Holé,
je dispose d'un serveur sous debian lenny depuis prés de 6 mois, et ce matin, il s'est bloqué vers 6h, avec comme indication dans kern.log:
Nov 12 06:59:30 eclipse kernel: [364531.056096] INFO: task apache2:17604 blocked for more than 120 seconds.
Nov 12 07:02:44 eclipse kernel: [364531.056142] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov 12 07:02:44 eclipse kernel: [364531.056175] apache2 D 95d217a0 0 17604 2359
Nov 12 07:02:44 eclipse kernel: [364531.056182] ce402ce0 00200082 01b01268 95d217a0 00014b6b ce402e6c c1209fa0 00000000
Nov 12 07:02:44 eclipse kernel: [364531.056191] cf416dec 01b01268 1191e3a2 00000000 01b01268 cf416dec 01b01268 c120037c
Nov 12 07:02:44 eclipse kernel: [364531.056199] c1209fa0 00e51000 c120037c c01566f6 c02b8040 c71e1e34 c71e1e34 c0156729
Nov 12 07:02:44 eclipse kernel: [364531.056206] Call Trace:
Nov 12 07:04:08 eclipse kernel: [364531.056249] [<c01566f6>] sync_page+0x0/0x36
Nov 12 07:04:08 eclipse kernel: [364531.056265] [<c02b8040>] io_schedule+0x49/0x80
Nov 12 07:04:08 eclipse kernel: [364531.056278] [<c0156729>] sync_page+0x33/0x36
Nov 12 07:04:08 eclipse kernel: [364531.056283] [<c02b816c>] __wait_on_bit_lock+0x2a/0x52
Nov 12 07:04:08 eclipse kernel: [364531.056292] [<c01566e8>] __lock_page+0x4e/0x54
Nov 12 07:04:08 eclipse kernel: [364531.056301] [<c01317a9>] wake_bit_function+0x0/0x3c
Nov 12 07:04:08 eclipse kernel: [364531.056313] [<c015686b>] find_lock_page+0x53/0x7c
Nov 12 07:04:08 eclipse kernel: [364531.056320] [<c01585b1>] filemap_fault+0x96/0x359
Nov 12 07:04:08 eclipse kernel: [364531.056334] [<c0161a2a>] __do_fault+0x42/0x34d
Nov 12 07:04:08 eclipse kernel: [364531.056351] [<c02b818d>] __wait_on_bit_lock+0x4b/0x52
Nov 12 07:04:08 eclipse kernel: [364531.056363] [<c0163bd6>] handle_mm_fault+0x2d2/0x690
Nov 12 07:04:08 eclipse kernel: [364531.056378] [<c010fca5>] lapic_next_event+0xc/0x10
Nov 12 07:04:08 eclipse kernel: [364531.056385] [<c0138610>] clockevents_program_event+0xc4/0xd2
Nov 12 07:04:08 eclipse kernel: [364531.056399] [<c01da94a>] cfq_idle_slice_timer+0x11/0x68
Nov 12 07:04:08 eclipse kernel: [364531.056406] [<c01294f8>] run_timer_softirq+0x11a/0x17c
Nov 12 07:04:08 eclipse kernel: [364531.056415] [<c01da939>] cfq_idle_slice_timer+0x0/0x68
Nov 12 07:04:09 eclipse kernel: [364531.056423] [<c0115afb>] do_page_fault+0x29b/0x5b8
Nov 12 07:04:09 eclipse kernel: [364531.056437] [<c0115860>] do_page_fault+0x0/0x5b8
Nov 12 07:04:09 eclipse kernel: [364531.056443] [<c02b93b2>] error_code+0x72/0x78
Nov 12 07:04:09 eclipse kernel: [364531.056462] =======================
Nov 12 07:04:09 eclipse kernel: [364537.500152] INFO: task apache2:17621 blocked for more than 120 seconds.
Nov 12 07:04:09 eclipse kernel: [364537.500186] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov 12 07:04:09 eclipse kernel: [364537.500217] apache2 D 66187cf8 0 17621 2359
Nov 12 07:04:09 eclipse kernel: [364537.500223] ce403940 00200082 01b021a0 66187cf8 00014b6d ce403acc c1209fa0 00000000
Nov 12 07:04:09 eclipse kernel: [364537.500233] cf416fcc 01b021a0 11ee8607 00000000 01b021a0 cf416fcc 01b021a0 c120037c
Nov 12 07:04:09 eclipse kernel: [364537.500240] c1209fa0 00e51000 c120037c c01566f6 c02b8040 c1595e34 c1595e34 c0156729
Nov 12 07:04:09 eclipse kernel: [364537.500248] Call Trace:
Nov 12 07:04:09 eclipse kernel: [364537.500290] [<c01566f6>] sync_page+0x0/0x36
Nov 12 07:04:09 eclipse kernel: [364537.500306] [<c02b8040>] io_schedule+0x49/0x80
Nov 12 07:04:09 eclipse kernel: [364537.500320] [<c0156729>] sync_page+0x33/0x36
Nov 12 07:04:09 eclipse kernel: [364537.500325] [<c02b816c>] __wait_on_bit_lock+0x2a/0x52
Nov 12 07:04:09 eclipse kernel: [364537.500334] [<c01566e8>] __lock_page+0x4e/0x54
Nov 12 07:04:09 eclipse kernel: [364537.500342] [<c01317a9>] wake_bit_function+0x0/0x3c
Nov 12 07:04:09 eclipse kernel: [364537.500354] [<c015686b>] find_lock_page+0x53/0x7c
Nov 12 07:04:09 eclipse kernel: [364537.500361] [<c01585b1>] filemap_fault+0x96/0x359
Nov 12 07:04:09 eclipse kernel: [364537.500372] [<c0134362>] ktime_get_ts+0x22/0x49
Nov 12 07:04:09 eclipse kernel: [364537.500381] [<c0161a2a>] __do_fault+0x42/0x34d
Nov 12 07:04:09 eclipse kernel: [364537.500398] [<c02b818d>] __wait_on_bit_lock+0x4b/0x52
Nov 12 07:04:09 eclipse kernel: [364537.500410] [<c0163bd6>] handle_mm_fault+0x2d2/0x690
Nov 12 07:04:09 eclipse kernel: [364537.500431] [<c0176f58>] sys_fstat64+0x1e/0x23
Nov 12 07:04:09 eclipse kernel: [364537.500445] [<c0115afb>] do_page_fault+0x29b/0x5b8
Nov 12 07:04:09 eclipse kernel: [364537.500456] [<c0174c58>] sys_read+0x3c/0x63
Nov 12 07:04:09 eclipse kernel: [364537.500463] [<c0115860>] do_page_fault+0x0/0x5b8
Nov 12 07:04:09 eclipse kernel: [364537.500469] [<c02b93b2>] error_code+0x72/0x78
Nov 12 07:04:09 eclipse kernel: [364537.500488] =======================
qu'es-ce que ça veut dire?
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