Upgrade to 8.04 and now Xgl is using 95% of CPU

[NoOp]

On 10/24/2008 11:27 AM, NoOp wrote:
> On 10/24/2008 10:01 AM, stan wrote:
>> I just upgraded my laptop to 8.04, in preparation for going to 8.10, and
>> noticed it became very slow. I ran top and discovered that Xgl is now using
>> over 90%  of the cpu with virtually nothing going on, other than being logged
>> into a X (KDE) session). The Xorg startup log identifies the card as:
>> 
>> (--) PCI:*(1:5:0) ATI Technologies Inc RS485 [Radeon Xpress 1100 IGP] rev 0
>> 
>> And I am using the closed source graphics driver.
>> 
>> What should I check next to try to resolve this issue?
>> 
> 
> sudo apt-get install xserver-xorg-video-ati
> sudo apt-get remove xserver-xgl
> 
> I run a Radon Mobility 7500 on my T30 laptop & after blowing out -xgl,
> installing the standard -ati drivers (no fglx either), and modifing my
> xorg.conf slightly, it now zips right along (well I won't call 772 FPS
> in glxgears blazing... but) & runs all the Compiz bells & whistles.
> 
> This might also be of interest/help:
> https://wiki.ubuntu.com/X/RadeonXpress
> 
> 

Also note:
ATI have a new set of drivers for Radon w/Intrepid:
http://ati.amd.com/support/drivers/linux/linux-radeon.html
install instructions:
http://wiki.cchtml.com/index.php/Ubuntu_Intrepid_Installation_Guide

Disclaimer: I've not tried any of this - I just ran across it while
searching for info regarding this thread.