[Bug 92951] New: Screen updates only when moving the mouse

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92951

            Bug ID: 92951
           Summary: Screen updates only when moving the mouse
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: sergio.callegari at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Hi, I am seeing the issue on a machine with the following configuration:

- Kubuntu linux 15.10 64 bit

X.Org X Server 1.17.2
Intel driver 2.99.917 (+git 20150808 as shipped by ubuntu)
libdrm 2.4.94
mesa 11.0.2
kernel 4.2.0

- Intel haswell laptop
Intel Corporation Crystal Well Integrated Graphics Controller (rev 08)

The issue seems to be triggered by using Libreoffice 5.0.3 impress for a
sufficiently long time. It is visible in the slide editing mode, not in
presentation.

When you start using libreoffice impress everything is fine.

After some use, the screen stops updating. For instance, you press page down
and the slide you are working on does not change. Or you click on an object
handle and the latter does not appear as selected. However, as soon as you move
the mouse, the screen gets updated.

Note that the issue does not happen immediately. You need to use Libreoffice on
a complex document for about 1 hour before seeing the issue.

It is unclear to me if this is an issue with Libreoffice or with the Intel
driver. However, from googling I see that in the people ware complaining about
something very similar happening with firefox.

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