Removed all XGL, AIGLX, and Compiz related packages, and forced all xorg and ati related packagesto previous versions; I haven't experienced any hangs in the last 12 hours. I'm going to give it another day, and if things are still stable, I'll let the latest xorg updates reapply and repost.
-- Display blanking/freezing using PCI/AGP ATI 9250 https://launchpad.net/bugs/58448 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
