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SubjectRe: [BISECTED] drm: random hang since 620f378 "drm: prune modes when ..."
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On Wed, 2009-12-09 at 00:07 +0100, Arnd Bergmann wrote:
> On Tuesday 08 December 2009, Dave Airlie wrote:
> > >
> > > Sorry for blaming the wrong patch, especially if it already caused a lot
> > > of work. I'll try blaming ec2a4c3fdc8 "drm/i915: get the bridge device
> > > once" now, that is the next-best candidate that my bisection pointed to,
> > > but I'll do more rigorous testing.
>
> It just crashed again with both 620f378 and ec2a4c3fdc8 reverted as well,
> after about an hour of uptime.
>
> > Btw is this just a laptop with no monitor plugged in?
> >
> > just want to rule out the patch you mentioned for any sort of memory
> > corruption.
>
> It's a desktop machine with three outputs, Asus P5Q-EM mainboard.
> VGA is not connected at all, DVI has an open-ended cable on it, i.e. no
> screen on it. HDMI is connected through a cheap passive HDMI multiswitch
> to the DVI-D input of a Lenovo screen.


CC'ed the Intel ppl,

regression since 2.6.31 by the looks of it, bisection has found two
false positives so far.

Dave.



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