QA output created by 677
wrote 16777216/16777216 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 4096/4096 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
List of extents after power failure:
0: [0..32767]: data
1: [32768..34815]: unwritten
2: [34816..40959]: hole
3: [40960..43007]: unwritten