[Mesa-dev] [Bug 100262] libswrAVX2.so Causes hang with QOpenGLWidget

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100262

--- Comment #1 from Tim Rowley <timothy.o.rowley at intel.com> ---
Not seeing a hang here, but a transparent area where the OpenGL should be
rendered to.

what version of Mesa and Qt were you using?

If you don't mind running an experiment, could you try setting
KNOB_MAX_WORKER_THREADS=4 in the environment before running hellogl2?  This
will stop swr from binding threads which might possibly be confusing Qt's
internal threading.

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