[Bug 103025] [GM45] loss of driver acceleration after some time (bisected)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103025

--- Comment #62 from Benson Bear <benson.bear at gmail.com> ---
They are slower and also perhaps the generic DDX driver doesn't work with older
hardware at all.  That turns out to be why I got the blank screen earlier.   

Anyway I have now run a recent git version of the intel driver for quite a
while in SNA mode without a recurrence of the big slowdown after acceleration
being disabled.  I will assume it is probably going to be okay, and am now
turning attention to another machine, a much newer one. 

I have found the intel driver is not usable on this right now because of some
strange issues with webcams.  It cannot display webcam output on the screen.  
The generic DDX "modesetting" driver works just fine in this and other regards
(although like all drivers, it simply cannot do smooth scrolling but that's
apparently how linux is...).   

I will make a detailed new bug report on this issue after I have done some more
looking into it when I get the time.

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