Re: 2.5.70 (virgin) hangs running SDET

Andrew Morton (akpm@digeo.com)
Tue, 10 Jun 2003 22:21:16 -0700


"Martin J. Bligh" <mbligh@aracnet.com> wrote:
>
> OK, did that. your patches + debug up the wazoo. Bugger all output,
> and a hang that looks similar, but the culprit is hiding even more,
> as far as I can't see ;-(

yes, nobody's spinning on the /proc lock any more.

I don't understand why all the tasks in set_cpus_allowed() are showing up
as being in " R " state. Possibly the wait_for_completion() in there is
stack gunk and they're really spinning on the runqueue lock?

You haven't tried disabling sched_migrate_task() yet?

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