Bug#628080: xserver-xorg-video-radeon: Low performance after a period of inactivity

Michel Dänzer daenzer at debian.org
Wed Jun 1 00:14:34 PDT 2011

On Fre, 2011-05-27 at 01:30 +0200, dayer wrote:
> Package: xserver-xorg-video-radeon
> Version: 1:6.14.1-1+b1
> Severity: normal
> Hi,
> I haven't any problem with perfomance unless I leave the computer alone around
> two hours. If I don't use it in 20 minuts, when I back there's no problem. But
> with more time, e.g. 2 hours, when I back the performance is very low.
> In these situations I can't write fluently neither Iceweasel nor Gnome
> Terminal, for instance, and windows are minimized/restored very slowly, with
> cuts. If I restart GDM the problem is still and the solution is reboot the
> system.

Are you using an OpenGL compositing manager such as gnome-shell or compiz?

When the problem occurs, do the radeon numbers in /proc/interrupts increase?

> Kernel version (/proc/version):
> -------------------------------
> Linux version 2.6.38-2-amd64 (Debian 2.6.38-5) (ben at decadent.org.uk) (gcc version 4.4.6 (Debian 4.4.6-3) ) #1 SMP Sun May 8 13:51:57 UTC 2011

It's a long shot, but maybe you could try if a 2.6.39 kernel helps.

> [    19.935] (II) RADEON(0): AGP card detected

Does booting with radeon.agpmode=-1 on the kernel command line help?

Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer

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