OK, a bit more data:
Xenial with 4.4 and 4.8 kernels - works fine (so not a 4.8 kernel regression)
Yakkety with 4.4 and 4.8 kernels - shows the slow behavior (so not a kernel
So I think this is a problem in the plumbing layer.
** Changed in: systemd (Ubuntu)
Assignee: (unassigned) => Martin Pitt (pitti)
** Tags removed: kernel-4.8
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
brightness keys are handled slower in Yakkety than Xenial
To manage notifications about this bug go to:
ubuntu-bugs mailing list