[Bug 246906] Re: switching user twice in Gnome causes X crash

[Bryce Harrington]

** Description changed:

  First let me say that I believe that the following bug is NOT a duplicate of Bug 160264 although it might seem very similar at first look.
  I have the following problem:
  In Gnome (Hardy 8.04) I cannot switch the user twice without logging out. It neither works with the user-switcher nor via the menu (in contrast to the bug report  Bug 160264). In addition it does not seem to be related to compiz, because compiz is switched off for both users.
  Nevertheless, the behaviour is similar to bug 160264:
  
  Switching once works without problems. When I try to switch back, I get a black screen but I can see the mouse cursor. In difference to Bug 160264 and similar bug reports, the screen remains black, even after entering the password at the position where the cursor becomes a text-cursor. In fact, entering the password works, because after that I can blindly (using alt-f2) start some applications, but the screen still remains black. I have found no single way to get back a normal screen and thus no way to switch users which is a rather severe bug in my eyes.
  My Grafik Card is according to my online-manual (which provides me with two options...)
  Intel 945GM/940GML Graphics (DVMT 64/128MB).
   
  Let me know if you need further information.
  - Sebastian
  
  ProblemType: Bug
  Architecture: i386
  Date: Wed Jul  9 14:01:01 2008
  DistroRelease: Ubuntu 8.04
  Package: firefox-3.0 3.0+nobinonly-0ubuntu0.8.04.1
  PackageArchitecture: i386
  ProcEnviron:
   PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: firefox-3.0
  Uname: Linux 2.6.24-19-generic i686
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
+     	Subsystem: Samsung Electronics Co Ltd Unknown device [144d:c504]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller])
+     	Subsystem: Samsung Electronics Co Ltd Unknown device [144d:c504]

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switching user twice in Gnome causes X crash
https://bugs.launchpad.net/bugs/246906
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