Further to this bug, the system hung several hours later during our system backup to tape, and after reboot the offending directory was accessible again.
Just before hanging the following was logged in syslog. This possibly happenned when it was attempting to backup the offending directory, but I cannot be certain. Jul 28 23:08:15 zaphod kernel: [1067256.507872] BUG: unable to handle kernel paging request at 0001f30a Jul 28 23:08:15 zaphod kernel: [1067256.507902] IP: [<c01f0ed3>] inotify_inode_queue_event+0x53/0xe0 Jul 28 23:08:15 zaphod kernel: [1067256.507927] *pdpt = 00000000348d5001 *pde = 0000000000000000 Jul 28 23:08:15 zaphod kernel: [1067256.507947] Oops: 0000 [#13] SMP Jul 28 23:08:15 zaphod kernel: [1067256.507961] last sysfs file: /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/class Jul 28 23:08:15 zaphod kernel: [1067256.507985] Modules linked in: tun input_polldev video output nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc lp snd_via82xx gameport snd_ac97_codec ac97_bus i2c_viapro snd_pcm snd_timer snd_page_alloc snd_mpu401_uart via_ircc snd_rawmidi snd_seq_device psmouse irda via_agp ppdev snd serio_raw agpgart crc_ccitt pcspkr parport_pc osst soundcore shpchp parport st via_rhine mii aic7xxx scsi_transport_spi raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear fbcon tileblit font bitblit softcursor Jul 28 23:08:15 zaphod kernel: [1067256.508144] Jul 28 23:08:15 zaphod kernel: [1067256.508156] Pid: 20339, comm: fscpio Tainted: G D (2.6.28-13-server #45-Ubuntu) Jul 28 23:08:15 zaphod kernel: [1067256.508179] EIP: 0060:[<c01f0ed3>] EFLAGS: 00010246 CPU: 0 Jul 28 23:08:15 zaphod kernel: [1067256.508193] EIP is at inotify_inode_queue_event+0x53/0xe0 Jul 28 23:08:15 zaphod kernel: [1067256.508208] EAX: 0001f30a EBX: 00000000 ECX: 00000000 EDX: 0001f30a Jul 28 23:08:15 zaphod kernel: [1067256.508223] ESI: c4768240 EDI: 0001f302 EBP: e536ff70 ESP: e536ff40 Jul 28 23:08:15 zaphod kernel: [1067256.508238] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Jul 28 23:08:15 zaphod kernel: [1067256.508252] Process fscpio (pid: 20339, ti=e536e000 task=e6571920 task.ti=e536e000) Jul 28 23:08:15 zaphod kernel: [1067256.508274] Stack: Jul 28 23:08:15 zaphod kernel: [1067256.508283] e536ff70 c01dabd0 00008001 00000000 00000020 c4768650 00000000 00000020 Jul 28 23:08:15 zaphod kernel: [1067256.508308] c4768648 00000020 c4768524 00000004 e536ff98 c01c44fc 00000000 00000000 Jul 28 23:08:15 zaphod kernel: [1067256.508338] 00008000 c1fa5000 e445b6e0 000001b6 00008000 bff48a12 e536ffb0 c01c45c9 Jul 28 23:08:15 zaphod kernel: [1067256.508374] Call Trace: Jul 28 23:08:15 zaphod kernel: [1067256.508385] [<c01dabd0>] ? alloc_fd+0xe0/0x100 Jul 28 23:08:15 zaphod kernel: [1067256.508403] [<c01c44fc>] ? do_sys_open+0xbc/0x120 Jul 28 23:08:15 zaphod kernel: [1067256.508420] [<c01c45c9>] ? sys_open+0x29/0x40 Jul 28 23:08:15 zaphod kernel: [1067256.508435] [<c0109eef>] ? sysenter_do_call+0x12/0x2f Jul 28 23:08:15 zaphod kernel: [1067256.508452] Code: 2c 01 00 00 89 45 e4 e8 3c a2 31 00 8b 83 24 01 00 00 39 45 f0 8d 70 f8 8b 56 08 74 6f 8d 7a f8 eb 16 8d b6 00 00 00 00 8d 47 08 <8b> 57 08 39 45 f0 74 59 89 fe 8d 7a f8 8b 5e 20 85 5d e0 74 e8 Jul 28 23:08:15 zaphod kernel: [1067256.508556] EIP: [<c01f0ed3>] inotify_inode_queue_event+0x53/0xe0 SS:ESP 0068:e536ff40 Jul 28 23:08:15 zaphod kernel: [1067256.508871] ---[ end trace bf36058c0dc408da ]--- followed by: Jul 28 23:09:36 zaphod kernel: [1067337.126568] EXT4 Inode c47686d8: orphan list check failed! Jul 28 23:09:36 zaphod kernel: [1067337.126638] c47686d8: 0001f30a 00000004 00000000 00000000 ................ Jul 28 23:09:36 zaphod kernel: [1067337.126689] c47686e8: 00000001 00196ecd 00000000 00000000 .....n.......... Jul 28 23:09:36 zaphod kernel: [1067337.126740] c47686f8: 00000000 00000000 00000000 00000000 ................ Jul 28 23:09:36 zaphod kernel: [1067337.126789] c4768708: 00000000 00000000 00000000 00080000 ................ Jul 28 23:09:36 zaphod kernel: [1067337.126842] c4768718: 00000000 00000000 00000000 00000000 ................ Jul 28 23:09:36 zaphod kernel: [1067337.126892] c4768728: 00000000 00000000 00000000 00000000 ................ Jul 28 23:09:36 zaphod kernel: [1067337.126941] c4768738: c4768338 c4768738 ffffffff ffffffff 8.v.8.v......... Jul 28 23:09:36 zaphod kernel: [1067337.126991] c4768748: c4768348 c4768748 00000148 00000000 H.v.H.v.H....... Jul 28 23:09:36 zaphod kernel: [1067337.127042] c4768758: 00fb001c 00000000 00000000 c4768764 ............d.v. Jul 28 23:09:36 zaphod kernel: [1067337.127091] c4768768: c4768364 00000000 00000000 00100100 d.v............. Jul 28 23:09:36 zaphod kernel: [1067337.127141] c4768778: 00200200 c476877c c476877c c4768784 .. .|.v.|.v...v. Jul 28 23:09:36 zaphod kernel: [1067337.127194] c4768788: c4768784 00001fca 00000000 00000001 ..v............. Jul 28 23:09:36 zaphod kernel: [1067337.127242] c4768798: 00000000 00000000 00000000 00000001 ................ Jul 28 23:09:36 zaphod kernel: [1067337.127293] c47687a8: 00000000 00000148 00000000 00000000 ....H........... Jul 28 23:09:36 zaphod kernel: [1067337.127343] c47687b8: 49de9000 00000000 49de9800 00000000 ...I.......I.... Jul 28 23:09:36 zaphod kernel: [1067337.127391] c47687c8: 4a65b9c4 2fcfb8ec 0000000c 00000008 ..eJ.../........ Jul 28 23:09:36 zaphod kernel: [1067337.127440] c47687d8: 00000000 81a40000 00000000 00000001 ................ Jul 28 23:09:36 zaphod kernel: [1067337.127538] c47687e8: 00000000 c47687ec c47687ec 00000000 ......v...v..... Jul 28 23:09:36 zaphod kernel: [1067337.127587] c47687f8: 00000000 c47687fc c47687fc c0523b80 ......v...v..;R. Jul 28 23:09:36 zaphod kernel: [1067337.127636] c4768808: c0523b00 f64bb800 00000000 c4768818 .;R...K.......v. Jul 28 23:09:36 zaphod kernel: [1067337.127685] c4768818: c476876c 00000000 00000020 00000000 l.v..... ....... Jul 28 23:09:36 zaphod kernel: [1067337.127733] c4768828: 00000000 00000000 00000000 00010001 ................ Jul 28 23:09:36 zaphod kernel: [1067337.127782] c4768838: c4768838 c4768838 00000000 00000000 8.v.8.v......... Jul 28 23:09:36 zaphod kernel: [1067337.127831] c4768848: 00000000 00000000 c0523d80 001200d2 .........=R..... Jul 28 23:09:36 zaphod kernel: [1067337.127879] c4768858: f6945600 00000000 c4768860 c4768860 .V......`.v.`.v. Jul 28 23:09:36 zaphod kernel: [1067337.127928] c4768868: 00000000 00000000 00000000 c4768874 ............t.v. Jul 28 23:09:36 zaphod kernel: [1067337.127976] c4768878: c4768874 00000000 00000000 be9e15d7 t.v............. Jul 28 23:09:36 zaphod kernel: [1067337.128025] c4768888: 00000000 00000000 c4768890 c4768890 ..........v...v. Jul 28 23:09:36 zaphod kernel: [1067337.128073] c4768898: 00000001 00000000 c47688a0 c47688a0 ..........v...v. Jul 28 23:09:36 zaphod kernel: [1067337.128167] c47688a8: 00000040 00000000 00000000 00000000 @............... Jul 28 23:09:36 zaphod kernel: [1067337.128216] c47688b8: 00000000 00000000 00000000 00000000 ................ Jul 28 23:09:36 zaphod kernel: [1067337.128264] c47688c8: c47688c8 c47688c8 c476876c 00000000 ..v...v.l.v..... Jul 28 23:09:36 zaphod kernel: [1067337.128313] c47688d8: 24448a00 00000000 00000000 00000000 ..D$............ Jul 28 23:09:36 zaphod kernel: [1067337.128445] c47688e8: 00000000 00000000 4a5e91a8 1c28c57c ..........^J|.(. Jul 28 23:09:36 zaphod kernel: [1067337.128494] c47688f8: c47688f8 c47688f8 00000101 00000000 ..v...v......... Jul 28 23:09:36 zaphod kernel: [1067337.128543] c4768908: 00000000 00000000 bf000000 00000303 ................ Jul 28 23:09:36 zaphod kernel: [1067337.128594] Pid: 24, comm: kswapd0 Tainted: G D 2.6.28-13-server #45-Ubuntu Jul 28 23:09:36 zaphod kernel: [1067337.128648] Call Trace: Jul 28 23:09:36 zaphod kernel: [1067337.128704] [<c023b283>] ext4_destroy_inode+0x73/0x80 Jul 28 23:09:36 zaphod kernel: [1067337.128757] [<c01d8aaa>] destroy_inode+0x2a/0x50 Jul 28 23:09:36 zaphod kernel: [1067337.128804] [<c01d8fc6>] dispose_list+0x86/0xf0 Jul 28 23:09:36 zaphod kernel: [1067337.128850] [<c01d918d>] prune_icache+0x15d/0x260 Jul 28 23:09:36 zaphod kernel: [1067337.128896] [<c01d92ce>] shrink_icache_memory+0x3e/0x50 Jul 28 23:09:36 zaphod kernel: [1067337.128948] [<c01a051f>] shrink_slab+0x11f/0x180 Jul 28 23:09:36 zaphod kernel: [1067337.128995] [<c01a2c3d>] balance_pgdat+0x38d/0x470 Jul 28 23:09:36 zaphod kernel: [1067337.129043] [<c01a1050>] ? isolate_pages_global+0x0/0x70 Jul 28 23:09:36 zaphod kernel: [1067337.129094] [<c0156aea>] ? prepare_to_wait+0x3a/0x70 Jul 28 23:09:36 zaphod kernel: [1067337.129141] [<c01a2de1>] kswapd+0xc1/0x110 Jul 28 23:09:36 zaphod kernel: [1067337.129187] [<c0156890>] ? autoremove_wake_function+0x0/0x50 Jul 28 23:09:36 zaphod kernel: [1067337.129235] [<c01a2d20>] ? kswapd+0x0/0x110 Jul 28 23:09:36 zaphod kernel: [1067337.129281] [<c01564dc>] kthread+0x3c/0x70 Jul 28 23:09:36 zaphod kernel: [1067337.129326] [<c01564a0>] ? kthread+0x0/0x70 Jul 28 23:09:36 zaphod kernel: [1067337.129374] [<c010ad3f>] kernel_thread_helper+0x7/0x10 and the system hung about 3 minutes later. -- RAID causing kernel oops? https://bugs.launchpad.net/bugs/405561 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
