Bug#739179: Desktop freezes completely, dmesg output: NVRM: GPU at 0000:02:00.0 has fallen off the bus

[Markus]

Please remove my previous message from this bug report.
I have accidentally send it from the wrong email address.
Keep this message instead. Thank you.

I forgot to mention that I could grab the following dmesg output from
the affected
computer through a ssh connection right after it froze.

Feb 11 22:45:04 pc1 kernel: [15569.236289] NVRM: GPU at 0000:02:00.0 has
fallen off the bus.
Feb 11 22:45:04 pc1 kernel: [15569.236296] NVRM: GPU at 0000:02:00.0 has
fallen off the bus.