Kernel 4.2 BUG at fs/btrfs/extent-tree.c:1833 while balancing

Hi, I just switched to kernel 4.2. I had to replace one drive of a btrfs-raid5 which was showing SMART errors. So I removed it (btrfs device delete) while still on 4.1.6. In between kernel 4.2 was released and I upgraded. Now I added a replacement drive to the raid5-filesystem. When trying to balan

Linux 4.2.4 kernel panic while balancing

Hi, kernel 4.2 crashes more or less reliably when running btrfs balance. The filesystem in question is running in RAID1 mode. This happens quite reliably. Btrfs filesystem check doesn't show any problems. Dmesg output is attached. I'll happily provide more information if needed. Regards Malte[