Attaching the libvirt definition of the 2 guests ** Attachment added: "fw guest (OpenBSD 5.5 64bit)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1367932/+attachment/4200959/+files/fw.xml
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1367932 Title: qemu VM crashes the host Status in “linux” package in Ubuntu: Confirmed Bug description: My qemu host keeps crashing every once in a while and this seems to happen when there is some load and/or network traffic happening in the 2 guests it powers. This time I was able to capture a crash trace: Sep 10 16:49:45 ocelot kernel: [204709.569951] general protection fault: 0000 [#1] SMP Sep 10 16:49:45 ocelot kernel: [204709.570004] Modules linked in: vhost_net vhost macvtap macvlan bridge nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables xt_LOG xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conn track nf_conntrack iptable_filter ip_tables x_tables eeepc_wmi asus_wmi sparse_keymap video 8021q garp stp mrp llc radeon kvm_amd kvm ttm drm_kms_helper drm sp5100_tco serio_raw k10temp i2c_algo_bit i2c_piix4 wmi mac_hid configfs n ls_iso8859_1 hid_generic usbhid hid psmouse r8169 mii ahci libahci Sep 10 16:49:45 ocelot kernel: [204709.570337] CPU: 0 PID: 2944 Comm: qemu-system-x86 Not tainted 3.13.0-36-generic #63-Ubuntu Sep 10 16:49:45 ocelot kernel: [204709.570375] Hardware name: System manufacturer System Product Name/C60M1-I, BIOS 0305 08/07/2012 Sep 10 16:49:45 ocelot kernel: [204709.570414] task: ffff8802120f1800 ti: ffff88020f428000 task.ti: ffff88020f428000 Sep 10 16:49:45 ocelot kernel: [204709.570446] RIP: 0010:[<ffffffff81092ef8>] [<ffffffff81092ef8>] preempt_notifier_unregister+0x18/0x40 Sep 10 16:49:45 ocelot kernel: [204709.570497] RSP: 0018:ffff88020f429e00 EFLAGS: 00010206 Sep 10 16:49:45 ocelot kernel: [204709.570523] RAX: 0020000000000000 RBX: ffff88020f430000 RCX: 0000000000000176 Sep 10 16:49:45 ocelot kernel: [204709.572483] RDX: ffff8802120f1a18 RSI: 0000000081730c20 RDI: ffff88020f430008 Sep 10 16:49:45 ocelot kernel: [204709.574491] RBP: ffff88020f429e00 R08: ffffffffa013e180 R09: 0000000000000000 Sep 10 16:49:45 ocelot kernel: [204709.576508] R10: 00ffffffffffffff R11: 0000000000000000 R12: 0000000000000000 Sep 10 16:49:45 ocelot kernel: [204709.578511] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Sep 10 16:49:45 ocelot kernel: [204709.580492] FS: 00007f77aefe2700(0000) GS:ffff88021ec00000(0000) knlGS:0000000000000000 Sep 10 16:49:45 ocelot kernel: [204709.582461] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Sep 10 16:49:45 ocelot kernel: [204709.584402] CR2: 000009f39cad593d CR3: 00000002110b6000 CR4: 00000000000007f0 Sep 10 16:49:45 ocelot kernel: [204709.586351] Stack: Sep 10 16:49:45 ocelot kernel: [204709.588261] ffff88020f429e18 ffffffffa0141d8b ffff88020f430000 ffff88020f429ec0 Sep 10 16:49:45 ocelot kernel: [204709.590194] ffffffffa0141eae ffffffff810d8e51 000000010f429e78 00007f77bf54c000 Sep 10 16:49:45 ocelot kernel: [204709.592119] ffff880212f14a80 00000000000001c0 00007f77bf54c1c0 0000000000000081 Sep 10 16:49:45 ocelot kernel: [204709.594027] Call Trace: Sep 10 16:49:45 ocelot kernel: [204709.595921] [<ffffffffa0141d8b>] vcpu_put+0x1b/0x30 [kvm] Sep 10 16:49:45 ocelot kernel: [204709.597806] [<ffffffffa0141eae>] kvm_vcpu_ioctl+0x10e/0x5b0 [kvm] Sep 10 16:49:45 ocelot kernel: [204709.599645] [<ffffffff810d8e51>] ? futex_wake+0x1b1/0x1d0 Sep 10 16:49:45 ocelot kernel: [204709.601449] [<ffffffff81636f85>] ? sk_run_filter+0x295/0x700 Sep 10 16:49:45 ocelot kernel: [204709.603222] [<ffffffff811d0390>] do_vfs_ioctl+0x2e0/0x4c0 Sep 10 16:49:45 ocelot kernel: [204709.604957] [<ffffffff8110dfa3>] ? __secure_computing+0x73/0x260 Sep 10 16:49:45 ocelot kernel: [204709.606676] [<ffffffff811d05f1>] SyS_ioctl+0x81/0xa0 Sep 10 16:49:45 ocelot kernel: [204709.608358] [<ffffffff8172f1bf>] tracesys+0xe1/0xe6 Sep 10 16:49:45 ocelot kernel: [204709.610003] Code: 05 18 02 00 00 48 89 47 08 5d c3 0f 1f 84 00 00 00 00 00 66 66 66 66 90 48 8b 07 48 8b 57 08 55 48 85 c0 48 89 e5 48 89 02 74 04 <48> 89 50 08 48 b8 00 01 10 00 00 00 ad de 48 89 07 48 b8 00 02 Sep 10 16:49:45 ocelot kernel: [204709.613642] RIP [<ffffffff81092ef8>] preempt_notifier_unregister+0x18/0x40 Sep 10 16:49:45 ocelot kernel: [204709.615392] RSP <ffff88020f429e00> Sep 10 16:49:45 ocelot kernel: [204709.622204] ---[ end trace 8804eab7229156e0 ]--- CPU 0 is powering an OpenBSD 5.5 64 bit guests that is pinned to this CPU. At the time of the crash, the other guest (Trusty 64 bit) was running and pinned on CPU 1. $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 # Note: Even if I run a kernel from -proposed, the crashed happened before. $ apt-cache policy linux-image-3.13.0-36-generic qemu-system-x86 linux-image-3.13.0-36-generic: Installed: 3.13.0-36.63 Candidate: 3.13.0-36.63 Version table: *** 3.13.0-36.63 0 500 http://archive.ubuntu.com/ubuntu/ trusty-proposed/main amd64 Packages 100 /var/lib/dpkg/status qemu-system-x86: Installed: 2.0.0+dfsg-2ubuntu1.3 Candidate: 2.0.0+dfsg-2ubuntu1.3 Version table: *** 2.0.0+dfsg-2ubuntu1.3 0 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu/ trusty-proposed/main amd64 Packages 100 /var/lib/dpkg/status 2.0.0~rc1+dfsg-0ubuntu3 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-36-generic 3.13.0-36.63 ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6 Uname: Linux 3.13.0-36-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 10 16:58 seq crw-rw---- 1 root audio 116, 33 Sep 10 16:58 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.14.1-0ubuntu3.4 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: [Errno 2] No such file or directory: 'iw' Date: Wed Sep 10 17:11:33 2014 HibernationDevice: RESUME=/dev/mapper/vgocelot-swap InstallationDate: Installed on 2014-07-30 (42 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) MachineType: System manufacturer System Product Name PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-36-generic root=/dev/mapper/vgocelot-root ro noswapaccount possible_cpus=2 nodelayacct debug ignore_loglevel RelatedPackageVersions: linux-restricted-modules-3.13.0-36-generic N/A linux-backports-modules-3.13.0-36-generic N/A linux-firmware 1.127.5 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/07/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0305 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: C60M1-I dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0305:bd08/07/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnC60M1-I:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1367932/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
