Okay, it was the disable keyboard while typing setting which seems to have been enabled by default in karmic. Just a notice: it makes many games totally unplayable which might confuse some users.
** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: New => Invalid -- Touchpad freezes when pressing a hotkey or keyboard key https://bugs.launchpad.net/bugs/455363 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp