http://bugs.freedesktop.org/show_bug.cgi?id=17895





--- Comment #23 from martin <mn...@minimum.se>  2009-04-30 02:40:26 PST ---
Yes, I can spin the ring switcher full speed for 30 seconds straight without
crashes. I also tried lots of other things like spinning the cube fast and what
not and with this fix I was unable to crash. The only thing that made me unsure
was the "direct rendering: no" because I was afraid I had misconfigured my
system in such a way that I was no longer hitting the same execution path in
the code (and thus just wasn't seeing the bug anymore).

If I run glxinfo with verbose this is what it says:
direct rendering: No (LIBGL_ALWAYS_INDIRECT set)
Also if I do "env | grep LIBGL" I can see "LIBGL_ALWAYS_INDIRECT=1" but I have
no idea where this was set and by what file/program etc? As far as I know I
have not set this myself.

Actually after googling around I found this bug (marked INVALID):
https://bugs.launchpad.net/ubuntu/+source/desktop-effects/+bug/137388
(this bug describes by issue pretty accurately. If I launch a gnome-terminal
and then do "glxinfo | grep direct" it says "direct rendering: No
(LIBGL_ALWAYS_INDIRECT set)" however in the same session on the same computer
if I press ALT-F2 and type "xterm" and then do "glxinfo | grep direct" then it
says "direct rendering: yes".


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