Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756260Ab0H3Rjx (ORCPT ); Mon, 30 Aug 2010 13:39:53 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:59512 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753492Ab0H3Rjw (ORCPT ); Mon, 30 Aug 2010 13:39:52 -0400 From: "Rafael J. Wysocki" To: Sergey Senozhatsky Subject: Re: [Bug #16961] kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978 Date: Mon, 30 Aug 2010 19:38:53 +0200 User-Agent: KMail/1.13.5 (Linux/2.6.36-rc3-rjw+; KDE/4.4.4; x86_64; ; ) Cc: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Avi Kivity References: <4LwrqITm-eJ.A.r8G.eFueMB@chimera> <4AUWBNzTkbD.A.qb.EGueMB@chimera> <20100830085539.GA5244@swordfish.minsk.epam.com> In-Reply-To: <20100830085539.GA5244@swordfish.minsk.epam.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Message-Id: <201008301938.53454.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 17208 Lines: 261 On Monday, August 30, 2010, Sergey Senozhatsky wrote: > On (08/30/10 00:36), Rafael J. Wysocki wrote: > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16961 > > Subject : kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978 > > Submitter : Sergey Senozhatsky > > Date : 2010-08-19 9:54 (11 days old) > > Message-ID : <20100819095429.GA5201@swordfish.minsk.epam.com> > > References : http://marc.info/?l=linux-kernel&m=128221169606214&w=2 > > Handled-By : Avi Kivity > > > > Hello, > .36-rc3 I take this as "still present". You've sent the stack traces once, there's no need to do that again and again (unless something has changed substantially). Thanks, Rafael > [ 2913.218767] kvm: disabling virtualization on CPU1 > [ 2913.219078] CPU 1 is now offline > [ 2913.221758] lockdep: fixing up alternatives. > [ 2913.221814] Booting Node 0 Processor 1 APIC 0x1 > [ 2913.363980] ------------[ cut here ]------------ > [ 2913.364042] kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978! > [ 2913.364107] invalid opcode: 0000 [#1] PREEMPT SMP > [ 2913.364173] last sysfs file: /sys/devices/system/cpu/cpu1/online > [ 2913.364262] CPU 1 > [ 2913.364285] Modules linked in: kvm_intel kvm ipv6 ac battery snd_seq_dummy snd_seq_oss snd_seq_midi_event wmi snd_seq snd_seq_device snd_hda_codec_atihdmi button snd_hda_codec_realtek psmouse serio_raw snd_hda_intel snd_hda_codec > snd_hwdep snd_pcm_oss snd_pcm broadcom snd_timer usbhid hid tg3 libphy snd_page_alloc evdev snd_mixer_oss snd soundcore ehci_hcd sr_mod usbcore cdrom sd_mod ahci libahci > [ 2913.364784] > [ 2913.364805] Pid: 5912, comm: qemu-kvm Not tainted 2.6.36-rc3-dbg-00144-gb958348-dirty #144 Aspire 5741G /Aspire 5741G > [ 2913.364965] RIP: 0010:[] [] kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.365073] RSP: 0000:ffff880150b87b18 EFLAGS: 00010246 > [ 2913.365128] RAX: ffff880150b87b40 RBX: ffff8801534fc000 RCX: ffff880154e75000 > [ 2913.365225] RDX: ffff880002640000 RSI: ffff880154e4e638 RDI: ffff880154e75000 > [ 2913.365292] RBP: ffff880150b87b18 R08: 0000000000000001 R09: 000000000000039c > [ 2913.365357] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 > [ 2913.365422] R13: ffff880154e75000 R14: ffff880154e4df10 R15: 0000000000000000 > [ 2913.365489] FS: 00007f23062c6710(0000) GS:ffff880002640000(0000) knlGS:0000000000000000 > [ 2913.365563] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b > [ 2913.365617] CR2: 0000000000000000 CR3: 000000015544d000 CR4: 00000000000006e0 > [ 2913.365682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 2913.365747] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 2913.365813] Process qemu-kvm (pid: 5912, threadinfo ffff880150b86000, task ffff880154e4df10) > [ 2913.365929] Stack: > [ 2913.365953] ffff880150b87b68 ffffffffa02660a2 ffff880150b87b58 ffffffff81063240 > [ 2913.366034] <0> ffff880154e4df10 0000000154e75000 ffff880157d55f10 ffff8801534fc000 > [ 2913.366132] <0> 0000000000000001 0000000000014200 ffff880150b87b98 ffffffffa022c4cc > [ 2913.366255] Call Trace: > [ 2913.366288] [] vmx_vcpu_load+0x90/0x1a0 [kvm_intel] > [ 2913.366355] [] ? mark_held_locks+0x50/0x72 > [ 2913.366422] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.366490] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.366547] [] finish_task_switch+0x90/0xd7 > [ 2913.366604] [] ? finish_task_switch+0x0/0xd7 > [ 2913.366663] [] schedule+0x81d/0x8f2 > [ 2913.366715] [] ? mark_held_locks+0x50/0x72 > [ 2913.366781] [] ? kvm_cpu_has_interrupt+0x3a/0x56 [kvm] > [ 2913.366876] [] kvm_vcpu_block+0x8e/0xa9 [kvm] > [ 2913.366956] [] ? autoremove_wake_function+0x0/0x34 > [ 2913.367029] [] kvm_arch_vcpu_ioctl_run+0x97d/0xc9f [kvm] > [ 2913.367104] [] ? kvm_arch_vcpu_ioctl_run+0x89a/0xc9f [kvm] > [ 2913.367210] [] ? __mutex_unlock_slowpath+0x111/0x13d > [ 2913.367276] [] ? sub_preempt_count+0x92/0xa5 > [ 2913.367341] [] kvm_vcpu_ioctl+0x113/0x4e9 [kvm] > [ 2913.367401] [] ? schedule+0x8a3/0x8f2 > [ 2913.367458] [] do_vfs_ioctl+0x4c1/0x502 > [ 2913.367515] [] ? fget_light+0xe0/0xf8 > [ 2913.367568] [] ? fget_light+0x52/0xf8 > [ 2913.369987] [] sys_ioctl+0x51/0x74 > [ 2913.372394] [] system_call_fastpath+0x16/0x1b > [ 2913.374739] Code: 2f 02 00 85 c0 75 13 ba 01 00 00 00 31 f6 48 c7 c7 bb 37 22 a0 e8 76 ce e1 e0 c9 c3 55 80 3d 79 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 98 00 00 00 > [ 2913.380357] RIP [] kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.383084] RSP > [ 2913.397343] ---[ end trace 9564e615f538c7b1 ]--- > [ 2913.399336] kvm: enabling virtualization on CPU1 > [ 2913.402446] note: qemu-kvm[5912] exited with preempt_count 1 > [ 2913.404860] NMI watchdog enabled, takes one hw-pmu counter. > [ 2913.404918] vmwrite error: reg 6c0a value ffff880002650dc0 (err 40177088) > [ 2913.404924] Pid: 5912, comm: qemu-kvm Tainted: G D 2.6.36-rc3-dbg-00144-gb958348-dirty #144 > [ 2913.404928] Call Trace: > [ 2913.404937] [] vmwrite_error+0x32/0x37 [kvm_intel] > [ 2913.404944] [] vmcs_writel+0x19/0x1b [kvm_intel] > [ 2913.404951] [] vmx_vcpu_load+0x135/0x1a0 [kvm_intel] > [ 2913.404958] [] ? finish_task_switch+0x0/0xd7 > [ 2913.404974] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.404985] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.404990] [] finish_task_switch+0x90/0xd7 > [ 2913.404995] [] ? finish_task_switch+0x0/0xd7 > [ 2913.405002] [] schedule+0x81d/0x8f2 > [ 2913.405010] [] ? do_raw_spin_unlock+0x8f/0x98 > [ 2913.405016] [] __cond_resched+0x13/0x1f > [ 2913.405022] [] __cond_resched_lock+0x7c/0x96 > [ 2913.405028] [] ? __shrink_dcache_sb+0x253/0x2da > [ 2913.405034] [] ? d_kill+0x64/0x6c > [ 2913.405039] [] __shrink_dcache_sb+0x264/0x2da > [ 2913.405046] [] shrink_dcache_parent+0x37/0x136 > [ 2913.405053] [] proc_flush_task+0xb2/0x2b2 > [ 2913.405060] [] release_task+0x7f/0x3ec > [ 2913.405066] [] ? release_task+0x20/0x3ec > [ 2913.405071] [] do_exit+0x659/0x6c4 > [ 2913.405079] [] oops_end+0x97/0x9c > [ 2913.405084] [] die+0x55/0x5e > [ 2913.405089] [] do_trap+0x11c/0x12b > [ 2913.405094] [] ? do_invalid_op+0x72/0xa5 > [ 2913.405102] [] do_invalid_op+0x9c/0xa5 > [ 2913.405119] [] ? kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.405130] [] ? trace_hardirqs_off_thunk+0x3a/0x3c > [ 2913.405139] [] ? irq_return+0x0/0xc > [ 2913.405149] [] invalid_op+0x1b/0x20 > [ 2913.405166] [] ? kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.405181] [] vmx_vcpu_load+0x90/0x1a0 [kvm_intel] > [ 2913.405189] [] ? mark_held_locks+0x50/0x72 > [ 2913.405204] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.405215] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.405221] [] finish_task_switch+0x90/0xd7 > [ 2913.405227] [] ? finish_task_switch+0x0/0xd7 > [ 2913.405234] [] schedule+0x81d/0x8f2 > [ 2913.405240] [] ? mark_held_locks+0x50/0x72 > [ 2913.405255] [] ? kvm_cpu_has_interrupt+0x3a/0x56 [kvm] > [ 2913.405269] [] kvm_vcpu_block+0x8e/0xa9 [kvm] > [ 2913.405276] [] ? autoremove_wake_function+0x0/0x34 > [ 2913.405292] [] kvm_arch_vcpu_ioctl_run+0x97d/0xc9f [kvm] > [ 2913.405306] [] ? kvm_arch_vcpu_ioctl_run+0x89a/0xc9f [kvm] > [ 2913.405313] [] ? __mutex_unlock_slowpath+0x111/0x13d > [ 2913.405321] [] ? sub_preempt_count+0x92/0xa5 > [ 2913.405334] [] kvm_vcpu_ioctl+0x113/0x4e9 [kvm] > [ 2913.405341] [] ? schedule+0x8a3/0x8f2 > [ 2913.405348] [] do_vfs_ioctl+0x4c1/0x502 > [ 2913.405354] [] ? fget_light+0xe0/0xf8 > [ 2913.405360] [] ? fget_light+0x52/0xf8 > [ 2913.405366] [] sys_ioctl+0x51/0x74 > [ 2913.405373] [] system_call_fastpath+0x16/0x1b > [ 2913.405378] vmwrite error: reg 6c0c value ffff880002644000 (err 40124416) > [ 2913.405384] Pid: 5912, comm: qemu-kvm Tainted: G D 2.6.36-rc3-dbg-00144-gb958348-dirty #144 > [ 2913.405388] Call Trace: > [ 2913.405395] [] vmwrite_error+0x32/0x37 [kvm_intel] > [ 2913.405402] [] vmcs_writel+0x19/0x1b [kvm_intel] > [ 2913.405410] [] vmx_vcpu_load+0x147/0x1a0 [kvm_intel] > [ 2913.405417] [] ? finish_task_switch+0x0/0xd7 > [ 2913.405432] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.405444] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.405450] [] finish_task_switch+0x90/0xd7 > [ 2913.405455] [] ? finish_task_switch+0x0/0xd7 > [ 2913.405461] [] schedule+0x81d/0x8f2 > [ 2913.405469] [] ? do_raw_spin_unlock+0x8f/0x98 > [ 2913.405475] [] __cond_resched+0x13/0x1f > [ 2913.405482] [] __cond_resched_lock+0x7c/0x96 > [ 2913.405489] [] ? __shrink_dcache_sb+0x253/0x2da > [ 2913.405495] [] ? d_kill+0x64/0x6c > [ 2913.405501] [] __shrink_dcache_sb+0x264/0x2da > [ 2913.405508] [] shrink_dcache_parent+0x37/0x136 > [ 2913.405515] [] proc_flush_task+0xb2/0x2b2 > [ 2913.405522] [] release_task+0x7f/0x3ec > [ 2913.405528] [] ? release_task+0x20/0x3ec > [ 2913.405534] [] do_exit+0x659/0x6c4 > [ 2913.405540] [] oops_end+0x97/0x9c > [ 2913.405545] [] die+0x55/0x5e > [ 2913.405550] [] do_trap+0x11c/0x12b > [ 2913.405556] [] ? do_invalid_op+0x72/0xa5 > [ 2913.405561] [] do_invalid_op+0x9c/0xa5 > [ 2913.405572] [] ? kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.405580] [] ? trace_hardirqs_off_thunk+0x3a/0x3c > [ 2913.405586] [] ? irq_return+0x0/0xc > [ 2913.405592] [] invalid_op+0x1b/0x20 > [ 2913.405603] [] ? kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.405612] [] vmx_vcpu_load+0x90/0x1a0 [kvm_intel] > [ 2913.405618] [] ? mark_held_locks+0x50/0x72 > [ 2913.405634] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.405645] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.405651] [] finish_task_switch+0x90/0xd7 > [ 2913.405657] [] ? finish_task_switch+0x0/0xd7 > [ 2913.405664] [] schedule+0x81d/0x8f2 > [ 2913.405670] [] ? mark_held_locks+0x50/0x72 > [ 2913.405686] [] ? kvm_cpu_has_interrupt+0x3a/0x56 [kvm] > [ 2913.405699] [] kvm_vcpu_block+0x8e/0xa9 [kvm] > [ 2913.405706] [] ? autoremove_wake_function+0x0/0x34 > [ 2913.405721] [] kvm_arch_vcpu_ioctl_run+0x97d/0xc9f [kvm] > [ 2913.405736] [] ? kvm_arch_vcpu_ioctl_run+0x89a/0xc9f [kvm] > [ 2913.405743] [] ? __mutex_unlock_slowpath+0x111/0x13d > [ 2913.405750] [] ? sub_preempt_count+0x92/0xa5 > [ 2913.405764] [] kvm_vcpu_ioctl+0x113/0x4e9 [kvm] > [ 2913.405773] [] ? schedule+0x8a3/0x8f2 > [ 2913.405784] [] do_vfs_ioctl+0x4c1/0x502 > [ 2913.405793] [] ? fget_light+0xe0/0xf8 > [ 2913.405802] [] ? fget_light+0x52/0xf8 > [ 2913.405810] [] sys_ioctl+0x51/0x74 > [ 2913.405819] [] system_call_fastpath+0x16/0x1b > [ 2913.405828] vmwrite error: reg 6c10 value 0 (err 0) > [ 2913.405834] Pid: 5912, comm: qemu-kvm Tainted: G D 2.6.36-rc3-dbg-00144-gb958348-dirty #144 > [ 2913.405839] Call Trace: > [ 2913.405849] [] vmwrite_error+0x32/0x37 [kvm_intel] > [ 2913.405861] [] vmcs_writel+0x19/0x1b [kvm_intel] > [ 2913.405873] [] vmx_vcpu_load+0x164/0x1a0 [kvm_intel] > [ 2913.405895] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.405907] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.405915] [] finish_task_switch+0x90/0xd7 > [ 2913.405921] [] ? finish_task_switch+0x0/0xd7 > [ 2913.405927] [] schedule+0x81d/0x8f2 > [ 2913.405934] [] ? do_raw_spin_unlock+0x8f/0x98 > [ 2913.405941] [] __cond_resched+0x13/0x1f > [ 2913.405948] [] __cond_resched_lock+0x7c/0x96 > [ 2913.405955] [] ? __shrink_dcache_sb+0x253/0x2da > [ 2913.405961] [] ? d_kill+0x64/0x6c > [ 2913.405967] [] __shrink_dcache_sb+0x264/0x2da > [ 2913.405973] [] shrink_dcache_parent+0x37/0x136 > [ 2913.405980] [] proc_flush_task+0xb2/0x2b2 > [ 2913.405986] [] release_task+0x7f/0x3ec > [ 2913.405992] [] ? release_task+0x20/0x3ec > [ 2913.405998] [] do_exit+0x659/0x6c4 > [ 2913.406004] [] oops_end+0x97/0x9c > [ 2913.406009] [] die+0x55/0x5e > [ 2913.406014] [] do_trap+0x11c/0x12b > [ 2913.406019] [] ? do_invalid_op+0x72/0xa5 > [ 2913.406026] [] do_invalid_op+0x9c/0xa5 > [ 2913.406036] [] ? kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.406043] [] ? trace_hardirqs_off_thunk+0x3a/0x3c > [ 2913.406050] [] ? irq_return+0x0/0xc > [ 2913.406058] [] invalid_op+0x1b/0x20 > [ 2913.406076] [] ? kvm_handle_fault_on_reboot+0xf/0x11 [kvm] > [ 2913.406089] [] vmx_vcpu_load+0x90/0x1a0 [kvm_intel] > [ 2913.406098] [] ? mark_held_locks+0x50/0x72 > [ 2913.406121] [] kvm_arch_vcpu_load+0x73/0xbb [kvm] > [ 2913.406136] [] kvm_sched_in+0xd/0xf [kvm] > [ 2913.406142] [] finish_task_switch+0x90/0xd7 > [ 2913.406147] [] ? finish_task_switch+0x0/0xd7 > [ 2913.406153] [] schedule+0x81d/0x8f2 > [ 2913.406158] [] ? mark_held_locks+0x50/0x72 > [ 2913.406173] [] ? kvm_cpu_has_interrupt+0x3a/0x56 [kvm] > [ 2913.406186] [] kvm_vcpu_block+0x8e/0xa9 [kvm] > [ 2913.406191] [] ? autoremove_wake_function+0x0/0x34 > [ 2913.406206] [] kvm_arch_vcpu_ioctl_run+0x97d/0xc9f [kvm] > [ 2913.406220] [] ? kvm_arch_vcpu_ioctl_run+0x89a/0xc9f [kvm] > [ 2913.406226] [] ? __mutex_unlock_slowpath+0x111/0x13d > [ 2913.406233] [] ? sub_preempt_count+0x92/0xa5 > [ 2913.406245] [] kvm_vcpu_ioctl+0x113/0x4e9 [kvm] > [ 2913.406250] [] ? schedule+0x8a3/0x8f2 > [ 2913.406257] [] do_vfs_ioctl+0x4c1/0x502 > [ 2913.406262] [] ? fget_light+0xe0/0xf8 > [ 2913.406267] [] ? fget_light+0x52/0xf8 > [ 2913.406273] [] sys_ioctl+0x51/0x74 > [ 2913.406279] [] system_call_fastpath+0x16/0x1b > [ 2913.749804] kvm: disabling virtualization on CPU2 > [ 2913.749831] CPU 2 is now offline > [ 2913.751880] lockdep: fixing up alternatives. > [ 2913.753457] Booting Node 0 Processor 2 APIC 0x4 > [ 2913.918676] kvm: enabling virtualization on CPU2 > [ 2913.920349] NMI watchdog enabled, takes one hw-pmu counter. > [ 2913.922404] coretemp coretemp.2: TjMax is 105 C. > [ 2913.952819] kvm: disabling virtualization on CPU1 > [ 2913.953052] CPU 1 is now offline -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/