[Bug 89291] New: graphical glitches in the circulating symbol while waiting for an application

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89291

            Bug ID: 89291
           Summary: graphical glitches in the circulating symbol while
                    waiting for an application
           Product: xorg
           Version: unspecified
          Hardware: Other
               URL: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=7789
                    91
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: bugzilla at mobybit.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

This problem affects multiple application. E.g. Empathy:

Connecting to an account takes a while. The process is visualized by two
circulating symbols in the empathy window. The normal behaviour should be that
these symbols integrate well in the background of the window. But instead of
this they have a little black square background (see pictures).

After generating /usr/share/X11/xorg.conf.d/20-intel.conf with the
following content...

Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "AccelMethod"  "sna"
EndSection

...the problem is solved. This workaround results in little tearing.
Adding the tearfree option doesn't help and results in stuttering.

Anyway: It would be nice to have a real fix instead of this workaround. The
driver in Debian is old. Perhaps it exists a fix that I couldn't find.

Package: xserver-xorg-video-intel
Version: 2:2.21.15-2+b2
Debian Jessie

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