https://bugs.freedesktop.org/show_bug.cgi?id=45018
--- Comment #11 from Alexandre Demers alexandre.f.demers@gmail.com 2012-01-31 16:35:53 PST --- (In reply to comment #10)
(In reply to comment #9)
The bugs is not visible under kernel 3.2, [...]
3.2 lacks Radeon virtual address space support.
I will try with a 3.3-rc2 kernel once it will be available.
That's unlikely to make a difference, this is likely a userspace bug.
Indeed and I can now confirm it. 3.3-rc2 doesn't change the problem.