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qemu/tests/qemu-iotests/060.out
Max Reitz ac5b787a6e qcow2: Repair unaligned preallocated zero clusters 
We can easily repair unaligned preallocated zero clusters by discarding
them, so why not do it?

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171110203759.14018-2-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-01-23 12:34:42 +01:00

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QA output created by 060
=== Testing L2 reference into L1 ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
ERROR cluster 3 refcount=1 reference=3
1 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
incompatible_features 0x0
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L1 table); further corruption events will be suppressed
write failed: Input/output error
incompatible_features 0x2
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 64M (67108864 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: true
can't open device TEST_DIR/t.IMGFMT: IMGFMT: Image is corrupt; cannot be opened read/write
no file open, try 'help open'
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing cluster data reference into refcount block ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
ERROR refcount block 0 refcount=2
ERROR cluster 2 refcount=1 reference=2
2 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
incompatible_features 0x0
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount block); further corruption events will be suppressed
write failed: Input/output error
incompatible_features 0x2
ERROR refcount block 0 refcount=2
ERROR cluster 2 refcount=1 reference=2
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=2 reference=1
The following inconsistencies were found and repaired:
0 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
incompatible_features 0x0
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
incompatible_features 0x0
=== Testing cluster data reference into inactive L2 table ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
ERROR cluster 4 refcount=1 reference=2
Leaked cluster 9 refcount=1 reference=0
1 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
1 leaked clusters were found on the image.
This means waste of disk space, but no harm to data.
incompatible_features 0x0
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with inactive L2 table); further corruption events will be suppressed
write failed: Input/output error
incompatible_features 0x2
ERROR cluster 4 refcount=1 reference=2
Leaked cluster 9 refcount=1 reference=0
Repairing cluster 4 refcount=1 reference=2
Repairing cluster 9 refcount=1 reference=0
Repairing OFLAG_COPIED data cluster: l2_entry=8000000000040000 refcount=2
The following inconsistencies were found and repaired:
1 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
incompatible_features 0x0
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
incompatible_features 0x0
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing overlap while COW is in flight ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 536870912
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L2 table); further corruption events will be suppressed
blkdebug: Suspended request '0'
write failed: Input/output error
blkdebug: Resuming request '0'
aio_write failed: No medium found
=== Testing unallocated image header ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with qcow2_header); further corruption events will be suppressed
write failed: Input/output error
=== Testing unaligned L1 entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
read failed: Input/output error
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
qemu-img: Error while amending options: Input/output error
=== Testing unaligned L2 entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
read failed: Input/output error
=== Testing unaligned pre-allocated zero cluster ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
qemu-img: Error while amending options: Input/output error
=== Testing unaligned reftable entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Refblock offset 0x22a00 unaligned (reftable index: 0); further corruption events will be suppressed
write failed: Input/output error
=== Testing non-fatal corruption on freeing ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing read-only corruption report ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Image is corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further non-fatal corruption events will be suppressed
read failed: Input/output error
read failed: Input/output error
=== Testing non-fatal and then fatal corruption report ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
qcow2: Marking image as corrupt: Cluster allocation offset 0x62a00 unaligned (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read failed: Input/output error
=== Testing empty refcount table ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
3 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount table with valid L1 and L2 tables ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid allocation of refcount block at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
ERROR cluster 4 refcount=0 reference=1
ERROR cluster 5 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
5 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount block ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 2 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
4 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount block with compressed write ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid allocation of compressed cluster at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 2 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
4 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing zero refcount table size ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
can't open device TEST_DIR/t.IMGFMT: Image does not contain a reference count table
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
The following inconsistencies were found and repaired:
0 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing incorrect refcount table offset ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
write failed: Input/output error
=== Testing dirty corrupt image ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
IMGFMT: Marking image as corrupt: Refblock offset 0xffff2a00 unaligned (reftable index: 0); further corruption events will be suppressed
Can't get refcount for cluster 0: Input/output error
Can't get refcount for cluster 1: Input/output error
Can't get refcount for cluster 2: Input/output error
Can't get refcount for cluster 3: Input/output error
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
can't open device TEST_DIR/t.IMGFMT: Could not repair dirty image: Input/output error
--- Repairing ---
Leaked cluster 1 refcount=1 reference=0
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
1 leaked clusters
0 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Writing to an unaligned preallocated zero cluster ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preallocated zero cluster offset 0x2a00 unaligned (guest offset: 0); further corruption events will be suppressed
write failed: Input/output error
--- Repairing ---
Repairing offset=2a00: Preallocated zero cluster is not properly aligned; L2 entry corrupted.
The following inconsistencies were found and repaired:
0 leaked clusters
1 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Discarding with an unaligned refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Refblock offset 0x2a00 unaligned (reftable index: 0); further corruption events will be suppressed
qcow2_free_clusters failed: Input/output error
discard failed: No medium found
--- Repairing ---
ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
qcow2: Marking image as corrupt: Refblock offset 0x2a00 unaligned (reftable index: 0); further corruption events will be suppressed
Can't get refcount for cluster 0: Input/output error
Can't get refcount for cluster 1: Input/output error
Can't get refcount for cluster 2: Input/output error
Can't get refcount for cluster 3: Input/output error
Can't get refcount for cluster 4: Input/output error
Can't get refcount for cluster 5: Input/output error
Can't get refcount for cluster 6: Input/output error
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
qemu-img: Check failed: No medium found
Leaked cluster 1 refcount=1 reference=0
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
1 leaked clusters
0 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Discarding an out-of-bounds refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Refblock at 0xffffff00000000 is not covered by the refcount structures; further corruption events will be suppressed
qemu-img: Failed to discard unused refblocks: Input/output error
--- Checking and retrying ---
virtual size: 64M (67108864 bytes)
No errors were found on the image.
Image resized.
virtual size: 32M (33554432 bytes)
=== Discarding a non-covered in-bounds refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Refblock at 0x1000000000 is not covered by the refcount structures; further corruption events will be suppressed
qemu-img: Failed to discard unused refblocks: Input/output error
--- Checking and retrying ---
virtual size: 64M (67108864 bytes)
No errors were found on the image.
Image resized.
virtual size: 32M (33554432 bytes)
=== Discarding a refblock covered by an unaligned refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Cannot get entry from refcount block cache: Offset 0x200 is unaligned; further corruption events will be suppressed
qemu-img: Failed to discard unused refblocks: Input/output error
--- Repairing ---
Repairing refcount block 1 is outside image
ERROR refcount block 2 is not cluster aligned; refcount table entry corrupted
qcow2: Marking image as corrupt: Refblock offset 0x200 unaligned (reftable index: 0x2); further corruption events will be suppressed
Can't get refcount for cluster 1048576: Input/output error
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
Repairing cluster 1048576 refcount=1 reference=0
qemu-img: Check failed: No medium found
Leaked cluster 1 refcount=1 reference=0
Leaked cluster 2 refcount=1 reference=0
Leaked cluster 1048576 refcount=1 reference=0
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
Repairing cluster 1048576 refcount=1 reference=0
The following inconsistencies were found and repaired:
3 leaked clusters
0 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing the QEMU shutdown with a corrupted image ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
QMP_VERSION
{"return": {}}
{"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}}
*** done
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