From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 29972] d-r-t  /r6xx+: use new style fencing (v2) causes very
	poor gl perf.
Date: Fri,  3 Sep 2010 07:56:44 -0700 (PDT)
Message-ID: <20100903145644.DFFC213010D@annarchy.freedesktop.org>
References: <bug-29972-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=29972

--- Comment #2 from Alexandre Derumier <aderumier@odiso.com> 2010-09-03 07:56:44 PDT ---
i think the problem come from the writeback patch:

other archlinux users have the same problem

https://bbs.archlinux.org/viewtopic.php?pid=820584#p820584


with radeon.no_wb=1  in boot parameter, i don't have any slowdown.

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