linux-kernel - Re: [BUG/REGRESSION] DRM / i915 / 2.6.37 and 2.6.38-rc*: DVI output gets disabled/reenabled under load

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Date:	Tue, 25 Jan 2011 14:44:58 +0000
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Knut Petersen <Knut_Petersen@...nline.de>
Cc:	jesse.barnes@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [BUG/REGRESSION] DRM / i915 / 2.6.37 and 2.6.38-rc*: DVI output gets disabled/reenabled under load

On Tue, 25 Jan 2011 15:14:39 +0100, Knut Petersen <Knut_Petersen@...nline.de> wrote:
> Well, I don't know if openSuSE 11.3 is recent enough.
> Setup: 2 Monitors, attached to VGA1 and DVI1, resolution 1280x1024
> 
> xrandr  --output VGA1 --pos [1..768]
> ============================
> Everything ok. Works as expected.
> 
> xrandr --output VGA1 --pos 769

Just retested on my PineView netbook:

$ xrandr --output LVDS1 --mode 1024x600 \
         --output VGA1 --mode 1920x1080 --right-of LVDS1

is working fine.

The empty backtrace is most bizarre. Do you get a more reliable stacktrace
if you attach gdb before the crash?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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