I've added the "vga=0" and thins changed a bit. Now the xorg process stops consuming 100% of the cpu cycles after the resume. However, the screen doesn't resume properly and now has strange vertical lines. But now i'm able to switch to tty1 with ctrl-alt-f1 and if i go back to X diaplay 0 with alt-f7 the screen is refreshed ok and i see my desktop and i'm able to use it.
** Attachment added: "xorg log file" http://librarian.launchpad.net/4932734/Xorg.0.log -- Resuming system doesn't work on Apple PowerBook Titanium IV https://launchpad.net/bugs/66228 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs