Happens to me too any time I try a balance against either a single drive btrfs partition or a multi-drive btrfs partition. It will usually happen about 20% into the balance operation. I've been able to reproduce this on demand 6 times now.
Ubuntu 15.10 kernel 4.2.0-22-generic btrfs-progs v4.0 ** Attachment added: "IMG_0830.JPG" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1529146/+attachment/4542720/+files/IMG_0830.JPG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1529146 Title: btrfs balance leads to kernel panic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1529146/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
