[Bug 92295] 2nd instance of GL app is frozen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92295

            Bug ID: 92295
           Summary: 2nd instance of GL app is frozen
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: stu.axon at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

If I run two instances of this python pyglet program, the 2nd instance is
frozen until I stop the first one (same with other apps).

Program that freezes (needs python and pyglet) - is in this directory
https://github.com/stuaxo/graphics-playground/tree/master/daily7


My system is a laptop with Optimus, and running with DRI_PRIME=1 the program
doesn't freeze.


I've recently enabled SNA, this hasn't fixed the freezing, but has made
DRI_PRIME apps work OK (about half used to start with a black window until
resized, they now work - glxgears worked, glxspheres was black).


Running oibaf drivers, with Nouveau on the nvidia half.

uname -r 3.19.0-28-generic
OS:  Ubuntu 15.04 64 bit
Hardware: ASUS n56Vz

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