An update: this might be happened by removing a mounted the USB disk withc is the only fs with btrfs.
-- 4638.360761] kernel BUG at /build/buildd/linux-2.6.32/fs/btrfs/disk-io.c:2286! https://bugs.launchpad.net/bugs/527619 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
