There is a report, https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1123024 that talks about the issue.
I think that this report should be marked as duplicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1123024 and have the summary at https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1123024 updated with more descriptive information.
There is a report, https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1123024
that talks about the issue.
I think that this report should be marked as duplicate of https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1123024 /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1123024 updated with more descriptive information.
and have the summary at https:/