Originally posted by Archie Steel
I'm having the same problem. Windowed GL apps will freeze my system unless I run them as root...or as an alternate user. Somehow there must be something wrong with my user config.
Guess what...I found the problem (I think)...it was the __GL_SYNC_TO_VBLANK=1 option which I had set in my .bashrc file...commenting it out solved the problem!
I guess it's deprecated and they forgot to tell us!