lkml.org 
[lkml]   [2007]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.6.22-rc6 spurious hangs

* Oleg Nesterov <oleg@tv-sign.ru> wrote:

> > > ->disconnect_pending is used without any locks/barriers, perhaps
> > > this is the reason.
>
> I misread cinergyt2_release, it checks !->disconnect_pending, so it is
> very clear why cinergyt2_query_rc() tries to take the mutex.
>
> > > I'll try to look further tomorrow. In any case, cinergyT2 should not
> > > use flush_scheduled_work() at all.
> >
> > would the hack below be worth trying, to see whether there are any
> > further problems?
[...]
> I don't think we can just kill flush_scheduled_work(). We can use
> cancel_rearming_delayed_work() instead of
> cancel_delayed_work()+flush_scheduled_work()
>
> Still we can't do this under cinergyt2->sem, because cinergyt2_query()
> takes it too. This all looks very wrong to me, I hope maintaners can
> explain.

i've Cc:-ed the maintainers.

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

\
 
 \ /
  Last update: 2007-06-29 16:13    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site