Comment 2 for bug 1746225

------- Comment From <email address hidden> 2018-01-31 02:45 EDT-------
(In reply to comment #5)
> Did this issue start happening after an update/upgrade? Was there a prior
> kernel version where you were not having this particular problem?
>
> Would it be possible for you to test the latest upstream kernel? Refer to
> https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.15
> kernel[0].
>
> If this bug is fixed in the mainline kernel, please add the following tag
> 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
> Thanks in advance.
>
> [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15

This patch should fix the issue: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5aa04b3eb6fca63d2e9827be656dcadc26d54e11

Please cherry pick