Bug#439382: xserver-xorg-video-intel: lines artifacts when scrolling in desktop app after suspend/resume

[Jérémy Lal <jeremy.lal@m4x.org>]

Brice Goglin a écrit :
> Jérémy Lal wrote:
>   
> > i tried to relaunch X after resume but the garbage lines are still there.
> > i don't get why i need to reboot to make the problem disappear ?
> >     
>
>
> Maybe the software does not prepare the hardware correctly before
> suspend, then the hardware state is screwed after resume and the
> software is not able to restore it to a correct state even when
> reloading kernel modules and X.
>
> Unfortunately, the support for suspend still has lots of bugs and I
> don't see a lot of fixes coming from upstream...
>
> Are you doing suspend-to-disk or to-ram?
both
> Does it help if you switch to
> VT console before suspend?
i'll try but last time i did, resume crashed.
> Does suspend work better with XAA?
>   
same result with or without.

i don't complain as i barely use suspend/resume, and my laptop is not 
supported.
but as i had that bug about appearance of lines while scrolling, i was 
wondering
why would that reappears after suspend/resume.
> Brice
>
>
>