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GL related crashes when closing the display window on Ubuntu (Intel) #4041
Not the same as #3977 though similar cause. After updating my Intel graphics driver on Ubuntu, I get consistent segfaults when closing the display window. Cause is the call to pgl.swapBuffers() at https://github.com/processing/processing/blob/master/core/src/processing/opengl/PGraphicsOpenGL.java#L614 Commenting it out stops the issue. Seems likewise related to accessing a GL resource that no longer exists, though I can't understand the comment for that line of code - why would you bother when the window is closing?
Salient bit of error log -