OS: Ubuntu 16.04.2 LTS / Disks: btrfs mirror on 2 ssd partitions - /dev/sda4 /dev/sdb4
dmesg shows error every 15 mins May 7 15:02:22 blade3 kernel: [ 9174.648066] BTRFS error (device sdb4): could not find root 8 ... May 7 21:18:43 blade3 kernel: [31756.490619] BTRFS error (device sdb4): could not find root 8 This error disappeared after enabling quota (just like Sly_tom_cat mentioned). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1651435 Title: BTRFS error: could not find root 8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1651435/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs