[drm2][panic] Running XOrg with SNA enabled causes system panic after few hours on G33

[Artyom Mirgorodskiy]

Hm, yesterday I turn off SNA optimization and got hang when shutdown :(

On Wednesday 19 June 2013 00:25:55 Konstantin Belousov wrote:
> On Wed, Jun 19, 2013 at 01:11:19AM +0400, Oleg Sidorkin wrote:
> > On Sun, Jun 16, 2013 at 6:27 PM, Konstantin Belousov
> > 
> > <kostikbel at gmail.com> wrote:
> > > On Sun, Jun 16, 2013 at 06:04:39PM +0400, Oleg Sidorkin wrote:
> > >> Thanks for the patch.
> > >> I've adapted the proposed patch for stable/9 and it is running with
> > >> SNA enabled now.
> > > 
> > > In other words, your problem seems to be gone with the patch applied ?
> > 
> > Now 48h are passed without panics. Fix definitely works. Thanks.
> 
> Thank you.
> 
> I tested it locally (without SNA) and committed the change a hour ago.
> It is required anyway, since the race sounds possible.  I was mostly
> concerned with a thinko in the logic.
-- 
Artyom Mirgorodskiy