I tried to build a Bionic test kernel with commit fb235dc reverted, but it does not revert cleanly and requires a back port. Do you have the back port you performed and can post to the bug?
Also, would it be possible for you to test the latest mainline kernel to see if the bug is already fixed upstream? It is available from: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc2 ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1765998 Title: FS access deadlock with btrfs quotas enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1765998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
