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However, the xen could not parse the config correctly, saying xc: error: panic: xc_dom_core.c:877: xc_dom_parse_image: unsupported feature requested: Invalid configuration libxl: error: libxl_dom.c:583:libxl__build_pv: xc_dom_parse_image failed: No such file or directory libxl: error: libxl_create.c:1121:domcreate_rebuild_done: cannot (re-)build domain: -3 The problem is that when I change to linux 4.7, xen4.5.0 could successfully create the VM, although it got stuck when booting, I got only one line output, (XEN) irq.c: 380: Dom1 callback via changed to Direct Vector 0xf3 I've got one successful try with xen 4.9.0 and linux cloned from git:// git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git I wonder if pvh is not fully supported in xen 4.5.0? Do I have to switch to xen 4.9.0 to start a pvh guest? Thanks --001a1147c68e3e608605581ba86e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi all,

I'm trying to start a pvh g= uest on debian 8.2(whose kernel is 3.16.43-2+deb8u3) with xen 4.5.0, the gu= est is a compiled linux 4.12.10 kernel(pvh support enabled). However, the x= en could not parse the config correctly, saying=C2=A0
=C2=A0 =C2= =A0 xc: error: panic: xc_dom_core.c:877: xc_dom_parse_image: unsupported fe= ature requested: Invalid=C2=A0configuration
=C2=A0 =C2=A0 libxl: = error: libxl_dom.c:583:libxl__build_pv: xc_dom_parse_image failed: No such = file or directory
=C2=A0 =C2=A0 libxl: error: libxl_create.c:1121= :domcreate_rebuild_done: cannot (re-)build domain: -3

<= div>The problem is that when I change to linux 4.7, xen4.5.0 could successf= ully create the VM, although it got stuck when booting, I got only one line= output,
=C2=A0 =C2=A0 (XEN) irq.c: 380: Dom1 callback via change= d to Direct Vector 0xf3

I've got one successfu= l try with xen 4.9.0 and linux cloned from=C2=A0git://git.kernel.org/pub/scm/linux/kernel/git/kon= rad/xen.git

I wonder if pvh is not fully supported in xen 4.5.0? Do I have= to switch to xen 4.9.0 to start a pvh guest?

Thanks
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Received: from [46.28.1.27] (port=52650) by serverplan.serverplan.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.89) (envelope-from ) id 1dnlAh-000DRP-3Y for xen-users@lists.xen.org; Fri, 01 Sep 2017 14:35:39 +0200 To: xen-users@lists.xen.org From: Giuseppe Tanzilli - Serverplan Message-ID: <043519b9-af65-00d3-d23f-68a0abac4e5d@serverplan.com> Date: Fri, 1 Sep 2017 14:36:12 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 Content-Language: it-IT X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - serverplan.serverplan.com X-AntiAbuse: Original Domain - lists.xen.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - serverplan.com X-Get-Message-Sender-Via: serverplan.serverplan.com: authenticated_id: giuseppe@serverplan.com X-Authenticated-Sender: serverplan.serverplan.com: giuseppe@serverplan.com Subject: [Xen-users] Xen 4.4 netdev watchdog trasmit queue timeout X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4455356439403891476==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============4455356439403891476== Content-Type: multipart/alternative; boundary="------------6ECB32E4685C4557EDFC1B1F" Content-Language: it-IT This is a multi-part message in MIME format. --------------6ECB32E4685C4557EDFC1B1F Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit hi, we are experiencing occasinoally this crash, connectivity of vm goes down, but vm stays up, any hints on this error ? Tried differente kernel / drivers , running  4.9.39-29.el6.x86_64 on 4.4.4-24 I tried latest driver from DELL tg3 ver 137q but had same issue any hints ? anyone experiencing this issue ? thanks    Giuseppe Aug 31 20:24:40 myhostname kernel: [1501142.211031] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:316 dev_watchdog+0x229/0x230 Aug 31 20:24:40 myhostname kernel: [1501142.211037] NETDEV WATCHDOG: em3 (tg3): transmit queue 0 timed out Aug 31 20:24:40 myhostname kernel: [1501142.211038] Modules linked in: cls_fw sch_htb iptable_mangle xt_mark sch_tbf xt_physdev br_netfilter 8021q mrp garp nf_log_ipv4 nf_log_common xt_LOG nf_conntrack_ipv4 nf_defrag_ipv4 arptable_filter arp_tables ip6t_REJECT nf_reject_ipv6 ip6table_mangle bridge stp llc xen_pciback xen_gntalloc rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs fscache lockd sunrpc grace dm_round_robin bonding nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i iw_cxgb4 cxgb4 cxgb3i libcxgbi iw_cxgb3 cxgb3 libcxgb ib_iser rdma_cm ib_cm iw_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_multipath blktap xen_netback xen_blkback xen_gntdev xen_evtchn xenfs xen_privcmd ufs ipmi_devintf iTCO_wdt iTCO_vendor_support dcdbas pcspkr ipmi_si ipmi_msghandler Aug 31 20:24:40 myhostname kernel: [1501142.211075]  fjes bnx2x libcrc32c mdio acpi_power_meter lpc_ich shpchp joydev mei_me mei tg3(O) ptp pps_core uas usb_storage megaraid_sas wmi mgag200 ttm Aug 31 20:24:40 myhostname kernel: [1501142.211085] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G           O    4.9.39-29.el6.x86_64 #1 Aug 31 20:24:40 myhostname kernel: [1501142.211086] Hardware name: Dell Inc. PowerEdge R720xd/0C4Y3R, BIOS 2.5.4 01/22/2016 Aug 31 20:24:40 myhostname kernel: [1501142.211088] ffff880482003ca8 ffffffff8141db4f ffffffff817d50b9 ffff880482003d08 Aug 31 20:24:40 myhostname kernel: [1501142.211090] ffff880482003d08 0000000000000000 ffff880482003cf8 ffffffff810a4ded Aug 31 20:24:40 myhostname kernel: [1501142.211092] ffff88042aa09350 0000013c82010180 ffff880482003cd8 ffff88043cdcc000 Aug 31 20:24:40 myhostname kernel: [1501142.211094] Call Trace: Aug 31 20:24:40 myhostname kernel: [1501142.211095]  Aug 31 20:24:40 myhostname kernel: [1501142.211100] [] dump_stack+0x67/0x98 Aug 31 20:24:40 myhostname kernel: [1501142.211102] [] ? dev_watchdog+0x229/0x230 Aug 31 20:24:40 myhostname kernel: [1501142.211105] [] __warn+0xfd/0x120 Aug 31 20:24:40 myhostname kernel: [1501142.211106] [] warn_slowpath_fmt+0x49/0x50 Aug 31 20:24:40 myhostname kernel: [1501142.211108] [] dev_watchdog+0x229/0x230 Aug 31 20:24:40 myhostname kernel: [1501142.211111] [] ? tick_program_event+0x4f/0x80 Aug 31 20:24:40 myhostname kernel: [1501142.211113] [] ? dev_trans_start+0x70/0x70 Aug 31 20:24:40 myhostname kernel: [1501142.211116] [] call_timer_fn+0x42/0x140 Aug 31 20:24:40 myhostname kernel: [1501142.211118] [] expire_timers+0xcc/0x150 Aug 31 20:24:40 myhostname kernel: [1501142.211119] [] ? find_next_bit+0xb/0x10 Aug 31 20:24:40 myhostname kernel: [1501142.211121] [] ? __next_timer_interrupt+0xb4/0xe0 Aug 31 20:24:40 myhostname kernel: [1501142.211123] [] run_timer_softirq+0xf5/0x2c0 Aug 31 20:24:40 myhostname kernel: [1501142.211126] [] ? xen_clocksource_read+0x15/0x20 Aug 31 20:24:40 myhostname kernel: [1501142.211129] [] ? sched_clock+0x9/0x10 Aug 31 20:24:40 myhostname kernel: [1501142.211132] [] ? sched_clock_cpu+0x87/0xb0 Aug 31 20:24:40 myhostname kernel: [1501142.211135] [] __do_softirq+0xce/0x2bf Aug 31 20:24:40 myhostname kernel: [1501142.211137] [] ? sched_clock+0x9/0x10 Aug 31 20:24:40 myhostname kernel: [1501142.211138] [] ? sched_clock_cpu+0x87/0xb0 Aug 31 20:24:40 myhostname kernel: [1501142.211141] [] irq_exit+0x105/0x110 -- -------------------------------------------------- Giuseppe Tanzilli Serverplan --------------6ECB32E4685C4557EDFC1B1F Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
hi,
we are experiencing occasinoally this crash, connectivity of vm goes down, but vm stays up,
any hints on this error ?

Tried differente kernel / drivers , running  4.9.39-29.el6.x86_64 on 4.4.4-24
I tried latest driver from DELL tg3 ver 137q but had same issue

any hints ?
anyone experiencing this issue ?


thanks
   Giuseppe


Aug 31 20:24:40 myhostname kernel: [1501142.211031] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:316 dev_watchdog+0x229/0x230
Aug 31 20:24:40 myhostname kernel: [1501142.211037] NETDEV WATCHDOG: em3 (tg3): transmit queue 0 timed out
Aug 31 20:24:40 myhostname kernel: [1501142.211038] Modules linked in: cls_fw sch_htb iptable_mangle xt_mark sch_tbf xt_physdev br_netfilter 8021q mrp garp nf_log_ipv4 nf_log_common xt_LOG nf_conntrack_ipv4 nf_defrag_ipv4 arptable_filter arp_tables ip6t_REJECT nf_reject_ipv6 ip6table_mangle bridge stp llc xen_pciback xen_gntalloc rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs fscache lockd sunrpc grace dm_round_robin bonding nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i iw_cxgb4 cxgb4 cxgb3i libcxgbi iw_cxgb3 cxgb3 libcxgb ib_iser rdma_cm ib_cm iw_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_multipath blktap xen_netback xen_blkback xen_gntdev xen_evtchn xenfs xen_privcmd ufs ipmi_devintf iTCO_wdt iTCO_vendor_support dcdbas pcspkr ipmi_si ipmi_msghandler
Aug 31 20:24:40 myhostname kernel: [1501142.211075]  fjes bnx2x libcrc32c mdio acpi_power_meter lpc_ich shpchp joydev mei_me mei tg3(O) ptp pps_core uas usb_storage megaraid_sas wmi mgag200 ttm
Aug 31 20:24:40 myhostname kernel: [1501142.211085] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G           O    4.9.39-29.el6.x86_64 #1
Aug 31 20:24:40 myhostname kernel: [1501142.211086] Hardware name: Dell Inc. PowerEdge R720xd/0C4Y3R, BIOS 2.5.4 01/22/2016
Aug 31 20:24:40 myhostname kernel: [1501142.211088] ffff880482003ca8 ffffffff8141db4f ffffffff817d50b9 ffff880482003d08
Aug 31 20:24:40 myhostname kernel: [1501142.211090] ffff880482003d08 0000000000000000 ffff880482003cf8 ffffffff810a4ded
Aug 31 20:24:40 myhostname kernel: [1501142.211092] ffff88042aa09350 0000013c82010180 ffff880482003cd8 ffff88043cdcc000
Aug 31 20:24:40 myhostname kernel: [1501142.211094] Call Trace:
Aug 31 20:24:40 myhostname kernel: [1501142.211095]  <IRQ>
Aug 31 20:24:40 myhostname kernel: [1501142.211100] [<ffffffff8141db4f>] dump_stack+0x67/0x98
Aug 31 20:24:40 myhostname kernel: [1501142.211102] [<ffffffff817d50b9>] ? dev_watchdog+0x229/0x230
Aug 31 20:24:40 myhostname kernel: [1501142.211105] [<ffffffff810a4ded>] __warn+0xfd/0x120
Aug 31 20:24:40 myhostname kernel: [1501142.211106] [<ffffffff810a4ec9>] warn_slowpath_fmt+0x49/0x50
Aug 31 20:24:40 myhostname kernel: [1501142.211108] [<ffffffff817d50b9>] dev_watchdog+0x229/0x230
Aug 31 20:24:40 myhostname kernel: [1501142.211111] [<ffffffff8112bc1f>] ? tick_program_event+0x4f/0x80
Aug 31 20:24:40 myhostname kernel: [1501142.211113] [<ffffffff817d4e90>] ? dev_trans_start+0x70/0x70
Aug 31 20:24:40 myhostname kernel: [1501142.211116] [<ffffffff81119782>] call_timer_fn+0x42/0x140
Aug 31 20:24:40 myhostname kernel: [1501142.211118] [<ffffffff8111a4bc>] expire_timers+0xcc/0x150
Aug 31 20:24:40 myhostname kernel: [1501142.211119] [<ffffffff8143477b>] ? find_next_bit+0xb/0x10
Aug 31 20:24:40 myhostname kernel: [1501142.211121] [<ffffffff81119714>] ? __next_timer_interrupt+0xb4/0xe0
Aug 31 20:24:40 myhostname kernel: [1501142.211123] [<ffffffff8111b0a5>] run_timer_softirq+0xf5/0x2c0
Aug 31 20:24:40 myhostname kernel: [1501142.211126] [<ffffffff81025215>] ? xen_clocksource_read+0x15/0x20
Aug 31 20:24:40 myhostname kernel: [1501142.211129] [<ffffffff810389a9>] ? sched_clock+0x9/0x10
Aug 31 20:24:40 myhostname kernel: [1501142.211132] [<ffffffff810d84e7>] ? sched_clock_cpu+0x87/0xb0
Aug 31 20:24:40 myhostname kernel: [1501142.211135] [<ffffffff818dba8e>] __do_softirq+0xce/0x2bf
Aug 31 20:24:40 myhostname kernel: [1501142.211137] [<ffffffff810389a9>] ? sched_clock+0x9/0x10
Aug 31 20:24:40 myhostname kernel: [1501142.211138] [<ffffffff810d84e7>] ? sched_clock_cpu+0x87/0xb0
Aug 31 20:24:40 myhostname kernel: [1501142.211141] [<ffffffff810ab1f5>] irq_exit+0x105/0x110




-- 
--------------------------------------------------
Giuseppe Tanzilli
Serverplan

--------------6ECB32E4685C4557EDFC1B1F-- --===============4455356439403891476== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLXVzZXJz --===============4455356439403891476==-- From xen-users-bounces@lists.xen.org Fri Sep 01 13:27:49 2017 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 01 Sep 2017 13:27:49 +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 1dnlyi-0002bB-09; Fri, 01 Sep 2017 13:27:20 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dndrr-0002WS-5s for xen-users@lists.xen.org; Fri, 01 Sep 2017 04:47:43 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id F6/AB-01916-D66E8A95; Fri, 01 Sep 2017 04:47:41 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHKsWRWlGSWpSXmKPExsWy89C7At2cZys iDfZvVbZYdfUAqwOjx9Hdv5kCGKNYM/OS8isSWDMmvZIseLafsWLutqVMDYyvVzN2MXJxCAnM ZZK4uLuRFcKZzyix/3kvG4SziVHiwcMXQGWcHGwCBhLnDj9iAbFFBMwl/p05wwpiMwuoSly81 MsOYgsL2EpMubWXGaLGSeLBnzYoW0/i1elXYDaLgIpE38FuMJsXqH7X1w9gNqOArMSGDeeZIW aKS2x69h1svoSAiMTDi6fZIGxRiZeP/0HFFSW+/97HDlFfJ7Gz7S8TxExBiZMzn7BMYBSahWT ULCRls5CUQcSTJZ79/8oMYetJ3Jg6hQ3C1pZYtvA1VFxXYsa/QyyY4joSv791QdUrSty+OhVo FxeQvZhR4svWHXBF37a1s8MUTel+yL6AkXcVo0ZxalFZapGuoaleUlFmekZJbmJmjq6hgbFeb mpxcWJ6ak5iUrFecn7uJkZgHDMAwQ7GNds9DzFKcjApifJW+6+IFOJLyk+pzEgszogvKs1JLT 7EKMPBoSTBW/UUKCdYlJqeWpGWmQNMKDBpCQ4eJRHeGpA0b3FBYm5xZjpE6hSjK8edvg1fmDg O/T7xnYnjGJj89mb7byaOD0+n/WESYsnLz0uVEuftA2kWAGnOKM2DGw1LhpcYZaWEeRmBjhXi KUgtys0sQZV/xSjOwagkzDsJZApPZl4J3AWvgI5jAjou1mspyHEliQgpqQbGXbtme2/4P0nqh 1/FqY+t7aWFL4SEWj+m3W9zO7xgiWSXutHVd2El8heFtx5cerBx6pqPT7h987Wnzrv+0/redT WNy29MQk/JcrMX/Xrmp9JhaBO95ZlgXKfyjimy78/mCLlf9HZfx3Fv78LdXncyKgQzDjx6/Vz v8s6rKwRyI27256XVbb5XqsRSnJFoqMVcVJwIAOlrO/eBAwAA X-Env-Sender: schinzel@ip-projects.de X-Msg-Ref: server-5.tower-31.messagelabs.com!1504241260!109371674!1 X-Originating-IP: [185.194.238.112] X-SpamReason: No, hits=2.3 required=7.0 tests=EXTRA_MPART_TYPE,HOT_NASTY, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7786 invoked from network); 1 Sep 2017 04:47:40 -0000 Received: from mail-gateway.ip-projects.de (HELO mail-gateway.ip-projects.de) (185.194.238.112) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 1 Sep 2017 04:47:40 -0000 Received: from [10.5.0.52] (port=7570 helo=exch1.ipp-hex.lan) by mail-gateway.ip-projects.de with esmtps (TLSv1.2:AES256-SHA256:256) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1dndre-0005QU-13 for xen-users@lists.xen.org; Fri, 01 Sep 2017 06:47:30 +0200 Received: from exch1.ipp-hex.lan (10.5.0.52) by exch1.ipp-hex.lan (10.5.0.52) with Microsoft SMTP Server (TLS) id 15.1.225.42; Fri, 1 Sep 2017 06:47:28 +0200 Received: from exch1.ipp-hex.lan ([fe80::b4fb:ef86:e325:94c5]) by exch1.ipp-hex.lan ([fe80::b4fb:ef86:e325:94c5%15]) with mapi id 15.01.0225.041; Fri, 1 Sep 2017 06:47:28 +0200 From: Michael Schinzel To: "xen-users@lists.xen.org" Thread-Topic: Memory Issue HVM guest after Upgrade from 4.4 to 4.8 Thread-Index: AdMi3DyOJrE/CzCbR2OlQe846hqAgA== Date: Fri, 1 Sep 2017 04:47:28 +0000 Message-ID: <5257be6935094bcaaaa11926c0eaf1c7@ip-projects.de> Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [87.184.48.168] MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 01 Sep 2017 13:27:18 +0000 Cc: Thomas Toka Subject: [Xen-users] Memory Issue HVM guest after Upgrade from 4.4 to 4.8 X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5290641218160078049==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============5290641218160078049== Content-Language: de-DE Content-Type: multipart/related; boundary="_004_5257be6935094bcaaaa11926c0eaf1c7ipprojectsde_"; type="multipart/alternative" --_004_5257be6935094bcaaaa11926c0eaf1c7ipprojectsde_ Content-Type: multipart/alternative; boundary="_000_5257be6935094bcaaaa11926c0eaf1c7ipprojectsde_" --_000_5257be6935094bcaaaa11926c0eaf1c7ipprojectsde_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Good Morning, Paul Durrant tould us to send our problem to xen users instead of devs, so = i open now a problem case to this mailinglist. Cause of the not longer support of xen 4.4 hypervisor, we actually upgrade = all of our xen hosts from 4.4 - debian 8 to 4.8 - debian 9. Till this update, we run a host for example with 16 GB memory for dom0 with= about 93 VMs. Till the upgrade, all memory usage was fine. The Host use ab= out 1.4 - 3 GB memory of the allocated 16 GB. At each host, we mix HVM and Para VMs. After the Upgrade, the HVM VMs const= antly use more and more memory. About 100 MB more each 2-3 Minutes until th= e Host swaps. The Problem is only with HVM VMs, Para is all fine. top - 09:40:43 up 1 day, 2:28, 1 user, load average: 0,94, 1,03, 1,27 Tasks: 1313 total, 5 running, 1308 sleeping, 0 stopped, 0 zombie %Cpu(s): 0,2 us, 0,8 sy, 0,0 ni, 98,3 id, 0,0 wa, 0,0 hi, 0,3 si, 0,= 5 st KiB Mem : 30315388 total, 10791316 free, 18483368 used, 1040704 buff/= cache KiB Swap: 15998972 total, 15919092 free, 79880 used. 11492116 avai= l Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 17962 root 20 0 1202580 680040 17356 R 5,2 2,2 1:20.06 qemu-sy= stem-i38 21679 root 20 0 1454316 922580 17760 R 5,2 3,0 1:26.99 qemu-sy= stem-i38 27772 root 20 0 1635108 1,082g 17524 S 5,2 3,7 1:27.50 qemu-sy= stem-i38 29731 root 20 0 1374844 896052 17016 S 5,2 3,0 1:17.82 qemu-sy= stem-i38 14209 root 20 0 1130476 597120 17724 S 4,9 2,0 1:17.24 qemu-sy= stem-i38 19846 root 20 0 1417076 921928 16952 S 4,6 3,0 1:31.96 qemu-sy= stem-i38 4830 root 20 0 2092624 1,496g 17640 S 3,9 5,2 1:53.88 qemu-sys= tem-i38 18897 root 20 0 2013120 1,353g 17932 S 3,9 4,7 1:30.63 qemu-sy= stem-i38 7832 root 20 0 46296 5160 3176 R 2,3 0,0 0:00.38 top 31832 root 20 0 1373044 835140 17688 S 2,3 2,8 0:48.82 qemu-sy= stem-i38 28744 root 20 0 1053868 530680 17944 S 2,0 1,8 0:34.11 qemu-sy= stem-i38 13307 root 20 0 913684 424984 17168 S 1,6 1,4 0:27.57 qemu-sy= stem-i38 15248 root 20 0 1411316 887892 17608 S 1,6 2,9 0:43.97 qemu-sy= stem-i38 16135 root 20 0 1204240 640644 17776 S 1,6 2,1 0:37.28 qemu-sy= stem-i38 20763 root 20 0 1036288 513848 17484 S 1,6 1,7 0:35.76 qemu-sy= stem-i38 22663 root 20 0 851712 301236 17588 S 1,6 1,0 0:28.24 qemu-sy= stem-i38 24849 root 20 0 1164908 644736 17824 S 1,6 2,1 0:39.93 qemu-sy= stem-i38 25871 root 20 0 1113684 571548 17616 S 1,6 1,9 0:37.14 qemu-sy= stem-i38 26840 root 20 0 1045604 515216 17888 S 1,6 1,7 0:35.42 qemu-sy= stem-i38 30693 root 20 0 2329944 1,734g 17644 S 1,6 6,0 1:32.11 qemu-sy= stem-i38 23743 root 20 0 1470544 929708 17500 S 1,3 3,1 0:47.23 qemu-sy= stem-i38 The config file of one HVM guest: #kernel =3D "hvmloader" builder=3D'hvm' memory =3D 512 maxmem =3D 512 shadow_memory =3D 8 name =3D "vmanager1157" vif =3D [ 'vifname=3Dvmanager1157, rate=3D100Mb/s, bridge=3Dxenbr0.240, mac= =3Dxxxx, ip=3Dxxxx xxxx' ] vif_other_config =3D [ 'xxxx', 'tbf', 'rate=3D1= 00Mb/s', 'bps_read=3D150Mb/s', 'bps_write=3D150Mb/s', 'iops_read=3D150000IO= PS', 'iops_write=3D150000IOPS' ] disk =3D [ 'phy:/dev/vm/vmanager1157-root,= xvda,w', 'file:/root/vmanager/iso/CentOS-7.0-1406-x86_64-NetInstall.iso,xvd= c:cdrom,r' ] boot=3D"cd" vcpus =3D 1 sdl=3D0 vnc=3D1 vnclisten=3D"0.0.0.0" vncdisplay=3D69 vncpasswd=3Dxxxx vncunused=3D0 stdvga=3D0 serial=3D'pty' usbdevice=3D'tablet' on_poweroff =3D 'destroy' on_reboot =3D 'restart' on_crash =3D 'destroy' Actually we use Kernel Version 4.12.10. So the newest Kernel with Xen Suppo= rt. Paul Durrant tould us that the main change from 4.4 to 4.8 is the QEMU chan= ge from traditional to upstream. The problem is, we do not build Xen oursel= f with the xen package, we use the Debian package from Debian 9 and there i= s no traditional QEMU option inside. root@v34:/etc/xen# xl create vmanager1866.cfg Parsing config from vmanager1= 866.cfg libxl: error: libxl_dm.c:2024:libxl__spawn_local_dm: device model /usr/lib/= xen-4.8/bin/qemu-dm is not executable: No such file or directory libxl: error: libxl_dm.c:2189:device_model_spawn_outcome: (null): spawn fai= led (rc=3D-3) libxl: error: libxl_create.c:1504:domcreate_devmodel_started: device model = did not start: -3 libxl: error: libxl.c:1575:libxl__destroy_domid: non-existant domain 67 libxl: error: libxl.c:1534:domain_destroy_callback: unable to destroy guest= with domid 67 libxl: error: libxl.c:1463:domain_destroy_cb: destruction of domain 67 fail= ed The Problem with the new QEMU is not only the Memory usage of HVM Guests, i= t is also that the HVM guests are very very instabil, crashing often with d= ifferent OS Versions... It is crazy to sell this solution as stable and usa= ble virtualisation. Mit freundlichen Gr=FC=DFen Michael Schinzel - Gesch=E4ftsf=FChrer - [https://www.ip-projects.de/logo_mail.png] IP-Projects GmbH & Co. KG Am Vogelherd 14 D - 97295 Waldbrunn Telefon: 09306 - 76499-0 FAX: 09306 - 76499-15 E-Mail: info@ip-projects.de Gesch=E4ftsf=FChrer: Michael Schinzel Registergericht W=FCrzburg: HRA 6798 Komplement=E4r: IP-Projects Verwaltungs GmbH --_000_5257be6935094bcaaaa11926c0eaf1c7ipprojectsde_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Good Morning,

 

Paul Durrant tould us to send our problem to xen use= rs instead of devs, so i open now a problem case to this mailinglist.<= /o:p>

 

Cause of the not longer support of xen 4.4 hyperv= isor, we actually upgrade all of our xen hosts from 4.4 - debian 8 to 4.8 -= debian 9.

 

Till this update, we run a host for example with = 16 GB memory for dom0 with about 93 VMs. Till the upgrade, all memory usage= was fine. The Host use about 1.4 - 3 GB memory of the allocated 16 GB.

 

At each host, we mix HVM and Para VMs. After the = Upgrade, the HVM VMs constantly use more and more memory. About 100 MB more= each 2-3 Minutes until the Host swaps. The Problem is only with HVM VMs, P= ara is all fine.

 

 

 

top - 09:40:43 up 1 day,  2:28,  1 user= ,  load average: 0,94, 1,03, 1,27

Tasks: 1313 total,   5 running, 1308 sl= eeping,   0 stopped,   0 zombie

%Cpu(s):  0,2 us,  0,8 sy,  0,0 ni= , 98,3 id,  0,0 wa,  0,0 hi,  0,3 si,  0,5 st KiB Mem := 30315388 total, 10791316 free, 18483368 used,  1040704 buff/cache KiB= Swap: 15998972 total, 15919092 free,    79880 used. 1149211= 6 avail Mem

 

  PID USER      PR&= nbsp; NI    VIRT    RES    SHR= S  %CPU %MEM     TIME+ COMMAND

17962 root      20 =   0 1202580 680040  17356 R   5,2  2,2  = 1:20.06 qemu-system-i38

21679 root      20 =   0 1454316 922580  17760 R   5,2  3,0  = 1:26.99 qemu-system-i38

27772 root      20 =   0 1635108 1,082g  17524 S   5,2  3,7  = 1:27.50 qemu-system-i38

29731 root      20 =   0 1374844 896052  17016 S   5,2  3,0  = 1:17.82 qemu-system-i38

14209 root      20 =   0 1130476 597120  17724 S   4,9  2,0  = 1:17.24 qemu-system-i38

19846 root      20 =   0 1417076 921928  16952 S   4,6  3,0  = 1:31.96 qemu-system-i38

4830 root      20 &= nbsp; 0 2092624 1,496g  17640 S   3,9  5,2   = 1:53.88 qemu-system-i38

18897 root      20 =   0 2013120 1,353g  17932 S   3,9  4,7  = 1:30.63 qemu-system-i38

7832 root      20 &= nbsp; 0   46296   5160   3176 R   2= ,3  0,0   0:00.38 top

31832 root      20 =   0 1373044 835140  17688 S   2,3  2,8  = 0:48.82 qemu-system-i38

28744 root      20 =   0 1053868 530680  17944 S   2,0  1,8  = 0:34.11 qemu-system-i38

13307 root      20 =   0  913684 424984  17168 S   1,6  1,4 &= nbsp; 0:27.57 qemu-system-i38

15248 root      20 =   0 1411316 887892  17608 S   1,6  2,9  = 0:43.97 qemu-system-i38

16135 root      20 =   0 1204240 640644  17776 S   1,6  2,1  = 0:37.28 qemu-system-i38

20763 root      20 =   0 1036288 513848  17484 S   1,6  1,7  = 0:35.76 qemu-system-i38

22663 root      20 =   0  851712 301236  17588 S   1,6  1,0 &= nbsp; 0:28.24 qemu-system-i38

24849 root      20 =   0 1164908 644736  17824 S   1,6  2,1  = 0:39.93 qemu-system-i38

25871 root      20 =   0 1113684 571548  17616 S   1,6  1,9  = 0:37.14 qemu-system-i38

26840 root      20 =   0 1045604 515216  17888 S   1,6  1,7  = 0:35.42 qemu-system-i38

30693 root      20 =   0 2329944 1,734g  17644 S   1,6  6,0  = 1:32.11 qemu-system-i38

23743 root      20 =   0 1470544 929708  17500 S   1,3  3,1  = 0:47.23 qemu-system-i38

 

 

The config file of one HVM guest:

 

#kernel =3D "hvmloader"

builder=3D'hvm'

memory =3D 512

maxmem =3D 512

shadow_memory =3D 8

name =3D "vmanager1157"

vif =3D [ 'vifname=3Dvmanager1157, rate=3D100Mb/s= , bridge=3Dxenbr0.240, mac=3Dxxxx, ip=3Dxxxx  xxxx' ] vif_other_config= =3D [ ‚xxxx‘, 'tbf', 'rate=3D100Mb/s', 'bps_read=3D150Mb/s', '= bps_write=3D150Mb/s', 'iops_read=3D150000IOPS', 'iops_write=3D150000IOPS' ] disk =3D [ 'phy:/dev/vm/vmanager1157-root,xvda,w', 'file:/root/vmanager/is= o/CentOS-7.0-1406-x86_64-NetInstall.iso,xvdc:cdrom,r' ] boot=3D"cd&quo= t;

vcpus =3D 1

sdl=3D0

vnc=3D1

vnclisten=3D"0.0.0.0"

vncdisplay=3D69

vncpasswd=3Dxxxx

vncunused=3D0

stdvga=3D0

serial=3D'pty'

usbdevice=3D'tablet'

on_poweroff =3D 'destroy'

on_reboot   =3D 'restart'

on_crash    =3D 'destroy'

 

 

Actually we use Kernel Version 4.12.10. So the ne= west Kernel with Xen Support.

 

Paul Durrant tould us that the main change from 4= .4 to 4.8 is the QEMU change from traditional to upstream. The problem is, = we do not build Xen ourself with the xen package, we use the Debian package= from Debian 9 and there is no traditional QEMU option inside.

 

 

root@v34:/etc/xen# xl create vmanager1866.cfg Par= sing config from vmanager1866.cfg

libxl: error: libxl_dm.c:2024:libxl__spawn_local_= dm: device model /usr/lib/xen-4.8/bin/qemu-dm is not executable: No such fi= le or directory

libxl: error: libxl_dm.c:2189:device_model_spawn_= outcome: (null): spawn failed (rc=3D-3)

libxl: error: libxl_create.c:1504:domcreate_devmo= del_started: device model did not start: -3

libxl: error: libxl.c:1575:libxl__destroy_domid: = non-existant domain 67

libxl: error: libxl.c:1534:domain_destroy_callbac= k: unable to destroy guest with domid 67

libxl: error: libxl.c:1463:domain_destroy_cb: des= truction of domain 67 failed

 

 

The Problem with the new QEMU is not only the Mem= ory usage of HVM Guests, it is also that the HVM guests are very very insta= bil, crashing often with different OS Versions… It is crazy to sell t= his solution as stable and usable virtualisation.

 

 

 <= /o:p>

Mit freundli= chen Gr=FC=DFen

 <= /o:p>

Michael Schi= nzel

- Gesch=E4ft= sf=FChrer -

 <= /o:p>

3D"https://www.ip-projects.de/logo_mail.png"<= /span>

IP-Projects GmbH & Co. KG
Am Vogelherd 14
D - 97295 Waldbrunn

Telefon: 09306 - 76499-0
FAX: 09306 - 76499-15
E-Mail: = info@ip-projects.de

Gesch=E4ftsf=FChrer: Michael Schinzel
Registergericht W=FCrzburg: HRA 6798
Komplement=E4r: IP-Projects Verwaltungs GmbH

 <= /o:p>

 

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banners=-,-,- X-VirusChecked: Checked Received: (qmail 11570 invoked from network); 4 Sep 2017 01:53:51 -0000 Received: from p3plsmtpa07-01.prod.phx3.secureserver.net (HELO p3plsmtpa07-01.prod.phx3.secureserver.net) (173.201.192.230) by server-4.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 4 Sep 2017 01:53:51 -0000 Received: from SN1PR18MB0685.namprd18.prod.outlook.com ([40.96.0.149]) by :SMTPAUTH: with SMTP id ogZhdYEaBg40UogZhdkLEE; Sun, 03 Sep 2017 18:53:17 -0700 From: Ray Joseph To: "xen-users@lists.xen.org" Thread-Topic: Chef Architecture for a Laptop Running Xen Thread-Index: AQHTJSA4LujDMgOwuUGcgPsxfEKF4w== X-MS-Exchange-MessageSentRepresentingType: 2 Date: Mon, 4 Sep 2017 01:50:14 +0000 Message-ID: References: In-Reply-To: Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: X-MS-Exchange-Organization-RecordReviewCfmType: 0 MIME-Version: 1.0 X-CMAE-Envelope: MS4wfDz9OhQ/JZaYmkcyqjas/K2l9iHVomukL0ZF0EM14zqaIqGYGO1aHs2URsUWK/OhhRbrwIQ5Pnz/kUpJlXh/pKMMi+pOmrZEnjsm7DD36rhBMCv1RECg TyxV/PmvU87wL8Xcsw7WjKQHyWskB3JgGZ9Sw8TSofqs5ISwfl2O1gW0AF+QSzhx6iy5obHUsnGmmcmljUHLcrcIDm4PdiVVN5c= Subject: [Xen-users] Chef Architecture for a Laptop Running Xen X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1483543132395580714==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============1483543132395580714== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_SN1PR18MB068576410964168C2484D69EEF910SN1PR18MB0685namp_" --_000_SN1PR18MB068576410964168C2484D69EEF910SN1PR18MB0685namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I would like to better manage my experimental building of Debian 9.1 as dom= 0 for Xen Project hypervisor on a laptop with 500GB SSD and 16GB RAM. This machine will be a workstation running multiple VMs for engineering, co= ding, and general purpose. I have Xen up and running but have not had a successful VM created. My biggest challenges are around networking. There is a built in wifi and = a docking station Ethernet. While I often break Internet connectivity, late= ly I've been able to recover connectivity. Experimenting, I have broken th= is system unrecoverably to my capabilities. So I have rebuilt it over 30 t= imes. I have just learned about Chet, Puppet... So I am wondering how I m= ight better manage the machine's configuration. I am wondering what are the architectural considerations on how to setup Ch= ef. I have another laptop with Windows 10 that can be used (temporarily). = My concerns are how functional Chef will be in keeping track of the host, = keeping track of the VMs, being able to use config data to rebuild this sam= e machine if necessary, the size of this foot print in dom0 for this laptop= , and is it the right tools for configuration management of VMs. I found there is a Chef-solo but it seems to have a large foot print (that'= s only a guess). Thank you in advance, Ray --_000_SN1PR18MB068576410964168C2484D69EEF910SN1PR18MB0685namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I would like to better manage my experimental building of Debian = 9.1 as dom0 for Xen Project hypervisor on a laptop with 500GB SSD and 16GB = RAM.

This machine will be a workstation running multiple VMs for engineerin= g, coding, and general purpose.  

I have Xen up and running but have not had a successful VM created.

My biggest challenges are around networking.  There is a built in= wifi and a docking station Ethernet. While I often break Internet connecti= vity, lately I've been able to recover connectivity.  Experimenting, I= have broken this system unrecoverably to my capabilities.  So I have rebuilt it over 30 times.  I have ju= st learned about Chet, Puppet...  So I am wondering how I might better= manage the machine's configuration.  

I am wondering what are the architectural considerations on how to set= up Chef.  I have another laptop with Windows 10 that can be used (temp= orarily).  My concerns are how functional Chef will be in keeping trac= k of the host, keeping track of the VMs, being able to use config data to rebuild this same machine if necessary, the siz= e of this foot print in dom0 for this laptop, and is it the right tools for= configuration management of VMs.

I found there is a Chef-solo but it seems to have a large foot print (= that's only a guess).  

Thank you in advance,

Ray


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Mon, 4 Sep 2017 02:49:12 +0000 Date: Mon, 4 Sep 2017 02:49:09 +0000 (UTC) From: Mark Pryor To: Ray Joseph , "xen-users@lists.xen.org" Message-ID: <1316329033.2233637.1504493349587@mail.yahoo.com> In-Reply-To: References: MIME-Version: 1.0 X-Mailer: WebService/1.1.10495 YahooMailNeo Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 Content-Length: 7494 Subject: Re: [Xen-users] Chef Architecture for a Laptop Running Xen X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: Mark Pryor Content-Type: multipart/mixed; boundary="===============7216539094741857502==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============7216539094741857502== Content-Type: multipart/alternative; boundary="----=_Part_2233636_474140204.1504493349584" Content-Length: 6962 ------=_Part_2233636_474140204.1504493349584 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable "experimental building of Debian 9.1 as dom0 " If you actually start with a source build from upstream Xen, be sure to use= the packaging utils in tools/misc/mkdeb, or use the deball rule, `make deb= all`. You can isolate your build in a pbuilder chroot, or build in a VM. It= s very sound to install from packages, rather than `make install` as root. I can only guess what you are doing, but if you broke it 30 times you might= not be using distro packages. BTW, those Stretch Xen distro packages are n= ot working as they should for HVM installs. The Xen packages are lagging, l= ast built in May 2017, while the qemu-system-x86 package is current for 9.1= . PryMar56##xen-packageing on Freenode =20 On Sunday, September 3, 2017 6:56 PM, Ray Joseph wrote: =20 I would like to be= tter manage my experimental=C2=A0building of Debian 9.1 as dom0 for Xen Pro= ject hypervisor on a laptop with 500GB SSD and 16GB RAM. This machine will be a workstation running multiple VMs for engineering, co= ding, and general purpose. =C2=A0 I have Xen up and running but have not had a successful VM created. My biggest challenges are around networking. =C2=A0There is a built in wifi= and a docking station Ethernet. While I often break Internet connectivity,= lately I've been able to recover connectivity. =C2=A0Experimenting, I have= broken this system unrecoverably to my capabilities. =C2=A0So I have rebui= lt it over 30 times. =C2=A0I have just learned about Chet, Puppet... =C2=A0= So I am wondering how I might better manage the machine's configuration. = =C2=A0 I am wondering what are the architectural considerations on how to setup Ch= ef. =C2=A0I have another laptop with Windows 10 that can be used (temporari= ly). =C2=A0My concerns are how functional Chef will be in keeping track of = the host, keeping track of the VMs, being able to use config data to rebuil= d this same machine if necessary, the size of this foot print in dom0 for t= his laptop, and is it the right tools for configuration management of VMs. I found there is a Chef-solo but it seems to have a large foot print (that'= s only a guess). =C2=A0 Thank you in advance, Ray _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org https://lists.xen.org/xen-users =20 ------=_Part_2233636_474140204.1504493349584 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
"experimental build= ing of Debian 9.1 as dom0 "

If you = actually start with a source build from upstream Xen, be sure to use the pa= ckaging utils in tools/misc/mkdeb, or use the deball rule, `make deball`. Y= ou can isolate your build in a pbuilder chroot, or build in a VM. Its very = sound to install from packages, rather than `make install` as root.

I can only guess what you are doing, but if you br= oke it 30 times you might not be using distro packages. BTW, those Stretch = Xen distro packages are not working as they should for HVM installs. The Xe= n packages are lagging, last built in May 2017, while the qemu-system-x86 p= ackage is current for 9.1.

PryMar56
##xen-packageing on Freenode


On Sunda= y, September 3, 2017 6:56 PM, Ray Joseph <ray@aarden.us> wrote:


=20
I would like to better manage my experimental building of Debian = 9.1 as dom0 for Xen Project hypervisor on a laptop with 500GB SSD and 16GB = RAM.

This machine will be a workstation running multiple VMs for engineerin= g, coding, and general purpose.  

I have Xen up and running but have not had a successful VM created.

My biggest challenges are around networking.  There is a built in= wifi and a docking station Ethernet. While I often break Internet connecti= vity, lately I've been able to recover connectivity.  Experimenting, I= have broken this system unrecoverably to my capabilities.  So I have rebuilt it over 30 times.  I have ju= st learned about Chet, Puppet...  So I am wondering how I might better= manage the machine's configuration.  

I am wondering what are the architectural considerations on how to set= up Chef.  I have another laptop with Windows 10 that can be used (temp= orarily).  My concerns are how functional Chef will be in keeping trac= k of the host, keeping track of the VMs, being able to use config data to rebuild this same machine if necessary, the siz= e of this foot print in dom0 for this laptop, and is it the right tools for= configuration management of VMs.

I found there is a Chef-solo but it seems to have a large foot print (= that's only a guess).  

Thank you in advance,

Ray


_______________________________________________
Xen-users mailing = list
Xen-users@lists.xen.org
https://lists.xen.org/xen-users

------=_Part_2233636_474140204.1504493349584-- --===============7216539094741857502== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLXVzZXJz --===============7216539094741857502==-- From xen-users-bounces@lists.xen.org Mon Sep 04 15:41:54 2017 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Mon, 04 Sep 2017 15:41:54 +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 1dotUO-00059R-IA; Mon, 04 Sep 2017 15:40:40 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dotUN-00059D-5O for xen-users@lists.xen.org; Mon, 04 Sep 2017 15:40:39 +0000 Received: from [85.158.143.35] by server-10.bemta-6.messagelabs.com id 8E/4F-03642-6F37DA95; Mon, 04 Sep 2017 15:40:38 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOKsWRWlGSWpSXmKPExsWy9uTBXN2vxWs jDa5dFbVYdfUAqwOjx9Hdv5kCGKNYM/OS8isSWDP+treyFqzSrNiy5BRTA+MlpS5GLg4hgdmM Ei/mPmXsYuTkYBNQkFi59RyYLSJgLvHvzBnWLkYODmEgu22HD0TYQqLvyy1mCFtPYvekNWDlE gI6Ev9vPWcEKWcRUJE4Oc8fJMwrECtx+MchFhBbSMBeYtmBJnYQm1PAQeLuoZtsIDazgLjErS fzmSDGCEgs2XOeGcIWlXj5+B8rhG0o8frVC2aI+jyJ7dN2M0HMF5Q4OfMJC8grEgLvGSWW/vz EPoFRaBaSubOQ9MxC0gMR15O4MXUKG4StLbFs4WtmCFtXYsa/QyzI4gsY2VcxahSnFpWlFuka G+glFWWmZ5TkJmbm6BoamOnlphYXJ6an5iQmFesl5+duYgRGCwMQ7GD8uzbwEKMkB5OSKO/Rk LWRQnxJ+SmVGYnFGfFFpTmpxYcYZTg4lCR4lxUB5QSLUtNTK9Iyc4BxC5OW4OBREuFlBEnzFh ck5hZnpkOkTjF6c9zp2/CFiePe7K1A8tDvE9+ZOI6ByW9vtv9m4vjwdNofJiGWvPy8VClx3iS QEQIgIzJK8+AWwNLPJUZZKWFeRqCThXgKUotyM0tQ5V8xinMwKgnz5oFM4cnMK4G74xXQiUxA J1a9XANyYkkiQkqqgVF89uWYy2JfKh98OrhHUlx7f7jxJhux3dtaO73UZdlOnQ+uOBkbfMi+8 v+T6/aZ/39Ifee7xVRQxRj3aO8x09Sgmi31sYoBe+83scfm3PCJua7AGPlAwT9+Q1lhsHXpL5 Zinv/S/Pomb1eJMk5Qmq0i8VCj2CXpXMmUd8/6C0MbWPfxzOu+p8RSnJFoqMVcVJwIAFdnTnA 6AwAA X-Env-Sender: ray@aarden.us X-Msg-Ref: server-12.tower-21.messagelabs.com!1504539635!81081644!1 X-Originating-IP: [173.201.193.109] X-SpamReason: No, hits=0.1 required=7.0 tests=sa_preprocessor: QmFkIElQOiAxNzMuMjAxLjE5My4xMDkgPT4gMTAwNDMx\n,sa_preprocessor: QmFkIElQOiAxNzMuMjAxLjE5My4xMDkgPT4gMTAwNDMx\n,HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21888 invoked from network); 4 Sep 2017 15:40:37 -0000 Received: from p3plsmtpa08-08.prod.phx3.secureserver.net (HELO p3plsmtpa08-08.prod.phx3.secureserver.net) (173.201.193.109) by server-12.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 4 Sep 2017 15:40:37 -0000 Received: from SN1PR18MB0685.namprd18.prod.outlook.com ([40.96.0.149]) by :SMTPAUTH: with SMTP id otTod3Wmj7MC4otTodWwIi; Mon, 04 Sep 2017 08:40:04 -0700 From: Ray Joseph To: "xen-users@lists.xen.org" Thread-Topic: Chef Architecture for a Laptop Running Xen Thread-Index: AQHTJZPcPrjsMwaYWk6pSuwaUO6yUA== X-MS-Exchange-MessageSentRepresentingType: 2 Date: Mon, 4 Sep 2017 15:10:16 +0000 Message-ID: References: In-Reply-To: Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: X-MS-Exchange-Organization-RecordReviewCfmType: 0 MIME-Version: 1.0 X-CMAE-Envelope: MS4wfOzi67KpdUFHmExR/U5gAy/iFQpofFIDh144KVofpOV3V7CkiuytsHVxt1T2U8l9KD0zm3DWfhXsfHezW3y0oEyYSNnnL03B7j8cOwkENVf8ySid4ybR pAInPFWcHQW6GYxTmJfNg/NiBzww52abmVe29zfmTIMgJHhvkNqyhlyuEZq9mIMq+b1aHxYActCB365lqBe0FdJFSs43MHRK6pI= Subject: Re: [Xen-users] Chef Architecture for a Laptop Running Xen X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7881380472012969139==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============7881380472012969139== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_SN1PR18MB0685FD4A498E5A07A84B4F87EF910SN1PR18MB0685namp_" --_000_SN1PR18MB0685FD4A498E5A07A84B4F87EF910SN1PR18MB0685namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Mark, I installed from the Debian website via net install. All packages are inst= alled via apt-get from the website. The only thing not from the website i= s the wifi driver that comes from the Intel website and loaded from USB dur= ing installation. My goal has been to minimize all packages to keep the do= m0 foot print minimal. I use apt-get update before each package - now. Th= is is a very light-weight experiment, but I am a light-weight user. I have broken the system many times. I have choose to rebuild as each time= because I could not find a cause or solution to whatever I broke. Part of= the problem is that I have not kept track of the configuration changes. T= his is the purpose of pursuing Chef. Thus my question: How might I setup Chef for this? Should I run Chef directly on the laptop?= My only other machine is Windows 10. It looks like I could use a free Am= azon or other free or cheap service. I have two major drivers for Chef 1) Keep track of config during experimentation to know where I am, to plan = the next steps and track what I have done 2) Readily recover the system the next time I severely break it. How might I setup Chef? Thanks, Ray "experimental building of Debian 9.1 as dom0 " If you actually start with a source build from upstream Xen, be sure to use= the packaging utils in tools/misc/mkdeb, or use the deball rule, `make deb= all`. You can isolate your build in a pbuilder chroot, or build in a VM. It= s very sound to install from packages, rather than `make install` as root. I can only guess what you are doing, but if you broke it 30 times you might= not be using distro packages. BTW, those Stretch Xen distro packages are n= ot working as they should for HVM installs. The Xen packages are lagging, l= ast built in May 2017, while the qemu-system-x86 package is current for 9.1= . PryMar56##xen-packageing on Freenode --_000_SN1PR18MB0685FD4A498E5A07A84B4F87EF910SN1PR18MB0685namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Mark,


I installed from the Debian website via net install.  All packages = are installed via apt-get from the website.  The only  thing not = from the website is the wifi driver that comes from the Intel website and l= oaded from USB during installation.  My goal has been to minimize all packages to keep the dom0 foot print minimal.  I= use apt-get update before each package - now.  This is a very light-w= eight experiment, but I am a light-weight user.


I have broken the system many times.  I have choose to rebuild as e= ach time because I could not find a cause or solution to whatever I broke. =  Part of the problem is that I have not kept track of the configuratio= n changes.  This is the purpose of pursuing Chef.  Thus my question:

How might I setup Chef for this?  Should I run Chef directly on the= laptop?  My only other machine is Windows 10.  It looks like I c= ould use a free Amazon or other free or cheap service.  


I have two major drivers for Chef

1) Keep track of config during experimentation to know where I am, to pl= an the next steps and track what I have done

2) Readily recover the system the next time I severely break it.


How might I setup Chef?


Thanks,

Ray


"experimental building of Debian 9.1 as dom0 = "
If you actually start with a source build from upstream Xen, be sure to use= the packaging utils in tools/misc/mkdeb, or use the deball rule, `make deb= all`. You can isolate your build in a pbuilder chroot, or build in a VM. It= s very sound to install from packages, rather than `make install` as root.

I can only guess what you are doing, but if you broke it 30 times you might= not be using distro packages. BTW, those Stretch Xen distro packages are n= ot working as they should for HVM installs. The Xen packages are lagging, l= ast built in May 2017, while the qemu-system-x86 package is current for 9.1.
PryMar56##xen-packageing on Freenode

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Mon, 04 Sep 2017 05:40:18 -0700 Date: Mon, 4 Sep 2017 14:40:14 +0200 From: Daniel Kiper To: Tamas K Lengyel Message-ID: <20170904124014.GW4452@olila.local.net-space.pl> References: <20170515131252.GZ30364@olila.local.net-space.pl> <3e4a14aa5a70417487412e4a5049f89d@XCH-RTP-007.cisco.com> <20170516110450.GA30364@olila.local.net-space.pl> <20170829200115.GF4452@olila.local.net-space.pl> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Mailman-Approved-At: Mon, 04 Sep 2017 17:44:21 +0000 Cc: "xen-users@lists.xen.org" , "george.dunlap@citrix.com" , "Bill Jacobs \(billjac\)" , "xen-devel@lists.xen.org" Subject: Re: [Xen-users] [Xen-devel] UEFI Secure Boot Xen 4.9 X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 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.xen.org Sender: "Xen-users" T24gV2VkLCBBdWcgMzAsIDIwMTcgYXQgMTA6MTY6MjNBTSAtMDYwMCwgVGFtYXMgSyBMZW5neWVs IHdyb3RlOgo+IE9uIFR1ZSwgQXVnIDI5LCAyMDE3IGF0IDI6MDEgUE0sIERhbmllbCBLaXBlciA8 ZGFuaWVsLmtpcGVyQG9yYWNsZS5jb20+IHdyb3RlOgo+ID4gSGV5IFRhbWFzLAo+ID4KPiA+IFNv cnJ5IGZvciBsYXRlIHJlcGx5LiBJIHdhcyBvbiB2YWNhdGlvbi4KPiA+Cj4gPiBPbiBUdWUsIEF1 ZyAyMiwgMjAxNyBhdCAwOTowMTowNlBNIC0wNjAwLCBUYW1hcyBLIExlbmd5ZWwgd3JvdGU6Cj4g Pj4gT24gVHVlLCBNYXkgMTYsIDIwMTcgYXQgNTowNCBBTSwgRGFuaWVsIEtpcGVyIDxkYW5pZWwu a2lwZXJAb3JhY2xlLmNvbT4gd3JvdGU6Cj4gPgo+ID4gWy4uLl0KPiA+Cj4gPj4gPiBVRUZJIHdp bGwgdmVyaWZ5IHNoaW0gc2VjdXJlIGJvb3Qgc2lnbmF0dXJlIHRoZW4gc2hpbSB3aWxsIHZlcmlm eSBHUlVCMgo+ID4+ID4gc2lnbmF0dXJlIHRoZW4gR1JVQjIgd2lsbCB2ZXJpZnkgKHdpdGggc2hp bSBwcm90b2NvbCkgWGVuIHNpZ25hdHVyZSBhbmQKPiA+PiA+IGZpbmFsbHkgWGVuIHdpbGwgdmVy aWZ5ICh3aXRoIHNoaW0gcHJvdG9jb2wpIExpbnV4IGtlcm5lbCBzaWduYXR1cmUuIFRoZW4KPiA+ PiA+IHlvdXIga2VybmVsIGNhbiB2ZXJpZnkgbW9kdWxlcyB1c2luZyB3aGF0ZXZlciB5b3Ugd2Fu dC4KPiA+PiA+Cj4gPj4gPj4gSSB3b3VsZCBiZSBoYXBweSB0byB3b3JrIHRvIGhlbHAgYWNoaWV2 ZSB0aGlzLgo+ID4+ID4KPiA+PiA+IFRoZXJlIGlzIGEgY2hhbmNlIHRoYXQgSSB3aWxsIGhhdmUg c29tZXRoaW5nIHZlcnkgcmF3IGF0IHRoZSBiZWdpbm5pbmcKPiA+PiA+IG9mIEp1bmUuIElmIHlv dSB3aXNoIHRvIGRvIHRlc3RzIGRyb3AgbWUgYSBsaW5lLgo+ID4+Cj4gPj4gSGkgRGFuaWVsLAo+ ID4+IGlzIHRoZXJlIGFueSBuZXdzIG9uIHRoaXM/IEkgd291bGQgYmUgaW50ZXJlc3RlZCBpbiBn aXZpbmcgdGhpcyBhIHNob3QgdG9vLgo+ID4KPiA+IFBsZWFzZSBsb29rIGF0Cj4gPgo+ID4gICBo dHRwczovL2xpc3RzLnhlbi5vcmcvYXJjaGl2ZXMvaHRtbC94ZW4tZGV2ZWwvMjAxNy0wNy9tc2cw MDk4Mi5odG1sCj4gPgo+ID4gYW5kIGF0Cj4gPgo+ID4gICBodHRwczovL2xpc3RzLnhlbi5vcmcv YXJjaGl2ZXMvaHRtbC94ZW4tZGV2ZWwvMjAxNy0wNy9tc2cwMDk4NS5odG1sCj4gPgo+ID4gQXR0 YWNobWVudHMgY29udGFpbiB0aGUgc2FtZSBwYXRjaGVzIGFzIGFib3ZlIGJ1dCByZWJhc2VkIG9u IGxhdGVzdAo+ID4gR1JVQjIgYW5kIFhlbiBnaXQgcmVwb3NpdG9yaWVzLgo+ID4KPiA+IER1ZSB0 byBzb21lIHRyYXZlbCBJIGFtIGdvaW5nIHRvIHJlc3RhcnQgd29yayBvbiB0aGlzIGluIHRoZSBz ZWNvbmQKPiA+IGhhbGYgb2YgU2VwdGVtYmVyLgo+ID4KPiA+IElmIHlvdSBoYXZlIGFueSBxdWVz dGlvbnMgcGxlYXNlIGRyb3AgbWUgYSBsaW5lLgo+ID4KPgo+IEhpIERhbmllbCwKPiB0aGFua3Mg Zm9yIHRoZSB1cGRhdGUsIEknbGwgZ2l2ZSBpdCBhIHNob3QgdG9kYXkgdG8gc2V0IGl0IHVwLiBJ biBhCj4gc29tZXdoYXQgcmVsYXRlZCBub3RlLCBhcmUgeW91IGF3YXJlIG9mIGFueSB3b3JrIG9u IGdldHRpbmcgc2VjdXJlCj4gYm9vdCArIFVFRkkgd29ya2luZyBpbiBhIGd1ZXN0PyBUaGVyZSBp cyBhIFBvQyBwYXRjaCBvbiBPcGVuWFQKPiAoaHR0cHM6Ly9naXRodWIuY29tL09wZW5YVC94ZW5j bGllbnQtb2UvcHVsbC83MjkpIGJ1dCB3YXMgd29uZGVyaW5nIGlmCj4gdGhlcmUgYXJlIGFueSBw YXJhbGxlbCBlZmZvcnRzIG9uZ29pbmcuCgpJIGRvIG5vdCBmb2xsb3cgdGhpcyBpc3N1ZSBpbiBk ZXRhaWwuIEhvd2V2ZXIsIEkgc3VwcG9zZSB0aGF0IGlmIE9WTUYKc3VwcG9ydHMgVUVGSSBzZWN1 cmUgYm9vdCAod2VsbCwgUUVNVSBoYXMgdG8gZW5hYmxlIFNNTSBzdXBwb3J0IHRvbzsKSSBkbyBu b3Qga25vdyBkb2VzIGl0IHdvcmsgd2l0aCBYZW4gb3Igbm90KSB0aGVuIGd1ZXN0IHNob3VsZCB3 b3JrCndpdGhvdXQgYW55IGlzc3VlLiBKdXN0IGd1ZXNzaW5nLi4uCgpEYW5pZWwKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi11c2VycyBtYWlsaW5n IGxpc3QKWGVuLXVzZXJzQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi11 c2Vycw== From xen-users-bounces@lists.xen.org Mon Sep 04 17:45:16 2017 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Mon, 04 Sep 2017 17:45:16 +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 1dovQU-0006xq-Mj; 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d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=i00Y7FnQqoRnV6rE+CPDYny6O5hyNprkAOpZrs4nqRg=; b=Jg1ReHT730nRwVL1mFpgqwQUFe7n5tAbHqJNM3yylmE6pvTgw5AISNop6JZiC1CEhU cjowzOKH+Oc8a74xEl+9hrH77PIY1Dlz3uI8twcSGkXvAAtMvnw1sdxbid9e27tg0jez /tboWgNnuRBOsX0hWO/k6iosG8KEbQnFWIu8JV3BzX78VZBh7xG7NJO8owWTUDU6661T qDRvzSs63ZuxT5G7i7WZeTYSDhb0VrhnQ+exqGmxfh3wIMek6uV3lCK0I8U9hgtSyZDO hd5ZRDG1vLpaBzkPvVImaYCI+Vwk3HU23cnmaI8Mv0BLXj4sEmywgQ+ffaBwcAEhMGno SzAg== X-Gm-Message-State: AHPjjUiMBOCKOv1hrrXdpUGCv9h4VtLJmti5bApT/uCStsULtTsKvtN6 O4VGSRo726vg4mIYLLGIvRIbf4UJyQ== X-Google-Smtp-Source: AOwi7QA66cOnvXfic9k1bSamS2QwUnvPF7Zv02EzJa86kGMsr9VH51xfaHNwaPWIqQnCMkIa1iHfJl0VyhhE4Llxq0E= X-Received: by 10.107.172.6 with SMTP id v6mr575713ioe.356.1504815178309; Thu, 07 Sep 2017 13:12:58 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.159.75 with HTTP; Thu, 7 Sep 2017 13:12:57 -0700 (PDT) From: Berillions Date: Thu, 7 Sep 2017 22:12:57 +0200 Message-ID: To: xen-users@lists.xen.org X-Mailman-Approved-At: Fri, 08 Sep 2017 14:24:57 +0000 Subject: [Xen-users] Black screen during the boot X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5087639749981824032==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============5087639749981824032== Content-Type: multipart/alternative; boundary="94eb2c05b4ae27e80a05589f1657" --94eb2c05b4ae27e80a05589f1657 Content-Type: text/plain; charset="UTF-8" Hi, I installed a fresh Debian Unstable with Kernel 4.12 and the Xen 4.8 packages from the official repository. My Debian's install does not have UEFI so i boot to Xen directly with GRUB. My PC has these device : - AMD Ryzen 1700X - 16Gb Memory RAM - Asus PRIME X370-PRO - AMD Rx560 for Debian (Host) - Nvidia GTX970 for my VM (KVM actually) I know that Nvidia does not work with DomU but my problem concern only the Dom0 ... I can boot correctly on Xen but during the boot, it stop (without to know why) and i have a black screen. After 5s, the GPU restarts (i know that thanks to the GPU's Fan) and my TV says me that there is no signal from HDMI. Unfortunatly, i have not serial port ... :-( I would like to know if you have already had this problem. Thanks, Maxime (Sorry for my English, i'm French) --94eb2c05b4ae27e80a05589f1657 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

I installed a fresh Debian Unstable with Kerne= l 4.12 and the Xen 4.8 packages from the official repository. My Debian'= ;s install does not have UEFI so i boot to Xen directly with GRUB.

<= /div>My PC has these device :
- AMD Ryzen 1700X
- 16Gb Me= mory RAM
- Asus PRIME X370-PRO
- AMD Rx560 for Debian (Ho= st)
- Nvidia GTX970 for my VM (KVM actually)

I know t= hat Nvidia does not work with DomU but my problem concern only the Dom0 ...=
I can boot correctly on Xen but during the boot, it stop (without= to know why) and i have a black screen. After 5s, the GPU restarts (i know= that thanks to the GPU's Fan) and my TV says me that there is no signa= l from HDMI.

Unfortunatly, i have not serial port ... :-(
<= br>
I would like to know if you have already had this problem.
Thanks,

Maxime
(Sorry for my English, i'm Frenc= h)
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banners=-,-,- X-VirusChecked: Checked Received: (qmail 41270 invoked from network); 9 Sep 2017 19:54:25 -0000 Received: from mail-ua0-f180.google.com (HELO mail-ua0-f180.google.com) (209.85.217.180) by server-6.tower-31.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 9 Sep 2017 19:54:25 -0000 Received: by mail-ua0-f180.google.com with SMTP id q29so7454761uaf.3 for ; Sat, 09 Sep 2017 12:54:25 -0700 (PDT) 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=iqjr8iXJiSHK2vmkNBG/+FGrpT6OViGIzhsRemD5YLU=; b=GmSI8uZ/KHvyJzrOdUcXtw7oKBco46xf9fdKn6wGGVvw9szLSz668UgeJ8/nkVRuuh tRRmeeBPdjxj1pGLeyaOQMLuuq+vKQJFXfh3TteRpBIsh1LTMFEKLssnxurutP0JacGL exRzrmIq1lLzOEVwWjfqTi/g1sHJZx2OljXFe3Fek7In7w2WOjkZ43krWJdmsWdwUumy 0IQRM6+Fa0JA0dLrNMNcLx7f5JECTWtz2HgUiNkMe1eso9C1Oed2o/Sp0/9sic3LZsr8 MmSe3gxzE7fxlgsb8MyMdb5fJDd/uHmdrHs39aSj2lVVvPrrFSNrGe6MNB+BfpGUiDmD A/lQ== 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=iqjr8iXJiSHK2vmkNBG/+FGrpT6OViGIzhsRemD5YLU=; b=P0KHc3WkywVWaRWhDIkSbOMKuPMLH8ISlakkuMljjJQ9le1xdRyiBa+RJYVK+rgS4c t3YYaPuTp7g2uOlRYwJ8NqvSDZGJp8dSawLBIkCX5LCyWfvU92VKWIVA11NUf4JbepLz wN65LUfTTOf6h4fJvUk7HnggGAH56mfTo6gXKF7YWYhWt+0WmUL1tESHHB0eM6Wjys9k gS4Ie/gql8kIAt5U6Rk9gay4yBVO0y9MpdXLZVncuGpDRNKG6IniDP7+07sIu6WtecEU 9CEooRoAeFwct+Sdhk7y0yYN90w7frVqyUzJuXglKYxSyFoMr6pVXc2di1yV+cZusuOe 2kDA== X-Gm-Message-State: AHPjjUjm/pHI6j7kTWbeYZsemGUdiwml+CGWIJb+lBMC90vDHCBLFh0I 5Jy69j4/QAC5x7cJIh3Ka+pHTDYRyw== X-Google-Smtp-Source: ADKCNb7510hDnsf2S/nNQ66N3FJqD9M3T27HQNsltrqsxZguOpRzI9KXr4gYcb9ykOkbvIVSg/l6s16tNKR3ShWdiSY= X-Received: by 10.176.93.232 with SMTP id l40mr5236105uag.151.1504986863930; Sat, 09 Sep 2017 12:54:23 -0700 (PDT) MIME-Version: 1.0 References: <1502273165.5719.18.camel@citrix.com> <1502451344.5719.32.camel@citrix.com> In-Reply-To: From: Duncan X Simpson Date: Sat, 09 Sep 2017 19:54:13 +0000 Message-ID: To: Vincent Canfield , xen-users@lists.xen.org Subject: Re: [Xen-users] Boot loop after upgrade X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1712891775601763151==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============1712891775601763151== Content-Type: multipart/alternative; boundary="f403043ee2546a92970558c70f8f" --f403043ee2546a92970558c70f8f Content-Type: text/plain; charset="UTF-8" All memes aside, with interactive grub editing I discovered that setting no-real-mode works. But I now have two problems: 1. I can't figure out where to put the option in my grub config. GRUB_CMDLINE_XEN[_DEFAULT] doesn't work. 2. The docs say no-real-mode should only be used for debugging. Are there any problems that may eventually arise as a result of this? On Sat, Aug 26, 2017 at 9:08 AM Vincent Canfield wrote: > Recent versions of Xen require a trampoline to get started. Make sure to > get one with a safety net so your VMs don't bounce away and break a > config file or something. -- Duncan X. Simpson, K7DXS --f403043ee2546a92970558c70f8f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
All memes aside, with interactive grub editing I discovere= d that setting no-real-mode works. But I now have two problems:

1. I can't figure out where to put the option in my grub config= . GRUB_CMDLINE_XEN[_DEFAULT] doesn't work.
2. The docs say no= -real-mode should only be used for debugging. Are there any problems that m= ay eventually arise as a result of this?

=
On Sat, Aug 26, 2017 at 9:08 AM Vincent Canfield <vc@cock.li> wrote:
Recent versions of Xen require a trampoline to get started.= Make sure to
get one with a safety net so your VMs don't bounce away and break a
config file or something.
--=

Duncan X. Simpson, K7DXS
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banners=-,-,- X-VirusChecked: Checked Received: (qmail 2086 invoked from network); 12 Sep 2017 12:03:52 -0000 Received: from mail.xenproject.org (HELO mail.xenproject.org) (104.130.215.37) by server-15.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Sep 2017 12:03:52 -0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1drjui-0002vN-MR; Tue, 12 Sep 2017 12:03:36 +0000 Received: from iwj by xenbits.xenproject.org with local (Exim 4.84_2) (envelope-from ) id 1drjui-00085v-K8; Tue, 12 Sep 2017 12:03:36 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) 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, 12 Sep 2017 12:03:36 +0000 Cc: "Xen.org security team" Subject: [Xen-users] Xen Security Advisory 234 (CVE-2017-14319) - insufficient grant unmapping checks for x86 PV guests X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-users-bounces@lists.xen.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 CVE-2017-14319 / XSA-234 version 3 insufficient grant unmapping checks for x86 PV guests UPDATES IN VERSION 3 ==================== Added metadata file Public release. ISSUE DESCRIPTION ================= When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were taken into account. IMPACT ====== A malicious or buggy x86 PV guest could escalate its privileges or crash the hypervisor. VULNERABLE SYSTEMS ================== All Xen versions are affected. Only x86 PV guests can leverage the vulnerability. x86 HVM guests as well as ARM guests cannot leverage the vulnerability. MITIGATION ========== Running only HVM guests will avoid this vulnerability. However, the vulnerability is exposed to PV stub qemu serving as the device model for HVM guests. Our default assumption is that an HVM guest has compromised its PV stub qemu. By extension, it is likely that the vulnerability is exposed to HVM guests which are served by a PV stub qemu. For PV guests, the vulnerability can be avoided if the guest kernel is controlled by the host rather than guest administrator, provided that further steps are taken to prevent the guest administrator from loading code into the kernel (e.g. by disabling loadable modules etc) or from using other mechanisms which allow them to run code at kernel privilege. CREDITS ======= This issue was discovered by Andrew Cooper of Citrix. RESOLUTION ========== Applying the appropriate attached patch resolves this issue. xsa234.patch xen-unstable xsa234-4.9.patch Xen 4.9.x xsa234-4.8.patch Xen 4.8.x, Xen 4.7.x xsa234-4.6.patch Xen 4.6.x xsa234-4.5.patch Xen 4.5.x $ sha256sum xsa234* efbcc7eac0f010281c5651d191076ac08cc7dd22a1945e88e92ba8a03ae8cc40 xsa234.meta 08ffa79e5c2a77db0b91b3bfcf9fa5c50f174fe842b7418e2e1549d47e0aec4d xsa234.patch 4b74f3c85a98bc6f40c6a448b068bf45e71f7cce887b7cb1481aca0e8746d990 xsa234-4.5.patch 3df4ce173196111c1ff849039ea4927c0b4bd632b08a501fb26f64e31b951fba xsa234-4.6.patch 169e4e0eaa6b27e58ff0f4ce50e8fcc3f81b1e0a10210decf22d1b4cac7501fb xsa234-4.8.patch 213f9d81a4ab785db67b9f579c9e88c9c8586c46b93f466a309060750df2df32 xsa234-4.9.patch $ DEPLOYMENT DURING EMBARGO ========================= Deployment of the patches and/or mitigations described above (or others which are substantially similar) is permitted during the embargo, even on public-facing systems with untrusted guest users and administrators. But: Distribution of updated software is prohibited (except to other members of the predisclosure list). Predisclosure list members who wish to deploy significantly different patches and/or mitigations, please contact the Xen Project Security Team. (Note: this during-embargo deployment notice is retained in post-embargo publicly released Xen Project advisories, even though it is then no longer applicable. This is to enable the community to have oversight of the Xen Project Security Team's decisionmaking.) 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server-12.bemta-3.messagelabs.com id FC/BC-18858-12DC7B95; Tue, 12 Sep 2017 12:03:45 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpgk+JIrShJLcpLzFFi42LJaLquqqtwdnu kwYYVaha3brYyWyz5uJjFYtXVA6wOzB5Hd/9mCmCMYs3MS8qvSGDNeLbnEWvB7mOMFVu+aTUw 3tjP2MXIxSEkcIVR4vS96WwQziJGiXNnp7J3MXJyMAu4StzYt5kNwlaUuHCvgQXE5hUQlDg58 wmYLSGgKXHnzSqwehGBIomd516C2WwCehJzz05igui1lJg/8RTYHGGBeIn7144yQ8wxk/gxbx LYHBYBVYmem0dYJjDyzEKyehaS1bOQrJ7FyAEU15RYv0sfwpSWWP6PA6JaXmL72znMELaVRPv SD1C2ucT8Rd9YYCZO6X7IDmFbS3TuOAa1yULi8MKLrJhq7CW2zVgHZdtItM07iVXNph2vGGFq 5uy8wIRNzaU7t5hgat7/uoLingWMoqsYNYpTi8pSi3QNDfWSijLTM0pyEzNzdA0NjPVyU4uLE 9NTcxKTivWS83M3MQJTAAMQ7GBc/dvpEKMkB5OSKO+R9dsjhfiS8lMqMxKLM+KLSnNSiw8xyn BwKEnw3j8NlBMsSk1PrUjLzAEmI5i0BAePkghvEEiat7ggMbc4Mx0idYrRkuPYiot/mDjWzLs OJDtu3v3DJMSSl5+XKiXOOwOkQQCkIaM0D24cLGFeYpSVEuZlBDpQiKcgtSg3swRV/hWjOAej kjDvRZApPJl5JXBbXwEdxAR0EM+lLSAHlSQipKQaGLczlr39aPQzcvm0ncUr9PdH2ixosTE/f POy5o31fzVucnUnddllhnb3h2fvD+Nb8H/rGv+bz/Vfff0duXVe35NVIQtPRIjbtT+zPdv8/h 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boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) 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, 12 Sep 2017 12:03:29 +0000 Cc: "Xen.org security team" Subject: [Xen-users] Xen Security Advisory 231 (CVE-2017-14316) - Missing NUMA node parameter verification X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-users-bounces@lists.xen.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 CVE-2017-14316 / XSA-231 version 3 Missing NUMA node parameter verification UPDATES IN VERSION 3 ==================== Updated metadata file Public release. ISSUE DESCRIPTION ================= The function `alloc_heap_pages` allows callers to specify the first NUMA node that should be used for allocations through the `memflags` parameter; the node is extracted using the `MEMF_get_node` macro. While the function checks to see if the special constant `NUMA_NO_NODE` is specified, it otherwise does not handle the case where `node >= MAX_NUMNODES`. This allows an out-of-bounds access to an internal array. IMPACT ====== An attacker using crafted hypercalls can execute arbitrary code within Xen. VULNERABLE SYSTEMS ================== All versions of Xen are affected. Both ARM and x86 are affected. Both systems running HVM guests and system running PV guests are affected. MITIGATION ========== No known mitigation. CREDITS ======= This issue was discovered by Matthew Daley. RESOLUTION ========== Applying the appropriate attached patch resolves this issue. xsa231.patch xen-unstable xsa231-4.9.patch Xen 4.9, Xen 4.8 xsa231-4.7.patch Xen 4.7, Xen 4.6 xsa231-4.5.patch Xen 4.5 $ sha256sum xsa231* 4255d2bc4ca668e7abcbf8256b0a8f21acef2a47a06d626aad6d22c685034587 xsa231.meta b72af3fb8c44925ea7973533e8a8701becfc194f3e1c97f12af0392e1edd16a3 xsa231.patch d9853b2d2649679d8810bd7e93f7b51bd9fefb3472da60ae464bde88aae3389c xsa231-4.5.patch ce29b56a0480f4835b37835b351e704d204bb0ccd22325f487127aa2776cc2cf xsa231-4.7.patch 71a53a5133c8d4e381dd0e3e54205d31dea545ab62b261084dd3aea140f88cad xsa231-4.9.patch $ DEPLOYMENT DURING EMBARGO ========================= Deployment of the patches and/or mitigations described above (or others which are substantially similar) is permitted during the embargo, even on public-facing systems with untrusted guest users and administrators. But: Distribution of updated software is prohibited (except to other members of the predisclosure list). Predisclosure list members who wish to deploy significantly different patches and/or mitigations, please contact the Xen Project Security Team. (Note: this during-embargo deployment notice is retained in post-embargo publicly released Xen Project advisories, even though it is then no longer applicable. This is to enable the community to have oversight of the Xen Project Security Team's decisionmaking.) For more information about permissible uses of embargoed information, consult the Xen Project community's agreed Security Policy: http://www.xenproject.org/security-policy.html -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBCAAGBQJZt80DAAoJEIP+FMlX6CvZrooIALgotDR4DC367J1SF87V2dHW Wo2O05rF8uBl12ofMA4LirjPfbNq49ZikaDr01jq+srFZLDw72IzgjbNJOwThkZt DHFR12LABvAPHT/Je58vGqS24HKKhK1o+Q0vDcbZHzBGXkj6gwxNC+DJAzF9D9Ye qXtZv4GmkmhFs0nQuzUF8bLu7ZvIQjB7QVoXnOvynx/mpCI9GPvoRGLptIJhbc8A CqSLsgF+7cXC6E8u/pp9XorpsQf2ekQwJMkLiG3UXieeShwrmY1mCE/vWBgsFeyj k7/+dQhj6X+7vwLA385Df3cF7hDjDi23AJMUN1AuVd9fx9/ie4o+9nJIa0FpUOA= =al8X -----END PGP SIGNATURE----- --=separator Content-Type: application/octet-stream; name="xsa231.meta" Content-Disposition: attachment; filename="xsa231.meta" Content-Transfer-Encoding: base64 ewogICJYU0EiOiAyMzEsCiAgIlN1cHBvcnRlZFZlcnNpb25zIjogWwogICAg Im1hc3RlciIsCiAgICAiNC45IiwKICAgICI0LjgiLAogICAgIjQuNyIsCiAg ICAiNC42IiwKICAgICI0LjUiCiAgXSwKICAiVHJlZXMiOiBbCiAgICAieGVu 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(envelope-from ) id 1drjuv-0002Aq-BM; Tue, 12 Sep 2017 12:03:49 +0000 Received: from [85.158.143.35] by server-4.bemta-6.messagelabs.com id C7/6F-03283-42DC7B95; Tue, 12 Sep 2017 12:03:48 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprBKsWRWlGSWpSXmKPExsWS0XRdVVfh7PZ Ig3kdiha3brYyWyz5uJjFYtXVA6wOzB5Hd/9mCmCMYs3MS8qvSGDNaLw0j6XgumPFkZdPWRsY V9p2MXJxCAlcYZSYufcxE4SziFHia9sLli5GTg5mAVeJG/s2s0HYihIX7jWAxXkFBCVOznwCZ ksIaErcebOKHcQWESiS2HnuJZjNJqAnMffsJCaIXkuJ+RNPgc0RFoiU+LPkPRPEHDOJxz0dYP UsAqoSs869Yp/AyDMLyepZSFbPQrJ6FiMHUFxTYv0ufQhTWmL5Pw6IanmJ7W/nMEPYVhIb/j9 ngrDNJQ5fWMoMM3FK90N2iFZriTPzDCDCFhL3d59lQlaygJFnFaNGcWpRWWqRrqGpXlJRZnpG SW5iZo6uoYGZXm5qcXFiempOYlKxXnJ+7iZGYJwwAMEOxm/LAg4xSnIwKYnyHlm/PVKILyk/p TIjsTgjvqg0J7X4EKMMB4eSBK/yGaCcYFFqempFWmYOMGJh0hIcPEoivBwgad7igsTc4sx0iN QpRnuOYysu/mHiOLbpMpBcM+86kOy4efcPkxBLXn5eqpQ47+/TQG0CIG0ZpXlwQ2EJ5hKjrJQ wLyPQmUI8BalFuZklqPKvGMU5GJWEeS+CTOHJzCuB2/0K6CwmoLN4Lm0BOaskESEl1cCoujdt 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(envelope-from ) id 1drjug-00084W-JI; Tue, 12 Sep 2017 12:03:34 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) 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, 12 Sep 2017 12:03:34 +0000 Cc: "Xen.org security team" Subject: [Xen-users] Xen Security Advisory 233 (CVE-2017-14317) - cxenstored: Race in domain cleanup X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-users-bounces@lists.xen.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 CVE-2017-14317 / XSA-233 version 3 cxenstored: Race in domain cleanup UPDATES IN VERSION 3 ==================== Added metadata file Public release. ISSUE DESCRIPTION ================= When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. IMPACT ====== The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc). VULNERABLE SYSTEMS ================== All versions of Xen are vulnerable. Only systems running the C version os xenstored ("xenstored") are vulnerable; systems running the Ocaml version ("oxenstored") are not vulnerable. Only systems running devicemodel stubdomains are vulnerable. Only x86 HVM guests can use stubdomains. Therefore ARM systems, x86 systems running only PV guests, and x86 systems running HVM guests with the devicemodel not in a stubdomain (eg in dom0), are not vulnerable. MITIGATION ========== Running oxenstored will mitigate this issue. Not using stubdomains will also mitigate the issue. CREDITS ======= This issue was discovered by Eric Chanudet of AIS. RESOLUTION ========== Applying the attached patch resolves this issue. xsa233.patch xen-unstable, Xen 4.9.x Xen 4.8.x Xen 4.7.x Xen 4.6.x Xen 4.5.x $ sha256sum xsa233* 66b6f6c0837a5d12a77db7e5cbfd0514968bd47e2d192824da3bc9ddf119bfe0 xsa233.meta f721cc49ba692b2f36299b631451f51d7340b8b4732f74c98f01cb7a80d8662b xsa233.patch $ DEPLOYMENT DURING EMBARGO ========================= Deployment of the patches and/or mitigations described above (or others which are substantially similar) is permitted during the embargo, even on public-facing systems with untrusted guest users and administrators. But: Distribution of updated software is prohibited (except to other members of the predisclosure list). Predisclosure list members who wish to deploy significantly different patches and/or mitigations, please contact the Xen Project Security Team. (Note: this during-embargo deployment notice is retained in post-embargo publicly released Xen Project advisories, even though it is then no longer applicable. This is to enable the community to have oversight of the Xen Project Security Team's decisionmaking.) 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 53502 invoked from network); 12 Sep 2017 12:03:49 -0000 Received: from mail.xenproject.org (HELO mail.xenproject.org) (104.130.215.37) by server-8.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 12 Sep 2017 12:03:49 -0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1drjue-0002uq-42; Tue, 12 Sep 2017 12:03:32 +0000 Received: from iwj by xenbits.xenproject.org with local (Exim 4.84_2) (envelope-from ) id 1drjue-00081T-1W; Tue, 12 Sep 2017 12:03:32 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) 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, 12 Sep 2017 12:03:32 +0000 Cc: "Xen.org security team" Subject: [Xen-users] Xen Security Advisory 232 (CVE-2017-14318) - Missing check for grant table X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-users-bounces@lists.xen.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 CVE-2017-14318 / XSA-232 version 4 Missing check for grant table UPDATES IN VERSION 4 ==================== Added metadata file Public release. ISSUE DESCRIPTION ================= The function `__gnttab_cache_flush` handles GNTTABOP_cache_flush grant table operations. It checks to see if the calling domain is the owner of the page that is to be operated on. If it is not, the owner's grant table is checked to see if a grant mapping to the calling domain exists for the page in question. However, the function does not check to see if the owning domain actually has a grant table or not. Some special domains, such as `DOMID_XEN`, `DOMID_IO` and `DOMID_COW` are created without grant tables. Hence, if __gnttab_cache_flush operates on a page owned by these special domains, it will attempt to dereference a null pointer in the domain struct. IMPACT ====== The guest can get Xen to dereference a NULL pointer. For ARM guests and x86 PV guests on systems with SMAP enabled, this will cause a host crash (denial-of-service). For x86 PV guests on systems without SMAP enabled, an attacker can map a crafted grant structure at virtual address 0. This can be leveraged to increment an arbitrary virtual address, which can then probably be leveraged into a full privilege escalation. VULNERABLE SYSTEMS ================== All versions of Xen since Xen 4.5 are vulnerable. x86 HVM guests do not expose the vulnerability. ARM guests and x86 PV guests on systems with SMAP enabled are only vulnerable to a Denial-of-Service (host crash). x86 PV guests on systems without SMAP running are vulnerable to a privilege escalation. MITIGATION ========== Hardware supporting Supervisor Mode Access Prevention (Intel Broadwell, AMD Zen) can mitigate the privilege escalation to a DoS. CREDITS ======= This issue was discovered by Matthew Daley. RESOLUTION ========== Applying the attached patch resolves this issue. xsa232.patch xen-unstable, 4.9, 4.8, 4.7, 4.6, 4.5 $ sha256sum xsa232* b193a711d013fe14556610ef3e703585164fdfc437c3a32a717c419e7a5afab2 xsa232.meta 5068a78293daa58557c30c95141b775becfb650de6a5eda0d82a4a321ced551c xsa232.patch $ DEPLOYMENT DURING EMBARGO ========================= Deployment of the patches and/or mitigations described above (or others which are substantially similar) is permitted during the embargo, even on public-facing systems with untrusted guest users and administrators. But: Distribution of updated software is prohibited (except to other members of the predisclosure list). Predisclosure list members who wish to deploy significantly different patches and/or mitigations, please contact the Xen Project Security Team. (Note: this during-embargo deployment notice is retained in post-embargo publicly released Xen Project advisories, even though it is then no longer applicable. This is to enable the community to have oversight of the Xen Project Security Team's decisionmaking.) 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X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============9174847005461915648==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============9174847005461915648== Content-Type: multipart/alternative; boundary="001a113eace4930cb305591d4a59" --001a113eace4930cb305591d4a59 Content-Type: text/plain; charset="UTF-8" I'd like to use Intel PT to analyze xen crashes, but I don't find the option in the code. Is it supported by Xen? If not, is there any plan to do so? Thanks --001a113eace4930cb305591d4a59 Content-Type: text/html; charset="UTF-8"
I'd like to use Intel PT to analyze xen crashes, but I don't find the option in the code. Is it supported by Xen? If not, is there any plan to do so?

Thanks
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boundary="===============9177514368719431129==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============9177514368719431129== Content-Type: multipart/alternative; boundary="001a1134eae64d9d9305592860ac" --001a1134eae64d9d9305592860ac Content-Type: text/plain; charset="UTF-8" Hello: I'm trying to set up a shared memory pool between two minimal Xen domains based on Mini-OS using the grant table API provided by Mini-OS. The sender domain sets up a grant table and publishes the grant references on xenstore. The receiver domain reads the grant references on xenstore and maps them. As long as the grant table of the sender domain fits in one frame, i.e. 512 grants at most, everything works OK. But grant references beyond the first 512 cannot be mapped in the receiver domain. The GNTTABOP_map_grant_ref hypercall fails with a GNTST_general_error status without any logs (function gntmap_map_grant_refs of the Mini-OS api). Any help is welcome. Is it a Mini-OS specific problem ? Does Xen support more than one single grant table per domain ? Is there any Xen parameter that needs to be set ? Xen version 4.8.1 Mini-OS version: xen-RELEASE-4.8.1 Thanks --001a1134eae64d9d9305592860ac Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello:<= div>
I'm trying to set up a shared me= mory pool between two minimal Xen domains based on Mini-OS using the grant = table API provided by Mini-OS.
The sender domain sets up a grant table and publishes the = grant references on xenstore. The receiver domain reads the grant reference= s on xenstore and maps them.
As long as the grant table of the sender domain fits in one = frame, i.e. 512 grants at most, everything works OK. But grant references b= eyond the first 512 =C2=A0cannot be mapped in the receiver domain.=C2=A0
The GNTTABOP_map= _grant_ref hypercall fails with a=C2=A0GNTST_general_error status without any logs (function=C2=A0gntmap_map_grant_refs of the Mini-OS api).

Any help is welcome.
Is it a Min= i-OS specific problem ?
Does Xen support = more than one single grant table per domain ?
Is there any Xen parameter that needs to be set ?=

X= en version 4.8.1
Mini-OS version: = =C2=A0xen-RELEASE-4.8.1

Thanks



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banners=-,-,- X-VirusChecked: Checked Received: (qmail 18579 invoked from network); 19 Sep 2017 11:48:06 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 19 Sep 2017 11:48:06 -0000 X-IronPort-AV: E=Sophos;i="5.42,418,1500940800"; d="scan'208";a="53067908" Date: Tue, 19 Sep 2017 12:47:50 +0100 From: Roger Pau =?iso-8859-1?Q?Monn=E9?= To: Zihan Yang Message-ID: <20170919114750.a66lhkmx5wyuwtnp@dhcp-3-128.uk.xensource.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170714 (1.8.3) X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL02.citrite.net (10.69.22.126) Cc: xen-users@lists.xen.org Subject: Re: [Xen-users] Does xen support Intel Processor Trace? 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c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:cc; bh=nt4N8CUQOIr0FhR7kkUELIsqUU8hs+Rs7H/4IIsT24A=; b=iG9IP9W8313I7g5QhWsWVBL4/H6MruDN/pBVW3XT0WM8u1/UDSO8hOgQVZ1C487aOZ o+gPwCRSK9BuPOy0bXKIrS/ZSCp9iFs9UL7bQaGCpLF2GuCZXjLVWwmws+sKHIyclit+ VMefuOlR4/5SY3eBYksz6WHmDU6ybB8fWrJ8jlqFh+F7PUQ5JzrCXNa8jnhkmtSVc+KE qVHwtZ6J7W/NrT4zgjjCDKSsD7LjSl7suWblnxsIZ/GZLau/ByMBzP0PhHHl+pIy+Bjj jGitPxHDvkqJsF6I7U0qNHjRRwmCHgWptcyV7vE6ggindxv8m4iNlGIDS2T2KKZEv+Je oACA== X-Gm-Message-State: AHPjjUhWa20ePMWBEwWVXK34IEai4IJLtggwLdgsn/NZot+CJYPznaRm vgJlqxbeyrGIYOTmmz9b3/vY+k8gbYibJ0kjPV/Wlg== X-Google-Smtp-Source: AOwi7QDJGI9yVj8FzolLFCZ2BfAOR3RO9F7meKpbYQrTt/36fnCxxsGQSxRMZd53NpFfepsHxB3NDJkqFxVuXsZ/OZQ= X-Received: by 10.107.135.147 with SMTP id r19mr5411630ioi.26.1505880492084; Tue, 19 Sep 2017 21:08:12 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.12.155 with HTTP; Tue, 19 Sep 2017 21:08:11 -0700 (PDT) In-Reply-To: <20170919114750.a66lhkmx5wyuwtnp@dhcp-3-128.uk.xensource.com> References: <20170919114750.a66lhkmx5wyuwtnp@dhcp-3-128.uk.xensource.com> From: Zihan Yang Date: Wed, 20 Sep 2017 00:08:11 -0400 Message-ID: Cc: xen-users@lists.xen.org Subject: Re: [Xen-users] Does xen support Intel Processor Trace? X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4222234166894028786==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============4222234166894028786== Content-Type: multipart/alternative; boundary="001a113ec75ace13440559971f6d" --001a113ec75ace13440559971f6d Content-Type: text/plain; charset="UTF-8" > >* I'd like to use Intel PT to analyze xen crashes, but I don't find the* > > I'm not sure Intel PT is useful to analyze Xen crashes. If Xen crashes > the whole system goes down, so how are you going to fetch the trace > data then? It seems that Xen has already ported the kdump mechanism(in http://www-archive.xenproject.org/files/summit_3/kexec_kdump.pdf). So I guess it might be possible to coredump xen when it crashes, altough I have not tried it myself. According to your experience, is it a practical solution? > It could be interesting for performance analysis IMHO. I agree, but pure instruction flow seems not sufficient to detect accurate reason of performance downgrade(e.g. The growth of response delay). I think some extra manual checks are needed. Thanks Zihan --001a113ec75ace13440559971f6d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 
> > I'd like to use Intel PT to analyze =
xen crashes, but I don't find the
>
> I'm not sure Intel PT is useful to analyze Xen crashes. If Xen cra=
shes
> the whole system goes down, so how are you going to fetch the trace
> data then?

It seems that Xen has already ported the kdump mechanism(in
http:=
//www-archive.xenproject.org/files/summit_3/kexec_kdump.pdf).
So I g=
uess it might be possible to coredump xen when it crashes, altough I have <=
br>not tried it myself. According to your experience, is it a practical sol=
ution?

> It could be interesting for performance analysis IMHO.
I agree, but pure instruction flow seems not sufficient to detect acc=
urate 
reason of performance downgrade(e.g. The growth of response delay=
). I think some 
extra manual checks are needed.

Thank=
s
Zihan
--001a113ec75ace13440559971f6d-- --===============4222234166894028786== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLXVzZXJz --===============4222234166894028786==-- From xen-users-bounces@lists.xen.org Wed Sep 20 13:50:41 2017 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 20 Sep 2017 13:50:41 +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 1dufNa-0003al-C6; Wed, 20 Sep 2017 13:49:30 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dufNZ-0003af-KM for xen-users@lists.xen.org; Wed, 20 Sep 2017 13:49:29 +0000 Received: from [85.158.143.35] by server-1.bemta-6.messagelabs.com id 08/E3-03414-8E172C95; Wed, 20 Sep 2017 13:49:28 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrCIsWRWlGSWpSXmKPExsWyU9JRQvdF4aF Ig/brkharrh5gdWD0OLr7N1MAYxRrZl5SfkUCa8aUqU9ZCiZxVsz+NJe9gXE7excjJ4eEgJ/E 1nNvGLsYOThYBFQlnq7PBzHZBOwlpn+tAKkQEVCS6GyYyARiMwvISpyY+AfMFhZwkJj47yALS DmvgKfEgkkaXYxcHEICVxklLi7YxApSwysgKHFy5hMWiF4diQW7P7GB1DMLSEss/8cBYnIKBE qcPWIGUiEqoCJxcuUasOlCAooS/fMesEHcmC6x9e8v5gmM/LOQDJ2FZOgshKELGJlXMWoUpxa VpRbpGhrrJRVlpmeU5CZm5ugaGpjp5aYWFyemp+YkJhXrJefnbmIEhh4DEOxg/LIs4BCjJAeT kihv9fGDkUJ8SfkplRmJxRnxRaU5qcWHGGU4OJQkeB+fB8oJFqWmp1akZeYAowAmLcHBoyTCy 3kBKM1bXJCYW5yZDpE6xagoJc57EKRPACSRUZoH1waLvEuMslLCvIxAhwjxFKQW5WaWoMq/Yh TnYFQS5uUCGc+TmVcCN/0V0GImoMXZGw6ALC5JREhJNTAyvlXZ5Nqsvn/r//OVGl6znrw7eKY mcP6iKdX5Mfyl2pu5f96WlvaVvDT3hM2Me64Lbfn1vqx/O3X6ej6JjyfF961dcrlNMb3qvKJR 53Uf/+3pLFw/tzFYJDYuPs3VLq27P0/LUrPo0OuUiyuWtXzaYTrpadCi1Tfkupfdz9t0OXfx7 4OlpXxVSizFGYmGWsxFxYkAXJE8D7cCAAA= X-Env-Sender: prvs=429837174=roger.pau@citrix.com X-Msg-Ref: server-16.tower-21.messagelabs.com!1505915368!71821011!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 34558 invoked from network); 20 Sep 2017 13:49:28 -0000 Received: from smtp.eu.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-16.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 20 Sep 2017 13:49:28 -0000 X-IronPort-AV: E=Sophos;i="5.42,421,1500940800"; d="scan'208";a="53160310" Date: Wed, 20 Sep 2017 13:00:54 +0100 From: Roger Pau =?iso-8859-1?Q?Monn=E9?= To: Zihan Yang Message-ID: <20170920120054.fkasimo7hr37hhbd@dhcp-3-128.uk.xensource.com> References: <20170919114750.a66lhkmx5wyuwtnp@dhcp-3-128.uk.xensource.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170714 (1.8.3) X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL02.citrite.net (10.69.22.126) Cc: xen-users@lists.xen.org Subject: Re: [Xen-users] Does xen support Intel Processor Trace? 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X-VirusChecked: Checked Received: (qmail 4060 invoked from network); 19 Sep 2017 12:19:15 -0000 Received: from aserp1040.oracle.com (HELO aserp1040.oracle.com) (141.146.126.69) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 19 Sep 2017 12:19:15 -0000 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v8JCJA2H024139 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 19 Sep 2017 12:19:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v8JCJAsx013854 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 19 Sep 2017 12:19:10 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v8JCJ9ah013152; Tue, 19 Sep 2017 12:19:09 GMT Received: from olila.local.net-space.pl (/10.175.178.50) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 19 Sep 2017 05:19:09 -0700 Date: Tue, 19 Sep 2017 14:19:05 +0200 From: Daniel Kiper To: Tamas K Lengyel Message-ID: <20170919121905.GT4452@olila.local.net-space.pl> References: <20170515131252.GZ30364@olila.local.net-space.pl> <3e4a14aa5a70417487412e4a5049f89d@XCH-RTP-007.cisco.com> <20170516110450.GA30364@olila.local.net-space.pl> <20170829200115.GF4452@olila.local.net-space.pl> <20170904124014.GW4452@olila.local.net-space.pl> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Mailman-Approved-At: Wed, 20 Sep 2017 15:12:07 +0000 Cc: "xen-users@lists.xen.org" , "george.dunlap@citrix.com" , "Bill Jacobs \(billjac\)" , "xen-devel@lists.xen.org" Subject: Re: [Xen-users] [Xen-devel] UEFI Secure Boot Xen 4.9 X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list 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(209.85.128.172) by server-11.tower-206.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 20 Sep 2017 19:22:46 -0000 Received: by mail-wr0-f172.google.com with SMTP id v109so2976894wrc.1 for ; Wed, 20 Sep 2017 12:22:46 -0700 (PDT) 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=ydOZJDzG5sbT8n1iFf9ZD+RR3CgtGPHB01fKn1zo39o=; b=LpW+Pv6YjyfBXLbzS7YCuB1K5fSJz1xT1znpqV6kg+MqwgdBbgy/fq8gZJO+NwGf3i lpLheAw7pMd8X7kBRfL2KBq608YzqbLVKnuer9cprVj8NXoKn0M65IOBwCuzo6XcdwcF 6FhiSzCtg/UjpBJxh2/+W8Smr4yiWKSmh318ltWNVAD+OFGO5MBeskqLsFw3FXZMm6Hz EX6Qp66Sug8MdnBvoAvaCpDgy6EFJpCNbUQtBpRG8K2rcvmO7Ohcbxyz2G1fbuROQeQh GJpE47nomIEkegu0lzVbmv8/HNSR0aYBkpk9S8Ivv2UPu/Ae8SKvBc3Wco0C0V9lAK7U zwCg== 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=ydOZJDzG5sbT8n1iFf9ZD+RR3CgtGPHB01fKn1zo39o=; b=G/WUQl66iU8+kOzKAXK5ScYpQIpCak1aiJSWrMeKWeT7qNNR7taN3lADcNVmCYoYVt wmkBX7noffOs+pe8rlBw5EuS1MHmzBO1+pV3zu49X7772HydOYJQPsKqK56ECmUqV8hh DjYBH/9TaU+2dgJJKGT2f8h1U0ea3yOWcC0XMsRPwv+yQucATtPb00BX1enrwYeVRBqX 1b4JkpdMC1KGvJ8CUV2RmsdmhgBWREPE/3MXuulb6NydopW8diEhc4AZg9DEIviF4Aph OgnFEtack06iGBOErKTN2drjYBgplkK4EG0U0zKCLXHpCuTWAPk9hNKma5J45amVHxF/ ZyNQ== X-Gm-Message-State: AHPjjUh5ao2cILBWxU4Fuu50wkdxFtzhHHVW7CchVbPcC2RC5hJlRDB2 94kkjMxMOH8FU/gugW0SMF0kCnBuxWHU9E+PRyzTjQ== X-Google-Smtp-Source: AOwi7QBkm49VB0gSFM6/Ogj881lxBCjwifWnw1ODHjwwCUoe5rYTvb0U9TRrp13etP89qk7Ch4Gpxa8ZdA0Zpn+KZKk= X-Received: by 10.223.166.99 with SMTP id k90mr4942661wrc.183.1505935365903; Wed, 20 Sep 2017 12:22:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.28.17.213 with HTTP; Wed, 20 Sep 2017 12:22:05 -0700 (PDT) From: "ebradsha@gmail.com" Date: Wed, 20 Sep 2017 12:22:05 -0700 Message-ID: To: xen-users@lists.xen.org Subject: [Xen-users] How to enable feature-discard on Xen domU X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7085175122023808805==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============7085175122023808805== Content-Type: multipart/alternative; boundary="f403045cf3908a1be60559a3e6bf" --f403045cf3908a1be60559a3e6bf Content-Type: text/plain; charset="UTF-8" I'm running Xen 4.2 and I'm trying to figure out how to enable feature-discard on my paravirtualized domU's. As I understand it, I must have discard enabled in order to run fstrimon my domUs and relay trim instructions back down to the block device. Currently, when I run fstrim -v / on my domUs, I get this on RHEL7: fstrim: /: the discard operation is not supported Or this on a RHEL6 guest: fstrim: /: FITRIM ioctl failed: Operation not supported I can see from the output of xenstore-ls that feature-discard is set to 0 for all of my domU's: domain = "vm115" frontend = "/local/domain/5/device/vbd/51713" uuid = "dcacf79e-e80c-9019-a00f-f984d65e9159" bootable = "1" dev = "xvda1" state = "4" params = "/dev/VolGroup00/vm115_img" mode = "w" online = "1" frontend-id = "5" type = "phy" physical-device = "fd:8" hotplug-status = "connected" feature-flush-cache = "1" feature-discard = "0" feature-barrier = "1" feature-persistent = "1" sectors = "20971520" info = "0" sector-size = "512" I cannot figure out what sort of changes I need to make to my Xen cfg files to enable discard. Does anyone know how this is done on Xen 4.2? --f403045cf3908a1be60559a3e6bf Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

I'm running Xen 4.= 2 and I'm trying to figure out how to enable=C2=A0feature-discard= =C2=A0on my paravirtualized domU's. As I understand it, I must have=C2= =A0discard=C2=A0enabled in order to run=C2=A0fstrimon my domUs = and relay trim instructions back down to the block device.

Currently, when I run=C2=A0fstrim -v /=C2=A0on= my domUs, I get this on RHEL7:

fstrim: /: the discard operation is not supported

Or this on a RHEL6 guest:<= /p>

fstrim: /=
: FITRIM ioctl failed: Operation not supported

I can see from the output = of=C2=A0xenstore-ls=C2=A0that=C2=A0feature-discard=C2=A0is set = to 0 for all of my domU's:

   domain =3D "vm115"
   frontend =3D "/local/domain/5/device/vbd/51713"
   uuid =3D "dcacf79e-e80c-9019-a00f-f984d65e9159"
   bootable =3D "1"
   dev =3D "xvda1"
   state =3D "4"
   params =3D "/dev/VolGroup00/vm115_img"
   mode =3D "w"
   online =3D "1"
   frontend-id =3D "5"
   type =3D "phy"
   physical-device =3D "fd:8"
   hotplug-status =3D "connected"
   feature-flush-cache =3D "1"
   feature-discard =3D "0"
   feature-barrier =3D "1"
   feature-persistent =3D "1"
   sectors =3D "20971520"
   info =3D "0"
   sector-size =3D "512"

I cannot figure out what s= ort of changes I need to make to my Xen cfg files to enable discard.

Does anyone know how this is done on Xen 4= .2?

--f403045cf3908a1be60559a3e6bf-- --===============7085175122023808805== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLXVzZXJz --===============7085175122023808805==-- From xen-users-bounces@lists.xen.org Thu Sep 21 11:44:38 2017 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 21 Sep 2017 11:44:38 +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 1duzsy-00043w-B9; Thu, 21 Sep 2017 11:43:16 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1duzsw-00043b-Kv; Thu, 21 Sep 2017 11:43:14 +0000 Received: from [85.158.143.35] by server-3.bemta-6.messagelabs.com id 6A/DB-03093-1D5A3C95; Thu, 21 Sep 2017 11:43:13 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKIsWRWlGSWpSXmKPExsVyMfS6qe65pYc jDS4eU7NY8nExi8WqqwdYHZg8ju7+zRTAGMWamZeUX5HAmjG/4whzwUmeih3nu5kaGG9ydTFy cggJFEqcXNLHCGKzCNxhkVi+RbOLkYtDQuAHi8TPw71sIAkJgSqJcytvsHcxcgDZRRILn0dAh Askrj2cywRi8woISpyc+YQFxGYTUJN4vXQZM8RMVYntiw6xQdQESNy7eArMFhYwktjb84EVxB YRiJE4eW0J2A3MAj4S23f/ZpnAyDsLydhZSFIQtqZE6/bf7BC2hsSCO/sYIWxtiWULXzMvYGR dxahenFpUllqka6iXVJSZnlGSm5iZo2toYKaXm1pcnJiempOYVKyXnJ+7iREYjAxAsINx53On Q4ySHExKoryu8w5HCvEl5adUZiQWZ8QXleakFh9ilOHgUJLgjQQGt5BgUWp6akVaZg4wLmDSE hw8SiK8siBp3uKCxNzizHSI1ClGS44Ldy79YeI4sOcWkNx38+4fJiGWvPy8VClxXg2QBgGQho zSPLhxsNi9xCgrJczLCHSgEE9BalFuZgmq/CtGcQ5GJWHev0uApvBk5pXAbX0FdBAT0EHZGw6 AHFSSiJCSamCUY41JM21+MqG5Ya3nm1nnDNpuPZ51su3t5pPJUr6nu+psV//ru8WVvth4+o0P tgyCO0Rb6q7dF19hen4V63npb/O9vD5EP7vayHpKab365Ys73Y2epaz/xHLjx/KymE15G9bri VzbpLDugM1Fid0FrxRfRl9RO6FW5XrJ6eX+9sN8p54s+hmcrMRSnJFoqMVcVJwIAIXtfAzYAg AA X-Env-Sender: chengkunck@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1505994190!80470112!1 X-Originating-IP: [209.85.215.53] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_10_20,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 39497 invoked from network); 21 Sep 2017 11:43:10 -0000 Received: from mail-lf0-f53.google.com (HELO mail-lf0-f53.google.com) (209.85.215.53) by server-3.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 21 Sep 2017 11:43:10 -0000 Received: by mail-lf0-f53.google.com with SMTP id 80so5498330lfy.4; Thu, 21 Sep 2017 04:43:10 -0700 (PDT) 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=iSSdSjheeb8RQ4Tm3alYasD6MwXyJvWNqS5UKko79dU=; b=gPpBmz/8GAyEhUZYRW21iSU3VPFYoOAHE9Ul8POYRm3ZlTMEVVUpzGdkzIPuYau9sk P6/vV7ntnviEKv/dAzIWKwJY51pLvTvel/BJY4Kr8A78LfEESITZ0vzdZLT0oSwy5tPg uOif/7Q+jKzclAVhOVNls+mSsgDBTCcS3xH0Flyc2GtlY7e2qxp/Quj8HfNZ+GV2VtMp xWiG5j5NGxrLJock1UMO8atFVnIh/BMuwakGBHpiAS51N82T6rQQxNbp79DLRYWnNV+3 QOhYISn1HRV3+m2R72YTMqOxg3b9fR8l3Fj7jgao8S9UCYiQ5LOdxaDsi3+fkhNjMYW+ jHGg== 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=iSSdSjheeb8RQ4Tm3alYasD6MwXyJvWNqS5UKko79dU=; b=VZZZRc4f57dCQU1wgCffiv/NtOJrXkb8jQw8gTmWUp/RBrXizxIfkzlaW4SEy3SXRh ZbCcx2pTmZkWMn59hyiuWIb/CKwtmZ/TZN66qQcIOY51VbXOxmXFhXs9xDg+fXWwSsH9 Xz0Is35XI3v2uPsQRQz55FR3pVEFDL4HlJQOrujIgF6YOzyrn1vLWRPZ+lC8lptDsqBl 1v4myF/toQnPIlT7vKZDcQTd8+sl0xLERkDueYOGGqy8lAzhKijoTVJ57s0gnTlAfXOc 2bKGFkDvWh9ph1+Bbo3tmA6Np+UIlQyYV9Cq1H2fKdJKCZYqTNHfSNQNe7hYhzBlJrLH UnyA== X-Gm-Message-State: AHPjjUgAk7RDNKFoomj3xY0Fon30EG3FxfCfsqqHV4HJJwkGyqm3nKys 7c5NCmNKgQkIHO+R4gYXLWCTX8zBDo7bv+eBmvNEeg== X-Google-Smtp-Source: AOwi7QDvHcZ5PuY0+4CEcHiJT+4o0g+1CopmBxjwFiYoPiZhNKRbkFjL+6eob/o7fHTEFGpXSk/QKbYOjvWZ5AALvBw= X-Received: by 10.25.19.95 with SMTP id j92mr744378lfi.138.1505994189551; Thu, 21 Sep 2017 04:43:09 -0700 (PDT) MIME-Version: 1.0 From: Kun Cheng Date: Thu, 21 Sep 2017 11:42:58 +0000 Message-ID: To: "xen-devel@lists.xen.org" , xen-users Subject: [Xen-users] About evtchn and netfront/netback changes X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2751668241317190074==" Errors-To: xen-users-bounces@lists.xen.org Sender: "Xen-users" --===============2751668241317190074== Content-Type: multipart/alternative; boundary="001a113f1df8b3c34e0559b19894" --001a113f1df8b3c34e0559b19894 Content-Type: text/plain; charset="UTF-8" Hello guys, I'm porting some legacy code initially developed in Xen 4.0 and Linux 2.6 to longterm support kernels 3.2.93 and 4.4.88, and Xen 4.6 or 4.8 (not decided yet but that's not the key issue). My legacy work involves dealing with event channel and xen-netfront/netback drivers. However, I found a lot of things in Linux 3.2.93 and 4.4.88 are different from Linux 2.6.32. I would be appreciated if anyone knows about detailed API changes (especially the event channel and pv net driver parts). Currently all googling results I found are about linux 2.6 and Xen 4.0/3.x, I will keep digging the devel mailing list. Thanks, Kun --001a113f1df8b3c34e0559b19894 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello guys,

I'm porting so= me legacy code initially developed in Xen 4.0 and Linux 2.6 to longterm sup= port kernels 3.2.93 and 4.4.88, and Xen 4.6 or 4.8 (not decided yet but tha= t's not the key issue). My legacy work involves dealing with event chan= nel and xen-netfront/netback drivers. However, I found a lot of things in L= inux 3.2.93 and 4.4.88 are different from Linux 2.6.32. I would be apprecia= ted if anyone knows about detailed API changes (especially the event channe= l and pv net driver parts). Currently all googling results I found are abou= t linux 2.6 and Xen 4.0/3.x, I will keep digging the devel mailing list.
Thanks,
Kun=C2=A0 =C2=A0
--001a113f1df8b3c34e0559b19894-- --===============2751668241317190074== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLXVzZXJz --===============2751668241317190074==-- From xen-users-bounces@lists.xen.org Thu Sep 28 17:27:38 2017 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 28 Sep 2017 17:27:38 +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 1dxca1-0005DH-Tc; Thu, 28 Sep 2017 17:26:33 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dxcZz-0005Ci-B0; Thu, 28 Sep 2017 17:26:31 +0000 Received: from [193.109.254.147] by server-6.bemta-6.messagelabs.com id 71/EA-03423-6C03DC95; Thu, 28 Sep 2017 17:26:30 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCKsWRWlGSWpSXmKPExsWS0XRdVfeIwdl Ig+UTeS1u3WxltljycTGLxaqrB1gdmD2O7v7NFMAYxZqZl5RfkcCaMWfdNMaCC/EVs0+/Zmxg fB/dxcjFISRwhVFi95XnzF2MnEDOIkaJptO+IDazgKvEjX2b2SBsRYkL9xpYQGxeAUGJkzOfg NkSApoSd96sYgexRQSKJHaeewlmswnoScw9O4kJotdSYv7EU2BzhAW8JHpPTmKHmGMm0T5rCi OIzSKgKrF7wTrGCYw8s5CsnoVk9Swkq2cxcgDFNSXW79KHMKUllv/jgKiWl9j+dg4zhG0lce7 9fCjbXGLh84MsMBOndD9kh7DLJGbsnAVVUywxdepKRmxqfp5pZ4JYVSxx4qQdspIFjPyrGNWL U4vKUot0DfWSijLTM0pyEzNzdA0NzPRyU4uLE9NTcxKTivWS83M3MQJjjQEIdjDufO50iFGSg 0lJlNdA/2ykEF9SfkplRmJxRnxRaU5q8SFGGQ4OJQneDyA5waLU9NSKtMwcYNTDpCU4eJREeK eBpHmLCxJzizPTIVKnGC05jq24+IeJY82860Cy4+bdP0xCLHn5ealS4rwiwNQiJADSkFGaBzc OlpguMcpKCfMyAh0oxFOQWpSbWYIq/4pRnINRSZj3Pchansy8Eritr4AOYgI6aPLEMyAHlSQi pKQaGG2T3ghf7/46k396Sd9s5p+b5izq2s3AlOlYbPxUT0zwhdDS02df/K/lcjmay1LAxPBq7 5U5E/Kyev64Ohl4bp3HnOVy8kCf/mxupjQ1gemTsme3zXziOHv6lHc2k2Z+6JXlPhXze6dn0X 3OFJeyDeIX/z9+sdo1O9yiVWvtjNcPJ3CLeUec/qLEUpyRaKjFXFScCACYmddvRwMAAA== X-Env-Sender: aliasfile-bounces@xenproject.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1506619587!118713002!1 X-Originating-IP: [104.130.215.37] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 35746 invoked from network); 28 Sep 2017 17:26:27 -0000 Received: from mail.xenproject.org (HELO mail.xenproject.org) (104.130.215.37) by server-16.tower-27.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 28 Sep 2017 17:26:27 -0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dxcZo-0000jX-7I; Thu, 28 Sep 2017 17:26:20 +0000 Received: from iwj by xenbits.xenproject.org with local (Exim 4.84_2) (envelope-from ) id 1dxcZo-0000QF-6K; Thu, 28 Sep 2017 17:26:20 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) 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: Thu, 28 Sep 2017 17:26:20 +0000 Cc: "Xen.org security team" Subject: [Xen-users] Xen Security Advisory 245 - ARM: Some memory not scrubbed at boot X-BeenThere: xen-users@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-users-bounces@lists.xen.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-245 ARM: Some memory not scrubbed at boot NOTE REGARDING LACK OF EMBARGO ============================== This bug was discussed publicly before it was realised that it was a security vulnerability. ISSUE DESCRIPTION ================= Data can remain readable in DRAM across soft and even hard reboots. To ensure that sensitive data is not leaked from one domain to another after a reboot, Xen must "scrub" all memory on boot (write it with zeroes). Unfortunately, it was discovered that when memory was in disjoint blocks, or when the first block didn't begin at physical address 0, arithmetic errors meant that some memory was not scrubbed. IMPACT ====== Sensitive information from one domain before a reboot might be visible to another domain after a reboot. VULNERABLE SYSTEMS ================== Only ARM systems are vulnerable. All versions of Xen since 4.5 are vulnerable. Only hardware with disjoint blocks, or physical addresses not starting at 0 are vulnerable; this includes the majority of ARM systems. MITIGATION ========== None. RESOLUTION ========== Applying the appropriate attached patches resolves this issue. xsa245/*.patch All versions of Xen $ sha256sum xsa245* xsa245*/* 121829263b85fcb5eac8e38fb44e77d3aab1dd7ae6ef665bf84bb49e5e161d24 xsa245.meta 526f9e1b127fbb316762ce8e8f4563bc9de0c55a1db581456a3017d570d35bdd xsa245/0001-xen-page_alloc-Cover-memory-unreserved-after-boot-in.patch 7164010112fcccd9cd88e72ace2eeabdb364dd6f4d05c434686267d18067f420 xsa245/0002-xen-arm-Correctly-report-the-memory-region-in-the-du.patch $ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBCAAGBQJZzTANAAoJEIP+FMlX6CvZHk4IAJpF4ruPkFKdCgsQ/ljjrpxO 8CVQFVwxTLtLZGUB1ZP0nFntkT/FnhDo870EmDvjPZTq3MmQwlPwVhgPqmF+tsTC aMecUftEJxHm6cSRLYiIGEphGbJZR6utjTKd7l0ddni5QtnzUED8mE5WFAq4aLrS y8FHuyghE6nwBXEMhRiDYYZ2X0MeMeTisc/0s1Loe002zcpw0RUlmys21Uzzd1Xv t4n5e4RDMLUNpfpY3o4UVWcJJi55Bpxw9ke4IMExlNSbYR5qQeNigDT0CcE1bv6n mNwlADAUKT4t/K1fyk6XJLFIdzHt5NVmN2O9cYKt6voVMu1r1dh3TgiAffAJsxk= =Pi1Y -----END PGP SIGNATURE----- --=separator Content-Type: application/octet-stream; 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