If COW areas of the newly allocated clusters are zeroes on the backing image, efficient bdrv_write_zeroes(flags=BDRV_REQ_NO_FALLBACK) can be used on the whole cluster instead of writing explicit zero buffers later in perform_cow(). iotest 060: write to the discarded cluster does not trigger COW anymore. Use a backing image instead. Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com> Message-id: 20190516142749.81019-2-anton.nefedov@virtuozzo.com Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
440 lines
18 KiB
Plaintext
440 lines
18 KiB
Plaintext
QA output created by 060
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=== Testing L2 reference into L1 ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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ERROR cluster 3 refcount=1 reference=3
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1 errors were found on the image.
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Data may be corrupted, or further writes to the image may corrupt it.
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incompatible_features 0x0
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L1 table); further corruption events will be suppressed
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write failed: Input/output error
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incompatible_features 0x2
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 64 MiB (67108864 bytes)
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cluster_size: 65536
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Format specific information:
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compat: 1.1
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lazy refcounts: false
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refcount bits: 16
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corrupt: true
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qemu-io: can't open device TEST_DIR/t.IMGFMT: IMGFMT: Image is corrupt; cannot be opened read/write
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no file open, try 'help open'
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing cluster data reference into refcount block ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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ERROR refcount block 0 refcount=2
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ERROR cluster 2 refcount=1 reference=2
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2 errors were found on the image.
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Data may be corrupted, or further writes to the image may corrupt it.
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incompatible_features 0x0
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount block); further corruption events will be suppressed
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write failed: Input/output error
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incompatible_features 0x2
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ERROR refcount block 0 refcount=2
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ERROR cluster 2 refcount=1 reference=2
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=2 reference=1
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The following inconsistencies were found and repaired:
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0 leaked clusters
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2 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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incompatible_features 0x0
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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incompatible_features 0x0
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=== Testing cluster data reference into inactive L2 table ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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ERROR cluster 4 refcount=1 reference=2
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Leaked cluster 9 refcount=1 reference=0
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1 errors were found on the image.
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Data may be corrupted, or further writes to the image may corrupt it.
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1 leaked clusters were found on the image.
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This means waste of disk space, but no harm to data.
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incompatible_features 0x0
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with inactive L2 table); further corruption events will be suppressed
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write failed: Input/output error
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incompatible_features 0x2
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ERROR cluster 4 refcount=1 reference=2
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Leaked cluster 9 refcount=1 reference=0
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Repairing cluster 4 refcount=1 reference=2
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Repairing cluster 9 refcount=1 reference=0
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Repairing OFLAG_COPIED data cluster: l2_entry=8000000000040000 refcount=2
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The following inconsistencies were found and repaired:
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1 leaked clusters
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2 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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incompatible_features 0x0
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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incompatible_features 0x0
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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No errors were found on the image.
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing overlap while COW is in flight ===
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=1073741824
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wrote 65536/65536 bytes at offset 0
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64 KiB, 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=1073741824 backing_file=TEST_DIR/t.IMGFMT.base
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 65536/65536 bytes at offset 536870912
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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discard 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L2 table); further corruption events will be suppressed
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blkdebug: Suspended request '0'
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write failed: Input/output error
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blkdebug: Resuming request '0'
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aio_write failed: No medium found
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=== Testing unallocated image header ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with qcow2_header); further corruption events will be suppressed
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write failed: Input/output error
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=== Testing unaligned L1 entry ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
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read failed: Input/output error
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
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qemu-img: Failed to turn zero into data clusters: Input/output error
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=== Testing unaligned L2 entry ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
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read failed: Input/output error
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=== Testing unaligned pre-allocated zero cluster ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
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qemu-img: Failed to turn zero into data clusters: Input/output error
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=== Testing unaligned reftable entry ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Refblock offset 0x22a00 unaligned (reftable index: 0); further corruption events will be suppressed
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write failed: Input/output error
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=== Testing non-fatal corruption on freeing ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
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discard 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing read-only corruption report ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Image is corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further non-fatal corruption events will be suppressed
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read failed: Input/output error
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read failed: Input/output error
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=== Testing non-fatal and then fatal corruption report ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 131072/131072 bytes at offset 0
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
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qcow2: Marking image as corrupt: Cluster allocation offset 0x62a00 unaligned (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
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discard 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read failed: Input/output error
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=== Testing empty refcount table ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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3 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Testing empty refcount table with valid L1 and L2 tables ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Preventing invalid allocation of refcount block at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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ERROR cluster 4 refcount=0 reference=1
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ERROR cluster 5 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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5 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Testing empty refcount block ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 2 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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4 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Testing empty refcount block with compressed write ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Preventing invalid allocation of compressed cluster at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 2 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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4 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Testing zero refcount table size ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qemu-io: can't open device TEST_DIR/t.IMGFMT: Image does not contain a reference count table
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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Rebuilding refcount structure
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The following inconsistencies were found and repaired:
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0 leaked clusters
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2 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Testing incorrect refcount table offset ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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=== Testing dirty corrupt image ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
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IMGFMT: Marking image as corrupt: Refblock offset 0xffff2a00 unaligned (reftable index: 0); further corruption events will be suppressed
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Can't get refcount for cluster 0: Input/output error
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Can't get refcount for cluster 1: Input/output error
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Can't get refcount for cluster 2: Input/output error
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Can't get refcount for cluster 3: Input/output error
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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qemu-io: can't open device TEST_DIR/t.IMGFMT: Could not repair dirty image: Input/output error
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--- Repairing ---
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Leaked cluster 1 refcount=1 reference=0
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Repairing cluster 1 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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1 leaked clusters
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0 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Writing to an unaligned preallocated zero cluster ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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discard 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Preallocated zero cluster offset 0x2a00 unaligned (guest offset: 0); further corruption events will be suppressed
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write failed: Input/output error
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--- Repairing ---
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Repairing offset=2a00: Preallocated zero cluster is not properly aligned; L2 entry corrupted.
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The following inconsistencies were found and repaired:
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0 leaked clusters
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1 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Discarding with an unaligned refblock ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 131072/131072 bytes at offset 0
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Marking image as corrupt: Refblock offset 0x2a00 unaligned (reftable index: 0); further corruption events will be suppressed
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qcow2_free_clusters failed: Input/output error
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discard failed: No medium found
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--- Repairing ---
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ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
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qcow2: Marking image as corrupt: Refblock offset 0x2a00 unaligned (reftable index: 0); further corruption events will be suppressed
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Can't get refcount for cluster 0: Input/output error
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Can't get refcount for cluster 1: Input/output error
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Can't get refcount for cluster 2: Input/output error
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Can't get refcount for cluster 3: Input/output error
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Can't get refcount for cluster 4: Input/output error
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Can't get refcount for cluster 5: Input/output error
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Can't get refcount for cluster 6: Input/output error
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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qemu-img: Check failed: No medium found
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Leaked cluster 1 refcount=1 reference=0
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Repairing cluster 1 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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1 leaked clusters
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0 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Discarding an out-of-bounds refblock ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Refblock at 0xffffff00000000 is not covered by the refcount structures; further corruption events will be suppressed
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qemu-img: Failed to discard unused refblocks: Input/output error
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--- Checking and retrying ---
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virtual size: 64 MiB (67108864 bytes)
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No errors were found on the image.
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Image resized.
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virtual size: 32 MiB (33554432 bytes)
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=== Discarding a non-covered in-bounds refblock ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Refblock at 0x1000000000 is not covered by the refcount structures; further corruption events will be suppressed
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qemu-img: Failed to discard unused refblocks: Input/output error
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--- Checking and retrying ---
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virtual size: 64 MiB (67108864 bytes)
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No errors were found on the image.
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Image resized.
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virtual size: 32 MiB (33554432 bytes)
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=== Discarding a refblock covered by an unaligned refblock ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Cannot get entry from refcount block cache: Offset 0x200 is unaligned; further corruption events will be suppressed
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qemu-img: Failed to discard unused refblocks: Input/output error
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--- Repairing ---
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Repairing refcount block 1 is outside image
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ERROR refcount block 2 is not cluster aligned; refcount table entry corrupted
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qcow2: Marking image as corrupt: Refblock offset 0x200 unaligned (reftable index: 0x2); further corruption events will be suppressed
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Can't get refcount for cluster 1048576: Input/output error
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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Repairing cluster 1048576 refcount=1 reference=0
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qemu-img: Check failed: No medium found
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Leaked cluster 1 refcount=1 reference=0
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Leaked cluster 2 refcount=1 reference=0
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Leaked cluster 1048576 refcount=1 reference=0
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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Repairing cluster 1048576 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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3 leaked clusters
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0 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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=== Testing the QEMU shutdown with a corrupted image ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
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QMP_VERSION
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_IMAGE_CORRUPTED", "data": {"device": "none0", "msg": "Preventing invalid write on metadata (overlaps with refcount table)", "offset": 65536, "node-name": "drive", "fatal": true, "size": 65536}}
|
|
write failed: Input/output error
|
|
{"return": ""}
|
|
{"return": {}}
|
|
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}
|
|
|
|
=== Testing incoming inactive corrupted image ===
|
|
|
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
|
|
QMP_VERSION
|
|
{"return": {}}
|
|
qcow2: Image is corrupt: L2 table offset 0x2a2a2a00 unaligned (L1 index: 0); further non-fatal corruption events will be suppressed
|
|
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_IMAGE_CORRUPTED", "data": {"device": "", "msg": "L2 table offset 0x2a2a2a00 unaligned (L1 index: 0)", "node-name": "drive", "fatal": false}}
|
|
{"return": ""}
|
|
{"return": {}}
|
|
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}
|
|
|
|
corrupt: false
|
|
*** done
|