Kernel 4.9 is still affected. It appears that this is a regression introduced between kernel 3.15-rc1 and 3.15-rc2.
** Tags added: kernel-bug-exists-upstream-3.15-rc2 kernel-bug-exists-upstream-4.9.0 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1651910 Title: radeon: black screen after upgrade from 14.04 to 16.04 on RS780 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1651910/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs