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Binary package hint: gnome-control-center

release: ubuntu 9.10
package: gnome-control-center  1:2.28.1-0ubuntu1

related information:

00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)

xserver-xorg: 1:7.4+3ubuntu7
xserver-xorg-video-intel:  2:2.9.0-1ubuntu2
libxrandr2: 2:1.3.0-2

How to reproduce the bug:
start your computer (laptop) without any external display plugged in.
Let your Gnome session starts.
plug the VGA cable in.
launch gnome-display-properties.

What's happening:
X crashes (freeze).

relevant Xorg.0.log entries: (at the end of the file)
""
(II) intel(0): Allocate new frame buffer 2704x1050 stride 4096
""

What strikes me is that the intel driver is told to allocate a 2704*1050 FB whereas specs available at
http://www.intel.com/design/mobile/specupdt/309220.htm page 375 state that maximum resolution is 2048x1536.

What's expected:
Well, the gnome-display-properties window is expected.

More information:
-Starting X with the external display already plugged in works, ie: I can launch gnome-display-properties.
-if you reproduce the bug process and change the call to gnome-display-properties by a call to xrandr, same bug occurs

ProblemType: Bug
Architecture: i386
Date: Fri Oct 23 20:22:07 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/gnome-display-properties
Package: gnome-control-center 1:2.28.1-0ubuntu1
ProcEnviron:
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: gnome-control-center
Uname: Linux 2.6.31-14-generic i686

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386
-- 
gnome-display-properties/xrandr crashes X server when loading after pluging an external display
https://bugs.edge.launchpad.net/bugs/459322
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