Re: 4.8-rc1: it is now common that machine needs re-run of xrandr after resume

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On Wed, 14 Sep 2016, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote:
> On Wed, 14 Sep 2016, Pavel Machek <pavel@xxxxxx> wrote:
>> Hi!
>>
>>> I have
>>> 
>>> 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset
>>> Integrated Graphics Controller (rev 03)
>>> 
>>> In previous kernels, resume worked ok. With 4.8-rc1, I quite often (1
>>> in 10 resumes?) get in state where primary monitor (DVI) is dead (in
>>> powersave) and all windows move to secondary monitor (VGA). Running
>>> "xrandr" fixes that.
>>> 
>>> I'll update to newer rc and see if it happens again, but if you have
>>> any ideas, now would be good time.
>>
>> Ok. With -rc6, X are completely broken. I got notification "could not
>> restore CRTC config for screen 63" or something like that, and window
>> manager just does not start.
>
> Ugh. Can you bisect from v4.7, assuming it worked? That's probably the
> fastest way to resolve this.

Also, if you don't mind, please file a bug at [1], attaching the logs
there. It'll be easier for me to direct attention and priority to the
bug, which will help you too in the end.

Thanks,
Jani.

[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel

-- 
Jani Nikula, Intel Open Source Technology Center
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