We are also affected (DELL R620, Ubuntu 12.04, 3.13.0-29-generic). Is this bug really fixed in https://launchpad.net/ubuntu/+source/linux/3.13.0-30.54 (couldn't find the related line in the changelog)?
We are also affected (DELL R620, Ubuntu 12.04, 3.13.0-29-generic). Is this bug really fixed in https:/ /launchpad. net/ubuntu/ +source/ linux/3. 13.0-30. 54 (couldn't find the related line in the changelog)?