I've tries using other programs such as gedit and the cpu goes to max too! when inserting text and when scrolling fast.
radeon, 24bit color depth tests, compiz: Xorg ~ 90% firefox-bin ~ 20% radeon, 24bit color depth tests, metacity: Xorg ~ 70 % firefox-bin ~ 20% radeon, 16 bit color depth tests, compiz: Xorg ~ 60% firefox-bin~ 20% radeon, 16 bit color depth tests,normal metacity: Xorg ~ 53% firefox-bin ~ 20% vesa, 16 bit, metacity: Xorg ~ (as smooth as 32bit with compiz enabled) firefox-bin ~ 1% This doesn't seem a compiz bug, even if using compiz the slowness gets higher and higher! How can I disable direct rendering in radeon driver to test if the problem is caused by it? -- Very hi CPU in firefox and gnome-terminal https://launchpad.net/bugs/73473 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs