QA output created by 034

== creating backing file for COW tests ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=134217728
wrote 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=6442450944 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT

== zero write with backing file ==
wrote 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 13312/13312 bytes at offset 525312
13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.

== verifying patterns (3) ==
read 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 263168/263168 bytes at offset 262144
257 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 13312/13312 bytes at offset 525312
13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 509952/509952 bytes at offset 538624
498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

== overwriting zero cluster ==
wrote 8192/8192 bytes at offset 61440
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8192/8192 bytes at offset 65536
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 4096/4096 bytes at offset 77824
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8192/8192 bytes at offset 258048
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8192/8192 bytes at offset 253952
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.

== verifying patterns (4) ==
read 61440/61440 bytes at offset 0
60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 61440
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 8192/8192 bytes at offset 65536
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 73728
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 77824
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 172032/172032 bytes at offset 81920
168 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 8192/8192 bytes at offset 253952
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 262144
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 266240
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

== re-zeroing overwritten area ==
wrote 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.

== verifying patterns (5) ==
read 61440/61440 bytes at offset 0
60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 61440
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 262144
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 259072/259072 bytes at offset 266240
253 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 13312/13312 bytes at offset 525312
13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 509952/509952 bytes at offset 538624
498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
*** done