On Tue, 20 Sep 2011 12:41:16 +0200, Rainer Dorsch <[email protected]> wrote:
> I am wondering what I could do to figure out the root cause of the problem. I
> forgot to try, but I assume, that I could ssh into the machine and do some
> diagnosis, when the problem occurs. Are there logs which could help? I attach
> the syslog below...
Are you running the current 3.0.0 kernel from testing?
A kernel log with drm debug parameter set to 5 would be ideal; that will
show all of the mode setting logic happening at resume time which is
presumably not working. Two sessions, one working and one not working
would make identifying trouble easier.
You can set the drm debug parameter with a kernel command line option
drm.debug=5
Second, the output of 'intel_reg_dumper', which doesn't appear to be
packaged for debian yet. That's available from:
git://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools
Again, having both working and non-working output makes it easy to
identify any differences which may point out the problem.
--
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