Jan =C2=A05 13:19:20 kernel: [680493.141200] R10: 00007= f6eae520a40 R11: 00007f6eae4933c0 R12: 00005639902892a0
Jan =C2=A05 13:1= 9:20 kernel: [680493.141201] R13: 0000000000000000 R14: 00007f6eae41e930 R1= 5: 00007f6ea7077138
Jan =C2=A05 13:19:20 kernel: [680493.141204] rcu_sch= ed kthread starved for 147012 jiffies! g72555998 c72555997 f0x2 RCU_GP_WAIT= _FQS(3) ->state=3D0x200 ->cpu=3D3
Jan =C2=A05 13:19:20 kernel: [68= 0493.141205] rcu_sched =C2=A0 =C2=A0 =C2=A0 R15016 =C2=A0 =C2=A0 8 =C2=A0 = =C2=A0 =C2=A02 0x80000000
Jan =C2=A05 13:19:20 kernel: [680493.141210] C= all Trace:
Jan =C2=A05 13:19:20 kernel: [680493.141215] =C2=A0? __schedu= le+0x24e/0x710
Jan =C2=A05 13:19:20 kernel: [680493.141216] =C2=A0schedu= le+0x2d/0x80
Jan =C2=A05 13:19:20 kernel: [680493.141219] =C2=A0schedule= _timeout+0x16c/0x340
Jan =C2=A05 13:19:20 kernel: [680493.141221] =C2=A0= ? call_timer_fn+0x130/0x130
Jan =C2=A05 13:19:20 kernel: [680493.141222]= =C2=A0rcu_gp_kthread+0x486/0xd60
Jan =C2=A05 13:19:20 kernel: [680493.1= 41224] =C2=A0kthread+0xfd/0x130
Jan =C2=A05 13:19:20 kernel: [680493.141= 226] =C2=A0? force_qs_rnp+0x170/0x170
Jan =C2=A05 13:19:20 kernel: [6804= 93.141227] =C2=A0? __kthread_parkme+0x90/0x90
Jan =C2=A05 13:19:20 kerne= l: [680493.141228] =C2=A0ret_from_fork+0x35/0x40

Xen-dom0 is running= kernel 4.14.158 and these xen command line options: GRUB_CMDLINE_XEN=3D&qu= ot;dom0_mem=3D4G gnttab_max_frames=3D256 ucode=3Dscan loglvl=3Dall guest_lo= glvl=3Dall console_to_ring console_timestamps=3Ddate conring_size=3D1m smt= =3Dtrue iommu=3Dno-intremap"

Xen-domU config:
name =3D "= ;machine"
kernel =3D "kernel-4.14.159-gentoo-xen"
memo= ry =3D 10000
vcpus =3D 16
vif =3D [ '' ]
disk =3D [
= 9;...root,raw,xvda,rw',
'...opt,raw,xvdc,rw',
'...hom= e,raw,xvdb,rw',
'...tmp,raw,xvdd,rw',
'...var,raw,xvd= e,rw',
]
extra =3D "root=3D/dev/xvda net.ifnames=3D0 console= =3DttyS0 console=3DttyS0,38400n8"
type =3D "hvm"
sdl = =3D 0
vnc =3D 0
serial=3D'pty'
xen_platform_pci=3D1
max= _grant_frames =3D 256

I've had issues like this in the past with= the grant frames (basically this issue https://bugs.debian.org/cgi-bin/bugrepo= rt.cgi?bug=3D880554), maybe some other value needs to be raised too?
Thanks,
Tomas
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Wed, 8 Jan 2020 07:46:45 +0000 From: Rajagopal Aravindan To: Peng Fan , "xen-users@lists.xenproject.org" Thread-Topic: Xen on iMX8-MQ Thread-Index: AQHVxKXrkO6Y8SbOOk2c45/o4qCOqKfeZX0QgAH/rbk= Date: Wed, 8 Jan 2020 07:46:45 +0000 Message-ID: References: , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=a.rajagopal@globaledgesoft.com; x-originating-ip: [103.31.215.82] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d8803a55-f10b-4449-302a-08d7940ee92c x-ms-traffictypediagnostic: PS1PR03MB5100: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-forefront-prvs: 02760F0D1C x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(366004)(396003)(39840400004)(346002)(136003)(189003)(199004)(66446008)(66946007)(71200400001)(5660300002)(66574012)(2906002)(66476007)(64756008)(86362001)(66556008)(76116006)(91956017)(478600001)(81156014)(81166006)(8676002)(316002)(186003)(26005)(19627405001)(8936002)(6506007)(7696005)(19627235002)(110136005)(52536014)(9686003)(53546011)(33656002)(4326008)(55016002); 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charset="gb2312" Content-Transfer-Encoding: quoted-printable
Hello Peng,

Thank for responding.

>>Did you create chosen/module@0 node?
No, will try and get back if any more errors.

>>Also would you mind share your use case using i.MX8MQ with XEN?
We are into studying hypervisor performance on x86 and ARM.
For studying its behaviour on ARM, we are trying= to bring it up on iMX8-MQ.
And then see if we can optimize performance anyw= here.

Regards,
Rajagopal
From: Peng Fan <peng.fan= @nxp.com>
Sent: Tuesday, January 7, 2020 6:43 AM
To: Rajagopal Aravindan <a.rajagopal@globaledgesoft.com>; xen-= users@lists.xenproject.org <xen-users@lists.xenproject.org>
Cc: Julien Grall <julien.grall@arm.com>
Subject: RE: Xen on iMX8-MQ
 

Did you create chosen/module@0 node?

 

Also would you mind share your use case using i.MX8MQ with XEN= ?

 

Regards,

Peng.

 

From: Xen-users <xen-users-bounces@lists.xenproject.org> On Behalf Of Rajagopal Aravindan
Sent: 2020=C4=EA1=D4=C2<= /span>6=C8=D5 23:= 34
To: xen-users@lists.xenproject.org
Cc: Julien Grall <julien.grall@arm.com>
Subject: [Xen-users] Xen on iMX8-MQ

 


Hello Xen-Users,

 

New year greetings to all !

 

W.r.t the subject, we built a Dom-0 kernel and tried booting it,= but ran into below error ....

 

u-boot=3D> fdt set /chosen/module@0 compatible "xe= n,linux-zimage", "xen,multiboot-module"

libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND

 

Can someone please clarify what is wrong in the above or if the = combo in the subject is NOT supported ?

 

Thanks,

Rajagopal

 

 

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([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ip8Sy-0006mq-87 for xen-users@lists.xenproject.org; Wed, 08 Jan 2020 10:21:32 +0000 X-Inumbo-ID: 9d12d7aa-3200-11ea-bf56-bc764e2007e4 Received: from mail4.protonmail.ch (unknown [185.70.40.27]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 9d12d7aa-3200-11ea-bf56-bc764e2007e4; Wed, 08 Jan 2020 10:21:21 +0000 (UTC) Date: Wed, 08 Jan 2020 10:21:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=default; t=1578478879; bh=BtdyMwzcNuc6D97F+KB673ucFRrmVpG2CDa5Fo8xz+k=; h=Date:To:From:Cc:Reply-To:Subject:Feedback-ID:From; b=feCtUbM3xEbdiBXM/L284dIJNO1MnVhFsp7yPGFuVXShyQrm0PpNZFqh2y4KjUZpl NY2vTU13tcTAoJLhyBinJLnZ+RLU7jhU+RWYGY2j8B3Rmu7eti0lms48c4aWaUyvO1 Ddq0qcJZ4lBd0kJmJiHY1P+TD2sSEnU2Y+menr9c= To: "xen-users@lists.xenproject.org" From: kasandesh Message-ID: Feedback-ID: -0pNv0WopdLAaliIL_ChgpY4tk7ZiplfOx_Cf-miCYbI4OpQtbdvc89LRSJHfu-X_z_lUGbKFPTbvaWDEMzlbg==:Ext:ProtonMail MIME-Version: 1.0 X-Spam-Status: No, score=-1.2 required=7.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,HTML_MESSAGE shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail.protonmail.ch Subject: [Xen-users] Xen Cross compilation Issues on Ubuntu X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: kasandesh Cc: Julien Grall Content-Type: multipart/mixed; boundary="===============3668545960959056619==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============3668545960959056619== Content-Type: multipart/alternative; boundary="b1_ef94ac5ffc509ac0baf567c10eaa23c1" This is 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Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 08 Jan 2020 21:13:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipIcQ-00084S-E3; Wed, 08 Jan 2020 21:11:58 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipIcP-00084N-E4 for xen-users@lists.xenproject.org; Wed, 08 Jan 2020 21:11:57 +0000 X-Inumbo-ID: 7fa0c410-325b-11ea-b8d9-12813bfff9fa Received: from sonic304-22.consmr.mail.ne1.yahoo.com (unknown [66.163.191.148]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 7fa0c410-325b-11ea-b8d9-12813bfff9fa; Wed, 08 Jan 2020 21:11:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1578517915; bh=T3YuTzAHsww701xd1PGCX1YUcHDbN/pVRuK8Q1EFQzE=; h=Date:From:To:In-Reply-To:References:Subject:From:Subject; 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fDVyOh0uCZkNSoxPHD3AU.UA2vy0UROpUX711JMyBvzJ2cwxyRsiZ6bQKPY29TbPsF9Hfz8MwVvz YNvvkEs84MnTWYB5txi9J3h84a8VqLXCEfehfvFAzMrox0jIX_cguowcGxKIMgjJ17Jwxbk4jVb0 zFAHTeHstZyVPCCPLCvWMlf_s3wA8pow2eKq4fNWvVFLaT0QXPMv7hkWo1QkyYnICCIowxBEv7_s Xv5yrBhVAirMlvwwjko6BXVBuOZBC7g1bIolxv9wloSKovVK06QLKZsDU42EdgyjjfT0Lc5PS6CB qzieXAg3QRk0acJ2RyxUEavpdujqiQgm2hyXgvuOwhSbKvoCjlU.JcBwXfN47VH0CNEfXHCJTTzo BHb6ucBp2r_83xJvL4AoDUCFOy2CTCgN7qaAIUowPTWlxlTlSAIQXrZe5fj2bz6a7LDGxk.G74GR CQK28qrZc9g7sNbzIZGiDDv5Q18972EwqQ9YVO4nE.JLMX2UfqOfwputphztqwkHpK7nBs5MCqt9 _qn_aq5MGKk479u.IKH8X8V.tm8TbB9UupKzh1jMyR7MQGijymznIxq9jdzy0U_EZVB2ohCVdNU_ YxwoH_9zHKzsUbQo8.43IYZgoXebSEoj29BqjLwVqlqcfvP.sSIRYKqzGsKMQjcQtTl1rFMQyQEo eZ14MskyKxsX1OyG5Ay6yFYHC7ol7sQ-- Received: from sonic.gate.mail.ne1.yahoo.com by sonic304.consmr.mail.ne1.yahoo.com with HTTP; Wed, 8 Jan 2020 21:11:55 +0000 Date: Wed, 8 Jan 2020 21:11:51 +0000 (UTC) From: Mark Pryor To: "xen-users@lists.xenproject.org" , kasandesh Message-ID: <2101644565.8761414.1578517911453@mail.yahoo.com> In-Reply-To: References: MIME-Version: 1.0 X-Mailer: WebService/1.1.14873 YMailNorrin Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 Content-Length: 13629 Subject: Re: [Xen-users] Xen Cross compilation Issues on Ubuntu X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2552261145324283465==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============2552261145324283465== Content-Type: multipart/alternative; boundary="----=_Part_8761413_1811896837.1578517911450" Content-Length: 13051 ------=_Part_8761413_1811896837.1578517911450 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable ## arm64 cross_compile deb [arch=3Darm64] http://ports.ubuntu.com/ disco main multiverse universe = restricted deb [arch=3Darm64] http://ports.ubuntu.com/ disco-updates main multiverse u= niverse restricted deb [arch=3Darm64] http://ports.ubuntu.com/ disco-security main restricted add above to your sources.list dpkg --add-architecture arm64 apt-get update apt-get install crossbuild-essential-arm64 On Wednesday, January 8, 2020, 3:25:24 AM MST, kasandesh wrote: =20 =20 Hello All, Greetings of the day and a very happy new year. I am trying to cross compile the xen for arm64 target architecture and faci= ng weird errors on ubuntu 18.04 machine.=20 While configuration, if arm64 compiler is found, then the configure halts a= t finding uuid.h ``` root@linux:/home/user/Projects/xen# ./configure --build=3Dx86_64-unknown-li= nux-gnu --host=3Daarch64-linux-gnu checking build system type... x86_64-unknown-linux-gnu checking host system type... aarch64-unknown-linux-gnu Will build the following subsystems: =C2=A0=C2=A0 xen =C2=A0=C2=A0 tools =C2=A0=C2=A0 docs configure: creating ./config.status config.status: creating config/Toplevel.mk config.status: creating config/Paths.mk =3D=3D=3D configuring in tools (/home/sandeshashok/Projects/motius/source_c= ode/xen/tools) configure: running /bin/bash ./configure --disable-option-checking '--prefi= x=3D/usr/local'=C2=A0 '--build=3Dx86_64-unknown-linux-gnu' '--host=3Daarch6= 4-linux-gnu' 'build_alias=3Dx86_64-unknown-linux-gnu'=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 'host_alias=3Daarch64-linux-gnu' --cache-file=3D/d= ev/null --srcdir=3D. checking build system type... x86_64-unknown-linux-gnu checking host system type... aarch64-unknown-linux-gnu checking for aarch64-linux-gnu-gcc... aarch64-linux-gnu-gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... . . . . . . checking for iasl... /usr/bin/iasl checking uuid/uuid.h usability... no checking uuid/uuid.h presence... no checking for uuid/uuid.h... no checking uuid.h usability... no checking uuid.h presence... no checking for uuid.h... no configure: error: cannot find a valid uuid library configure: error: ./configure failed for tools ``` However, if i don't path to the cross compiler, then the configuration work= s successfully. ``` root@linux:/home/user/Projects/xen# ./configure --build=3Dx86_64-unknown-li= nux-gnu --host=3Daarch64-linux-gnu checking build system type... x86_64-unknown-linux-gnu checking host system type... aarch64-unknown-linux-gnu Will build the following subsystems: =C2=A0=C2=A0 xen =C2=A0=C2=A0 tools =C2=A0=C2=A0 docs configure: creating ./config.status config.status: creating config/Toplevel.mk config.status: creating config/Paths.mk =3D=3D=3D configuring in tools (/home/sandeshashok/Projects/motius/source_c= ode/xen/tools) configure: running /bin/bash ./configure --disable-option-checking '--prefi= x=3D/usr/local'=C2=A0 '--build=3Dx86_64-unknown-linux-gnu' '--host=3Daarch6= 4-linux-gnu' 'build_alias=3Dx86_64-unknown-linux-gnu'=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 'host_alias=3Daarch64-linux-gnu' --cache-file=3D/d= ev/null --srcdir=3D. checking build system type... x86_64-unknown-linux-gnu checking host system type... aarch64-unknown-linux-gnu checking for aarch64-linux-gnu-gcc... no checking for gcc... gcc configure: WARNING: using cross tools not prefixed with host triplet checking whether the C compiler works... yes ``` Did anyone else observe this ?=20 If this has been fixed please direct me to the link. I have been working on this for sometime and issue still exists. Tried the = wiki page for cross compiling as mentioned in the link https://wiki.xenproj= ect.org/wiki/Xen_ARM_with_Virtualization_Extensions/CrossCompiling, however= it isn't successfull as well. Best Regards, _______________________________________________ Xen-users mailing list Xen-users@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-users ------=_Part_8761413_1811896837.1578517911450 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
## arm64 cross_compile
deb [arch=3Darm6= 4] http://ports.ubuntu.com/ disco main multiverse universe restricted
deb [arch=3Darm64] http://ports.ubuntu.com/ disco-updates main= multiverse universe restricted
deb [arch=3Darm64] http:/= /ports.ubuntu.com/ disco-security main restricted

= add above to your sources.list
dpkg --add-architecture arm64
apt-get update
apt-get install c= rossbuild-essential-arm64




=20
=20 =20
On Wednesday, January 8, 2020, 3:25:24 AM MST, kasandes= h <kasandesh@protonmail.com> wrote:


Hello All,
Greetings of the day and a very ha= ppy new year.

I = am trying to cross compile the xen for arm64 target architecture and facing= weird errors on ubuntu 18.04 machine.

While configuration, if arm64 compiler is found, th= en the configure halts at finding uuid.h
```
root@linux:/home/user/Projects/xen# ./configure= --build=3Dx86_64-unknown-linux-gnu --host=3Daarch64-linux-gnu
checking build system type... x86_64-unknown-linux-gnu
checking host system type... aarch64-unknown-linu= x-gnu
Will build the following subsystems:
   xen
&nb= sp;  tools
   docs
configure: creating ./config.status
config.status: creating config/Toplevel.mk
<= div>config.status: creating config/Paths.mk
= =3D=3D=3D configuring in tools (/home/sandeshashok/Projects/motius/source_c= ode/xen/tools)
configure: running /bin/bash ./= configure --disable-option-checking '--prefix=3D/usr/local'  '--build= =3Dx86_64-unknown-linux-gnu' '--host=3Daarch64-linux-gnu' 'build_alias=3Dx8= 6_64-unknown-linux-gnu'        &nbs= p;            'host_= alias=3Daarch64-linux-gnu' --cache-file=3D/dev/null --srcdir=3D.
checking build system type... x86_64-unknown-linux-gnu=
checking host system type... aarch64-unknown-= linux-gnu
checking for aarch64-linux-gnu-gcc..= . aarch64-linux-gnu-gcc
checking whether the C= compiler works... yes
checking for C compiler= default output file name... a.out
checking fo= r suffix of executables...
.
.
.
.=
.
.
checking for iasl... /usr/bin/iasl
checking uuid/uuid.h usability... no
che= cking uuid/uuid.h presence... no
checking for = uuid/uuid.h... no
checking uuid.h usability...= no
checking uuid.h presence... no
checking for uuid.h... no
co= nfigure: error: cannot find a valid uuid library
configure: error: ./configure failed for tools
<= div>
```

However, if i don't path to the cross compiler, then = the configuration works successfully.
```
root@linux:/home/user/Projects/xen# ./configure --= build=3Dx86_64-unknown-linux-gnu --host=3Daarch64-linux-gnu
checking build system type... x86_64-unknown-linux-gnu
checking host system type... aarch64-unknown-linux-g= nu
Will build the following subsystems:
   xen
 =   tools
   docs
configure: creating ./config.status
<= div>config.status: creating config/Toplevel.mk
config.status: creating config/Paths.mk
=3D= =3D=3D configuring in tools (/home/sandeshashok/Projects/motius/source_code= /xen/tools)
configure: running /bin/bash ./con= figure --disable-option-checking '--prefix=3D/usr/local'  '--build=3Dx= 86_64-unknown-linux-gnu' '--host=3Daarch64-linux-gnu' 'build_alias=3Dx86_64= -unknown-linux-gnu'         &n= bsp;           'host_alia= s=3Daarch64-linux-gnu' --cache-file=3D/dev/null --srcdir=3D.
checking build system type... x86_64-unknown-linux-gnu
checking host system type... aarch64-unknown-linux-= gnu
checking for aarch64-linux-gnu-gcc... no
checking for gcc... gcc
configure: WARNING: using cross tools not prefixed with host triplet<= br clear=3D"none">
checking whether the C compiler works... yes

```

Did anyone else observe this = ?

If this has b= een fixed please direct me to the link.

I have been working on this for sometime and issue = still exists. Tried the wiki page for cross compiling as mentioned in the l= ink https://wiki.xenproject.org/wiki/Xen_ARM_with_Virt= ualization_Extensions/CrossCompiling, however it isn't successfull as w= ell.

Best Regard= s,


_______________________________________________
Xen-users mailing list
Xen-users@lists.xenproje= ct.org
htt= ps://lists.xenproject.org/mailman/listinfo/xen-users
= ------=_Part_8761413_1811896837.1578517911450-- --===============2552261145324283465== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============2552261145324283465==-- From xen-users-bounces@lists.xenproject.org Fri Jan 10 06:36:02 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 10 Jan 2020 06:36:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipnsL-0008Rl-Ud; Fri, 10 Jan 2020 06:34:29 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipnsK-0008Rf-0F for xen-users@lists.xenproject.org; Fri, 10 Jan 2020 06:34:28 +0000 X-Inumbo-ID: 3fbaef60-3373-11ea-a985-bc764e2007e4 Received: from mail-vk1-xa2c.google.com (unknown [2607:f8b0:4864:20::a2c]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 3fbaef60-3373-11ea-a985-bc764e2007e4; Fri, 10 Jan 2020 06:34:27 +0000 (UTC) Received: by mail-vk1-xa2c.google.com with SMTP id d17so295381vke.5 for ; Thu, 09 Jan 2020 22:34:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=3N05XDbWjooslBl50AtS0Mph3lJ684qIfhE6Z7RcA04=; b=sqRfOjmQpa74qgYg4ZCSCL54c/yYQ9EUEIvm5ySS8S4OwKDEwGIr5oda1RGoI/syLj AEzzkkY49lTB/S1bzLBu0xryA/2E0D2BwuxJTbwkx+lQtshB83U21pEn7YKgyACV9KBA UK1gN4B5GCsyyA8l/NZgzKvkQvuFV0LbstIEKGDtYalDBR/DuYLC2OxKu3gr7DwCSojP gQ7C2IugHpCYv2eX79TGEjNcbmlG8seJ/+7wR/9UCTXx/2AKgdr77mvH7FAETrqym4OZ BgI+FpvEXbq68VhyMk0Ws0N5+aVM3TDDJrB0AVjYbfUVpPuGwXRZleav0WWFbyhkzaTF XhFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=3N05XDbWjooslBl50AtS0Mph3lJ684qIfhE6Z7RcA04=; b=sXgpYv6xYd3n8OQmnU1EL94qmlZu/zxTJN7LIH9X9tf6p48hV1dEwZpKPVOzlUD6GQ KnrQaFFN/dYkdNH1RGRXGIDhXNCfBHnLQgYnfJZCRoVjrhn3DdHoKk1XY7lXnr/iLf6V q5cYHoXVKyvWJPA9dupiO8ft1jBei1AzXsz37o6JCCAth1V949SUx3j55J6X9R4TYd+G CTQ0ZzNgk0/oC5gqazDbs8nDRQU7d7voRt9A5LNGLq+PMm2ct5bnya4ns9Plgx18wKnk cOnbF9y0HBLHyt2Ej8SaEJ8HEx+HUABwEpIVTL4zJsMtwbdLNdIyWpA9xJI37JhQnf0x vHaA== X-Gm-Message-State: APjAAAVYHmISytOo8ZndGrcWBRBf062Yv1BRr3pCkmC90k6C0kgf0scQ P4S2yDi4GQwn67nPIiDJuhcKbdg/Wr9jRBTSIcRlOmfD X-Google-Smtp-Source: APXvYqxfPJRdarR8SFN5xSX3WpxA15N26NQmXrdKksVtxyhyCHwACwvKZxKtNmn49pCs+j8QXuLwhwzM4hZnB8q4D6A= X-Received: by 2002:ac5:cde3:: with SMTP id v3mr970195vkn.43.1578638066680; Thu, 09 Jan 2020 22:34:26 -0800 (PST) MIME-Version: 1.0 From: Taeklim Kim Date: Fri, 10 Jan 2020 15:34:15 +0900 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] Live migration of VM on 10Gb network X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7188940261518882167==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============7188940261518882167== Content-Type: multipart/alternative; boundary="0000000000003186ad059bc35165" --0000000000003186ad059bc35165 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi all, I'm trying to do some experiments about checking the speed of live migration between two host servers. Each server contains two NICs, one is 1Gb and the other one is 10Gb. There are also two xenbridge on each NIC. At first, I tested the live migration of 8GB memory VM on 1Gb and the result was 100~120MB/s. I also tried to use only 10Gb ethernet, however, the result was the same as around 100~120MB/s. I expected that doing live migration by using 10Gb will be much faster, but it was the same as 1Gb. I'm not sure it is the right result. I searched for some information about live migration, and I saw source codes that "xl migrate" uses "ssh". Is it the bottleneck of slow live migration? I'm not sure if I have wrong configuration on networking. I used Xen 4.7, and the command was "xl migrate " same as default. Thanks! =E1=90=A7 --0000000000003186ad059bc35165 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi all,=C2=A0

I'm trying to do some= experiments about checking the speed of live migration between two host se= rvers.=C2=A0
Each server contains two NICs, one is 1Gb and the ot= her one is 10Gb. There are also two xenbridge on each NIC.=C2=A0
=
At first, I tested the live migration of 8GB memory VM on 1G= b and the result was 100~120MB/s. I also tried to use only 10Gb ethernet, h= owever, the result was the same as around 100~120MB/s.
I expected= that doing live migration by using 10Gb will be much faster, but it was th= e same as 1Gb. I'm not sure it is the right result.

I searched for some information about live migration, and I saw sourc= e codes that "xl migrate" uses "ssh". Is it the bottlen= eck of slow live migration?
I'm not sure if I have wrong conf= iguration on networking.

I used Xen 4.7, and the c= ommand was "xl migrate <domain> <host>" same as defau= lt.

Thanks!
3D""=E1=90=A7 --0000000000003186ad059bc35165-- --===============7188940261518882167== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7188940261518882167==-- From xen-users-bounces@lists.xenproject.org Fri Jan 10 17:15:21 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 10 Jan 2020 17:15:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipxr8-0007D0-LS; Fri, 10 Jan 2020 17:13:54 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipxr7-0007Cv-DJ for xen-users@lists.xenproject.org; Fri, 10 Jan 2020 17:13:53 +0000 X-Inumbo-ID: 93612342-33cc-11ea-a985-bc764e2007e4 Received: from mail-qt1-x832.google.com (unknown [2607:f8b0:4864:20::832]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 93612342-33cc-11ea-a985-bc764e2007e4; Fri, 10 Jan 2020 17:13:52 +0000 (UTC) Received: by mail-qt1-x832.google.com with SMTP id g1so2487249qtr.13 for ; Fri, 10 Jan 2020 09:13:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=whGZ92wekI8MHwjs6e1P7D4ftNYYU+IJWTSjbaK/fsc=; b=nDTt0NGA1wMehP5rlaaAB8Vp0vMFg1JyTET5e1tvhg9CW/fuiWTcNRxnATD5dJpJ+o LUEBsMZsvL2NUP22Pi1ditxqQ8htB7KKPz06jptP1rlpFyJB3b4INNcTDFmMaKWw8d8w 1KKXUK0hEdOpKyiE/Dhl6JwCclp+yqmpfSUOQ3/F+f4A2+rEci323SzqLQ4jH14mzOyk 9AGYCGRLX9jL+qTxDC2+1QrNsmazat98QQ4083PmLvL7oQ8WuW5vjIj4Xr+MQ2o8sWVi xSTOcAWpKOSsgqefPwVzlo/K7cuVh6a01Vau+tF0Veylj/Fuoz5c8tIsJ1HJPpRWgpoa un1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=whGZ92wekI8MHwjs6e1P7D4ftNYYU+IJWTSjbaK/fsc=; b=bBmm8q7MyTVPjFQ+9H56jhhQgUMVgQeo7TOZLDDbXUtY9ArsBxhJXi5BETr1/lG/dl MRwk+DD0M8JoiVpfVRffBsfMho3AL05gGoLynK75RC1E9JUHPuwAhSBL0dZqLrSWNU52 U3rBJT5VklySUGp4ikc1GHnXh8aF7oM+hAIJhEcGnL8X3p6BYkE+xwlZ7X8CV96zfkac bvVtYLcP76sj02HxJIGgnAyi1SLyk15NcrV/DQRXF0m927Z8rahQVD/oe1QjUnQ7kaXY vBv8kW853duP9g9iwuErJZg5jwno1BUgb8qcsbduP7RL2aVOJP00aFE7QuGjybB/lVZX 0obA== X-Gm-Message-State: APjAAAXQag6IcFIvMdr41I2Zr2PsMDcY7ef8JROMOWSIj8hWN0NZyfUy BMNYAQw3690V//YYCiCA65C8abtzshPJR5gC0oo= X-Google-Smtp-Source: APXvYqyE+9PjhNNLtqGzwBi3RVqrItcVnYzCfY5843LkXbhEmi9lWN8DpjtAPawL8bqIjFPYSPyx81jBwVMaWRsjCcE= X-Received: by 2002:ac8:4050:: with SMTP id j16mr3238430qtl.171.1578676432509; Fri, 10 Jan 2020 09:13:52 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: WebDawg Date: Fri, 10 Jan 2020 12:13:41 -0500 Message-ID: To: Taeklim Kim Subject: Re: [Xen-users] Live migration of VM on 10Gb network X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============2979492252538361321==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============2979492252538361321== Content-Type: multipart/alternative; boundary="000000000000f9a05b059bcc3f9b" --000000000000f9a05b059bcc3f9b Content-Type: text/plain; charset="UTF-8" On Fri, Jan 10, 2020 at 1:37 AM Taeklim Kim wrote: > Hi all, > > I'm trying to do some experiments about checking the speed of live > migration between two host servers. > Each server contains two NICs, one is 1Gb and the other one is 10Gb. There > are also two xenbridge on each NIC. > > At first, I tested the live migration of 8GB memory VM on 1Gb and the > result was 100~120MB/s. I also tried to use only 10Gb ethernet, however, > the result was the same as around 100~120MB/s. > I expected that doing live migration by using 10Gb will be much faster, > but it was the same as 1Gb. I'm not sure it is the right result. > > I searched for some information about live migration, and I saw source > codes that "xl migrate" uses "ssh". Is it the bottleneck of slow live > migration? > I'm not sure if I have wrong configuration on networking. > > I used Xen 4.7, and the command was "xl migrate " same as > default. > > I have not seen a reply on this list in a very long time so I am going to jump in: https://xcp-ng.org/forum/topic/2283/faster-10gbit/16?_=1578676058390 I am working a similar issue in xcp-ng. So not vanilla Xen, but I see the same stuff that you are talking about. The nic drivers will use cpu, I think pure PV bypasses this. I have a research project going to try, and fix this/figure out what is going on. The last time I messed around w/ nic speeds it was in proxmox, so not xen but still virtualized. I did not even know that Xen supports xl heh. --000000000000f9a05b059bcc3f9b Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


=
On Fri, Jan 10, 2020 at 1:37 AM Taekl= im Kim <limkim4233@gmail.com= > wrote:
Hi all,=C2=A0

I'm trying to do some exp= eriments about checking the speed of live migration between two host server= s.=C2=A0
Each server contains two NICs, one is 1Gb and the other = one is 10Gb. There are also two xenbridge on each NIC.=C2=A0

=
At first, I tested the live migration of 8GB memory VM on 1Gb an= d the result was 100~120MB/s. I also tried to use only 10Gb ethernet, howev= er, the result was the same as around 100~120MB/s.
I expected tha= t doing live migration by using 10Gb will be much faster, but it was the sa= me as 1Gb. I'm not sure it is the right result.

I searched for some information about live migration, and I saw source co= des that "xl migrate" uses "ssh". Is it the bottleneck = of slow live migration?
I'm not sure if I have wrong configur= ation on networking.

I used Xen 4.7, and the comma= nd was "xl migrate <domain> <host>" same as default.<= /div>



I= have not seen a reply on this list in a very long time so I am going to ju= mp in:


I am worki= ng a similar issue in xcp-ng.=C2=A0 So not vanilla Xen, but I see the same = stuff that you are talking about.

The nic drivers = will use cpu, I think pure PV bypasses this.=C2=A0 I have a research projec= t going to try, and fix this/figure out what is going on.

The last time I messed around w/ nic speeds it was in proxmox, so n= ot xen but still virtualized.

I did not even know = that Xen supports xl heh.


--000000000000f9a05b059bcc3f9b-- --===============2979492252538361321== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============2979492252538361321==-- From xen-users-bounces@lists.xenproject.org Tue Jan 14 14:22:35 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 14 Jan 2020 14:22:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1irN4T-0007kA-24; Tue, 14 Jan 2020 14:21:29 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1irN4Q-0007k1-V8 for xen-users@lists.xen.org; Tue, 14 Jan 2020 14:21:27 +0000 X-Inumbo-ID: 1e9940f2-36d9-11ea-83b6-12813bfff9fa Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 1e9940f2-36d9-11ea-83b6-12813bfff9fa; Tue, 14 Jan 2020 14:21:14 +0000 (UTC) Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1irN46-0004Qy-IO; Tue, 14 Jan 2020 14:21:06 +0000 Received: from iwj by xenbits.xenproject.org with local (Exim 4.89) (envelope-from ) id 1irN46-0005Hs-GO; Tue, 14 Jan 2020 14:21:06 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.508 (Entity 5.508) To: xen-announce@lists.xen.org, xen-devel@lists.xen.org, xen-users@lists.xen.org, oss-security@lists.openwall.com From: Xen.org security team Message-Id: Date: Tue, 14 Jan 2020 14:21:06 +0000 Subject: [Xen-users] Xen Security Advisory 312 v1 - arm: a CPU may speculate past the ERET instruction X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "Xen.org security team" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --=separator Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Xen Security Advisory XSA-312 arm: a CPU may speculate past the ERET instruction ISSUE DESCRIPTION ================= Some CPUs can speculate past an ERET instruction and potentially perform speculative accesses to memory before processing the exception return. Since the register state is often controlled by lower privilege level (i.e guest kernel/userspace) at the point of the ERET, this could potentially be used as part of a side-channel attack. IMPACT ====== An attacker, which could include a malicious untrusted user process on a trusted guest, or an untrusted guest, may be able to use it as part of side-channel attack to read host memory. VULNERABLE SYSTEMS ================== System running all version of Xen are affected. Whether an individual Arm-based CPU is vulnerable depends on its speculation properties. Consult your CPU vendor. x86 systems are not vulnerable. MITIGATION ========== There is no mitigation available. NOTE REGARDING LACK OF EMBARGO ============================== This was reported publicly, as affecting other Open Source projects, before the Xen Project Security Team was made aware. RESOLUTION ========== Applying the appropriate attached patch resolves this issue. Note that patches for released versions are generally prepared to apply to the stable branches, and may not apply cleanly to the most recent release tarball. Downstreams are encouraged to update to the tip of the stable branch before applying these patches. xsa312.patch xen-unstable, Xen 4.13 - 4.12 xsa312-4.11.patch Xen 4.11 - 4.10 xsa312-4.9.patch Xen 4.9 $ sha256sum xsa312* 112c9d77f964174db5709c758626a2bd5fec9bfdacc89fbc96f1ddd44aca6bbf xsa312.meta 9b2078d448e4815c9ddc6554bf869d64412dc787b1b94830a24e47df6a9f30e7 xsa312.patch 29b95d6ea0295e124c3cfd5b1611ae341bb195d1c441ee69976e2f74cde652a8 xsa312-4.9.patch 8d64b3039c570f4b5c82abbbcf2714ec3b60db55fe3e1b3bb838df7dfaf627e9 xsa312-4.11.patch $ -----BEGIN PGP SIGNATURE----- iQFABAEBCAAqFiEEI+MiLBRfRHX6gGCng/4UyVfoK9kFAl4dzjAMHHBncEB4ZW4u b3JnAAoJEIP+FMlX6CvZOx4H/2nt+377yBhbqNqUO2nCbqUWBkCB/OHQQ3uyjytp PEDW9epevCJHOvQ3w24gh9SplWupHvrzS2PbqCWwEMPZXfkYB6Ye2kr7hbJHMOxB bP6qm71plWG/RGmKSTVeVbOqAtiwdXkIvE8PIETGSuQ3Ip8exIkWvXnkY3v7KQne WIg+vcadAqvv9oZj8UAv+V6oihUr1MyOMaddsW0QczF1yhs7EErpSBrLT1G2+nm/ MxY8nE40rAzZBs+G1puODC8uK/LSmGlvms+200FOPHnyyIKmznmAtGLE7pziPj7F Qdy4GOWLAE1oQcrglmdk6SOCK7CRJSSZ0RminYNNPSX6EqM= =FnmX -----END PGP SIGNATURE----- --=separator Content-Type: application/octet-stream; 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[99.7.172.215]) by smtp.gmail.com with ESMTPSA id m128sm22414017pfm.183.2020.01.15.09.02.35 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Jan 2020 09:02:35 -0800 (PST) To: xen-users@lists.xenproject.org From: PGNet Dev Message-ID: Date: Wed, 15 Jan 2020 09:02:34 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Language: en-US Subject: [Xen-users] xen 4.13 dmesg logs reporting multiple -> "Failed to add - passthrough or MSI/MSI-X might fail!". how to fix or quiet? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: pgnet.dev@gmail.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" wqBvbiBhIFhlbiBzZXJ2ZXIsCmBgYAoJeGwgaW5mbyB8IGVncmVwICJyZWxlYXNlfHhlbl92ZXJz aW9uIgoJCXJlbGVhc2UgICAgICAgICAgICAgICAgOiA1LjQuMTEtMjQuZzJkMDJlYjQtZGVmYXVs dAoJCXhlbl92ZXJzaW9uICAgICAgICAgICAgOiA0LjEzLjBfMDQtbHAxNTEuNjg4CQoKCWxzYl9y ZWxlYXNlIC1yZAoJCURlc2NyaXB0aW9uOiAgICBvcGVuU1VTRSBMZWFwIDE1LjEKCQlSZWxlYXNl OiAgICAgICAgMTUuMQpgYGAKCmFmdGVyICdzdWNjZXNzZnVsJyBib290LCBsb2dzIHJlcG9ydAoK YGBgCnhsIGRtZXNnCglbICAgIDAuMzc5NDIzXSBwY2kgMDAwMDowMDoxYS4wOiByZWcgMHgxMDog W21lbSAweGVjYjM4MDAwLTB4ZWNiMzgzZmZdCglbICAgIDAuMzc5ODY4XSBwY2kgMDAwMDowMDox YS4wOiBQTUUjIHN1cHBvcnRlZCBmcm9tIEQwIEQzaG90IEQzY29sZAoJWyAgICAwLjM4MDAxN10g 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xaphon.chao5.net ([134.255.253.37]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N1fmq-1jcbXZ2fkm-011wUU for ; Fri, 17 Jan 2020 10:18:21 +0100 Received: from satan.chao5.int (satan.chao5.int [192.168.50.50]) by xaphon.chao5.net (Postfix) with ESMTP id BC73940C4B43 for ; Fri, 17 Jan 2020 10:18:20 +0100 (CET) Received: from webmail.chao5.int (leviathan.chao5.int [192.168.50.60]) by satan.chao5.int (Postfix) with ESMTPA id 847B52162F2C for ; Fri, 17 Jan 2020 10:18:20 +0100 (CET) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.101.5 at satan.chao5.int MIME-Version: 1.0 Date: Fri, 17 Jan 2020 10:18:17 +0100 From: Christoph To: Xen-users@lists.xenproject.org User-Agent: Roundcube Webmail/1.4.2 Message-ID: X-Sender: mangel@gmx.de X-Provags-ID: V03:K1:WPGVV7PsKmUVaONIQp6pQtqSh6csNJeoGpeJhHz+9wBt/wbnAOs MD826HQ/RR4q0tqrNPJD1WMrWzUpsEIsDOJ5mRS3V5RlG2xOFsDdyOjFiUZH8npsLg6n/Vy 27trGQFqhXz5IgHRUrjWQNq8868l8lDCpT9+LEAUyERt3D6FwiTJzcd398J21/vGmFnJa5o 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17 Jan 2020 12:46:38 +0100 Received: from ex1.gdata.de ([fe80::1d8:f0b4:e0a3:1e6d]) by ex1.gdata.de ([fe80::1d8:f0b4:e0a3:1e6d%2]) with mapi id 15.01.1034.033; Fri, 17 Jan 2020 12:46:38 +0100 From: To: Thread-Topic: Host freezing after "fixing" recursive fault starting in multicalls.c Thread-Index: AQHVzSbN/G3SjV9iG0O2/oaKGdsoBg== Date: Fri, 17 Jan 2020 11:46:37 +0000 Message-ID: <6c687077551442bea65d99779cfd9303@gdata.de> Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [212.23.151.194] x-g-data-mailsecurity-for-exchange-spamlevel: 0 x-g-data-mailsecurity-for-exchange-state: 0 x-g-data-mailsecurity-for-exchange-error: 0 x-g-data-mailsecurity-for-exchange-sender: 32 x-g-data-mailsecurity-for-exchange-server: b518cbf5-84a3-453a-a79a-947cf417bc69 x-g-data-mailsecurity-for-exchange-guid: D179CE1D-FF73-4AB7-985E-D412045E1BBB x-g-data-mailsecurity-for-exchange-processedonrouted: True MIME-Version: 1.0 X-G-Data-MailSecurity-for-Exchange-SpamLevel: 0 X-G-Data-MailSecurity-for-Exchange-State: 0 X-G-Data-MailSecurity-for-Exchange-Error: 0 X-G-Data-MailSecurity-for-Exchange-Sender: 32 X-G-Data-MailSecurity-for-Exchange-Server: b3e6f729-74a9-4eb6-bd95-c148e309eb1f X-Mailman-Approved-At: Sat, 18 Jan 2020 15:37:47 +0000 Subject: [Xen-users] Host freezing after "fixing" recursive fault starting in multicalls.c X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SGksCgpJJ20gcnVubmluZyBYZW4gNC4xMS4yIG9uIEZlZG9yYSAzMCB3aXRoIEtlcm5lbCB2ZXJz aW9ucyA1LjQuNyBhbmQgNS40LjEwIG9uIG11bHRpcGxlIEhQIHNlcnZlcnMuCgpUaGUgd29ya2Zs b3cgSSdtIHRyeWluZyB0byBhY2hpZXZlIGxvb2tzIGxpa2UgdGhlIGZvbGxvd2luZzoKCi0gYSBW 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MS4wfOO1VlFqMzJ10K26/aJPA9VX3V8bsICHst+C19H8nfnz2APO/N4cK1NKmYoXw3JXTWw1VVCsRsFjaxQZcYzLtNneFhMOsgfo09+Hd1cLLHt5UD7w/3Fd G9Ie/AEHH7Czy8qXThGFTHYnf8i+Uof2Brqxr2d+GazsXIJzYha5TPHnJgOElgRF1qnxTsEPjAlWHw== Subject: [Xen-users] self-balloon driver AWOL X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SGksCgpJIGhhdmUgYmVlbiBzdWNjZXNzZnVsbHkgdXNpbmcgdGhlIHNlbGYtYmFsbG9vbiBkcml2 ZXIgb24gbXkgVWJ1bnR1IApiaW9uaWMgc3lzdGVtcyBpbiBvcmRlciB0byBvdmVyLXByb3Zpc2lv biBtZW1vcnkgZm9yIGxvdHMgb2YgUFYgbGludXggCmd1ZXN0cy4gIFRoZSB3b3JrbG9hZCB3b3Jr cyB3ZWxsIGZvciB0aGlzIHN0cmF0ZWd5IGFzIHR5cGljYWxseSBhIHNtYWxsIApudW1iZXIgb2Yg Z3Vlc3RzIHJlcXVpcmUgbW9yZSBtZW1vcnkgZm9yIGEgc2hvcnQgcGVyaW9kIGFuZCB0aGVuIHRo 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[99.7.172.215]) by smtp.gmail.com with ESMTPSA id d4sm12807851pjz.12.2020.01.26.10.46.13 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 26 Jan 2020 10:46:13 -0800 (PST) To: xen-users@lists.xenproject.org From: PGNet Dev Message-ID: <36177e45-7cdd-e3e2-5f5c-274703a426bf@gmail.com> Date: Sun, 26 Jan 2020 10:46:10 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 Content-Language: en-US Subject: [Xen-users] full cstate/cpufreq/cpupower support withOUT Xen 4.13 on kernel 5.4.14; WITH xen, none at all. bug or config? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: pgnet.dev@gmail.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" cnVubmluZyBsaW51eCBrZXJuZWwKCgl1bmFtZSAtcm0KCQk1LjQuMTQtMjQuZ2ZjNGVhN2EtZGVm YXVsdCB4ODZfNjQKCglsc2JfcmVsZWFzZSAtcmQKCQlEZXNjcmlwdGlvbjogICAgb3BlblNVU0Ug TGVhcCAxNS4xCgkJUmVsZWFzZTogICAgICAgIDE1LjEKCglkbWVzZyB8IGdyZXAgRE1JOgoJCVsg ICAgMC4wMDAwMDBdIERNSTogU3VwZXJtaWNybyBYMTBTQVQvWDEwU0FULCBCSU9TIDMuMCAwNS8y Ni8yMDE1CgoJY2F0IC9wcm9jL2NwdWluZm8gfCBncmVwICJtb2RlbCBuYW1lIiB8IGhlYWQgLW4g MQoJCW1vZGVsIG5hbWUgICAgICA6IEludGVsKFIpIFhlb24oUikgQ1BVIEUzLTEyMjAgdjMgQCAz LjEwR0h6CgpCSU9TICppcyogc2V0dXAgZm9yIG1heCBjc3RhdGUgc3VwcG9ydC4KWGVvbiBFMy0x MjIwIGRvZXMgc3VwcG9ydCBpbnRlbF9wc3RhdGUgZHJpdmVyLgoKVGVzdGluZyBmaXJzdCwKCigx 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xLAvwvYCfptzbq88tWUjawCup8UZWviFZn75yNZXc1pAGKcQ4Q6rno+20YIw8S1GEIHUfsBqbi vfz5kE7hVnfi5YiJ2okihE8w/9K4cJUmEGW7EoqGUhziNSPhto/0ADdW0Ca6WEUenpdEfDLmyF 8xCyOkGbn8z6RNc3OPpJbltnHSHwznx6d8SzEkcW5qcMFsuffShOrH7EMb3ZJJg91LsJzyOZgt hhk= X-SBRS: 2.7 X-MesageID: 11850053 X-Ironport-Server: esa5.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.70,369,1574139600"; d="scan'208";a="11850053" From: Lars Kurth To: "xen-announce@lists.xenproject.org" , "xen-users@lists.xenproject.org" Thread-Topic: Xen Project Developer and Design Summit 2020: Location, CfP, Design Sessions Thread-Index: AQHV1QVkY/mvDxSQ50isQRkeIqc4/w== Date: Mon, 27 Jan 2020 11:32:00 +0000 Message-ID: <1DC16BCC-AC09-49D4-96A9-94D0AFEF8727@citrix.com> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.21.0.200113 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted Content-ID: MIME-Version: 1.0 Subject: [Xen-users] Xen Project Developer and Design Summit 2020: Location, CfP, Design Sessions X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" RGVhciBDb21tdW5pdHkgTWVtYmVycywNCg0KdGhpcyBpcyBhIHF1aWNrIGFubm91bmNlbWVudCB0 aGF0IHJlZ2lzdHJhdGlvbiBbMV0gYW5kIHRoZSBjYWxsIGZvciBwYXBlcnMgWzJdIGlzIG9mZmlj aWFsbHkgb3BlbiBmb3IgdGhlwqAyMDIwIFhlbiBQcm9qZWN0IERldmVsb3BlciBhbmQgRGVzaWdu IFN1bW1pdC4gVGhpcyB5ZWFy4oCZcyBTdW1taXQgaXMgdGFraW5nIHBsYWNlIGZyb20gSnVuZSAy bmQgdGhyb3VnaCB0aGUgNHRoIGF0IHRoZSBQUkVDSVMgQ2VudGVyIGluIEJ1Y2hhcmVzdCwgUm9t YW5pYS4gQXMgdXN1YWwgaXQgd2lsbCBicmluZyB0b2dldGhlciB0aGUgWGVuIFByb2plY3QgY29t bXVuaXR5IG9mIGRldmVsb3BlcnMgYW5kIHBvd2VyIHVzZXJzIHRvIHNoYXJlIGlkZWFzLCBsYXRl 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with ESMTPS id edf7fe20-410a-11ea-b833-bc764e2007e4; Mon, 27 Jan 2020 13:42:58 +0000 (UTC) Received: by mail-qt1-x82f.google.com with SMTP id h12so7360924qtu.1 for ; Mon, 27 Jan 2020 05:42:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=TR/jECFek9RJt2BEknEEuUD8N4TRebhqDanC+oocOPE=; b=DCuB+IcuanGG2e312UoN0ya1GM3c1LB0zt8ByTDVCY3SfCYCC81ftAC4ZQO9AFEiCT KskS+bH/vR5QCHliaVFV89luQEZPERxdM9ve6iaQp5sO8EVO1ecsui1RU9HrPJvR6J2V rBmjdVSBHtm5ba14qQcU9rvKLpJbmxBkiMJq1FhLUQhQQBlKz//ss89wGDGcY9s0S6b+ 3/4Us28+6/VW246vQhf9ZthIGOZ0MxC65cUlyCBPtRftxjz6+J3NbK0qGsuBTFq+6nP8 ZYNvW98OyCZO7ZYYWXjGE2yDskzoxDEms+da+NM2BqEcpAiwWyweq7DxFNcrQjielhSE SAxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=TR/jECFek9RJt2BEknEEuUD8N4TRebhqDanC+oocOPE=; 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List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4799081859781568733==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============4799081859781568733== Content-Type: multipart/alternative; boundary="00000000000002c0e1059d1f4932" --00000000000002c0e1059d1f4932 Content-Type: text/plain; charset="UTF-8" On Tue, Jan 7, 2020 at 8:29 AM Tomas Mozes wrote: > Hello, > I've tried upgrading one of my long running Xen-dom0 machines from Xen > 4.11.3 to 4.12.1. It's been working fine for several days, but after that > one of the domUs failed the monitoring checks and it was impossible to > access it via ssh. From the monitoring it's visible that the load just > starts to grow linearly (the memory consumption grows too as new monitoring > processes are spawned and don't finish) and the machine is simply stuck. It > happened 3 times during the last 3 weeks. The Dom0 is working fine, just > one of the domUs is stuck (always the same domU is stuck). > > Xen got upgraded 19.12.2019, the first lockup happened 26.12.2019, then > 28.12.2019 and 5.1.2020. > > The domU kernel log is full of these messages: > Jan 5 13:19:20 kernel: [680493.141103] INFO: rcu_sched detected stalls on > CPUs/tasks: > Jan 5 13:19:20 kernel: [680493.141107] (detected by 12, t=147012 > jiffies, g=72555998, c=72555997, q=89937) > Jan 5 13:19:20 kernel: [680493.141112] All QSes seen, last rcu_sched > kthread activity 147012 (4975178416-4975031404), jiffies_till_next_fqs=3, > root ->qsmask 0x0 > Jan 5 13:19:20 kernel: [680493.141114] php-fpm R running task > 14024 17581 2249 0x00000000 > Jan 5 13:19:20 kernel: [680493.141120] Call Trace: > Jan 5 13:19:20 kernel: [680493.141124] > Jan 5 13:19:20 kernel: [680493.141131] sched_show_task.cold+0xb4/0xcb > Jan 5 13:19:20 kernel: [680493.141135] > rcu_check_callbacks.cold+0x36d/0x3ba > Jan 5 13:19:20 kernel: [680493.141138] update_process_times+0x24/0x60 > Jan 5 13:19:20 kernel: [680493.141143] tick_sched_handle+0x30/0x50 > Jan 5 13:19:20 kernel: [680493.141145] tick_sched_timer+0x30/0x70 > Jan 5 13:19:20 kernel: [680493.141147] ? tick_sched_do_timer+0x40/0x40 > Jan 5 13:19:20 kernel: [680493.141149] __hrtimer_run_queues+0xbc/0x1f0 > Jan 5 13:19:20 kernel: [680493.141153] hrtimer_interrupt+0xa0/0x1d0 > Jan 5 13:19:20 kernel: [680493.141158] xen_timer_interrupt+0x1e/0x30 > Jan 5 13:19:20 kernel: [680493.141162] > __handle_irq_event_percpu+0x3d/0x160 > Jan 5 13:19:20 kernel: [680493.141164] handle_irq_event_percpu+0x1c/0x60 > Jan 5 13:19:20 kernel: [680493.141168] handle_percpu_irq+0x32/0x50 > Jan 5 13:19:20 kernel: [680493.141171] generic_handle_irq+0x1f/0x30 > Jan 5 13:19:20 kernel: [680493.141175] > __evtchn_fifo_handle_events+0x13f/0x150 > Jan 5 13:19:20 kernel: [680493.141181] __xen_evtchn_do_upcall+0x53/0x90 > Jan 5 13:19:20 kernel: [680493.141186] xen_evtchn_do_upcall+0x22/0x40 > Jan 5 13:19:20 kernel: [680493.141191] xen_hvm_callback_vector+0x85/0x90 > Jan 5 13:19:20 kernel: [680493.141192] > Jan 5 13:19:20 kernel: [680493.141194] RIP: 0033:0x56398dc8a959 > Jan 5 13:19:20 kernel: [680493.141195] RSP: 002b:00007ffdd588d3d0 EFLAGS: > 00000246 ORIG_RAX: ffffffffffffff0c > Jan 5 13:19:20 kernel: [680493.141197] RAX: 0000000000000060 RBX: > 00007f6ea3aa02e0 RCX: 0000000000000000 > Jan 5 13:19:20 kernel: [680493.141198] RDX: 00007f6ea3aa02a0 RSI: > 00007ffdd588d3d8 RDI: 00007ffdd588d3e0 > Jan 5 13:19:20 kernel: [680493.141199] RBP: 00007f6ea3a9b5b0 R08: > 00007f6ea49be770 R09: 00007f6ea483cdc0 > Jan 5 13:19:20 kernel: [680493.141200] R10: 00007f6eae520a40 R11: > 00007f6eae4933c0 R12: 00005639902892a0 > Jan 5 13:19:20 kernel: [680493.141201] R13: 0000000000000000 R14: > 00007f6eae41e930 R15: 00007f6ea7077138 > Jan 5 13:19:20 kernel: [680493.141204] rcu_sched kthread starved for > 147012 jiffies! g72555998 c72555997 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x200 > ->cpu=3 > Jan 5 13:19:20 kernel: [680493.141205] rcu_sched R15016 8 > 2 0x80000000 > Jan 5 13:19:20 kernel: [680493.141210] Call Trace: > Jan 5 13:19:20 kernel: [680493.141215] ? __schedule+0x24e/0x710 > Jan 5 13:19:20 kernel: [680493.141216] schedule+0x2d/0x80 > Jan 5 13:19:20 kernel: [680493.141219] schedule_timeout+0x16c/0x340 > Jan 5 13:19:20 kernel: [680493.141221] ? call_timer_fn+0x130/0x130 > Jan 5 13:19:20 kernel: [680493.141222] rcu_gp_kthread+0x486/0xd60 > Jan 5 13:19:20 kernel: [680493.141224] kthread+0xfd/0x130 > Jan 5 13:19:20 kernel: [680493.141226] ? force_qs_rnp+0x170/0x170 > Jan 5 13:19:20 kernel: [680493.141227] ? __kthread_parkme+0x90/0x90 > Jan 5 13:19:20 kernel: [680493.141228] ret_from_fork+0x35/0x40 > > Xen-dom0 is running kernel 4.14.158 and these xen command line options: > GRUB_CMDLINE_XEN="dom0_mem=4G gnttab_max_frames=256 ucode=scan loglvl=all > guest_loglvl=all console_to_ring console_timestamps=date conring_size=1m > smt=true iommu=no-intremap" > > Xen-domU config: > name = "machine" > kernel = "kernel-4.14.159-gentoo-xen" > memory = 10000 > vcpus = 16 > vif = [ '' ] > disk = [ > '...root,raw,xvda,rw', > '...opt,raw,xvdc,rw', > '...home,raw,xvdb,rw', > '...tmp,raw,xvdd,rw', > '...var,raw,xvde,rw', > ] > extra = "root=/dev/xvda net.ifnames=0 console=ttyS0 console=ttyS0,38400n8" > type = "hvm" > sdl = 0 > vnc = 0 > serial='pty' > xen_platform_pci=1 > max_grant_frames = 256 > > I've had issues like this in the past with the grant frames (basically > this issue https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=880554), > maybe some other value needs to be raised too? > > Thanks, > Tomas > Reproduced on another HP machine. The previous one was HP ProLiant DL360 G7 with 2x Intel Xeon E5620 @ 2.40GHz. The other is HP ProLiant DL360p Gen8 with 2x Intel Xeon CPU E5-2630 @ 2.30GHz. The strange thing is this does not happen on our testing machine (but has lower load of course) - that's a Supermicro X10DRW with 1x Intel Xeon CPU E5-2620 v3 @ 2.40GHz. --00000000000002c0e1059d1f4932 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


=
On Tue, Jan 7, 2020 at 8:29 AM Tomas = Mozes <hydrapolic@gmail.com&= gt; wrote:
Hello,
I've tried upgrading one of my long running Xen-d= om0 machines from Xen 4.11.3 to 4.12.1. It's been working fine for seve= ral days, but after that one of the domUs failed the monitoring checks and = it was impossible to access it via ssh. From the monitoring it's visibl= e that the load just starts to grow linearly (the memory consumption grows = too as new monitoring processes are spawned and don't finish) and the m= achine is simply stuck. It happened 3 times during the last 3 weeks. The Do= m0 is working fine, just one of the domUs is stuck (always the same domU is= stuck).

Xen got upgraded 19.12.2019, the first lockup happened 26.1= 2.2019, then 28.12.2019 and 5.1.2020.

The domU kernel log is full of= these messages:
Jan =C2=A05 13:19:20 kernel: [680493.141103] INFO: rcu_= sched detected stalls on CPUs/tasks:
Jan =C2=A05 13:19:20 kernel: [68049= 3.141107] =C2=A0 =C2=A0 =C2=A0 =C2=A0 (detected by 12, t=3D147012 jiffies, = g=3D72555998, c=3D72555997, q=3D89937)
Jan =C2=A05 13:19:20 kernel: [680= 493.141112] All QSes seen, last rcu_sched kthread activity 147012 (49751784= 16-4975031404), jiffies_till_next_fqs=3D3, root ->qsmask 0x0
Jan =C2= =A05 13:19:20 kernel: [680493.141114] php-fpm =C2=A0 =C2=A0 =C2=A0 =C2=A0 R= =C2=A0running task =C2=A0 =C2=A014024 17581 =C2=A0 2249 0x00000000
Jan = =C2=A05 13:19:20 kernel: [680493.141120] Call Trace:
Jan =C2=A05 13:19:2= 0 kernel: [680493.141124] =C2=A0<IRQ>
Jan =C2=A05 13:19:20 kernel:= [680493.141131] =C2=A0sched_show_task.cold+0xb4/0xcb
Jan =C2=A05 13:19:= 20 kernel: [680493.141135] =C2=A0rcu_check_callbacks.cold+0x36d/0x3ba
Ja= n =C2=A05 13:19:20 kernel: [680493.141138] =C2=A0update_process_times+0x24/= 0x60
Jan =C2=A05 13:19:20 kernel: [680493.141143] =C2=A0tick_sched_handl= e+0x30/0x50
Jan =C2=A05 13:19:20 kernel: [680493.141145] =C2=A0tick_sche= d_timer+0x30/0x70
Jan =C2=A05 13:19:20 kernel: [680493.141147] =C2=A0? t= ick_sched_do_timer+0x40/0x40
Jan =C2=A05 13:19:20 kernel: [680493.141149= ] =C2=A0__hrtimer_run_queues+0xbc/0x1f0
Jan =C2=A05 13:19:20 kernel: [68= 0493.141153] =C2=A0hrtimer_interrupt+0xa0/0x1d0
Jan =C2=A05 13:19:20 ker= nel: [680493.141158] =C2=A0xen_timer_interrupt+0x1e/0x30
Jan =C2=A05 13:= 19:20 kernel: [680493.141162] =C2=A0__handle_irq_event_percpu+0x3d/0x160Jan =C2=A05 13:19:20 kernel: [680493.141164] =C2=A0handle_irq_event_percpu= +0x1c/0x60
Jan =C2=A05 13:19:20 kernel: [680493.141168] =C2=A0handle_per= cpu_irq+0x32/0x50
Jan =C2=A05 13:19:20 kernel: [680493.141171] =C2=A0gen= eric_handle_irq+0x1f/0x30
Jan =C2=A05 13:19:20 kernel: [680493.141175] = =C2=A0__evtchn_fifo_handle_events+0x13f/0x150
Jan =C2=A05 13:19:20 kerne= l: [680493.141181] =C2=A0__xen_evtchn_do_upcall+0x53/0x90
Jan =C2=A05 13= :19:20 kernel: [680493.141186] =C2=A0xen_evtchn_do_upcall+0x22/0x40
Jan = =C2=A05 13:19:20 kernel: [680493.141191] =C2=A0xen_hvm_callback_vector+0x85= /0x90
Jan =C2=A05 13:19:20 kernel: [680493.141192] =C2=A0</IRQ>Jan =C2=A05 13:19:20 kernel: [680493.141194] RIP: 0033:0x56398dc8a959
J= an =C2=A05 13:19:20 kernel: [680493.141195] RSP: 002b:00007ffdd588d3d0 EFLA= GS: 00000246 ORIG_RAX: ffffffffffffff0c
Jan =C2=A05 13:19:20 kernel: [68= 0493.141197] RAX: 0000000000000060 RBX: 00007f6ea3aa02e0 RCX: 0000000000000= 000
Jan =C2=A05 13:19:20 kernel: [680493.141198] RDX: 00007f6ea3aa02a0 R= SI: 00007ffdd588d3d8 RDI: 00007ffdd588d3e0
Jan =C2=A05 13:19:20 kernel: = [680493.141199] RBP: 00007f6ea3a9b5b0 R08: 00007f6ea49be770 R09: 00007f6ea4= 83cdc0
Jan =C2=A05 13:19:20 kernel: [680493.141200] R10: 00007f6eae520a4= 0 R11: 00007f6eae4933c0 R12: 00005639902892a0
Jan =C2=A05 13:19:20 kerne= l: [680493.141201] R13: 0000000000000000 R14: 00007f6eae41e930 R15: 00007f6= ea7077138
Jan =C2=A05 13:19:20 kernel: [680493.141204] rcu_sched kthread= starved for 147012 jiffies! g72555998 c72555997 f0x2 RCU_GP_WAIT_FQS(3) -&= gt;state=3D0x200 ->cpu=3D3
Jan =C2=A05 13:19:20 kernel: [680493.14120= 5] rcu_sched =C2=A0 =C2=A0 =C2=A0 R15016 =C2=A0 =C2=A0 8 =C2=A0 =C2=A0 =C2= =A02 0x80000000
Jan =C2=A05 13:19:20 kernel: [680493.141210] Call Trace:=
Jan =C2=A05 13:19:20 kernel: [680493.141215] =C2=A0? __schedule+0x24e/0= x710
Jan =C2=A05 13:19:20 kernel: [680493.141216] =C2=A0schedule+0x2d/0x= 80
Jan =C2=A05 13:19:20 kernel: [680493.141219] =C2=A0schedule_timeout+0= x16c/0x340
Jan =C2=A05 13:19:20 kernel: [680493.141221] =C2=A0? call_tim= er_fn+0x130/0x130
Jan =C2=A05 13:19:20 kernel: [680493.141222] =C2=A0rcu= _gp_kthread+0x486/0xd60
Jan =C2=A05 13:19:20 kernel: [680493.141224] =C2= =A0kthread+0xfd/0x130
Jan =C2=A05 13:19:20 kernel: [680493.141226] =C2= =A0? force_qs_rnp+0x170/0x170
Jan =C2=A05 13:19:20 kernel: [680493.14122= 7] =C2=A0? __kthread_parkme+0x90/0x90
Jan =C2=A05 13:19:20 kernel: [6804= 93.141228] =C2=A0ret_from_fork+0x35/0x40

Xen-dom0 is running kernel = 4.14.158 and these xen command line options: GRUB_CMDLINE_XEN=3D"dom0_= mem=3D4G gnttab_max_frames=3D256 ucode=3Dscan loglvl=3Dall guest_loglvl=3Da= ll console_to_ring console_timestamps=3Ddate conring_size=3D1m smt=3Dtrue i= ommu=3Dno-intremap"

Xen-domU config:
name =3D "machine&= quot;
kernel =3D "kernel-4.14.159-gentoo-xen"
memory =3D 10= 000
vcpus =3D 16
vif =3D [ '' ]
disk =3D [
'...root= ,raw,xvda,rw',
'...opt,raw,xvdc,rw',
'...home,raw,xvd= b,rw',
'...tmp,raw,xvdd,rw',
'...var,raw,xvde,rw'= ,
]
extra =3D "root=3D/dev/xvda net.ifnames=3D0 console=3DttyS0 = console=3DttyS0,38400n8"
type =3D "hvm"
sdl =3D 0
v= nc =3D 0
serial=3D'pty'
xen_platform_pci=3D1
max_grant_fra= mes =3D 256

I've had issues like this in the past with the grant= frames (basically this issue https://bugs.debian.org/cgi-bin= /bugreport.cgi?bug=3D880554), maybe some other value needs to be raised= too?

Thanks,
Tomas

Rep= roduced on another HP machine. The previous one was HP ProLiant DL360 G7 wi= th 2x Intel Xeon E5620 @ 2.40GHz. The other is HP ProLiant DL360p Gen8 with= 2x Intel Xeon CPU E5-2630 @ 2.30GHz.

The str= ange thing is this does not happen on our testing machine (but has lower lo= ad of course) - that's a Supermicro X10DRW with 1x Intel Xeon CPU E5-26= 20 v3 @ 2.40GHz.
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Thu, 30 Jan 2020 15:05:57 +0000 Subject: [Xen-users] Remembering Lars Kurth at FOSDEM X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1091236540232729531==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1091236540232729531== Content-Type: multipart/alternative; boundary="000000000000ed0e33059d5cc414" --000000000000ed0e33059d5cc414 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable The Virtualization community that is gathering at FOSDEM would like to share its plans to remember the life and accomplishments of our valued friend and colleague, Lars Kurth, who has recently passed away. The remembrance will be at 09:45 Sunday Feb. 2 in the Virtualization Devroom (H.1309). We invite all to attend who would like to share in their memories of Lars and celebrate his life. --000000000000ed0e33059d5cc414 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The Virtualization community that is ga= thering at FOSDEM would like to share its plans to remember the life and ac= complishments of our valued friend and colleague, Lars Kurth, who has recen= tly passed away.

The rem= embrance will be at 09:45 Sunday Feb. 2 in the Virtualization Devroom (H.13= 09). We invite all to attend who would like to share in their memories of L= ars and celebrate his life.

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I never forget him. I never forget him helps.Honestly, hard to believe. It is a very sad news and a big shock.Lars, you are not among us, but we never forget you. May God bless Lars Kurth. Sent from Yahoo Mail on Android On Thu, Jan 30, 2020 at 6:39 PM, Tal Nisan wrote: The Virtualization community that is gathering at FOSDEM would like to share its plans to remember the life and accomplishments of our valued friend and colleague, Lars Kurth, who has recently passed away. The remembrance will be at 09:45 Sunday Feb. 2 in the Virtualization Devroom (H.1309). We invite all to attend who would like to share in their memories of Lars and celebrate his life. _______________________________________________ Xen-users mailing list Xen-users@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-users ------=_Part_412046_662831713.1580422445057 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
He was a very good and= kind friend. I never forget him. I never forget him helps.
Honestly, hard to believe. It is= a very sad news and a big shock.
Lars, you are not among us, but we never forget you.
=

May God bless Lars Kurth.


=

<= div>On Thu, Jan 30, 2020 at 6:39 PM, Tal Nisan
<tnisan@redhat.= com> wrote:
The Virtualization community that is gathering at FOSDEM would like t= o share its plans to remember the life and accomplishments of our valued fr= iend and colleague, Lars Kurth, who has recently passed away.
The remembrance will be at 09:45 Sunday Feb. 2 in the Virtualiz= ation Devroom (H.1309). We invite all to attend who would like to share in = their memories of Lars and celebrate his life.

____________________= ___________________________
Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenpr= oject.org/mailman/listinfo/xen-users
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Fri, 31 Jan 2020 09:18:51 +0000 Received: from AM0PR08MB4211.eurprd08.prod.outlook.com ([fe80::19ca:c5fc:289:4cf]) by AM0PR08MB4211.eurprd08.prod.outlook.com ([fe80::19ca:c5fc:289:4cf%5]) with mapi id 15.20.2665.027; Fri, 31 Jan 2020 09:18:51 +0000 From: Camden Mannett To: "xen-users@lists.xenproject.org" Thread-Topic: Load Xen domU (guest) kernel over TFTP Thread-Index: AQHV2BcvigrFWH2CqE2FesqxSov/KA== Date: Fri, 31 Jan 2020 09:18:50 +0000 Message-ID: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: Authentication-Results-Original: spf=none (sender IP is ) smtp.mailfrom=Camden.Mannett@arm.com; x-originating-ip: [213.86.15.71] x-ms-publictraffictype: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: eee7d89d-768c-4ed8-5bff-08d7a62e99a3 X-MS-TrafficTypeDiagnostic: AM0PR08MB4244:|HE1PR0802MB2394: X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true nodisclaimer: true x-ms-oob-tlc-oobclassifiers: OLM:8273;OLM:10000; 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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0802MB2394 Subject: [Xen-users] Load Xen domU (guest) kernel over TFTP X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SSBoYXZlIGEgWGVuIGRvbTAgaW5zdGFuY2UgdGhhdCBoYXMgaXRzIGtlcm5lbCBhbmQgRFRCIGxv YWRlZCBvdmVyIFRGVFAgKHZpYSBhIFUtQm9vdCBzY3JpcHQpLCBhbmQgaXRzIHJvb3QgRlMgbG9h ZGVkIG92ZXIgTkZTLiBJIHdvdWxkIGxpa2UgYW55IGRvbVUgKGd1ZXN0KSBpbnN0YW5jZXMgdG8g YmVoYXZlIHRoZSBzYW1lLCBidXQgSSdtIHN0cnVnZ2xpbmcgdG8gZmluZCBvdXQgaG93IHRvIGxv YWQgb3ZlciBURlRQIC0gZm9yIGV4YW1wbGU6CgogICAga2VybmVsICAgICAgPSAibXlfa2VybmVs IgogICAgZGV2aWNlX3RyZWUgPSAibXlfZHQuZHRiIgogICAgbmFtZSAgICAgICAgPSAiZ3Vlc3Qx IgogICAgbWVtb3J5ICAgICAgPSAxMDI0CiAgICB2Y3B1cyAgICAgICA9IDIKICAgIGV4dHJhICAg ICAgID0gInJ3IG5mc3Jvb3Q9MTkyLjE2OC4wLjE6L2d1ZXN0MSx0Y3AsdjMgZWFybHlwcmludGs9 eGVuYm9vdCBjb25zb2xlPWh2YzAgaXA9Ojo6OjpldGgwOmRoY3AiCiAgICBuZnNfcm9vdCAgICA9 ICIvZ3Vlc3QxIgogICAgbmZzX3NlcnZlciAgPSAiMTAuMzIuMjA5LjEwIgogICAgcm9vdCAgICAg ICAgPSAiL2Rldi9uZnMiCiAgICBkaGNwICAgICAgICA9ICdkaGNwJwogICAgbmljcyAgICAgICAg PSAxCiAgICB2aWYgICAgICAgICA9IFsgJ21hYz1hYTowMDowMDowMDowMDowMScgXQogICAgdmZi ICAgICAgICAgPSBbICd0eXBlPXZuYyx2bmNkaXNwbGF5PTEnIF0KCkhhdmluZyB0aGUgZ3Vlc3Qg a2VybmVsIGFuZCBEVEIgbG9hZGVkIGZyb20gZG9tMCdzIGZpbGVzeXN0ZW0gd29ya3MsIGJ1dCBh dHRlbXB0aW5nIHRvIGNoYW5nZSB0aGUgcmVsZXZhbnQgcGF0aHMgdG8gVEZUUCAoeGVucHZuZXRi b290IHN0eWxlKToKCiAgICBrZXJuZWwgICAgICA9ICJ0ZnRwOi8vMTkyLjE2OC4wLzEvbXlfa2Vy bmVsIgogICAgZGV2aWNlX3RyZWUgPSAidGZ0cDovLzE5Mi4xNjguMC4xL215X2R0LmR0YiIKClRo aXMgZG9lc24ndCB3b3JrLiBJIGNhbid0IHVzZSB4ZW5wdm5ldGJvb3QgYXMgaXQgcmVxdWlyZXMg YSByYW1kaXNrIGltYWdlLCB3aGljaCBJIGRvbid0IHVzZS4KCkFueSBpZGVhcyBob3cgSSBjYW4g bG9hZCBhIGtlcm5lbCBhbmQgRFRCIGludG8gYSBkb21VIGluc3RhbmNlIG92ZXIgVEZUUD8KSU1Q T1JUQU5UIE5PVElDRTogVGhlIGNvbnRlbnRzIG9mIHRoaXMgZW1haWwgYW5kIGFueSBhdHRhY2ht ZW50cyBhcmUgY29uZmlkZW50aWFsIGFuZCBtYXkgYWxzbyBiZSBwcml2aWxlZ2VkLiBJZiB5b3Ug YXJlIG5vdCB0aGUgaW50ZW5kZWQgcmVjaXBpZW50LCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIg aW1tZWRpYXRlbHkgYW5kIGRvIG5vdCBkaXNjbG9zZSB0aGUgY29udGVudHMgdG8gYW55IG90aGVy IHBlcnNvbiwgdXNlIGl0IGZvciBhbnkgcHVycG9zZSwgb3Igc3RvcmUgb3IgY29weSB0aGUgaW5m b3JtYXRpb24gaW4gYW55IG1lZGl1bS4gVGhhbmsgeW91LgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJzIG1haWxpbmcgbGlzdApYZW4tdXNl cnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWls bWFuL2xpc3RpbmZvL3hlbi11c2Vycw== From xen-users-bounces@lists.xenproject.org Fri Jan 31 12:47:38 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 31 Jan 2020 12:47:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ixVgl-0007u0-29; 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[54.240.197.236]) by smtp.gmail.com with ESMTPSA id w7sm10581276wmi.9.2020.01.31.07.13.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Jan 2020 07:13:57 -0800 (PST) To: Camden Mannett , "xen-users@lists.xenproject.org" References: From: Julien Grall Message-ID: <3c8bca26-cb20-f087-dac4-67e9ffc7a555@xen.org> Date: Fri, 31 Jan 2020 15:13:56 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB Subject: Re: [Xen-users] Load Xen domU (guest) kernel over TFTP X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SGVsbG8sCgpPbiAzMS8wMS8yMDIwIDA5OjE4LCBDYW1kZW4gTWFubmV0dCB3cm90ZToKPiBJIGhh dmUgYSBYZW4gZG9tMCBpbnN0YW5jZSB0aGF0IGhhcyBpdHMga2VybmVsIGFuZCBEVEIgbG9hZGVk IG92ZXIgVEZUUCAodmlhIGEgVS1Cb290IHNjcmlwdCksIGFuZCBpdHMgcm9vdCBGUyBsb2FkZWQg b3ZlciBORlMuIEkgd291bGQgbGlrZSBhbnkgZG9tVSAoZ3Vlc3QpIGluc3RhbmNlcyB0byBiZWhh dmUgdGhlIHNhbWUsIGJ1dCBJJ20gc3RydWdnbGluZyB0byBmaW5kIG91dCBob3cgdG8gbG9hZCBv dmVyIFRGVFAgLSBmb3IgZXhhbXBsZToKPiAKPiAgICAgIGtlcm5lbCAgICAgID0gIm15X2tlcm5l bCIKPiAgICAgIGRldmljZV90cmVlID0gIm15X2R0LmR0YiIKCkZvciB3aGF0IGlzIHdvcnRoLCB0 aGlzIG9wdGlvbiBpcyBvbmx5IG5lY2Vzc2FyeSBpZiB5b3UgYXJlIGdvaW5nIHRvIApwYXNzdGhy b3VnaCBhIGRldmljZSB0byB5b3VyIGd1ZXN0LiBUaGlzIGlzIGFsc28gYSBwYXJ0aWFsIGRldmlj ZS10cmVlIAp0byBwcm92aWRlIGluZm9ybWF0aW9uIGFib3V0IHRoZSBkZXZpY2UgeW91IGFyZSBh Ym91dCB0byBwYXNzdGhyb3VnaC4gClRoZSByZXN0IG9mIHRoZSBkZXZpY2UtdHJlZSBpcyBjcmVh dGVkIGJ5IHRoZSB0b29sc3RhY2suCgo+ICAgICAgbmFtZSAgICAgICAgPSAiZ3Vlc3QxIgo+ICAg ICAgbWVtb3J5ICAgICAgPSAxMDI0Cj4gICAgICB2Y3B1cyAgICAgICA9IDIKPiAgICAgIGV4dHJh ICAgICAgID0gInJ3IG5mc3Jvb3Q9MTkyLjE2OC4wLjE6L2d1ZXN0MSx0Y3AsdjMgZWFybHlwcmlu dGs9eGVuYm9vdCBjb25zb2xlPWh2YzAgaXA9Ojo6OjpldGgwOmRoY3AiCj4gICAgICBuZnNfcm9v dCAgICA9ICIvZ3Vlc3QxIgo+ICAgICAgbmZzX3NlcnZlciAgPSAiMTAuMzIuMjA5LjEwIgo+ICAg ICAgcm9vdCAgICAgICAgPSAiL2Rldi9uZnMiCj4gICAgICBkaGNwICAgICAgICA9ICdkaGNwJwo+ ICAgICAgbmljcyAgICAgICAgPSAxCj4gICAgICB2aWYgICAgICAgICA9IFsgJ21hYz1hYTowMDow MDowMDowMDowMScgXQo+ICAgICAgdmZiICAgICAgICAgPSBbICd0eXBlPXZuYyx2bmNkaXNwbGF5 PTEnIF0KPiAKPiBIYXZpbmcgdGhlIGd1ZXN0IGtlcm5lbCBhbmQgRFRCIGxvYWRlZCBmcm9tIGRv bTAncyBmaWxlc3lzdGVtIHdvcmtzLCBidXQgYXR0ZW1wdGluZyB0byBjaGFuZ2UgdGhlIHJlbGV2 YW50IHBhdGhzIHRvIFRGVFAgKHhlbnB2bmV0Ym9vdCBzdHlsZSk6Cj4gCj4gICAgICBrZXJuZWwg ICAgICA9ICJ0ZnRwOi8vMTkyLjE2OC4wLzEvbXlfa2VybmVsIgo+ICAgICAgZGV2aWNlX3RyZWUg PSAidGZ0cDovLzE5Mi4xNjguMC4xL215X2R0LmR0YiIKPiAKPiBUaGlzIGRvZXNuJ3Qgd29yay4g SSBjYW4ndCB1c2UgeGVucHZuZXRib290IGFzIGl0IHJlcXVpcmVzIGEgcmFtZGlzayBpbWFnZSwg d2hpY2ggSSBkb24ndCB1c2UuCkNvdWxkIHlvdSBleHBhbmQgd2hhdCB5b3UgbWVhbiBieSB0aGlz IGRvZXMgbm90IHdvcms/IEZyb20gbXkgdGVzdGluZywgCnhlbnB2bmV0Ym9vdCBkb2VzIG5vdCBy ZXF1aXJlIGEgcmFtZGlzay4KCkhvd2V2ZXIsIHRoZSBzY3JpcHQgd2lsbCBub3QgYmUgYWJsZSB0 byBkZWFsIHdpdGggdGhlIGRldmljZS10cmVlLiBCdXQgSSAKYW0gbm90IGVudGlyZWx5IHdoeSB5 b3UgYXJlIHRyeWluZyB0byBsb2FkIGEgZGV2aWNlLXRyZWUgaGVyZSBnaXZlbiB5b3VyIApvcHRp b25zIGRvZXNuJ3Qgc2hvdyBhbiBkZXZpY2UgcGFzc3Rocm91Z2guCgo+IAo+IEFueSBpZGVhcyBo b3cgSSBjYW4gbG9hZCBhIGtlcm5lbCBhbmQgRFRCIGludG8gYSBkb21VIGluc3RhbmNlIG92ZXIg VEZUUD8KPiBJTVBPUlRBTlQgTk9USUNFOiBUaGUgY29udGVudHMgb2YgdGhpcyBlbWFpbCBhbmQg YW55IGF0dGFjaG1lbnRzIGFyZSBjb25maWRlbnRpYWwgYW5kIG1heSBhbHNvIGJlIHByaXZpbGVn ZWQuIElmIHlvdSBhcmUgbm90IHRoZSBpbnRlbmRlZCByZWNpcGllbnQsIHBsZWFzZSBub3RpZnkg dGhlIHNlbmRlciBpbW1lZGlhdGVseSBhbmQgZG8gbm90IGRpc2Nsb3NlIHRoZSBjb250ZW50cyB0 byBhbnkgb3RoZXIgcGVyc29uLCB1c2UgaXQgZm9yIGFueSBwdXJwb3NlLCBvciBzdG9yZSBvciBj b3B5IHRoZSBpbmZvcm1hdGlvbiBpbiBhbnkgbWVkaXVtLiBUaGFuayB5b3UuCgpQbGVhc2UgYXZv aWQgc2VuZGluZyBlLW1haWwgd2l0aCBkaXNjbGFpbWVyIG9uIHB1YmxpYyBtYWlsaW5nIGxpc3Qu CgpCZXN0IHJlZ2FyZHMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tdXNlcnMgbWFpbGluZyBsaXN0Clhlbi11c2Vy c0BsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLXVzZXJz From xen-users-bounces@lists.xenproject.org Fri Jan 31 15:17:09 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 31 Jan 2020 15:17:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ixY2Z-0007me-FK; 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[54.240.197.236]) by smtp.gmail.com with ESMTPSA id z25sm10973076wmf.14.2020.01.31.07.16.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Jan 2020 07:16:54 -0800 (PST) To: Pierre-Philipp Braun , Camden Mannett References: From: Julien Grall Message-ID: <95171177-ffe3-bb59-f7b7-2c72bcb4be34@xen.org> Date: Fri, 31 Jan 2020 15:16:53 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB Subject: Re: [Xen-users] Load Xen domU (guest) kernel over TFTP X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-users@lists.xenproject.org" Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" CgpPbiAzMS8wMS8yMDIwIDEyOjMwLCBQaWVycmUtUGhpbGlwcCBCcmF1biB3cm90ZToKPiBKdXN0 IGEgd29ya2Fyb3VuZCwgbWJvb3RwYWNrIGFsbG93cyB5b3UgdG8gY29tcGFjdCBib3RoIGtlcm5l bHMgaW50byBvbmUuIEl0IHdhcyB1c2VkIGEgd2hpbGUgYWdvIHRvIGRlYWwgd2l0aCBib290bG9h ZGVycyB3aXRob3V0IE11bHRpYm9vdC4gTm90IHN1cGVyIGZsZXhpYmxlIHNvbHV0aW9uLCBidXQg YSB3b3JrYXJvdW5kCgpJcyBpdCBnb2luZyB0byB3b3JrIG9uIEFybSBhcyB3ZWxsPwoKQ2hlZXJz LAoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLXVzZXJzIG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hl bi11c2Vycw==