[Bug 96671] MATLAB hangs with DRI3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96671

--- Comment #17 from Martin Peres <martin.peres at free.fr> ---
(In reply to Rick from comment #15)
> The hang should occur with the latest MATLAB releases (16a and 16b).  MATLAB
> should be using hardware OpenGL by default, so there shouldn't be a need to
> provide the -nosoftwareopengl startup argument.  It is possible that MATLAB
> start up detected a problem with the graphics hardware support and switched
> to using software OpenGL.  If you start MATLAB without the -nosoftwareopengl
> argument, what output does the 'opengl info' command produce?  Thanks.

OK, I figured out why matlab reverted directly to using the software GL:
sys/os/glnxa64/libstdc++.so.6: version `CXXABI_1.3.9' not found

This libstdc++ is a little old and does not support the new CXXABI introduced
in gcc 4.9 which archlinux is using. I deleted this file and it reverted back
to using the system-provided library.

I still get a crash though
(https://bugs.freedesktop.org/attachment.cgi?id=129134). Will try to debug with
gdb what the heck is going on.

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