On Thu, 2010-10-07 at 14:41 -0700, Cory Cross wrote: > > Laptop & Desktop both run Debian unstable with Linux 2.6.32 for 686, > Xorg 1.7.7 > Laptop uses intel driver for 945GM/GMS/GME, 943/940GML Express > Desktop uses open-source radeon driver for Radeon 9250
Are you using compositing? (e.g. compiz / kwin with desktop effects?) If I'm reading your hardware matrix right, the problem is with the machine with the Radeon card? I'm well out of date with ATI/AMD cards.. how fast is the 9250, are the drivers "any good"? A cursory search suggests they have full accelerated 3D support. I'm not sure how this transfers to accelerated 2D support, or importantly - whether the XOR operations PCB uses to redraw its cross-hair would be hardware accelerated. I'm noticing a trend for features which used to be the fastest way of doing something are sometimes less performant on newer hardware. I think the most useful debugging aid you could get to help diagnose the problem would be a trace from "sysprof". You should be able to find a Debian package for that, although you will probably have to build the kernel module. Get a profile trace for the system whilst Xorg is thrashing, and let us see where the CPU time is going. Unfortunately, you may well have to install quite a lot of -dbg packages to get a meaningful backtrace. These are something us developers tend to accumulate over time, but I couldn't give you a canonical list of which -dbg packages you will need. Perhaps starting with xserver-xorg-core-dbg would be a good start. Best wishes, -- Peter Clifton Electrical Engineering Division, Engineering Department, University of Cambridge, 9, JJ Thomson Avenue, Cambridge CB3 0FA Tel: +44 (0)7729 980173 - (No signal in the lab!) Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me) _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
