After invistigating the xev log, the bug is confirmed and forwarded upstream. Thanks Glen :)
** Bug watch added: freedesktop.org Bugzilla #41314 http://bugs.freedesktop.org/show_bug.cgi?id=41314 ** Also affects: xserver-xorg-input-synaptics via http://bugs.freedesktop.org/show_bug.cgi?id=41314 Importance: Unknown Status: Unknown ** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: New => Confirmed ** Tags removed: karmic xubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/463067 Title: Dell D600 doesn't see mouse button1 up events To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-input-synaptics/+bug/463067/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs