Re: xserver-xorg-video-intel does sometimes not resume
On Tue, Sep 20, 2011 at 12:32:46 +0200, Rainer Dorsch wrote:
> Hello,
>
> I have occasionally (maybe once a week) the problem, that my system does not
> resume after a suspend. To be precise: the screen has no signal, but the
> system itself is up an running (and re-suspends after 10 minutes of inactivity
> as configured). When I resume the re-suspend, that usually works. I.e. here the
> complete sequence:
>
> 1. System suspends
> 2. Resume, but occasionally no video signal available
> 3. System re-suspends automatically after 10 minutes of inactivity
> 4. Resume usually works (or sampling rate too small to hit the problem)
>
> 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...
>
Boot with drm.debug=6 and compare dmesg from a successful vs failed
resume.
Cheers,
Julien
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