I've downloaded the kernel from http://kernel.ubuntu.com/~jsalisbury/lp1619918/xenial/ and https://launchpad.net/~canonical-kernel-security-team/+archive/ubuntu/ppa/+build/11038082 now. Both kernels have the same problem/regression (verified with "sudo btrfs fi show /")
I've downloaded the kernel from http:// kernel. ubuntu. com/~jsalisbury /lp1619918/ xenial/ and https:/ /launchpad. net/~canonical- kernel- security- team/+archive/ ubuntu/ ppa/+build/ 11038082 now. Both kernels have the same problem/regression (verified with "sudo btrfs fi show /")