I was just hoping that we could identify the root cause of the problem, but perhaps it is not so simple or maybe there is more than one bug.
In my case I removed the closed source nvidia driver yesterday as suggested by Lucy O'Neill. The procedure is described at the following homepage: http://nouveau.freedesktop.org/wiki/UbuntuPackages
The open source nouveau driver is working fine and the system is now able to power off without problems.
I was just hoping that we could identify the root cause of the problem, but perhaps it is not so simple or maybe there is more than one bug. nouveau. freedesktop. org/wiki/ UbuntuPackages
In my case I removed the closed source nvidia driver yesterday as suggested by Lucy O'Neill. The procedure is described at the following homepage: http://
The open source nouveau driver is working fine and the system is now able to power off without problems.