Ingo Molnar <[email protected]> writes:
> this patch extends the soft-lockup detector to automatically
> detect hung TASK_UNINTERRUPTIBLE tasks. Such hung tasks are
> printed the following way:
That will likely trigger anytime a hard nfs/cifs mount loses its
server for 120s. To make this work you would need a new
TASK_UNINTERRUPTIBLE_EXTERNAL_EVENT or similar and mark
all the places which depend on those.
I've also seen kernel modules that use semaphores like wait queues
While that gives a little funny results (high load average) it worked
so far, until this patch.
-Andi
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