1 个投票

Today, I upgraded my linux ubuntu OS and the open GL has started to misbehave. When I run matlab from the terminal, the following error messages shows up in the terminal:
libGL error: MESA-LOADER: failed to open iris (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
libGL error: failed to load driver: iris
libGL error: MESA-LOADER: failed to open iris (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
libGL error: failed to load driver: iris
libGL error: MESA-LOADER: failed to open swrast (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
libGL error: failed to load driver: swrast
Gtk-Message: 19:01:01.023: Failed to load module "canberra-gtk-module"
libGL error: MESA-LOADER: failed to open iris (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
libGL error: failed to load driver: iris
libGL error: MESA-LOADER: failed to open iris (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
libGL error: failed to load driver: iris
libGL error: MESA-LOADER: failed to open swrast (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
libGL error: failed to load driver: swrast
In addition, when matlab opens, i get the following error messages in MATLAB prompt:
com.jogamp.opengl.GLException: X11GLXDrawableFactory - Could not initialize shared resources for X11GraphicsDevice[type .x11, connection :0, unitID 0, handle 0x0, owner false, ResourceToolkitLock[obj 0x21f25922, isOwner false, <7e533fff, 73c0ad7a>[count 0, qsz 0, owner <NULL>]]]
at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:326)
at jogamp.opengl.SharedResourceRunner.run(SharedResourceRunner.java:297)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.jogamp.opengl.GLException: AWT-EventQueue-0-SharedResourceRunner: Unable to create temp OpenGL context(1)
at jogamp.opengl.x11.glx.X11GLXContext.createImpl(X11GLXContext.java:368)
at jogamp.opengl.GLContextImpl.makeCurrentWithinLock(GLContextImpl.java:759)
at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:642)
at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:580)
at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:297)
... 2 more
For this reason, the figures are poorly rendered.
Any help please?

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 采纳的回答

Kwame Atta Gyamfi
Kwame Atta Gyamfi 2020-5-27

11 个投票

I have just managed to solved this problem now.
I asked matlab to change the value of the MESA driver loader to the previous driver before the upgrade in the .bashrc:
phd7@phd7-HP-EliteBook-830-G5:~$ export MESA_LOADER_DRIVER_OVERRIDE=i965; matlab.

4 个评论
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Martin Gander
Martin Gander 2020-6-23
Great, this worked for me as well, and also works for maple !
LeChat
LeChat 2021-4-19
Thank you! This also save the issue for me. (mind removing the point at the end, after "matlab", obviously)
LeChat
LeChat 2021-4-19
Actually it worked but I need to run this command everytime I reboot my computer... Any way to make this change durable?
@LeChat
You could make the i965 driver be preferenced system-wide by creating a ~/.drirc file per the instructions here.

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