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SubjectRe: GPF in run_workqueue()/list_del_init(cwq->worklist.next) on resume (was: Re: Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt_count leakage in keventd)
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Am Mittwoch, 11. November 2009 21:24:33 schrieb Oleg Nesterov:
> > So, it looks like the bug is in btusb_destruct(), which should call
> > cancel_work_sync() on data->waker before freeing 'data'. I guess it
> > should do the same for data->work.
>
> Or. btusb_suspend() and btusb_close() do cancel_work_sync(data->work),
> perhaps they should cancel data->waker as well, I dunno.
>
> I added Oliver to cc.

btusb_close() must do it. btusb_suspend() must not do it.

Regards
Oliver


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