So after 13 hours and about 45 minutes it the system hung up again, all frozen expect mouse movement - i could connect to my PC and added dmesg (and lspci and uname -a) to this attachment...
hope it helps someone to find the problem... ** Attachment added: "dmesg after freeze with nvidia driver" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1033263/+attachment/3285629/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1033263 Title: Ubuntu 12.04 freezes with nvidia drivers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1033263/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs