for the downgrading part: it really helps. Here is how i did it:
wgetted the package from https://launchpad.net/ubuntu/+source/xserver- xorg-input-evdev/1:2.3.2-6ubuntu3b1/+buildjob/2109048 and sudo dpkg -i xserver-xorg-input-evdev_2.3.2-6ubuntu3b1_amd64.deb -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-evdev in ubuntu. https://bugs.launchpad.net/bugs/709977 Title: Xorg crashed with SIGSEGV in RemoveDevice() - segfault at 1010 error 4 in evdev_drv.so _______________________________________________ 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