I have exactly the same problem since a few days ago on precise. Used apport-collect to add more information, sorry for the noise. I had no manual configuration for the mouse, and it worked OK before.
I don't see any suspicious upgrade other than xserver-xorg-input-evdev 1:2.6.99.901-1ubuntu3 I have some PPAs enabled but they don't provide X updates. deb http://ppa.launchpad.net/ubuntu-desktop/ppa/ubuntu precise main deb http://ppa.launchpad.net/unity-team/hud/ubuntu precise main deb http://ppa.launchpad.net/unity-team/ppa/ubuntu precise main -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/921139 Title: mouse scroll left<->right inverted since 1:7.6+10ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/921139/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
