Badness in interruptible_sleep_on_timeout, probably NFS

[Markus Fritz]

Hello,

i get this error msg on a plain 2.6.13-1.1532_FC4smp,
2 'Dual Core AMD Opteron(tm) Processor 275' on a 'Tyan Thunder K8SE'.

$> grep -B3 -A20 "Badness in interruptible_sleep_on_timeout" \
         messages.? messages \
      > /tmp/var-log-messages.err

In all cases it seems to be related to NFS unmount
(have a automount on some NFS):

> messages-Oct 24 21:26:52 devil kernel: SELinux: initialized (dev 0:19, type nfs), uses genfs_contexts
> messages:Oct 24 21:28:02 devil kernel: Badness in interruptible_sleep_on_timeout at kernel/sched.c:3297 (Not tainted)
> messages-Oct 24 21:28:02 devil kernel:
> messages-Oct 24 21:28:02 devil kernel: Call Trace:<ffffffff8033c3d8>{interruptible_sleep_on_timeout+131}
> messages-Oct 24 21:28:02 devil kernel:        <ffffffff80131654>{default_wake_function+0} <ffffffff8820a367>{:lockd:lockd_down+207}
> messages-Oct 24 21:28:02 devil kernel:        <ffffffff88220857>{:nfs:nfs_kill_super+78} <ffffffff80186531>{deactivate_super+95}
> messages-Oct 24 21:28:02 devil kernel:        <ffffffff8019ca23>{sys_umount+739} <ffffffff801107ea>{syscall_trace_enter+217}
> messages-Oct 24 21:28:02 devil kernel:        <ffffffff80110827>{syscall_trace_leave+55} <ffffffff8010daa2>{tracesys+113}
> messages-Oct 24 21:28:02 devil kernel:        <ffffffff8010db02>{tracesys+209}

Seems to be no real problem, just annoying ...


bye,

     Markus

-- 
Dipl.-Ing. (FH) Markus Fritz
Just Innovative Software GmbH * Robert-Bosch-Str. 32 * 74081 Heilbronn
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