Bug#520882: fglrx-modules-2.6.26-1-686: Prevents shutting down gdm & uswsusp

[maximilian attems <max@stro.at>]

On Mon, Mar 23, 2009 at 11:19:15AM +0200, Harri Kiiskinen wrote:
> Package: fglrx-modules-2.6.26-1-686
> Version: 2.6.26+8-12-2
> Severity: important
> 
> This is an ephemereal thing, and I'm not sure fglrx is the real cause, but its presence makes it manifest.
> 
> When the fglrx kernel driver is loaded, gdm is running, and X is using the fglrx driver (all from testing as of 2009/03/23), there are two ways to lock the computer (Acer Travelmate 8100) so, that 
> nothing except five seconds of power button has any effect:
> 
> 1. Try to kill gdm with /etc/init.d/gdm stop. This actually does not hang yet, but it does not kill all the processes, there is one instance of gdm and one of X still running after this. Nothing 
> appears in the log files. Now, to try to kill either of these still running processes either has no effect (even by root with kill -9) or locks the computer as described.
> 
> 2. Try to hibernate the computer with s2disk from uswsusp. The display switches to console, with the preliminary hibernation message, and after that, nothing happens. Only way out through the power 
> button. A few times it has been possible to switch to another VT, and actually write a command using the root accout loogged in there, but after pressing enter, nothing happens, and no prompt appears 
> any more.
> 
> In neither case, there's nothing in the log files that seems related to the case, things just stop.
> 
> If I remove the fglrx kernel driver from my system, both 1. and 2. work as they should. It does not matter, whether I use the precompiled modules from testing or compile the modules with module 
> assistant.
> 
> I'm willing to provide more information, but need to be productive, and did remove fglrx kernel module already, as I don't strictly need it. I'd attach the logs if they had anything to show around the 
> times of the crash...
> 
> Harri K.

depending on what card you have you might not need fglrx at all for 3d,
did you try xserver-xorg-video-ati  from experimental?