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Date: Thu, 19 Aug 2010 12:58:23 +0300 From: Avi Kivity <avi@...hat.com> To: Sergey Senozhatsky <sergey.senozhatsky@...il.com> CC: Marcelo Tosatti <mtosatti@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, x86@...nel.org, Gleb Natapov <gleb@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978 On 08/19/2010 12:54 PM, Sergey Senozhatsky wrote: > Hello, > > Got this trace (while echo 1> /sys/devices/system/cpu/cpu3/online): > > [ 313.320295] lockdep: fixing up alternatives. > [ 313.320303] SMP alternatives: switching to SMP code > [ 313.331090] Booting Node 0 Processor 3 APIC 0x5 > [ 313.487258] kvm: enabling virtualization on CPU3 > [ 313.487326] NMI watchdog enabled, takes one hw-pmu counter. > [ 313.489627] coretemp coretemp.3: TjMax is 105 C. > [ 315.344223] lockdep: fixing up alternatives. > [ 315.344236] Booting Node 0 Processor 2 APIC 0x4 > [ 315.487292] ------------[ cut here ]------------ > [ 315.487322] kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978! > [ 315.487352] invalid opcode: 0000 [#1] PREEMPT SMP > [ 315.487388] last sysfs file: /sys/devices/system/cpu/cpu2/online > [ 315.487415] CPU 2 > [ 315.487425] Modules linked in: kvm_intel kvm ipv6 snd_seq_dummy ac battery snd_seq_oss snd_seq_midi_event snd_hwdep snd_seq snd_seq_device wmi usbhid hid snd_hda_codec_atihdmi radeon button snd_hda_codec_realtek snd_pcm_oss > snd_mixer_oss snd_hda_intel snd_hda_codec snd_pcm snd_timer snd soundcore snd_page_alloc broadcom tg3 libphy psmouse serio_raw evdev ttm drm_kms_helper ehci_hcd sr_mod usbcore cdrom sd_mod ahci libahci > [ 315.487728] > [ 315.487739] Pid: 27687, comm: qemu-kvm Not tainted 2.6.36-rc1-dbg-git2-00264-gd5a1964-dirty #134 Aspire 5741G /Aspire 5741G > [ 315.487787] RIP: 0010:[<ffffffffa02f2446>] [<ffffffffa02f2446>] kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 315.487839] RSP: 0000:ffff88013c333b18 EFLAGS: 00010246 > [ 315.487863] RAX: ffff88013c333b40 RBX: ffff88012dcb0000 RCX: ffff88010c7e9000 > [ 315.487893] RDX: ffff880002280000 RSI: ffff8801563e8728 RDI: ffff88010c7e9000 > [ 315.487922] RBP: ffff88013c333b18 R08: ffff880002213cd0 R09: 00000000000003c7 > [ 315.487952] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000002 > [ 315.487982] R13: ffff88010c7e9000 R14: ffff8801563e8000 R15: 0000000000000000 > [ 315.488012] FS: 00007f15014be710(0000) GS:ffff880002280000(0000) knlGS:0000000000000000 > [ 315.488046] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b > [ 315.488070] CR2: 0000000000000000 CR3: 0000000154b42000 CR4: 00000000000006e0 > [ 315.488100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 315.488130] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 315.488160] Process qemu-kvm (pid: 27687, threadinfo ffff88013c332000, task ffff8801563e8000) > [ 315.488194] Stack: > [ 315.488205] ffff88013c333b68 ffffffffa026d0a2 ffff88013c333b58 ffffffff81062e91 > [ 315.488244]<0> ffff8801563e8000 000000010c7e9000 ffff880157d78000 ffff88012dcb0000 > [ 315.488290]<0> 0000000000000002 0000000000014240 ffff88013c333b98 ffffffffa02fb4cc > [ 315.488337] Call Trace: > [ 315.488353] [<ffffffffa026d0a2>] vmx_vcpu_load+0x90/0x1a0 [kvm_intel] > [ 315.488384] [<ffffffff81062e91>] ? mark_held_locks+0x50/0x72 > [ 315.488415] [<ffffffffa02fb4cc>] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 315.488446] [<ffffffffa02f2cd8>] kvm_sched_in+0xd/0xf [kvm] > [ 315.488474] [<ffffffff8102de1f>] finish_task_switch+0x90/0xd7 > [ 315.488500] [<ffffffff8102dd8f>] ? finish_task_switch+0x0/0xd7 > [ 315.488529] [<ffffffff81373381>] schedule+0x81d/0x8f2 > [ 315.488553] [<ffffffff81062e91>] ? mark_held_locks+0x50/0x72 > [ 315.488584] [<ffffffffa030d82c>] ? kvm_cpu_has_interrupt+0x3a/0x56 [kvm] > [ 315.488617] [<ffffffffa02f5057>] kvm_vcpu_block+0x8e/0xa9 [kvm] > [ 315.488645] [<ffffffff81052dbd>] ? autoremove_wake_function+0x0/0x34 > [ 315.488678] [<ffffffffa030024d>] kvm_arch_vcpu_ioctl_run+0x97d/0xca0 [kvm] > [ 315.488712] [<ffffffffa030016a>] ? kvm_arch_vcpu_ioctl_run+0x89a/0xca0 [kvm] > [ 315.488743] [<ffffffff813747d1>] ? mutex_lock_nested+0x2f3/0x31b > [ 315.488771] [<ffffffff8103441b>] ? sub_preempt_count+0x92/0xa5 > [ 315.488800] [<ffffffffa02f4164>] kvm_vcpu_ioctl+0x113/0x4e9 [kvm] > [ 315.488829] [<ffffffff81376247>] ? _raw_spin_unlock_irq+0x3c/0x59 > [ 315.488859] [<ffffffff810e8d5b>] do_vfs_ioctl+0x4c1/0x502 > [ 315.488885] [<ffffffff810dc496>] ? fget_light+0xe0/0xf8 > [ 315.488909] [<ffffffff810dc408>] ? fget_light+0x52/0xf8 > [ 315.490162] [<ffffffff810e8ded>] sys_ioctl+0x51/0x74 > [ 315.491403] [<ffffffff81002002>] system_call_fastpath+0x16/0x1b > [ 315.492649] Code: 2f 02 00 85 c0 75 13 ba 01 00 00 00 31 f6 48 c7 c7 bb 27 2f a0 e8 6a db d4 e0 c9 c3 55 80 3d 59 2f 02 00 00 48 89 e5 74 02 eb fe<0f> 0b 55 48 89 e5 53 48 89 f3 48 83 ec 08 48 8b 87 90 00 00 00 > [ 315.495975] RIP [<ffffffffa02f2446>] kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 315.498317] RSP<ffff88013c333b18> > [ 315.510526] ---[ end trace ac38cfaaa84a0bdf ]--- > [ 315.510763] kvm: enabling virtualization on CPU2 > [ 315.513518] note: qemu-kvm[27687] exited with preempt_count 1 > [ 315.514858] NMI watchdog enabled, takes one hw-pmu counter. > > What kernel is this? -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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