[Bug 21874] some x11perf tests result in exa rendering to screen stopping until mouse is moved

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=21874


Andy Furniss <lists at andyfurniss.entadsl.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTABUG




--- Comment #5 from Andy Furniss <lists at andyfurniss.entadsl.com>  2009-08-20 11:32:04 PST ---
(In reply to comment #2)

> With BusType PCIE it has permanent artifacts but does not freeze.

With recent changes, artifacts are now gone.

I have found that the reason PCIE worked was that it disabled writebacks.

If I modprobe radeon no_wb=1 then I no longer have the blocking behavior, so I
guess this is just another AGP wierdness rather than a bug. 


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