ati radeon : hangs between CTRL+ALT+Fx's

Alex Deucher alexdeucher at
Fri Oct 24 07:24:20 PDT 2008

On Fri, Oct 24, 2008 at 8:45 AM, Sebastian Glita <glseba at> wrote:
> Hi,
> I have an ugly problem with X hangs.
> Just a while ago, before xorg-server 1.5.2, xf86-video-ati used to work perfect, even with hibernation.
> Now xf86-video-ati from git hangs by blanking 2 thirds of the screen, when switching CTRL+ALT+Fx or resuming from hibernation.
> DRI option enabled or not, it makes no difference; or with or without drm and radeon modules builtin. (those from git "x11-drm" do not work with 2.6.26 kernel.)
> Finding similar posts, I tried using "NoAccel" "on": seems to work, yes, but too slow.
> Option "AccelMethod" set to "EXA" has a similar behaviour.

Try removing all of the options in your config and see if that helps.
Also, this option:
Option          "AGPFastWrite"          "1"
Will almost always cause problems.  Remove that.


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