linux-kernel - Re: [BISECTED] drm: random hang since 620f378 "drm: prune modes when ..."

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Message-Id: <200912090007.45545.arnd@arndb.de>
Date:	Wed, 9 Dec 2009 00:07:45 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Dave Airlie <airlied@...hat.com>
Cc:	Adam Jackson <ajax@...hat.com>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.sourceforge.net
Subject: Re: [BISECTED] drm: random hang since 620f378 "drm: prune modes when ..."

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.

	Arnd
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