Re: linux-next: Tree for Apr 26 [ bluetooth on suspend/resume ]

[Sedat Dilek]

On Sat, Apr 27, 2013 at 12:04 AM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> On Fri, Apr 26, 2013 at 11:07:44PM +0200, Sedat Dilek wrote:
>> > The second argument %rsi is zero, which got transferred to %r13 and
>> > then offset deref on it trapped.
>> >
>> > The second argument is @wq and the oopsing code is the wq->flags deref
>> > in the following if condition.
>> >
>> >         /* if dying, only works from the same workqueue are allowed */
>> >         if (unlikely(wq->flags & __WQ_DRAINING) &&
>> >                 WARN_ON_ONCE(!is_chained_work(wq)))
>> >                 return;
>> >
>> > So, umm, don't pass in NULL as @wq. :)
>> >
>>
>> Do you have a patch for this?
>
> Heh, I haven't even looked at the caller.  It's a bug on the workqueue
> user side.
>

[ CC Frederic ]

You should explain that a bit.

I have tested with my "problematic -3" kernel and did not see the warning again.
So, I assume it's independent of linux-dynticks kconfig-settings.

- Sedat -

> Thanks.
>
> --
> tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/