How to debug drm/kernel on system freeze

Tue May 3 07:43:24 PDT 2011

On Die, 2011-05-03 at 16:34 +0200, Frederik Vogelsang wrote: 
> 
> 2011/5/3 Alex Deucher <alexdeucher at gmail.com>:
> > Have you tried a newer kernel, ddx, and mesa?
> yes, I've always been running linux-git, mesa-git, libdrm-git and
> xf86-video-ati-git.
> 
> I've experienced this issue for a long time (at least since 2.6.3x),
> so I finally wanted to help out debugging it. It's just that I cannot
> produce *any* debug output on a frozen machine ATM.

*If* the kernel produes any more output, you might get at it with a
serial console or netconsole.

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