Bug#473838: xserver-xorg-video-intel: Blank screen with intel driver 2.3-rc2

[Julien Cristau <jcristau@debian.org>]

retitle 473838 [855GM] blank screen with panel fitting changes
kthxbye

On Wed, Apr  2, 2008 at 00:11:50 +0200, Soenke wrote:

> Hi everyone!
> 
> Sorry for submitting this report twice, I had my from address wrong on the
> first one.
> 
> Since updating xserver-xorg-video-intel 2:2.2.99.901-1 (2.3-rc1) to
> xserver-xorg-video-intel 2:2.2.99.902-1 (2.3-rc2), I get a blank screen (no
> backlight, no picture) on X start-up. This happens with kdm as well as startx.
> SSH to the machine is possible. Killing kdm/Xorg, doing vbetool post and
> restarting X with a working driver gets me a working X-session.
> 
> I bisected the 2.3-branch between rc1 and rc2 which yielded:
> 
> 5a06388bf83c97f49565ad482161645f996492c7 is first bad commit
> commit 5a06388bf83c97f49565ad482161645f996492c7
> Author: Jesse Barnes <jbarnes@nietzche.virtuousgeek.org>
> Date:   Thu Mar 13 18:12:00 2008 -0700
> 
>     Initial panel fitting changes
>             
>     Basic support for panel fitting.
>     (cherry picked from commit
>     05cf07071e25f84dec3476a9bed7235ed50cd249)
> 
> :040000 040000 a399b1655e5abffd004acc075112605feb164133 554e572255cb3f4969b43a01 b3cd68f5bcda674e M      man
> :040000 040000 8ca4a4150c7eec73134ad22d9d26132d9dcb6dc6 ccabfda1699deb72ee847103 94b02d858d5fa513 M      src
> 
> I haven't used git that much before, hope I got it right.
> 
Thanks for the report and bisecting, Soenke.

> Xorg X server log files on system:
> -rw------- 1 root root 34276 2007-11-10 00:28 /var/log/Xorg.9.log
> -rw-r--r-- 1 root root 34534 2008-02-04 13:08 /var/log/Xorg.1.log
> -rw------- 1 root root 30935 2008-04-01 23:53 /var/log/Xorg.0.log
> 
> Contents of most recent Xorg X server log file
> /var/log/Xorg.0.log:
> 
Unfortunately this is missing.  Can you attach a log from when you get
the black screen, if possible with the ModeDebug option turned on in
xorg.conf?

Cheers,
Julien