okay, I got a temporary fix. If I press a mediakey on my USB-keyboard, my mouse's left button (neither trackpad nor USB mouse) doesn't work anymore. If I pull the keyboard out and plug them in again, I can use my mouse's left button again.
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Incomplete => Invalid ** Also affects: evdev Importance: Undecided Status: New -- [HD3670] Gnome UI becomes unresponsive after a few minutes https://bugs.launchpad.net/bugs/630122 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs