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SubjectRe: [linux-pm] Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt_count leakage in keventd
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On Monday 09 November 2009, Alan Stern wrote:
> On Mon, 9 Nov 2009, Rafael J. Wysocki wrote:
>
> > Still, RIP always points to list_del_init(cwq->worklist.next); in
> > run_workqueue().
>
> Use a big hammer: Create a new global variable, set it to 1 while
> resuming and back to 0 after the tasks have been thawed. While the
> variable is nonzero, print in the log the list pointers in
> cwq->worklist just before executing the list_del_init(). Maybe also
> print some other interesting information about cwq.

I've just sent a message containing full call trace.

It shows the problem is a general protection fault that happens _after_ we've
thawed tasks.

Thanks,
Rafael


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