[Bug 16200] Xorg server busy-loops at start when DRI is true

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=16200





--- Comment #5 from Coleman Kane <cokane at cokane.org>  2008-06-27 06:28:56 PST ---
Created an attachment (id=17425)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=17425)
Dmesg output

I have some new data... for a small period this was working for me with limited
success. Recently, however, with the latest updates to DRM, or xf86-video-ati,
or something else, I have been reverted to the busy-loop at server startup.

I've also started testing with the latest code from the quick-and-dirty-2d
branch from xf86-video-radeonhd. Using EXA+DRI I also get a similar lock-up,
however the display does get populated with what looks like a bunch of
frame-buffer garbage, and the X cursor (which can't be moved).

Additionally, I get the following messages spewed to the kernel console:
info: [drm] wait for fifo failed status : 0x9001C100 0x00080000

I am attaching them to the issue. It seems to be caught in a loop constantly
calling the radeon_do_wait_for_fifo function from shared-core/radeon_cp.c and
never recovers.

I will also attach an Xorg log for that session as well.


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