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
