Seems Xenial will be released with Kernel v4.4 [ https://wiki.ubuntu.com/KernelTeam/Newsletter/2015-12-15 ].
And older Ubuntu releases will use v4.2 (which is not affected by this bug).
Maybe it is useless to track this v4.3 issue (specially if no one else encounters it).
Seems Xenial will be released with Kernel v4.4 [ https:/ /wiki.ubuntu. com/KernelTeam/ Newsletter/ 2015-12- 15 ].
And older Ubuntu releases will use v4.2 (which is not affected by this bug).
Maybe it is useless to track this v4.3 issue (specially if no one else encounters it).