This problem may not be the same but I have noticed very recently that the screen gets garbled after hibernate on my laptop. This problem wasn't there earlier - it is very recent change. It could be after the recent kernel update I did -
$ uname -a
Linux <email address hidden> 3.0.0-16-generic #28-Ubuntu SMP Fri Jan 27 17:44:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
This problem may not be the same but I have noticed very recently that the screen gets garbled after hibernate on my laptop. This problem wasn't there earlier - it is very recent change. It could be after the recent kernel update I did -
$ uname -a
Linux <email address hidden> 3.0.0-16-generic #28-Ubuntu SMP Fri Jan 27 17:44:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux