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

From: Chris Wilson
Date: Tue Jan 25 2011 - 09:45:09 EST


On Tue, 25 Jan 2011 15:14:39 +0100, Knut Petersen <Knut_Petersen@xxxxxxxxxxx> 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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