I am also experiencing this bug.
This issue did not occur on precise, however it does occur on trusty. I have not tried non-LTS releases.
I can confirm that the same issue occurs on the current upstream mainline kernel.
I have reproduced the issue with 3.17.1-031701-generic
I am also experiencing this bug.
This issue did not occur on precise, however it does occur on trusty. I have not tried non-LTS releases.
I can confirm that the same issue occurs on the current upstream mainline kernel.
I have reproduced the issue with 3.17.1- 031701- generic