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[eugenesan <eugenesan@xxxxxxxxx>]

Hi,

Unfortunately the system is down now and I am going to reinstall Hardy +
Early Intrepd kernel to overcome the issue (The only working solution
for GMA945 at the moment). So no Xorg logs for now...

Actually current bug is a reincarnation of old and well know one
https://bugs.freedesktop.org/show_bug.cgi?id=13326 and
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/218334

In few words, to overcome general and scrolling (severe!) performance
issue of Xorg-intel 2.4.1 (actually 2.3.1 and up), I've changed EXA to
XAA by adding Option "AccelMethod" "xaa" to xorg.conf.

As result performance is good but jittering/flickering and Pipe A
underrun returned.

And the system is Mac Mini (945GM [8086:27a2])

-- 
Heavy CPU (100%) usage when scrolling text in remote (freenx) console and compiz's WM won't load. Driver: server-xorg-video-intel (2:2.4.x and 2.5.x) Hardware: mac mini 945GM [8086:27a2]
https://bugs.launchpad.net/bugs/289841
You received this bug notification because you are a member of FreeNX
Team, which is the registrant for FreeNX Server.

Status in FreeNX open source NX Server: New
Status in “xserver-xorg-video-intel” source package in Ubuntu: Incomplete

Bug description:
Binary package hint: xserver-xorg-video-intel

Affects: Heavy CPU (100%) usage when scrolling text in remote (freenx) console and compiz's WM won't load. Driver: server-xorg-video-intel (2:2.4.x and 2.5.x) Hardware: mac mini 945GM [8086:27a2]

Observations: x11perf --aa10text, on local console, shows opposite results, newer drivers are faster:
2.2.1: 320000 reps @   0.0172 msec ( 58100.0/sec): Char in 80-char aa line (Charter 10)
2.4.1: 560000 reps @   0.0091 msec (110000.0/sec): Char in 80-char aa line (Charter 10)

Driver: server-xorg-video-intel (2.3.x, 2.4.x and 2.5.x) while 2.2.x is working acceptable.

Hardware: mac mini 945GM [8086:27a2]

Packages source: Intrepid (all versions)