[Bug 31974] starting X with EXA, DRI enabled locks up the system (evergreen mobility card)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31974

--- Comment #15 from Alex Deucher <agd5f at yahoo.com> 2011-04-20 14:00:50 PDT ---
(In reply to comment #14)
> Recently my problem has disappeared. Unfortunately I've no idea what exactly
> fixed it for me, but at least with 2.6.39-rc2 and ati 6.14.1 it's now working
> for me... at least kinda. The XServer starts up and Xorg-log reports EXA and
> DRI2 are enabled, but everything is veeery slow... for example I only get
> ~16FPS (~24 with SwapBuffersWait off and ColorTiling on) on OpenArena and even
> kwin-compositing is sluggish.

Sounds like you are getting sw rendering.  Make sure you have a a 3D driver
that supports evergreen installed (r600g or r600c).  Check the output of
glxinfo to see if you are using a hw or sw 3D driver.

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