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Bug#832794: xserver-xorg-core: modesetting on some Intel hw causes xmgrace graphical glitches



On Mon, 1 Aug 2016 20:22:15 +0300 Timo Aaltonen wrote:

> On 29.07.2016 00:27, Francesco Poli (wintermute) wrote:
[...]
> > Hello again X Strike Force,
> > I found out another regression caused by the use of the modesetting X
> > video driver on one box (this regression does not seem to show on
> > another box with more recent Intel graphics hardware...).
> > 
> > Steps to reproduce (on a box with the graphics hardware described below):
[...]
> 
> Thanks, I've reproduced this and filed it upstream:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=97169

Thanks to you! :-)
This is really appreciated.

> 
> What more recent gfx ghw have you tested that doesn't see this? BDW at
> least seems ok here.

The following hardware seems to work fine with xmgrace (and the
modesetting X video driver):

  $ LC_ALL=C lspci -nn | grep 'VGA compatible controller'
  00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0106] (rev 09)

Another box where xmgrace seems to work fine (with the modesetting X
video driver) has the following hardware:

  $ LC_ALL=C lspci -nn | grep 'VGA compatible controller'
  00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06)


I hope this helps to pinpoint the issue.
Thanks for your time!



-- 
 http://www.inventati.org/frx/
 There's not a second to spare! To the laboratory!
..................................................... Francesco Poli .
 GnuPG key fpr == CA01 1147 9CD2 EFDF FB82  3925 3E1C 27E1 1F69 BFFE

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