If I install and boot https://launchpad.net/ubuntu/+source/linux/3.11.0-11.17 on a current trusty system this bug goes away. So https://launchpad.net/ubuntu/+source/linux/3.11.0-12.18 was the one that caused the regression.
If I install and boot https:/ /launchpad. net/ubuntu/ +source/ linux/3. 11.0-11. 17 on a current trusty system this bug goes away. So https:/ /launchpad. net/ubuntu/ +source/ linux/3. 11.0-12. 18 was the one that caused the regression.