Bug#489608: mdadm: hung task timeout when doign data check

Norman Messtorff normes at normes.org
Sun Oct 5 11:34:47 UTC 2008


Hi,

I've got also a Call Trace on my system:

[1702572.396576] md: data-check of RAID array md0
[1702572.396576] md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
[1702572.396576] md: using maximum available idle IO bandwidth (but not
more than 200000 KB/sec) for data-check.
[1702572.396576] md: using 128k window, over a total of 20972736 blocks.
[1702572.402228] md: delaying data-check of md1 until md0 has finished
(they share one or more physical units)
[1702572.402228] md: delaying data-check of md2 until md0 has finished
(they share one or more physical units)
[1702930.912273] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1702930.912294] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1702930.912307] md1_resync    D 0000000000000000     0 23339      2
[1702930.912321]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1702930.912338]  0000000300000000 ffff81011d1be810 ffff81011fac3470
ffff81011d1bea98
[1702930.912355]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1702930.912369] Call Trace:
[1702930.912406]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1702930.912427]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1702930.912436]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1702930.912447]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1702930.912458]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1702930.912475]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1702930.912491]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1702930.912500]  [<ffffffff80245efb>] kthread+0x47/0x74
[1702930.912508]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1702930.912518]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1702930.912531]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1702930.912539]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1702930.912547] 
[1702930.912553] INFO: task md2_resync:23341 blocked for more than 120
seconds.
[1702930.912563] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1702930.912576] md2_resync    D ffff8100084d9e70     0 23341      2
[1702930.912587]  ffff8100084d9db0 0000000000000046 ffff81011d194e60
ffff81011d194e60
[1702930.912604]  ffff810001026880 ffff81011d22c380 ffff81011f0cead0
ffff81011d22c608
[1702930.912621]  ffff810001026880 ffffffff80319a75 ffff8100084d9e90
ffffffff8022954d
[1702930.912639] Call Trace:
[1702930.912654]  [<ffffffff80319a75>] __next_cpu+0x19/0x26
[1702930.912663]  [<ffffffff8022954d>] find_busiest_group+0x254/0x6dc
[1702930.912679]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1702930.912692]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1702930.912701]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1702930.912711]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1702930.912721]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1702930.912738]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1702930.912754]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1702930.912763]  [<ffffffff80245efb>] kthread+0x47/0x74
[1702930.912772]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1702930.912781]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1702930.912792]  [<ffffffff8022ad5c>] __wake_up+0x38/0x4f
[1702930.912802]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1702930.912810]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1702930.912819] 
[1702980.305382] md: md0: data-check done.
[1702980.399990] md: delaying data-check of md1 until md2 has finished
(they share one or more physical units)
[1702980.399990] md: data-check of RAID array md2
[1702980.399990] md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
[1702980.399990] md: using maximum available idle IO bandwidth (but not
more than 200000 KB/sec) for data-check.
[1702980.399990] md: using 128k window, over a total of 463210112
blocks.
[1702980.415992] RAID1 conf printout:
[1702980.415992]  --- wd:2 rd:2
[1702980.415992]  disk 0, wo:0, o:1, dev:sda1
[1702980.415992]  disk 1, wo:0, o:1, dev:sdb1
[1703112.375096] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703112.375115] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703112.375129] md1_resync    D ffff8100084d5e70     0 23339      2
[1703112.375142]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703112.375160]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703112.375177]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703112.375191] Call Trace:
[1703112.375227]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703112.375247]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703112.375257]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703112.375268]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703112.375279]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703112.375296]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703112.375311]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703112.375321]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703112.375329]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703112.375339]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703112.375351]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703112.375360]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703112.375369] 
[1703241.223529] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703241.223550] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703241.223564] md1_resync    D ffff8100084d5e70     0 23339      2
[1703241.223576]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703241.223594]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703241.223611]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703241.223625] Call Trace:
[1703241.223661]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703241.223679]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703241.223692]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703241.223702]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703241.223713]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703241.223730]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703241.223746]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703241.223756]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703241.223766]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703241.223775]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703241.223788]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703241.223797]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703241.223805] 
[1703370.073216] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703370.073238] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703370.073252] md1_resync    D ffff8100084d5e70     0 23339      2
[1703370.073265]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703370.073283]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703370.073300]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703370.073313] Call Trace:
[1703370.073353]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703370.073368]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703370.073378]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703370.073389]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703370.073400]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703370.073417]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703370.073433]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703370.073442]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703370.073451]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703370.073461]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703370.073474]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703370.073482]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703370.073490] 
[1703498.920786] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703498.920806] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703498.920820] md1_resync    D ffff8100084d5e70     0 23339      2
[1703498.920832]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703498.920849]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703498.920865]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703498.920878] Call Trace:
[1703498.920915]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703498.924764]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703498.924764]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703498.924764]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703498.924764]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703498.924764]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703498.924764]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703498.924764]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703498.924764]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703498.924764]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703498.924764]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703498.924764]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703498.924764] 
[1703627.772403] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703627.772420] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703627.772434] md1_resync    D ffff8100084d5e70     0 23339      2
[1703627.772446]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703627.772463]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703627.772480]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703627.772493] Call Trace:
[1703627.772528]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703627.772543]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703627.772553]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703627.772564]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703627.772575]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703627.772592]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703627.772607]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703627.772617]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703627.772625]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703627.772635]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703627.772648]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703627.772656]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703627.772664] 
[1703756.621045] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703756.621062] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703756.621076] md1_resync    D ffff8100084d5e70     0 23339      2
[1703756.621088]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703756.621105]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703756.621122]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703756.621135] Call Trace:
[1703756.621169]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703756.621185]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703756.621194]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703756.621205]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703756.621215]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703756.621232]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703756.621248]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703756.621258]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703756.621266]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703756.621275]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703756.621288]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703756.621296]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703756.621305] 
[1703886.542896] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1703886.542914] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1703886.542927] md1_resync    D ffff8100084d5e70     0 23339      2
[1703886.542940]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1703886.542957]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1703886.542974]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1703886.542986] Call Trace:
[1703886.543023]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1703886.543038]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1703886.543050]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1703886.543060]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1703886.543071]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1703886.543088]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1703886.543104]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1703886.543113]  [<ffffffff80245efb>] kthread+0x47/0x74
[1703886.543121]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1703886.543131]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1703886.543143]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1703886.543152]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1703886.543160] 
[1704015.392132] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1704015.392152] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1704015.392167] md1_resync    D ffff8100084d5e70     0 23339      2
[1704015.392179]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1704015.392196]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1704015.392213]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1704015.392226] Call Trace:
[1704015.392265]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1704015.392281]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1704015.392292]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1704015.392302]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1704015.392314]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1704015.392333]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1704015.392350]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1704015.392359]  [<ffffffff80245efb>] kthread+0x47/0x74
[1704015.392367]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1704015.392377]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1704015.392389]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1704015.392398]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1704015.392407] 
[1704145.312626] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1704145.312644] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1704145.312657] md1_resync    D ffff8100084d5e70     0 23339      2
[1704145.312670]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1704145.312688]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1704145.312704]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1704145.312717] Call Trace:
[1704145.312752]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1704145.312767]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1704145.312776]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1704145.312787]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1704145.312797]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1704145.312815]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1704145.312830]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1704145.312839]  [<ffffffff80245efb>] kthread+0x47/0x74
[1704145.312848]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1704145.312857]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1704145.312870]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1704145.312878]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1704145.312886] 
[1706952.074906] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1706952.074928] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1706952.074941] md1_resync    D ffff8100084d5e70     0 23339      2
[1706952.074953]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1706952.074971]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1706952.074988]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1706952.075001] Call Trace:
[1706952.075037]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1706952.075052]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1706952.075062]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1706952.075072]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1706952.075083]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1706952.075100]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1706952.075115]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1706952.075125]  [<ffffffff80245efb>] kthread+0x47/0x74
[1706952.075133]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1706952.075143]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1706952.075156]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1706952.075164]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1706952.075172] 
[1707098.105376] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1707098.105394] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1707098.105407] md1_resync    D ffff8100084d5e70     0 23339      2
[1707098.105419]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1707098.105437]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1707098.105453]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1707098.105466] Call Trace:
[1707098.105504]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1707098.105520]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1707098.105529]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1707098.105540]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1707098.105550]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1707098.105567]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1707098.105583]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1707098.105592]  [<ffffffff80245efb>] kthread+0x47/0x74
[1707098.105600]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1707098.105610]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1707098.105623]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1707098.105631]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1707098.105639] 
[1711657.210500] INFO: task md1_resync:23339 blocked for more than 120
seconds.
[1711657.210527] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[1711657.210541] md1_resync    D ffff8100084d5e70     0 23339      2
[1711657.210553]  ffff8100084d5db0 0000000000000046 ffff8100084d5d78
ffff8100084da7d0
[1711657.210572]  0000000300000000 ffff81011d1be810 ffff81011f0cead0
ffff81011d1bea98
[1711657.210589]  0000000000000282 0000000000000400 00000000ffffffff
0000000000000000
[1711657.210601] Call Trace:
[1711657.210638]  [<ffffffffa00e69ad>] :md_mod:md_do_sync+0x224/0x908
[1711657.210654]  [<ffffffff8022832a>] move_tasks+0x68/0x90
[1711657.210663]  [<ffffffff8020a857>] __switch_to+0x96/0x35e
[1711657.210674]  [<ffffffff8022f012>] hrtick_set+0x88/0xf7
[1711657.210685]  [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e
[1711657.210702]  [<ffffffffa00e94b1>] :md_mod:md_thread+0xd7/0xed
[1711657.210721]  [<ffffffffa00e93da>] :md_mod:md_thread+0x0/0xed
[1711657.210730]  [<ffffffff80245efb>] kthread+0x47/0x74
[1711657.210738]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[1711657.210748]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[1711657.210761]  [<ffffffff80245eb4>] kthread+0x0/0x74
[1711657.210769]  [<ffffffff8020ceee>] child_rip+0x0/0x12
[1711657.210777] 
[1715014.904400] md: md2: data-check done.
[1715014.984400] md: data-check of RAID array md1
[1715014.984400] md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
[1715014.984400] md: using maximum available idle IO bandwidth (but not
more than 200000 KB/sec) for data-check.
[1715014.984400] md: using 128k window, over a total of 4200896 blocks.
[1715015.104396] RAID1 conf printout:
[1715015.104396]  --- wd:2 rd:2
[1715015.104396]  disk 0, wo:0, o:1, dev:sda3
[1715015.104396]  disk 1, wo:0, o:1, dev:sdb3
[1715081.040363] md: md1: data-check done.
[1715081.152367] RAID1 conf printout:
[1715081.152367]  --- wd:2 rd:2
[1715081.152367]  disk 0, wo:0, o:1, dev:sda2
[1715081.152367]  disk 1, wo:0, o:1, dev:sdb2


normes at hetzer:~$ uname -a
Linux hetzer 2.6.26-1-amd64 #1 SMP Thu Aug 28 11:13:42 UTC 2008 x86_64
GNU/Linux

normes at hetzer:~$ dpkg -l |grep mdadm
ii  mdadm                               2.6.7-3.1             tool to
administer Linux MD arrays (software

normes at hetzer:~$ mount
/dev/md0 on / type ext3 (rw)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
procbususb on /proc/bus/usb type usbfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)

normes at hetzer:~$ cat /etc/mdadm/mdadm.conf 
DEVICES /dev/sda* /dev/sdb*
ARRAY /dev/md0 level=raid1 num-devices=2
UUID=0a0b7b99:151b6cfa:441ee7d0:cc10a181
ARRAY /dev/md1 level=raid1 num-devices=2
UUID=bca5e218:dcedbdcd:647b5393:f92af58c
ARRAY /dev/md2 level=raid1 num-devices=2
UUID=60c97c1a:aa85de91:ed2180f6:f243398a
MAILADDR root

normes at hetzer:~$ cat /proc/mdstat 
Personalities : [raid0] [raid1] 
md2 : active raid1 sda3[0] sdb3[1]
      463210112 blocks [2/2] [UU]
      
md1 : active raid1 sda2[0] sdb2[1]
      4200896 blocks [2/2] [UU]
      
md0 : active raid1 sda1[0] sdb1[1]
      20972736 blocks [2/2] [UU]
      
unused devices: <none>

normes at hetzer:~$ cat /proc/partitions 
major minor  #blocks  name

   8     0  488386584 sda
   8     1   20972857 sda1
   8     2    4200997 sda2
   8     3  463210177 sda3
   8    16  488386584 sdb
   8    17   20972857 sdb1
   8    18    4200997 sdb2
   8    19  463210177 sdb3
   9     0   20972736 md0
   9     1    4200896 md1
   9     2  463210112 md2
 253     0    6291456 dm-0
 253     1    4194304 dm-1
 253     3   62914560 dm-3
 253     6   62914560 dm-6
 253     7   20971520 dm-7
 253     2   62914560 dm-2
 253     4   62914560 dm-4
 253     5   10485760 dm-5

normes at hetzer:~$ cat /etc/debian_version 
lenny/sid


Please drop me a note if i can help you in any way.


    Norman






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