Not sure if this helps, but I found at least one problems similar to yours:
http://ubuntuforums.org/showthread.php?t=2048371
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1041911
The...
Type: Posts; User: 2F4U; Keyword(s):
Not sure if this helps, but I found at least one problems similar to yours:
http://ubuntuforums.org/showthread.php?t=2048371
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1041911
The...