acbf30ec60
If zero clusters are erroneously treated as unallocated, "qemu-img rebase" will copy the backing file's contents onto the cluster. The bug existed also in image streaming, but since the root cause was in qcow2's is_allocated implementation it is enough to test it with qemu-img. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
18 lines
673 B
Plaintext
18 lines
673 B
Plaintext
QA output created by 050
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== Creating images ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=10485760
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=10485760
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=10485760 backing_file='TEST_DIR/t.IMGFMT.old'
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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== Rebasing the image ==
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read 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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*** done
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