[Xcb] [Bug 22082] X Application hangs randomly, has reproduce step

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=22082

--- Comment #14 from xp at kedacom <xu_ping at kedacom.com> 2011-03-16 02:52:39 PDT ---
Hi all,

These days I have some new evidence about this bug, and now I think maybe Jamey
is right, this is a different bug.

In our program, we do glutMainLoopEvent() in a display thread. And as it
mentioned before, we will use xrandr in another thread for changing resolution
when we need. BUT, at the moment, after changing resolution, we call the
function "glutWarpPointer".

I had found that if either "glutMainLoopEvent" or "glutWarpPointer" is deleted,
then this bug would never show up. So I think maybe it's a freeglut
multi-threads problem or something else. Also I have tried to put
"glutMainLoopEvent" and "glutWarpPointer" into one thread, in that case, our
program is running well.

Does anybody know what happens in freeglut?

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