Public bug reported:
server froze at 1am with no obvious extra load or reason at that time.
stack trace
Dec 12 01:02:01 libertushost2 kernel: [6437696.831762] ------------[ cut here
]------------
Dec 12 01:02:01 libertushost2 kernel: [6437696.843334] kernel BUG at
/build/buildd/linux-2.6.32/arch/x86/kvm/mmu.c:635!
Dec 12 01:02:01 libertushost2 kernel: [6437696.866117] invalid opcode: 0000
[#1] SMP
Dec 12 01:02:01 libertushost2 kernel: [6437696.877640] last sysfs file:
/sys/devices/pci0000:00/0000:00:1c.4/0000:06:00.0/irq
Dec 12 01:02:01 libertushost2 kernel: [6437696.899839] CPU 7
Dec 12 01:02:01 libertushost2 kernel: [6437696.910604] Modules linked in: btrfs
zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat
jfs xfs exportfs reiserfs ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4
nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter
ip_tables x_tables kvm_intel kvm bridge stp fbcon tileblit font bitblit
softcursor snd_hda_codec_atihdmi vga16fb vgastate snd_hda_intel snd_hda_codec
radeon f71882fg ttm snd_hwdep snd_pcm drm_kms_helper snd_timer drm snd lp
soundcore snd_page_alloc i2c_algo_bit parport multipath linear aacraid 3w_9xxx
3w_xxxx raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov
raid6_pq async_tx raid1 raid0 ahci r8169 mii sata_nv sata_sil sata_via
Dec 12 01:02:01 libertushost2 kernel: [6437697.008100] Pid: 3958, comm: kvm Not
tainted 2.6.32-41-server #90-Ubuntu MS-7522
Dec 12 01:02:01 libertushost2 kernel: [6437697.027648] RIP:
0010:[<ffffffffa0301370>] [<ffffffffa0301370>] rmap_remove+0x1b0/0x1c0 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.047521] RSP:
0018:ffff8805f8c15a68 EFLAGS: 00010292
Dec 12 01:02:01 libertushost2 kernel: [6437697.057045] RAX: 000000000000003e
RBX: ffff880522331758 RCX: 0000000000000000
Dec 12 01:02:01 libertushost2 kernel: [6437697.074618] RDX: 0000000000000000
RSI: 0000000000000082 RDI: 0000000000000246
Dec 12 01:02:01 libertushost2 kernel: [6437697.093284] RBP: ffff8805f8c15a88
R08: 00000000ffffffff R09: 0000000000000000
Dec 12 01:02:01 libertushost2 kernel: [6437697.111726] R10: 0000000000000000
R11: 0000000000000000 R12: ffff8805f8c10000
Dec 12 01:02:01 libertushost2 kernel: [6437697.130112] R13: 0000000000000000
R14: ffff88043560d420 R15: 00000000000000eb
Dec 12 01:02:01 libertushost2 kernel: [6437697.148973] FS:
00007f6460cae700(0000) GS:ffff880016ee0000(0000) knlGS:0000000000000000
Dec 12 01:02:01 libertushost2 kernel: [6437697.167953] CS: 0010 DS: 002b ES:
002b CR0: 0000000080050033
Dec 12 01:02:01 libertushost2 kernel: [6437697.177741] CR2: 00007f7f2214c088
CR3: 00000005fe51e000 CR4: 00000000000026e0
Dec 12 01:02:01 libertushost2 kernel: [6437697.197519] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
Dec 12 01:02:01 libertushost2 kernel: [6437697.217445] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
Dec 12 01:02:01 libertushost2 kernel: [6437697.237674] Process kvm (pid: 3958,
threadinfo ffff8805f8c14000, task ffff8806124d4500)
Dec 12 01:02:01 libertushost2 kernel: [6437697.258272] Stack:
Dec 12 01:02:01 libertushost2 kernel: [6437697.268478] ffff88043560d420
ffff8805f8c10000 ffff880522331758 0000000000000000
Dec 12 01:02:01 libertushost2 kernel: [6437697.278991] <0> ffff8805f8c15ac8
ffffffffa0301c44 8000000000000163 ffff8805f8c10000
Dec 12 01:02:01 libertushost2 kernel: [6437697.299855] <0> ffff880163a7a0b0
ffff8805f8c13878 0000000000000001 00000000000e0000
Dec 12 01:02:01 libertushost2 kernel: [6437697.330826] Call Trace:
Dec 12 01:02:01 libertushost2 kernel: [6437697.341064] [<ffffffffa0301c44>]
kvm_mmu_zap_page+0x84/0x380 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.351264] [<ffffffffa0302188>]
kvm_mmu_zap_all+0x38/0x70 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.361298] [<ffffffffa02f4856>]
kvm_arch_flush_shadow+0x16/0x30 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.371132] [<ffffffffa02eb421>]
__kvm_set_memory_region+0x6e1/0x770 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.380915] [<ffffffffa02fd444>] ?
kvm_emulate_pio+0x174/0x1c0 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.390602] [<ffffffffa02eb4f3>]
kvm_set_memory_region+0x43/0x70 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.400167] [<ffffffffa02eb53d>]
kvm_vm_ioctl_set_memory_region+0x1d/0x30 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.418680] [<ffffffffa02ec5b2>]
kvm_vm_ioctl+0x282/0x6d0 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.427772] [<ffffffffa0349a6a>] ?
vmx_handle_exit+0xca/0x250 [kvm_intel]
Dec 12 01:02:01 libertushost2 kernel: [6437697.436826] [<ffffffffa03451da>] ?
__vmx_load_host_state+0x1ba/0x220 [kvm_intel]
Dec 12 01:02:01 libertushost2 kernel: [6437697.454628] [<ffffffffa034524e>] ?
vmx_vcpu_put+0xe/0x10 [kvm_intel]
Dec 12 01:02:01 libertushost2 kernel: [6437697.463532] [<ffffffffa02efbbb>] ?
kvm_arch_vcpu_put+0x1b/0x50 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.472292] [<ffffffffa02ebd88>] ?
vcpu_put+0x28/0x30 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.480874] [<ffffffffa02fd544>] ?
kvm_arch_vcpu_ioctl_run+0xb4/0x1d0 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.497542] [<ffffffff8105dd2b>] ?
try_to_wake_up+0x2fb/0x480
Dec 12 01:02:01 libertushost2 kernel: [6437697.505818] [<ffffffff81560cbe>] ?
_spin_lock+0xe/0x20
Dec 12 01:02:01 libertushost2 kernel: [6437697.513944] [<ffffffff81097cc2>] ?
futex_wake+0x112/0x130
Dec 12 01:02:01 libertushost2 kernel: [6437697.521905] [<ffffffff81157442>]
vfs_ioctl+0x22/0xa0
Dec 12 01:02:01 libertushost2 kernel: [6437697.529663] [<ffffffff811575e1>]
do_vfs_ioctl+0x81/0x410
Dec 12 01:02:01 libertushost2 kernel: [6437697.537262] [<ffffffff8109a2eb>] ?
sys_futex+0x7b/0x170
Dec 12 01:02:01 libertushost2 kernel: [6437697.544789] [<ffffffff811579f1>]
sys_ioctl+0x81/0xa0
Dec 12 01:02:01 libertushost2 kernel: [6437697.552340] [<ffffffff81013172>]
system_call_fastpath+0x16/0x1b
Dec 12 01:02:01 libertushost2 kernel: [6437697.559785] Code: 8b 13 48 89 de 48
c7 c7 f0 70 31 a0 31 c0 e8 31 cc 25 e1 0f 0b eb fe 48 8b 13 48 89 de 48 c7 c7
d0 70 31 a0 31 c0 e8 19 cc 25 e1 <0f> 0b eb fe 48 8b 17 48 89 10 eb a8 0f 1f 40
00 55 48 89 e5 41
Dec 12 01:02:01 libertushost2 kernel: [6437697.584534] RIP
[<ffffffffa0301370>] rmap_remove+0x1b0/0x1c0 [kvm]
Dec 12 01:02:01 libertushost2 kernel: [6437697.592030] RSP <ffff8805f8c15a68>
Dec 12 01:02:01 libertushost2 kernel: [6437697.605688] ---[ end trace
2f6d14a31947ff45 ]---
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-43-server 2.6.32-43.97
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.32-43.97-server 2.6.32.59+drm33.24
Uname: Linux 2.6.32-43-server x86_64
Architecture: amd64
Date: Wed Dec 12 12:41:47 2012
Frequency: This has only happened once.
InstallationMedia:
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Colin King (colin-king)
Status: New
** Tags: amd64 apport-bug lucid needs-upstream-testing
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https://bugs.launchpad.net/bugs/1089341
Title:
KVM crash kernel BUG at
/build/buildd/linux-2.6.32/arch/x86/kvm/mmu.c:635!
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