[Bug 12934] Synaptics freezes xserver

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12934





------- Comment #11 from sroland at tungstengraphics.com  2007-12-16 18:00 PST -------
(In reply to comment #10)
> (In reply to comment #9)
> > The current Git driver defaults to 1x again for non-v3 AGP cards.
> > 
> 
> Sorry, I didn't get the point. Is that a solution to my problem? As far as I
> know, "Radeon Mobility 9600(9700)" is a V2 device. And, there is still the
> oddity, that AGPMode 2 doesn't make my system freeze.
There are 3 AGP versions: V1 (3.3V signaling, 1x, 2x data rates), V2 (1.5V
signaling, 1x, 2x, 4x rates), V3 (some difference in signaling to V2, but in
contrast to V1 cards physically keyed the same as V2 cards, 4x, 8x rates).
You can't switch the AGP version after bootup, but you can change the rate. The
moibility 9600 is a v3 device, but your chipset is v2 so the chip operates in
v2 mode. So yes defaulting to 1x rate (which is all what AGPmode does) should
fix your problem.


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