Bug 96784 - Repaint-glitches with Libreoffice
Summary: Repaint-glitches with Libreoffice
Status: NEW
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: Chris Wilson
QA Contact: Intel GFX Bugs mailing list
Depends on:
Reported: 2016-07-02 16:05 UTC by Clemens Eisserer
Modified: 2016-07-19 09:44 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

geany editor missing half of its UI after it had been minimized (146.76 KB, image/png)
2016-07-19 09:44 UTC, Clemens Eisserer
no flags Details

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Description Clemens Eisserer 2016-07-02 16:05:00 UTC
I experience frequent and reproduceable redraw-glitches running LibreOffice-5.1.4 on my Haswell-based Ultrabook under Fedora-24. These glitches go away when I switch the rendering backend to OpenGL.

A video illustrating the issue is available at: https://www.youtube.com/watch?v=9TI-Lum0S_k

As the glitches do not show up when running a screen grabber, I assume there is some driver-issue.

X.Org X Server 1.18.3
Integrated Graphics Chipset: Intel(R) HD Graphics 4400
intel 2.99.917 (shipped with F24)
no compositor (xfwm / xfce)
Comment 1 Chris Wilson 2016-07-02 16:32:14 UTC
Not to mention the rendering looks very slow as well. Can you build xf86-video-intel.git and attach its xorg.log? Mainly so I have a clear base.
Comment 2 Clemens Eisserer 2016-07-02 17:12:09 UTC
seems to be solved with git, I'll file a bug against Fedora asking to upgrade the intel driver.

by the way, what is the reason there are no new releases anymore?
for distributions it must be a nightmare riding on git code...
Comment 3 Clemens Eisserer 2016-07-02 17:15:16 UTC
reported here: https://bugzilla.redhat.com/show_bug.cgi?id=1352225
Comment 4 Clemens Eisserer 2016-07-18 20:08:11 UTC
Even if the reported issue seems to be fixed, SNA seems to be somewhat fishy even with GIT.

From time-to-time I get repaint-glitches on my haswell-ulv based laptop, unfortunately too sporadic to reproduce. Things like windows which are white until something causes a repaint, scrolling artifacts in firefox, etc. Those things happen quite seldom and are gone when the application redraws contents - but I didn't observe it on earlier kernel+intel-ddx combinations.
Comment 5 Clemens Eisserer 2016-07-19 09:44:40 UTC
Created attachment 125139 [details]
geany editor missing half of its UI after it had been minimized

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