soft lockup - jfs problem?
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
jfsutils (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
We saw soft lockup this morning on a Ubuntu Lucid 64-bit system with
kernel 2.6.32-33-server and jfs module shown here
root@db11e:
filename: /lib/modules/
license: GPL
author: Steve Best/Dave Kleikamp/Barry Arndt, IBM
description: The Journaled Filesystem (JFS)
srcversion: 78CD09626BDB4AE
depends:
vermagic: 2.6.32-33-server SMP mod_unload modversions
parm: nTxBlock:Number of transaction blocks (max:65536) (int)
parm: nTxLock:Number of transaction locks (max:65536) (int)
parm: commit_
dmesg output (snippet) has this
[4739878.082195] INFO: task mysqld:7824 blocked for more than 120 seconds.
[4739878.082488] "echo 0 > /proc/sys/
disables this message.
[4739878.082852] mysqld D 0000000000000000 0 7824 18081
0x00000000
[4739878.082857] ffff88004bc17b08 0000000000000082 0000000000015f00
0000000000015f00
[4739878.082862] ffff8813aaf51ad0 ffff88004bc17fd8 0000000000015f00
ffff8813aaf51700
[4739878.082866] 0000000000015f00 ffff88004bc17fd8 0000000000015f00
ffff8813aaf51ad0
[4739878.082871] Call Trace:
[4739878.082885] [<ffffffff81558
[4739878.082902] [<ffffffffa0042
[4739878.082910] [<ffffffff8115e
[4739878.082917] [<ffffffff8105d
[4739878.082924] [<ffffffffa0025
[4739878.082927] [<ffffffff8115c
[4739878.082931] [<ffffffff8155a
[4739878.082935] [<ffffffff8115c
[4739878.082942] [<ffffffffa0045
[4739878.082947] [<ffffffff8108d
[4739878.082951] [<ffffffff8108d
[4739878.082955] [<ffffffff81150
[4739878.082960] [<ffffffff81151
[4739878.082964] [<ffffffff81152
[4739878.082968] [<ffffffff81155
[4739878.082973] [<ffffffff81160
[4739878.082978] [<ffffffff81144
[4739878.082982] [<ffffffff81144
[4739878.082989] [<ffffffff81013
[4739878.083009] INFO: task mysqld:12747 blocked for more than 120 seconds.
[4739878.083289] "echo 0 > /proc/sys/
disables this message.
[4739878.112750] mysqld D ffff8811db94cae8 0 12747 18081
0x00000000
[4739878.112755] ffff880052563d38 0000000000000082 0000000000015f00
0000000000015f00
[4739878.112760] ffff8811d5089ad0 ffff880052563fd8 0000000000015f00
ffff8811d5089700
[4739878.112764] 0000000000015f00 ffff880052563fd8 0000000000015f00
ffff8811d5089ad0
[4739878.112768] Call Trace:
[4739878.112773] [<ffffffff81559
[4739878.112777] [<ffffffff81151
[4739878.112782] [<ffffffff81558
[4739878.112786] [<ffffffff81155
[4739878.112790] [<ffffffff81160
[4739878.112794] [<ffffffff81144
[4739878.112798] [<ffffffff81144
[4739878.112802] [<ffffffff81013
Is this a jfs problem? I saw http://
thought it might be the same issue but perusing the linux kernel source
it appears to have the patch already.