Hello, PTB community!
I have some issues with my setup. I have a Linux PC and I needed to reinstall everything due to a graphic cards issue (I don’t know what happened but the PC started refusing to turn on.). I have 2 monitors connected to the PC and I tried to configure X screens with
XOrgConfiguraionCreator and then selected my config with
XOrgConfigurationSelector. I had no error but when I restarted the PC, both monitors were active, and this error showed when I launched MATLAB:
com.jogamp.opengl.GLException: X11GLXDrawableFactory - Could not initialize shared resources for X11GraphicsDevice[type .x11, connection :0, unitID 0, handle 0x0, owner false, ResourceToolkitLock[obj 0x1e237daf, isOwner false, <18e1ad01, 7d19a277>[count 0, qsz 0, owner <NULL>]]] at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:326) at jogamp.opengl.SharedResourceRunner.run(SharedResourceRunner.java:297) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NullPointerException at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:688) at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:580) at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:297) ... 2 more
I couldn’t find a solution to this. This seems a bit advanced for me but I can do my best with some guidance.
I am using MATLAB R2022b on Ubuntu 22.04. I installed PTB as recommended on the website. I reconfigured MATLAB (
sudo dpkg-reconfigure matlab-support) and I installed low-latency kernel as well.
Looking forward to your reply!
Cemre Yilmaz (identified as she/her)
#X11 #XOrgConfiguration #XScreen