[Mesa-dev] [Bug 93003] mesa 11.x with vmwgfx (vmware Fusion 8.x) graphical corruption under gnome-shell on GTK applications.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93003

            Bug ID: 93003
           Summary: mesa 11.x with vmwgfx (vmware Fusion 8.x) graphical
                    corruption under gnome-shell on GTK applications.
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Other
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: leech at thefnords.org
        QA Contact: mesa-dev at lists.freedesktop.org

After extensive testing, I've narrowed this issue down to the version of mesa I
am running.

If you install any Linux distribution that is using 11.0 version of Mesa on
VMware Fusion 8.x (may also affect 7.x) and enable 3D acceleration, GTK
applications under gnome-shell (running version 3.18) will have their
brightness and transparency levels randomly change, and windows will leave
black smudges randomly over others.

Probably the easiest way to see this, is to install Fedora 23, OpenSUSE 42.1 or
a fully updated Debian Stretch (I haven't tested this yet, Debian Sid was doing
it, and they only just pulled 11.0.5 into Stretch today, and I held my
packages, figuring it'd cause the issue.)

I found out it was the Mesa library by installing Fedora 23, then downgrading
all of the mesa libraries to Fedora 22's version.  And then when I installed
Debian Testing (Stretch) it still had mesa 10.6.8 and was working fine.

I'm not sure if this is a conflict in gnome-shell's compositor, mesa, or
vmwgfx, I only know mesa 11.x is causing it.  GTK applications work fine under
KDE Plasma desktop (making me think it's gnome-shell's issue), but Qt
applications work fine under Gnome-shell, which made me think it might be
GTK's.

But 3D acceleration+mesa 11.x+gnome-shell makes for a very unpleasant
experience.

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