331 works fine here, even with hybrid graphics. Please attach the following files:
1) the output of "apt-cache policy nvidia-331" 2) the output of "apt-cache policy acpid" As for 304, I haven't fixed it to 3.13 yet. The following line in your X log is very suspicious: [ 10.975] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1294163 Title: Please update precise nvidia drivers to support 3.13 trusty backport kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1294163/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs