[Bug 618529] Re: kernel call traces from blk-core.c

[Jeff Waugh]

Would this perhaps be related? Every now and then my Linode disk
subsystem seizes up, with messages similar to those below...

[26760.068047] INFO: task kjournald:187 blocked for more than 120 seconds.
[26760.068066] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.068278] INFO: task rsyslogd:2934 blocked for more than 120 seconds.
[26760.068289] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.068548] INFO: task flush-202:0:366 blocked for more than 120 seconds.
[26760.068559] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.068877] INFO: task nginx:718 blocked for more than 120 seconds.
[26760.068887] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.069035] INFO: task nginx:720 blocked for more than 120 seconds.
[26760.069044] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.069197] INFO: task nginx:721 blocked for more than 120 seconds.
[26760.069206] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.069455] INFO: task nginx:722 blocked for more than 120 seconds.
[26760.069465] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.069720] INFO: task collectd:833 blocked for more than 120 seconds.
[26760.069730] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.069844] INFO: task collectd:834 blocked for more than 120 seconds.
[26760.069853] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[26760.070010] INFO: task collectd:837 blocked for more than 120 seconds.
[26760.070019] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

** Bug watch added: Debian Bug tracker #516374
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=516374

-- 
kernel call traces from blk-core.c
https://bugs.launchpad.net/bugs/618529
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