I forgot to add that a hard reset is required to recover from the error... Oops... Just noticed that I erroneusly posted the same snippet from kern.log twice... Another example:
May 11 13:33:47 andromeda kernel: [97434.661056] Bad page state in process 'kvm' May 11 13:33:47 andromeda kernel: [97434.661057] page:ffff81007fdd44d8 flags:0x0100000000000014 mapping:0000000000000000 mapcount:1 count:0 May 11 13:33:47 andromeda kernel: [97434.661058] Trying to fix it up, but a reboot is needed May 11 13:33:47 andromeda kernel: [97434.661059] Backtrace: May 11 13:33:47 andromeda kernel: [97434.661065] Pid: 21914, comm: kvm Tainted: P 2.6.24-16-generic #1 May 11 13:33:47 andromeda kernel: [97434.661067] May 11 13:33:47 andromeda kernel: [97434.661067] Call Trace: May 11 13:33:47 andromeda kernel: [97434.661091] [bad_page+0x60/0xa0] bad_page+0x60/0xa0 May 11 13:33:47 andromeda kernel: [97434.661096] [free_hot_cold_page+0x18c/0x1a0] free_hot_cold_page+0x18c/0x1a0 May 11 13:33:47 andromeda kernel: [97434.661110] [kvm:rmap_remove+0xd8/0x1e0] :kvm:rmap_remove+0xd8/0x1e0 May 11 13:33:47 andromeda kernel: [97434.661120] [kvm:kvm_mmu_zap_page+0x2a4/0x2b0] :kvm:kvm_mmu_zap_page+0x2a4/0x2b0 May 11 13:33:47 andromeda kernel: [97434.661131] [kvm:kvm_mmu_pte_write+0x193/0x840] :kvm:kvm_mmu_pte_write+0x193/0x840 May 11 13:33:47 andromeda kernel: [97434.661135] [__up_read+0x21/0xb0] __up_read+0x21/0xb0 May 11 13:33:47 andromeda kernel: [97434.661145] [kvm:mark_page_dirty+0x24/0x60] :kvm:mark_page_dirty+0x24/0x60 May 11 13:33:47 andromeda kernel: [97434.661165] [kvm:emulator_write_emulated_onepage+0xcd/0x170] :kvm:emulator_write_emulated_onepage+0xcd/0x170 May 11 13:33:47 andromeda kernel: [97434.661176] [kvm:x86_emulate_insn+0x3ba/0x4270] :kvm:x86_emulate_insn+0x3ba/0x4270 May 11 13:33:47 andromeda kernel: [97434.661191] [kvm:emulate_instruction+0x1b6/0x330] :kvm:emulate_instruction+0x1b6/0x330 May 11 13:33:47 andromeda kernel: [97434.661202] [kvm:kvm_mmu_page_fault+0x58/0x90] :kvm:kvm_mmu_page_fault+0x58/0x90 May 11 13:33:47 andromeda kernel: [97434.661213] [kvm:kvm_arch_vcpu_ioctl_run+0x147/0x620] :kvm:kvm_arch_vcpu_ioctl_run+0x147/0x620 May 11 13:33:47 andromeda kernel: [97434.661223] [kvm:kvm_vcpu_ioctl+0x33d/0x350] :kvm:kvm_vcpu_ioctl+0x33d/0x350 May 11 13:33:47 andromeda kernel: [97434.661233] [do_wp_page+0x23f/0x510] do_wp_page+0x23f/0x510 May 11 13:33:47 andromeda kernel: [97434.661243] [handle_mm_fault+0x594/0x7b0] handle_mm_fault+0x594/0x7b0 May 11 13:33:47 andromeda kernel: [97434.661251] [add_partial_tail+0x19/0x60] add_partial_tail+0x19/0x60 May 11 13:33:47 andromeda kernel: [97434.661255] [__up_read+0x21/0xb0] __up_read+0x21/0xb0 May 11 13:33:47 andromeda kernel: [97434.661265] [kvm:kvm_vm_ioctl+0x85/0x200] :kvm:kvm_vm_ioctl+0x85/0x200 May 11 13:33:47 andromeda kernel: [97434.661278] [do_ioctl+0x2f/0xa0] do_ioctl+0x2f/0xa0 May 11 13:33:47 andromeda kernel: [97434.661282] [vfs_ioctl+0x220/0x2c0] vfs_ioctl+0x220/0x2c0 May 11 13:33:47 andromeda kernel: [97434.661289] [sys_ioctl+0x91/0xb0] sys_ioctl+0x91/0xb0 May 11 13:33:47 andromeda kernel: [97434.661297] [system_call+0x7e/0x83] system_call+0x7e/0x83 May 11 13:33:47 andromeda kernel: [97434.661308] May 11 13:33:47 andromeda kernel: [97434.663712] Bad page state in process 'kvm' May 11 13:33:47 andromeda kernel: [97434.663713] page:ffff81007fdd44d8 flags:0x0100000000000004 mapping:0000000000000000 mapcount:0 count:1 May 11 13:33:47 andromeda kernel: [97434.663714] Trying to fix it up, but a reboot is needed May 11 13:33:47 andromeda kernel: [97434.663715] Backtrace: May 11 13:33:47 andromeda kernel: [97434.663719] Pid: 21914, comm: kvm Tainted: P B 2.6.24-16-generic #1 May 11 13:33:47 andromeda kernel: [97434.663721] May 11 13:33:47 andromeda kernel: [97434.663721] Call Trace: May 11 13:33:47 andromeda kernel: [97434.663738] [bad_page+0x60/0xa0] bad_page+0x60/0xa0 May 11 13:33:47 andromeda kernel: [97434.663743] [get_page_from_freelist+0x588/0x660] get_page_from_freelist+0x588/0x660 May 11 13:33:47 andromeda kernel: [97434.663761] [kvm_intel:__alloc_pages+0xaa/0x19640] __alloc_pages+0xaa/0x3d0 May 11 13:33:47 andromeda kernel: [97434.663769] [kvm_intel:printk+0x4e/0x150] printk+0x4e/0x60 May 11 13:33:47 andromeda kernel: [97434.663778] [do_wp_page+0x9e/0x510] do_wp_page+0x9e/0x510 May 11 13:33:47 andromeda kernel: [97434.663788] [handle_mm_fault+0x594/0x7b0] handle_mm_fault+0x594/0x7b0 May 11 13:33:47 andromeda kernel: [97434.663795] [follow_page+0x11b/0x220] follow_page+0x11b/0x220 May 11 13:33:47 andromeda kernel: [97434.663802] [kvm:get_user_pages+0x124/0x2c80] get_user_pages+0x124/0x3c0 May 11 13:33:47 andromeda kernel: [97434.663819] [kvm:gfn_to_page+0x67/0xb0] :kvm:gfn_to_page+0x67/0xb0 May 11 13:33:47 andromeda kernel: [97434.663831] [kvm:kvm_mmu_pte_write+0x25f/0x840] :kvm:kvm_mmu_pte_write+0x25f/0x840 May 11 13:33:47 andromeda kernel: [97434.663834] [__up_read+0x21/0xb0] __up_read+0x21/0xb0 May 11 13:33:47 andromeda kernel: [97434.663844] [kvm:mark_page_dirty+0x24/0x60] :kvm:mark_page_dirty+0x24/0x60 May 11 13:33:47 andromeda kernel: [97434.663864] [kvm:emulator_write_emulated_onepage+0xcd/0x170] :kvm:emulator_write_emulated_onepage+0xcd/0x170 May 11 13:33:47 andromeda kernel: [97434.663875] [kvm:x86_emulate_insn+0x3ba/0x4270] :kvm:x86_emulate_insn+0x3ba/0x4270 May 11 13:33:47 andromeda kernel: [97434.663890] [kvm:emulate_instruction+0x1b6/0x330] :kvm:emulate_instruction+0x1b6/0x330 May 11 13:33:47 andromeda kernel: [97434.663897] [kvm:kvm_get_apic_interrupt+0x1f/0x90] :kvm:kvm_get_apic_interrupt+0x1f/0x90 May 11 13:33:47 andromeda kernel: [97434.663908] [kvm:kvm_mmu_page_fault+0x58/0x90] :kvm:kvm_mmu_page_fault+0x58/0x90 May 11 13:33:47 andromeda kernel: [97434.663918] [kvm:kvm_arch_vcpu_ioctl_run+0x147/0x620] :kvm:kvm_arch_vcpu_ioctl_run+0x147/0x620 May 11 13:33:47 andromeda kernel: [97434.663928] [kvm:kvm_vcpu_ioctl+0x33d/0x350] :kvm:kvm_vcpu_ioctl+0x33d/0x350 May 11 13:33:47 andromeda kernel: [97434.663939] [core_sys_select+0x232/0x300] core_sys_select+0x232/0x300 May 11 13:33:47 andromeda kernel: [97434.663954] [add_partial_tail+0x19/0x60] add_partial_tail+0x19/0x60 May 11 13:33:47 andromeda kernel: [97434.663957] [ext3:rb_insert_color+0xde/0x110] rb_insert_color+0xde/0x110 May 11 13:33:47 andromeda kernel: [97434.663964] [enqueue_hrtimer+0x6e/0x110] enqueue_hrtimer+0x6e/0x110 May 11 13:33:47 andromeda kernel: [97434.663969] [kvm:hrtimer_start+0xee/0x390] hrtimer_start+0xee/0x170 May 11 13:33:47 andromeda kernel: [97434.663979] [do_ioctl+0x2f/0xa0] do_ioctl+0x2f/0xa0 May 11 13:33:47 andromeda kernel: [97434.663983] [vfs_ioctl+0x220/0x2c0] vfs_ioctl+0x220/0x2c0 May 11 13:33:47 andromeda kernel: [97434.663990] [sys_ioctl+0x91/0xb0] sys_ioctl+0x91/0xb0 May 11 13:33:47 andromeda kernel: [97434.663997] [system_call+0x7e/0x83] system_call+0x7e/0x83 May 11 13:33:47 andromeda kernel: [97434.664008] May 11 13:33:47 andromeda kernel: [97434.666102] kvm_handle_exit: unexpected, valid vectoring info and exit reason is 0x9 May 11 13:33:47 andromeda kernel: [97434.716624] Bad page state in process 'sh' May 11 13:33:47 andromeda kernel: [97434.716626] page:ffff81007fdd44d8 flags:0x0100000000000014 mapping:0000000000000000 mapcount:1 count:0 May 11 13:33:47 andromeda kernel: [97434.716627] Trying to fix it up, but a reboot is needed May 11 13:33:47 andromeda kernel: [97434.716627] Backtrace: May 11 13:33:47 andromeda kernel: [97434.716633] Pid: 22116, comm: sh Tainted: P B 2.6.24-16-generic #1 May 11 13:33:47 andromeda kernel: [97434.716634] May 11 13:33:47 andromeda kernel: [97434.716635] Call Trace: May 11 13:33:47 andromeda kernel: [97434.716658] [bad_page+0x60/0xa0] bad_page+0x60/0xa0 May 11 13:33:47 andromeda kernel: [97434.716663] [free_hot_cold_page+0x18c/0x1a0] free_hot_cold_page+0x18c/0x1a0 May 11 13:33:47 andromeda kernel: [97434.716669] [__pagevec_free+0x24/0x30] __pagevec_free+0x24/0x30 May 11 13:33:47 andromeda kernel: [97434.716673] [release_pages+0x180/0x1c0] release_pages+0x180/0x1c0 May 11 13:33:47 andromeda kernel: [97434.716688] [do_path_lookup+0x8a/0x250] do_path_lookup+0x8a/0x250 May 11 13:33:47 andromeda kernel: [97434.716695] [__pagevec_lru_add_active+0xdf/0x100] __pagevec_lru_add_active+0xdf/0x100 May 11 13:33:47 andromeda kernel: [97434.716700] [drain_cpu_pagevecs+0x58/0x80] drain_cpu_pagevecs+0x58/0x80 May 11 13:33:47 andromeda kernel: [97434.716704] [exit_mmap+0x1b/0x100] exit_mmap+0x1b/0x100 May 11 13:33:47 andromeda kernel: [97434.716708] [secure_ip_id+0x45/0x50] secure_ip_id+0x45/0x50 May 11 13:33:47 andromeda kernel: [97434.716714] [mmput+0x26/0xb0] mmput+0x26/0xb0 May 11 13:33:47 andromeda kernel: [97434.716717] [flush_old_exec+0x47e/0x980] flush_old_exec+0x47e/0x980 May 11 13:33:47 andromeda kernel: [97434.716722] [vfs_read+0x14e/0x190] vfs_read+0x14e/0x190 May 11 13:33:47 andromeda kernel: [97434.716731] [load_elf_binary+0x444/0x2290] load_elf_binary+0x444/0x2290 May 11 13:33:47 andromeda kernel: [97434.716756] [handle_mm_fault+0x3cb/0x7b0] handle_mm_fault+0x3cb/0x7b0 May 11 13:33:47 andromeda kernel: [97434.716759] [ext3:do_sync_read+0xd9/0xbb0] do_sync_read+0xd9/0x120 May 11 13:33:47 andromeda kernel: [97434.716765] [follow_page+0x18e/0x220] follow_page+0x18e/0x220 May 11 13:33:47 andromeda kernel: [97434.716768] [follow_page+0x18e/0x220] follow_page+0x18e/0x220 May 11 13:33:47 andromeda kernel: [97434.716772] [usbcore:strrchr+0xc/0x150] strrchr+0xc/0x30 May 11 13:33:47 andromeda kernel: [97434.716778] [<ffffffff889c7702>] :binfmt_misc:load_misc_binary+0xb2/0x470 May 11 13:33:47 andromeda kernel: [97434.716789] [get_arg_page+0x46/0xa0] get_arg_page+0x46/0xa0 May 11 13:33:47 andromeda kernel: [97434.716801] [search_binary_handler+0xad/0x210] search_binary_handler+0xad/0x210 May 11 13:33:47 andromeda kernel: [97434.716807] [do_execve+0x1ee/0x220] do_execve+0x1ee/0x220 May 11 13:33:47 andromeda kernel: [97434.716814] [sys_execve+0x44/0xb0] sys_execve+0x44/0xb0 May 11 13:33:47 andromeda kernel: [97434.716820] [stub_execve+0x67/0xb0] stub_execve+0x67/0xb0 May 11 13:33:47 andromeda kernel: [97434.716835] May 11 13:33:47 andromeda kernel: [97434.818997] pending exception: not handled yet May 11 13:33:49 andromeda kernel: [97436.592195] Eeek! page_mapcount(page) went negative! (-1) May 11 13:33:49 andromeda kernel: [97436.592203] page pfn = 777cd May 11 13:33:49 andromeda kernel: [97436.592205] page->flags = 10000000001003c May 11 13:33:49 andromeda kernel: [97436.592207] page->count = 1 May 11 13:33:49 andromeda kernel: [97436.592209] page->mapping = ffff81005babedd8 May 11 13:33:49 andromeda kernel: [97436.592234] vma->vm_ops = 0x0 May 11 13:33:49 andromeda kernel: [97436.592245] ------------[ cut here ]------------ May 11 13:33:49 andromeda kernel: [97436.592248] kernel BUG at /build/buildd/linux-2.6.24/mm/rmap.c:631! May 11 13:33:49 andromeda kernel: [97436.592251] invalid opcode: 0000 [1] SMP May 11 13:33:49 andromeda kernel: [97436.592255] CPU 0 May 11 13:33:49 andromeda kernel: [97436.592257] Modules linked in: snd_rtctimer appletalk ax25 ipx p8023 binfmt_misc ppdev autofs4 battery acpi_cpufreq cpufreq_conservative cpuf May 11 13:33:49 andromeda kernel: d_mod sg sr_mod cdrom ata_piix pata_marvell ata_generic r8169 pata_acpi ehci_hcd uhci_hcd libata scsi_mod usbcore thermal processor fan fbcon ti May 11 13:33:49 andromeda kernel: [97436.592352] Pid: 21917, comm: kvm Tainted: P B 2.6.24-16-generic #1 May 11 13:33:49 andromeda kernel: [97436.592355] RIP: 0010:[page_remove_rmap+0x11a/0x130] [page_remove_rmap+0x11a/0x130] page_remove_rmap+0x11a/0x130 May 11 13:33:49 andromeda kernel: [97436.592364] RSP: 0018:ffff810000fc3bd8 EFLAGS: 00010246 May 11 13:33:49 andromeda kernel: [97436.592367] RAX: 0000000000000000 RBX: ffff81007fdd44d8 RCX: ffffffff803a1970 May 11 13:33:49 andromeda kernel: [97436.592370] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff8057d9e4 May 11 13:33:49 andromeda kernel: [97436.592372] RBP: ffff81004a193370 R08: 0000000000000000 R09: 00000000ffffffff May 11 13:33:49 andromeda kernel: [97436.592375] R10: 0000000000000000 R11: 0000000000000000 R12: 00007ff673246000 May 11 13:33:49 andromeda kernel: [97436.592377] R13: ffff81007fdd44d8 R14: 00007ff680000000 R15: 00000000003db000 May 11 13:33:49 andromeda kernel: [97436.592380] FS: 0000000000000000(0000) GS:ffffffff805b0000(0000) knlGS:0000000000000000 May 11 13:33:49 andromeda kernel: [97436.592383] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b May 11 13:33:49 andromeda kernel: [97436.592386] CR2: 00007fec64450f10 CR3: 0000000071729000 CR4: 00000000000026e0 May 11 13:33:49 andromeda kernel: [97436.592388] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 May 11 13:33:49 andromeda kernel: [97436.592391] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 May 11 13:33:49 andromeda kernel: [97436.592394] Process kvm (pid: 21917, threadinfo ffff810000fc2000, task ffff810001908f80) May 11 13:33:49 andromeda kernel: [97436.592396] Stack: ffff810000fc3be8 00007ff673400000 ffff81004a0e0230 ffffffff8028fea2 May 11 13:33:49 andromeda kernel: [97436.592404] 0000000000000000 ffffffff8061e7a0 ffff81000100e7b8 00007ff6821cefff May 11 13:33:49 andromeda kernel: [97436.592410] 0000000000000000 ffff810000fc3cf8 ffffffffffffffff 0000000000000000 May 11 13:33:49 andromeda kernel: [97436.592415] Call Trace: May 11 13:33:49 andromeda kernel: [97436.592423] [unmap_vmas+0x4f2/0x7e0] unmap_vmas+0x4f2/0x7e0 May 11 13:33:49 andromeda kernel: [97436.592460] [exit_mmap+0x78/0x100] exit_mmap+0x78/0x100 May 11 13:33:49 andromeda kernel: [97436.592470] [mmput+0x26/0xb0] mmput+0x26/0xb0 May 11 13:33:49 andromeda kernel: [97436.592475] [do_exit+0x1c0/0x940] do_exit+0x1c0/0x940 May 11 13:33:49 andromeda kernel: [97436.592483] [__dequeue_signal+0x2d/0x1e0] __dequeue_signal+0x2d/0x1e0 May 11 13:33:49 andromeda kernel: [97436.592496] [do_group_exit+0x2c/0x80] do_group_exit+0x2c/0x80 May 11 13:33:49 andromeda kernel: [97436.592503] [get_signal_to_deliver+0x2f7/0x4b0] get_signal_to_deliver+0x2f7/0x4b0 May 11 13:33:49 andromeda kernel: [97436.592515] [do_notify_resume+0xc4/0x810] do_notify_resume+0xc4/0x810 May 11 13:33:49 andromeda kernel: [97436.592528] [__group_send_sig_info+0x75/0xa0] __group_send_sig_info+0x75/0xa0 May 11 13:33:49 andromeda kernel: [97436.592535] [group_send_sig_info+0x6e/0x90] group_send_sig_info+0x6e/0x90 May 11 13:33:49 andromeda kernel: [97436.592545] [snd_pcm:getnstimeofday+0x33/0xa230] getnstimeofday+0x33/0xa0 May 11 13:33:49 andromeda kernel: [97436.592553] [kvm:ktime_get_ts+0x1b/0x4c0] ktime_get_ts+0x1b/0x50 May 11 13:33:49 andromeda kernel: [97436.592564] [sys_futex+0xab/0x140] sys_futex+0xab/0x140 May 11 13:33:49 andromeda kernel: [97436.592576] [sysret_signal+0x1c/0x27] sysret_signal+0x1c/0x27 May 11 13:33:49 andromeda kernel: [97436.592579] [ptregscall_common+0x67/0xb0] ptregscall_common+0x67/0xb0 May 11 13:33:49 andromeda kernel: [97436.592604] May 11 13:33:49 andromeda kernel: [97436.592605] May 11 13:33:49 andromeda kernel: [97436.592606] Code: 0f 0b eb fe 48 8b 53 10 e9 65 ff ff ff 66 0f 1f 84 00 00 00 May 11 13:33:49 andromeda kernel: [97436.592621] RIP [page_remove_rmap+0x11a/0x130] page_remove_rmap+0x11a/0x130 May 11 13:33:49 andromeda kernel: [97436.592626] RSP <ffff810000fc3bd8> May 11 13:33:49 andromeda kernel: [97436.592707] ---[ end trace ed24e0c53c913fbd ]--- May 11 13:33:49 andromeda kernel: [97436.592710] Fixing recursive fault but reboot is needed! ** Attachment added: "dmesg" http://launchpadlibrarian.net/14455901/dmesg.txt -- [hardy] Bad page state in process 'kswapd0' https://bugs.launchpad.net/bugs/188730 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs