[Bug 92287] New: Display errors in Qt applications after using Android Virtual Devices

[Bug 92287] New: Display errors in Qt applications after using Android Virtual Devices

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

            Bug ID: 92287
           Summary: Display errors in Qt applications after using Android
                    Virtual Devices
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org

Created attachment 118670
  --> https://bugs.freedesktop.org/attachment.cgi?id=118670&action=edit
Screenshot showing the problems

After using an Android Virtual Machine (from Android Studio,
https://developer.android.com/sdk/index.html) and stopping it, Qt/KDE
application will show weird display errors. Pixmaps get drawn poorly aligned or
with parts of them corrupted or just not at all, some windows are translucent
when they should not be, drop down menus are not drawn fully (some items do not
get drawn, although the space for them is still reserved) and have horizontal
bars, either black or of various weird colors, through them. Most applications
affected by this become unusable. I will attach a screenshot that shows the
problem.

Only Qt/KDE applications seem to be affected by this, as far as I can tell.
Only applications that are newly started after this will be affected, not
applications that have been running before but have opened new windows. When
these problems start to happen, only restarting the computer seems to fix them,
simply restarting the X server is not enough.

On two occasions so far, the problems were even worse: The X display froze
completely, except for mouse movements, and I could no longer switch the
keyboards NumLuck LED on or off by pressing Numlock. I had to reset the machine
with a SysRq sequence.

This problem is not always reproducible, but seems to happen more often when
running two AVDs simultaneously and then quitting them. The AVDs need to be
configured to "Use Host GPU". I have not found any other way to reproduce this.

My system:

Gentoo Linux on x86_64
X server: xorg-server 1.17.2-r1
Display driver: 1.0.11
Mesa: 11.0.2
Kernel version: 4.2.2

This also happened with earlier versions of the X server and Mesa. I upgraded
those after this problem first started,

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #118670|text/plain                  |image/png
          mime type|                            |

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #1 from Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> ---
Created attachment 118671
  --> https://bugs.freedesktop.org/attachment.cgi?id=118671&action=edit
dmesg output when the problem occured

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #2 from Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> ---
Created attachment 118672
  --> https://bugs.freedesktop.org/attachment.cgi?id=118672&action=edit
Xorg logfile from when the problem occured

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #3 from Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> ---
Correction:

It just happened again, and this time, even application that have been running
the whole time are affected.

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #4 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Seems like something may have gotten overwritten (like the background texture
was made to be fully transparent). Odd.

You might try with mesa-git -- there are a handful of patches on there that
deal with resource lifetime issues, but I doubt it will do anything to resolve
your problem.

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #5 from Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> ---
> You might try with mesa-git -- there are a handful of patches on there that deal with resource lifetime issues, but I doubt it will do anything to resolve your problem.

I've installed mesa git, and so far, it looks like that solves the reported
problems, although sometimes they take a while to manifest. Will report back
tomorrow.

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #6 from Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> ---
It looked good yesterday, but today the problem is back...

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

--- Comment #7 from Guido Winkelmann <guido-WHizhSsHnEbSgI/GaPOurUTU+k/KrAxG@public.gmane.org> ---
One more addendum:

Since upgrading to mesa-git yesterday, the problem seems to randomly solve
itself every once in a while, whereas before, it could only be solved by
rebooting...

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[Bug 92287] Display errors in Qt applications after using Android Virtual Devices

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https://bugs.freedesktop.org/show_bug.cgi?id=92287

GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #8 from GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1086.

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