@ber4444 the frustrating bug you mentioned is fixed with a patch you have to apply yourself. it happens with hybrid graphics and the proprietary nvidia driver.
workaround is to use a usb mouse instead of the touchpad. Nikhil Mahale (nmahale) created a working patch: https://bugs.launchpad.net/xorg-server/+bug/1220426/comments/171 So i have the same problem, i can't uninstall the proprietary nvidia driver from GUI, so i had to follow guides like this: http://askubuntu.com/questions/206283/how-can-i-uninstall-a-nvidia-driver-completely -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu. https://bugs.launchpad.net/bugs/1401591 Title: package nvidia-331 331.113-0ubuntu0.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 8 Status in nvidia-graphics-drivers-331 package in Ubuntu: Confirmed Bug description: I switched to the Nvidia driver not long before I updated the OS to the latest version. ProblemType: Package DistroRelease: Ubuntu 14.10 Package: nvidia-331 331.113-0ubuntu0.1 ProcVersionSignature: Ubuntu 3.16.0-26.35-generic 3.16.7-ckt1 Uname: Linux 3.16.0-26-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 Date: Wed Dec 10 20:45:45 2014 DuplicateSignature: package:nvidia-331:331.113-0ubuntu0.1:subprocess installed post-removal script returned error exit status 8 ErrorMessage: subprocess installed post-removal script returned error exit status 8 InstallationDate: Installed on 2014-12-05 (6 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) SourcePackage: nvidia-graphics-drivers-331 Title: package nvidia-331 331.113-0ubuntu0.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 8 UpgradeStatus: Upgraded to utopic on 2014-12-11 (0 days ago) modified.conffile..etc.modprobe.d.nvidia.331.hybrid.conf: [deleted] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1401591/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
