[Bug 12902] VBlank related server hang in indirect rendering mode

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12902





--- Comment #10 from Mathieu Bérard <mathieu.berard at crans.org>  2008-02-28 05:43:08 PST ---
Well, I think that there might be some mismatch between the ddx driver and
the drm code when the vblank-rework branch was merged.
ddx driver's RADEONDRITransitionTo2d/3d still enable/disable VBlank interrupts
right now, If I understood correctly that's not correct anymore with
vblank-rework. On the other hand drm from 2.6.24 kernel does not have
vblank-rework.

Is there any way for the ddx to know if the drm layer has been vblank-reworked
?
Maybe some version minor number in the drm sould have been incremented ...

I don't know if that's directly related to this particular bug, just some
random
thoughts... 

I will try to do some tests to see if I can still reproduce the bug.





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