A number of people have reported that this issue was solved some time after your comments - could you please test against a newer Ubuntu (Hardy if possible) and let us know if the issue is still happening for you?
If it is, please attach your xorg.conf, Xorg.0.log, and Xorg.0.log.old?
tamagoji,
A number of people have reported that this issue was solved some time after your comments - could you please test against a newer Ubuntu (Hardy if possible) and let us know if the issue is still happening for you?
If it is, please attach your xorg.conf, Xorg.0.log, and Xorg.0.log.old?