FWIW, I do not experience this problem for my root partition which is also multiple device btrfs. It seems only external media (not listed in fstab) are affected.
** Summary changed: - btrfs RAID on USB drives mounted multiple times + multi-device btrfs on external media are automatically mounted multiple times (once per device) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1550831 Title: multi-device btrfs on external media are automatically mounted multiple times (once per device) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/udisks2/+bug/1550831/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
