Re: 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)

Oliver Neukum
2009-11-11T21:42:04Z

Am Mittwoch, 11. November 2009 22:38:08 schrieb Linus Torvalds:
> On Wed, 11 Nov 2009, Oliver Neukum wrote:
> > Yes, btusb_close() needs to cancel the waker workqueue, too.
> > In addition, in order to avoid a memory leak it must call
> > usb_scuttle_anchored_urbs(&data->deferred)
> > to make sure any deferred data is destroyed.
>
> Ok. I committed the one-liner patch to fix the oops (confirmed by Rafael),
> but I'm leaving the memory leak for you as I'm not going to commit some
> untested patch at this stage.
>
> Thanks to everybody involved, I was personally very nervous that this was
> something much more fundamental (we've had some scary bugs during the
> 32-rc series), and am relieved that it was "just" a silly driver bug.

Thanks. A patch is in the works.

Regards
Oliver