Yes, as the reporter, I actually do: As I said, I just installed Leap 42.2 on an SSD and the same day, balancing my system goes havoc when processing at least one chunk. So, it is easily reproducible for me by increasing the filter. There is no trace in the logs besides my killed WiFi. Except one time there was a: "NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [btrfs:4090]" in "btrfs_qgroup_trace_extent_nolock+...".