My Linux box running several KVM/QEmu-proceses did stop work (until reset). In kern.log I found this message: ------------[ cut here ]------------ Nov 27 11:16:57 winserver kernel: [15721.577859] kernel BUG at /home/blank/debian/kernel/release/linux-2.6/linux-2.6-2.6.31/debian/build/source_amd64_none/arch/x86/kvm/mmu.c:582! Nov 27 11:16:57 winserver kernel: [15721.577872] invalid opcode: 0000 [#1] SMP Nov 27 11:16:57 winserver kernel: [15721.577881] last sysfs file: /sys/devices/pci0000:00/0000:00:14.4/0000:02:0f.0/net/eth0/brport/hold_timer Nov 27 11:16:57 winserver kernel: [15721.577892] CPU 0 Nov 27 11:16:57 winserver kernel: [15721.577898] Modules linked in: tcp_diag inet_diag tun ipt_REDIRECT xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables kvm_amd kvm nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc bridge stp loop snd_hda_codec_atihdmi serio_raw evdev snd_pcsp snd_hda_codec_realtek snd_hda_intel snd_hda_codec amd64_edac_mod k8temp edac_core snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc button i2c_piix4 i2c_core processor shpchp pci_hotplug ext3 jbd mbcache sd_mod crc_t10dif ata_generic ide_pci_generic floppy r8169 mii ahci atiixp ehci_hcd ide_core libata ohci_hcd scsi_mod thermal fan thermal_sys [last unloaded: scsi_wait_scan] Nov 27 11:16:57 winserver kernel: [15721.578027] Pid: 3255, comm: qemu-system-x86 Not tainted 2.6.31-1-amd64 #1 GA-MA69GM-S2H Nov 27 11:16:57 winserver kernel: [15721.578038] RIP: 0010:[<ffffffffa038a046>] [<ffffffffa038a046>] rmap_remove+0xd9/0x1de [kvm] Nov 27 11:16:57 winserver kernel: [15721.578065] RSP: 0018:ffff88006dca1a58 EFLAGS: 00010296 Nov 27 11:16:57 winserver kernel: [15721.578072] RAX: 000000000000004b RBX: 000000000007c632 RCX: 0000000000000da0 Nov 27 11:16:57 winserver kernel: [15721.578080] RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000246 Nov 27 11:16:57 winserver kernel: [15721.578087] RBP: ffff880047c8a880 R08: 0000000000000000 R09: 00000000be20ebaa Nov 27 11:16:57 winserver kernel: [15721.578095] R10: 0000000000000000 R11: 00000000000186a0 R12: ffff880003cddad8 Nov 27 11:16:57 winserver kernel: [15721.578103] R13: ffff88006dd44000 R14: ffff880066db2000 R15: ffff880067998299 Nov 27 11:16:57 winserver kernel: [15721.578111] FS: 00000000411b3950(0063) GS:ffff880028034000(0000) knlGS:0000000000000000 Nov 27 11:16:57 winserver kernel: [15721.578122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Nov 27 11:16:57 winserver kernel: [15721.578129] CR2: 0000000002be1000 CR3: 000000004805f000 CR4: 00000000000006f0 Nov 27 11:16:57 winserver kernel: [15721.578136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Nov 27 11:16:57 winserver kernel: [15721.578144] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Nov 27 11:16:57 winserver kernel: [15721.578152] Process qemu-system-x86 (pid: 3255, threadinfo ffff88006dca0000, task ffff8800834dc080) Nov 27 11:16:57 winserver kernel: [15721.578163] Stack: Nov 27 11:16:57 winserver kernel: [15721.578168] ffff880067998299 0000000000000286 00000000be20ebaa ffff880047c8a880 Nov 27 11:16:57 winserver kernel: [15721.578180] <0> ffff880003cddad8 0000000000000110 ffff88006dd44000 ffffffffa038a29a Nov 27 11:16:57 winserver kernel: [15721.578194] <0> 00000000be20ebaa 00007fc54b237000 00000000be20ebaa ffff880067998240 Nov 27 11:16:57 winserver kernel: [15721.578213] Call Trace: Nov 27 11:16:57 winserver kernel: [15721.578230] [<ffffffffa038a29a>] ? kvm_mmu_zap_page+0x67/0x2c1 [kvm] Nov 27 11:16:57 winserver kernel: [15721.578246] [<ffffffffa038ab93>] ? __kvm_mmu_free_some_pages+0x26/0x66 [kvm] Nov 27 11:16:57 winserver kernel: [15721.578262] [<ffffffffa038dad5>] ? paging64_page_fault+0x3d3/0x40a [kvm] Nov 27 11:16:57 winserver kernel: [15721.578279] [<ffffffffa039308b>] ? x86_decode_insn+0x7d0/0xcdd [kvm] Nov 27 11:16:57 winserver kernel: [15721.578295] [<ffffffffa038df30>] ? kvm_mmu_page_fault+0x29/0xa8 [kvm] Nov 27 11:16:57 winserver kernel: [15721.578312] [<ffffffffa0386e47>] ? kvm_arch_vcpu_ioctl_run+0x8c5/0xb36 [kvm] Nov 27 11:16:57 winserver kernel: [15721.578323] [<ffffffff81123865>] ? touch_atime+0x12a/0x148 Nov 27 11:16:57 winserver kernel: [15721.578333] [<ffffffff81049f46>] ? update_curr+0x51/0x136 Nov 27 11:16:57 winserver kernel: [15721.578349] [<ffffffffa037f8b3>] ? kvm_vm_ioctl+0xafe/0xb65 [kvm] Nov 27 11:16:57 winserver kernel: [15721.578357] [<ffffffff8104bd7a>] ? enqueue_task_fair+0x34/0xa3 Nov 27 11:16:57 winserver kernel: [15721.578366] [<ffffffff81044a71>] ? wakeup_preempt_entity+0xa8/0xcc Nov 27 11:16:57 winserver kernel: [15721.578374] [<ffffffff8104a2f3>] ? check_preempt_wakeup+0x17e/0x1e4 Nov 27 11:16:57 winserver kernel: [15721.578383] [<ffffffff810802be>] ? getnstimeofday+0x65/0xd7 Nov 27 11:16:57 winserver kernel: [15721.578398] [<ffffffffa037c85d>] ? kvm_vcpu_ioctl+0x101/0x4ff [kvm] Nov 27 11:16:57 winserver kernel: [15721.578407] [<ffffffff8107a1e6>] ? ktime_get+0x1c/0x66 Nov 27 11:16:57 winserver kernel: [15721.578416] [<ffffffff8102945d>] ? lapic_next_event+0x28/0x44 Nov 27 11:16:57 winserver kernel: [15721.578424] [<ffffffff8108441a>] ? tick_dev_program_event+0x41/0xc2 Nov 27 11:16:57 winserver kernel: [15721.578433] [<ffffffff8111d8cd>] ? vfs_ioctl+0x35/0x97 Nov 27 11:16:57 winserver kernel: [15721.578441] [<ffffffff8111de67>] ? do_vfs_ioctl+0x49d/0x4f2 Nov 27 11:16:57 winserver kernel: [15721.578449] [<ffffffff810755d9>] ? common_timer_get+0xbb/0xe7 Nov 27 11:16:57 winserver kernel: [15721.578457] [<ffffffff810119ee>] ? apic_timer_interrupt+0xe/0x20 Nov 27 11:16:57 winserver kernel: [15721.578468] [<ffffffffa03ad406>] ? io_interception+0x0/0xb0 [kvm_amd] Nov 27 11:16:57 winserver kernel: [15721.578476] [<ffffffff8111df1d>] ? sys_ioctl+0x61/0x95 Nov 27 11:16:57 winserver kernel: [15721.578485] [<ffffffff81010e42>] ? system_call_fastpath+0x16/0x1b Nov 27 11:16:57 winserver kernel: [15721.578492] Code: 80 00 00 00 48 8b 34 c1 e8 d5 fe ff ff 49 89 c1 48 8b 00 48 85 c0 75 17 48 8b 55 00 48 89 ee 48 c7 c7 40 9d 39 a0 e8 ea 2e 00 e1 <0f> 0b eb fe a8 01 75 2a 48 39 c5 74 19 48 8b 55 00 48 89 ee 48 Nov 27 11:16:57 winserver kernel: [15721.578572] RIP [<ffffffffa038a046>] rmap_remove+0xd9/0x1de [kvm] Nov 27 11:16:57 winserver kernel: [15721.578589] RSP <ffff88006dca1a58> Nov 27 11:16:57 winserver kernel: [15721.578837] ---[ end trace 0a364f3a3a6292f6 ]--- -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
