[Bug 16549] DRI causes X to lock on DEC Alpha with Radeon 9100

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=16549





--- Comment #14 from Matt Turner <mattst88 at gmail.com>  2009-01-25 12:14:48 PST ---
(In reply to comment #13)
> (In reply to comment #12)
> > Using libdrm-2.3.0, mesa-6.5.2 and xserver-1.3 -> DRI works
> 
> What about the problem you reported originally?

I haven't tried to reproduce it again, but I would think it is a symptom of the
locking bug.

> 
> > Nothing in the locking code in libdrm/xf86drm.h (DRM_CAS etc) has changed from
> > libdrm 2.3.0 to 2.4.4.
> 
> Is that using the same kernel / DRM modules? If so, you should be able to
> isolate the userspace change which broke things for you.

Yes, same kernel and DRM modules.

I have tested the following configurations. All fail the same way.

Holding constant:
kernel-2.6.29_rc2 (and DRM modules)
xorg-server-1.5.3-r1
mesa-7.2

Variations:
libdrm-2.4.4
xf86-video-ati-6.10.0

libdrm-2.4.4
xf86-video-ati-6.8.0-r1

libdrm-2.3.1
xf86-video-ati-6.10.0

libdrm-2.3.1
xf86-video-ati-6.7.197

Including so much code from libdrm statically into Mesa and X.Org server make
finding this bug difficult.


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