effd60c878
monitor_qmp_dispatcher_co() runs in the iohandler AioContext that is not
polled during nested event loops. The coroutine currently reschedules
itself in the main loop's qemu_aio_context AioContext, which is polled
during nested event loops. One known problem is that QMP device-add
calls drain_call_rcu(), which temporarily drops the BQL, leading to all
sorts of havoc like other vCPU threads re-entering device emulation code
while another vCPU thread is waiting in device emulation code with
aio_poll().
Paolo Bonzini suggested running non-coroutine QMP handlers in the
iohandler AioContext. This avoids trouble with nested event loops. His
original idea was to move coroutine rescheduling to
monitor_qmp_dispatch(), but I resorted to moving it to qmp_dispatch()
because we don't know if the QMP handler needs to run in coroutine
context in monitor_qmp_dispatch(). monitor_qmp_dispatch() would have
been nicer since it's associated with the monitor implementation and not
as general as qmp_dispatch(), which is also used by qemu-ga.
A number of qemu-iotests need updated .out files because the order of
QMP events vs QMP responses has changed.
Solves Issue #1933.
Cc: qemu-stable@nongnu.org
Fixes: 7bed89958b ("device_core: use drain_call_rcu in in qmp_device_add")
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2215192
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2214985
Buglink: https://issues.redhat.com/browse/RHEL-17369
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240118144823.1497953-4-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Kevin Wolf <kwolf@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 []
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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 [1]
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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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compression type: COMPRESSION_TYPE
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lazy refcounts: false
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refcount bits: 16
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corrupt: true
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extended l2: false
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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 []
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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 [1]
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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 []
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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 []
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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 []
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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 [1]
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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 []
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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 []
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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 backing_fmt=IMGFMT
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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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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 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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|
|
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=== Testing the QEMU shutdown with a corrupted image ===
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|
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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}}
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|
write failed: Input/output error
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|
{"return": ""}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}
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|
{"return": {}}
|
|
|
|
=== Testing incoming inactive corrupted image ===
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|
|
|
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": ""}
|
|
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}
|
|
{"return": {}}
|
|
|
|
corrupt: false
|
|
*** done
|