QA output created by 051 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT === Unknown option === Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=,if=none,id=drive0 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=,if=none,id=drive0: Block format 'qcow2' does not support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on,if=none,id=drive0 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on,if=none,id=drive0: Block format 'qcow2' does not support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234,if=none,id=drive0 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234,if=none,id=drive0: Block format 'qcow2' does not support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo,if=none,id=drive0 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo,if=none,id=drive0: Block format 'qcow2' does not support the option 'unknown_opt' === Unknown protocol option === Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt= QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=: Block protocol 'file' doesn't support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=on QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=on: Block protocol 'file' doesn't support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=1234 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=1234: Block protocol 'file' doesn't support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=foo QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=foo: Block protocol 'file' doesn't support the option 'unknown_opt' === Invalid format === Testing: -drive file=TEST_DIR/t.qcow2,format=foo QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=foo: Unknown driver 'foo' Testing: -drive file=TEST_DIR/t.qcow2,driver=foo QEMU_PROG: -drive file=TEST_DIR/t.qcow2,driver=foo: Unknown driver 'foo' Testing: -drive file=TEST_DIR/t.qcow2,driver=raw,format=qcow2 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,driver=raw,format=qcow2: Cannot specify both 'driver' and 'format' Testing: -drive file=TEST_DIR/t.qcow2,driver=qcow2,format=qcow2 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,driver=qcow2,format=qcow2: Cannot specify both 'driver' and 'format' === Node names === Testing: -drive file=TEST_DIR/t.qcow2,node-name=x123456789012345678901234567890 QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,node-name=x1234567890123456789012345678901 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=x1234567890123456789012345678901: Node name too long Testing: -drive file=TEST_DIR/t.qcow2,node-name=All-Types.of_all0wed_chars QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,node-name=123foo QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=123foo: Invalid node name Testing: -drive file=TEST_DIR/t.qcow2,node-name=_foo QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=_foo: Invalid node name Testing: -drive file=TEST_DIR/t.qcow2,node-name=foo#12 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=foo#12: Invalid node name === Device without drive === Testing: -device VIRTIO_SCSI -device scsi-hd QEMU X.Y.Z monitor - type 'help' for more information (qemu) QEMU_PROG: -device scsi-hd: drive property not set === Overriding backing file === Testing: -drive file=TEST_DIR/t.qcow2,driver=qcow2,backing.file.filename=TEST_DIR/t.qcow2.orig,if=none,id=drive0 -nodefaults QEMU X.Y.Z monitor - type 'help' for more information (qemu) info block drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.orig"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2) Removable device: not locked, tray closed Cache mode: writeback Backing file: TEST_DIR/t.qcow2.orig (chain depth: 1) (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,driver=raw,backing.file.filename=TEST_DIR/t.qcow2.orig QEMU_PROG: -drive file=TEST_DIR/t.qcow2,driver=raw,backing.file.filename=TEST_DIR/t.qcow2.orig: Driver doesn't support backing files Testing: -drive file=TEST_DIR/t.qcow2,file.backing.driver=file,file.backing.filename=TEST_DIR/t.qcow2.orig QEMU_PROG: -drive file=TEST_DIR/t.qcow2,file.backing.driver=file,file.backing.filename=TEST_DIR/t.qcow2.orig: Driver doesn't support backing files Testing: -drive file=TEST_DIR/t.qcow2,file.backing.driver=qcow2,file.backing.file.filename=TEST_DIR/t.qcow2.orig QEMU_PROG: -drive file=TEST_DIR/t.qcow2,file.backing.driver=qcow2,file.backing.file.filename=TEST_DIR/t.qcow2.orig: Driver doesn't support backing files === Enable and disable lazy refcounting on the command line, plus some invalid values === Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=off QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts= QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=: Parameter 'lazy-refcounts' expects 'on' or 'off' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=42 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=42: Parameter 'lazy-refcounts' expects 'on' or 'off' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=foo QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=foo: Parameter 'lazy-refcounts' expects 'on' or 'off' === With version 2 images enabling lazy refcounts must fail === Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on: Lazy refcounts require a qcow2 image with at least qemu 1.1 compatibility level Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=off QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit === No medium === Testing: -drive if=virtio QEMU X.Y.Z monitor - type 'help' for more information (qemu) QEMU_PROG: -drive if=virtio: Device needs media, but drive is empty === Attach to node in non-default iothread === === Read-only === Testing: -drive file=TEST_DIR/t.qcow2,if=virtio,readonly=on QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit === Cache modes === Testing: -drive driver=null-co,read-zeroes=on,cache=none QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive driver=null-co,read-zeroes=on,cache=directsync QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive driver=null-co,read-zeroes=on,cache=writeback QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive driver=null-co,read-zeroes=on,cache=writethrough QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive driver=null-co,read-zeroes=on,cache=unsafe QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive driver=null-co,cache=invalid_value QEMU_PROG: -drive driver=null-co,cache=invalid_value: invalid cache option Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults QEMU X.Y.Z monitor - type 'help' for more information (qemu) info block drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2) Removable device: not locked, tray closed Cache mode: writeback Backing file: TEST_DIR/t.qcow2.base (chain depth: 1) (qemu) info block file file: TEST_DIR/t.qcow2 (file) Cache mode: writeback (qemu) info block backing backing: TEST_DIR/t.qcow2.base (qcow2, read-only) Cache mode: writeback, ignore flushes (qemu) info block backing-file backing-file: TEST_DIR/t.qcow2.base (file, read-only) Cache mode: writeback, ignore flushes (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults QEMU X.Y.Z monitor - type 'help' for more information (qemu) info block drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2) Removable device: not locked, tray closed Cache mode: writethrough Backing file: TEST_DIR/t.qcow2.base (chain depth: 1) (qemu) info block file file: TEST_DIR/t.qcow2 (file) Cache mode: writeback (qemu) info block backing backing: TEST_DIR/t.qcow2.base (qcow2, read-only) Cache mode: writeback, ignore flushes (qemu) info block backing-file backing-file: TEST_DIR/t.qcow2.base (file, read-only) Cache mode: writeback, ignore flushes (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults QEMU X.Y.Z monitor - type 'help' for more information (qemu) info block drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2) Removable device: not locked, tray closed Cache mode: writeback, ignore flushes Backing file: TEST_DIR/t.qcow2.base (chain depth: 1) (qemu) info block file file: TEST_DIR/t.qcow2 (file) Cache mode: writeback, ignore flushes (qemu) info block backing backing: TEST_DIR/t.qcow2.base (qcow2, read-only) Cache mode: writeback, ignore flushes (qemu) info block backing-file backing-file: TEST_DIR/t.qcow2.base (file, read-only) Cache mode: writeback, ignore flushes (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=invalid_value,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults QEMU_PROG: -drive file=TEST_DIR/t.qcow2,cache=invalid_value,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0: invalid cache option === Specifying the protocol layer === Testing: -drive file=TEST_DIR/t.qcow2,file.driver=file QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit === Leaving out required options === Testing: -drive driver=file QEMU_PROG: -drive driver=file: The 'file' block driver requires a file name Testing: -drive driver=file,filename= QEMU_PROG: -drive driver=file,filename=: The 'file' block driver requires a file name Testing: -drive driver=nbd QEMU_PROG: -drive driver=nbd: NBD server address missing Testing: -drive driver=raw QEMU_PROG: -drive driver=raw: A block device must be specified for "file" Testing: -drive file.driver=file QEMU_PROG: -drive file.driver=file: The 'file' block driver requires a file name Testing: -drive file.driver=nbd QEMU_PROG: -drive file.driver=nbd: NBD server address missing Testing: -drive file.driver=raw QEMU_PROG: -drive file.driver=raw: A block device must be specified for "file" Testing: -drive foo=bar QEMU_PROG: -drive foo=bar: Must specify either driver or file === Specifying both an option and its legacy alias === Testing: -drive file=TEST_DIR/t.qcow2,iops=1234,throttling.iops-total=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops=1234,throttling.iops-total=5678: 'throttling.iops-total' and its alias 'iops' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,iops_rd=1234,throttling.iops-read=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_rd=1234,throttling.iops-read=5678: 'throttling.iops-read' and its alias 'iops_rd' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,iops_wr=1234,throttling.iops-write=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_wr=1234,throttling.iops-write=5678: 'throttling.iops-write' and its alias 'iops_wr' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,bps=1234,throttling.bps-total=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps=1234,throttling.bps-total=5678: 'throttling.bps-total' and its alias 'bps' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,bps_rd=1234,throttling.bps-read=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_rd=1234,throttling.bps-read=5678: 'throttling.bps-read' and its alias 'bps_rd' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,bps_wr=1234,throttling.bps-write=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_wr=1234,throttling.bps-write=5678: 'throttling.bps-write' and its alias 'bps_wr' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,iops_max=1234,throttling.iops-total-max=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_max=1234,throttling.iops-total-max=5678: 'throttling.iops-total-max' and its alias 'iops_max' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,iops_rd_max=1234,throttling.iops-read-max=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_rd_max=1234,throttling.iops-read-max=5678: 'throttling.iops-read-max' and its alias 'iops_rd_max' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,iops_wr_max=1234,throttling.iops-write-max=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_wr_max=1234,throttling.iops-write-max=5678: 'throttling.iops-write-max' and its alias 'iops_wr_max' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,bps_max=1234,throttling.bps-total-max=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_max=1234,throttling.bps-total-max=5678: 'throttling.bps-total-max' and its alias 'bps_max' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,bps_rd_max=1234,throttling.bps-read-max=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_rd_max=1234,throttling.bps-read-max=5678: 'throttling.bps-read-max' and its alias 'bps_rd_max' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,bps_wr_max=1234,throttling.bps-write-max=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_wr_max=1234,throttling.bps-write-max=5678: 'throttling.bps-write-max' and its alias 'bps_wr_max' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,iops_size=1234,throttling.iops-size=5678 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops_size=1234,throttling.iops-size=5678: 'throttling.iops-size' and its alias 'iops_size' can't be used at the same time Testing: -drive file=TEST_DIR/t.qcow2,readonly=on,read-only=off QEMU_PROG: -drive file=TEST_DIR/t.qcow2,readonly=on,read-only=off: 'read-only' and its alias 'readonly' can't be used at the same time === Catching negative/large throttling values === Testing: -drive file=TEST_DIR/t.qcow2,iops=-1 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,iops=-1: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,bps=-2 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps=-2: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,bps_rd=-3 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_rd=-3: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,bps_rd_max=-3 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps_rd_max=-3: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,throttling.iops-total=-4 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,throttling.iops-total=-4: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,throttling.bps-total=-5 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,throttling.bps-total=-5: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,bps=0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,bps=1 QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,bps=1000000000000000 QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,bps=1000000000000001 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps=1000000000000001: bps/iops/max values must be within [0, 1000000000000000] Testing: -drive file=TEST_DIR/t.qcow2,bps=9999999999999999 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,bps=9999999999999999: bps/iops/max values must be within [0, 1000000000000000] === Parsing protocol from file name === Testing: -hda foo:bar QEMU_PROG: -hda foo:bar: Unknown protocol 'foo' Testing: -drive file=foo:bar QEMU_PROG: -drive file=foo:bar: Unknown protocol 'foo' Testing: -drive file.filename=foo:bar QEMU_PROG: -drive file.filename=foo:bar: Could not open 'foo:bar': No such file or directory Testing: -hda file:TEST_DIR/t.qcow2 QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=file:TEST_DIR/t.qcow2 QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file.filename=file:TEST_DIR/t.qcow2 QEMU_PROG: -drive file.filename=file:TEST_DIR/t.qcow2: Could not open 'file:TEST_DIR/t.qcow2': No such file or directory === Snapshot mode === wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Testing: -drive file=TEST_DIR/t.qcow2,if=none,id=drive0 -snapshot QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,snapshot=on,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file.filename=TEST_DIR/t.qcow2,driver=qcow2,snapshot=on,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file.filename=TEST_DIR/t.qcow2,driver=qcow2,if=none,id=drive0 -snapshot QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file=file:TEST_DIR/t.qcow2,if=none,id=drive0 -snapshot QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file=file:TEST_DIR/t.qcow2,snapshot=on,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,if=none,id=drive0 -snapshot QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,snapshot=on,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit read 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Testing: -drive file=TEST_DIR/t.qcow2,snapshot=off,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x22 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) quit read 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Testing: -drive file=TEST_DIR/t.qcow2,snapshot=on,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) qemu-io drive0 "write -P 0x33 0 4k" wrote 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) (qemu) commit drive0 (qemu) quit read 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Testing: -drive driver=null-co,snapshot=on QEMU_PROG: -drive driver=null-co,snapshot=on: Could not get temporary filename: No such file or directory Testing: -drive file=TEST_DIR/t.qcow2,snapshot=on,read-only=on,if=none,id=drive0 QEMU X.Y.Z monitor - type 'help' for more information (qemu) info block drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}}, "driver": "qcow2", "file": {"driver": "file", "filename": SNAPSHOT_PATH}} (qcow2, read-only) Removable device: not locked, tray closed Cache mode: writeback, ignore flushes Backing file: TEST_DIR/t.qcow2 (chain depth: 1) (qemu) quit *** done