xref: /qemu/tests/qemu-iotests/191.out (revision 7271a819) 
1QA output created by 191
2
3=== Preparing and starting VM ===
4
5Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
6Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
7Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.mid
8Formatting 'TEST_DIR/t.IMGFMT.ovl2', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.mid
9wrote 65536/65536 bytes at offset 1048576
1064 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
11{
12    "return": {
13    }
14}
15
16=== Perform commit job ===
17
18{
19    "return": {
20    }
21}
22{
23    "timestamp": {
24        "seconds":  TIMESTAMP,
25        "microseconds":  TIMESTAMP
26    },
27    "event": "BLOCK_JOB_COMPLETED",
28    "data": {
29        "device": "commit0",
30        "len": 67108864,
31        "offset": 67108864,
32        "speed": 0,
33        "type": "commit"
34    }
35}
36
37=== Check that both top and top2 point to base now ===
38
39{
40    "return": [
41        {
42            "iops_rd": 0,
43            "detect_zeroes": "off",
44            "image": {
45                "backing-image": {
46                    "virtual-size": 67108864,
47                    "filename": "TEST_DIR/t.qcow2.base",
48                    "cluster-size": 65536,
49                    "format": "qcow2",
50                    "actual-size": 397312,
51                    "format-specific": {
52                        "type": "qcow2",
53                        "data": {
54                            "compat": "1.1",
55                            "lazy-refcounts": false,
56                            "refcount-bits": 16,
57                            "corrupt": false
58                        }
59                    },
60                    "dirty-flag": false
61                },
62                "backing-filename-format": "qcow2",
63                "virtual-size": 67108864,
64                "filename": "TEST_DIR/t.qcow2.ovl2",
65                "cluster-size": 65536,
66                "format": "qcow2",
67                "actual-size": 200704,
68                "format-specific": {
69                    "type": "qcow2",
70                    "data": {
71                        "compat": "1.1",
72                        "lazy-refcounts": false,
73                        "refcount-bits": 16,
74                        "corrupt": false
75                    }
76                },
77                "full-backing-filename": "TEST_DIR/t.qcow2.base",
78                "backing-filename": "TEST_DIR/t.qcow2.base",
79                "dirty-flag": false
80            },
81            "iops_wr": 0,
82            "ro": false,
83            "node-name": "top2",
84            "backing_file_depth": 1,
85            "drv": "qcow2",
86            "iops": 0,
87            "bps_wr": 0,
88            "write_threshold": 0,
89            "backing_file": "TEST_DIR/t.qcow2.base",
90            "encrypted": false,
91            "bps": 0,
92            "bps_rd": 0,
93            "cache": {
94                "no-flush": false,
95                "direct": false,
96                "writeback": true
97            },
98            "file": "TEST_DIR/t.qcow2.ovl2",
99            "encryption_key_missing": false
100        },
101        {
102            "iops_rd": 0,
103            "detect_zeroes": "off",
104            "image": {
105                "virtual-size": 197120,
106                "filename": "TEST_DIR/t.qcow2.ovl2",
107                "format": "file",
108                "actual-size": 200704,
109                "dirty-flag": false
110            },
111            "iops_wr": 0,
112            "ro": false,
113            "node-name": "NODE_NAME",
114            "backing_file_depth": 0,
115            "drv": "file",
116            "iops": 0,
117            "bps_wr": 0,
118            "write_threshold": 0,
119            "encrypted": false,
120            "bps": 0,
121            "bps_rd": 0,
122            "cache": {
123                "no-flush": false,
124                "direct": false,
125                "writeback": true
126            },
127            "file": "TEST_DIR/t.qcow2.ovl2",
128            "encryption_key_missing": false
129        },
130        {
131            "iops_rd": 0,
132            "detect_zeroes": "off",
133            "image": {
134                "backing-image": {
135                    "virtual-size": 67108864,
136                    "filename": "TEST_DIR/t.qcow2.base",
137                    "cluster-size": 65536,
138                    "format": "qcow2",
139                    "actual-size": 397312,
140                    "format-specific": {
141                        "type": "qcow2",
142                        "data": {
143                            "compat": "1.1",
144                            "lazy-refcounts": false,
145                            "refcount-bits": 16,
146                            "corrupt": false
147                        }
148                    },
149                    "dirty-flag": false
150                },
151                "backing-filename-format": "qcow2",
152                "virtual-size": 67108864,
153                "filename": "TEST_DIR/t.qcow2",
154                "cluster-size": 65536,
155                "format": "qcow2",
156                "actual-size": 200704,
157                "format-specific": {
158                    "type": "qcow2",
159                    "data": {
160                        "compat": "1.1",
161                        "lazy-refcounts": false,
162                        "refcount-bits": 16,
163                        "corrupt": false
164                    }
165                },
166                "full-backing-filename": "TEST_DIR/t.qcow2.base",
167                "backing-filename": "TEST_DIR/t.qcow2.base",
168                "dirty-flag": false
169            },
170            "iops_wr": 0,
171            "ro": false,
172            "node-name": "top",
173            "backing_file_depth": 1,
174            "drv": "qcow2",
175            "iops": 0,
176            "bps_wr": 0,
177            "write_threshold": 0,
178            "backing_file": "TEST_DIR/t.qcow2.base",
179            "encrypted": false,
180            "bps": 0,
181            "bps_rd": 0,
182            "cache": {
183                "no-flush": false,
184                "direct": false,
185                "writeback": true
186            },
187            "file": "TEST_DIR/t.qcow2",
188            "encryption_key_missing": false
189        },
190        {
191            "iops_rd": 0,
192            "detect_zeroes": "off",
193            "image": {
194                "virtual-size": 197120,
195                "filename": "TEST_DIR/t.qcow2",
196                "format": "file",
197                "actual-size": 200704,
198                "dirty-flag": false
199            },
200            "iops_wr": 0,
201            "ro": false,
202            "node-name": "NODE_NAME",
203            "backing_file_depth": 0,
204            "drv": "file",
205            "iops": 0,
206            "bps_wr": 0,
207            "write_threshold": 0,
208            "encrypted": false,
209            "bps": 0,
210            "bps_rd": 0,
211            "cache": {
212                "no-flush": false,
213                "direct": false,
214                "writeback": true
215            },
216            "file": "TEST_DIR/t.qcow2",
217            "encryption_key_missing": false
218        },
219        {
220            "iops_rd": 0,
221            "detect_zeroes": "off",
222            "image": {
223                "backing-image": {
224                    "virtual-size": 67108864,
225                    "filename": "TEST_DIR/t.qcow2.base",
226                    "cluster-size": 65536,
227                    "format": "qcow2",
228                    "actual-size": 397312,
229                    "format-specific": {
230                        "type": "qcow2",
231                        "data": {
232                            "compat": "1.1",
233                            "lazy-refcounts": false,
234                            "refcount-bits": 16,
235                            "corrupt": false
236                        }
237                    },
238                    "dirty-flag": false
239                },
240                "backing-filename-format": "qcow2",
241                "virtual-size": 67108864,
242                "filename": "TEST_DIR/t.qcow2.mid",
243                "cluster-size": 65536,
244                "format": "qcow2",
245                "actual-size": 397312,
246                "format-specific": {
247                    "type": "qcow2",
248                    "data": {
249                        "compat": "1.1",
250                        "lazy-refcounts": false,
251                        "refcount-bits": 16,
252                        "corrupt": false
253                    }
254                },
255                "full-backing-filename": "TEST_DIR/t.qcow2.base",
256                "backing-filename": "TEST_DIR/t.qcow2.base",
257                "dirty-flag": false
258            },
259            "iops_wr": 0,
260            "ro": false,
261            "node-name": "mid",
262            "backing_file_depth": 1,
263            "drv": "qcow2",
264            "iops": 0,
265            "bps_wr": 0,
266            "write_threshold": 0,
267            "backing_file": "TEST_DIR/t.qcow2.base",
268            "encrypted": false,
269            "bps": 0,
270            "bps_rd": 0,
271            "cache": {
272                "no-flush": false,
273                "direct": false,
274                "writeback": true
275            },
276            "file": "TEST_DIR/t.qcow2.mid",
277            "encryption_key_missing": false
278        },
279        {
280            "iops_rd": 0,
281            "detect_zeroes": "off",
282            "image": {
283                "virtual-size": 393216,
284                "filename": "TEST_DIR/t.qcow2.mid",
285                "format": "file",
286                "actual-size": 397312,
287                "dirty-flag": false
288            },
289            "iops_wr": 0,
290            "ro": false,
291            "node-name": "NODE_NAME",
292            "backing_file_depth": 0,
293            "drv": "file",
294            "iops": 0,
295            "bps_wr": 0,
296            "write_threshold": 0,
297            "encrypted": false,
298            "bps": 0,
299            "bps_rd": 0,
300            "cache": {
301                "no-flush": false,
302                "direct": false,
303                "writeback": true
304            },
305            "file": "TEST_DIR/t.qcow2.mid",
306            "encryption_key_missing": false
307        },
308        {
309            "iops_rd": 0,
310            "detect_zeroes": "off",
311            "image": {
312                "virtual-size": 67108864,
313                "filename": "TEST_DIR/t.qcow2.base",
314                "cluster-size": 65536,
315                "format": "qcow2",
316                "actual-size": 397312,
317                "format-specific": {
318                    "type": "qcow2",
319                    "data": {
320                        "compat": "1.1",
321                        "lazy-refcounts": false,
322                        "refcount-bits": 16,
323                        "corrupt": false
324                    }
325                },
326                "dirty-flag": false
327            },
328            "iops_wr": 0,
329            "ro": false,
330            "node-name": "base",
331            "backing_file_depth": 0,
332            "drv": "qcow2",
333            "iops": 0,
334            "bps_wr": 0,
335            "write_threshold": 0,
336            "encrypted": false,
337            "bps": 0,
338            "bps_rd": 0,
339            "cache": {
340                "no-flush": false,
341                "direct": false,
342                "writeback": true
343            },
344            "file": "TEST_DIR/t.qcow2.base",
345            "encryption_key_missing": false
346        },
347        {
348            "iops_rd": 0,
349            "detect_zeroes": "off",
350            "image": {
351                "virtual-size": 393216,
352                "filename": "TEST_DIR/t.qcow2.base",
353                "format": "file",
354                "actual-size": 397312,
355                "dirty-flag": false
356            },
357            "iops_wr": 0,
358            "ro": false,
359            "node-name": "NODE_NAME",
360            "backing_file_depth": 0,
361            "drv": "file",
362            "iops": 0,
363            "bps_wr": 0,
364            "write_threshold": 0,
365            "encrypted": false,
366            "bps": 0,
367            "bps_rd": 0,
368            "cache": {
369                "no-flush": false,
370                "direct": false,
371                "writeback": true
372            },
373            "file": "TEST_DIR/t.qcow2.base",
374            "encryption_key_missing": false
375        }
376    ]
377}
378{
379    "return": {
380    }
381}
382{
383    "timestamp": {
384        "seconds":  TIMESTAMP,
385        "microseconds":  TIMESTAMP
386    },
387    "event": "SHUTDOWN",
388    "data": {
389        "guest": false
390    }
391}
392image: TEST_DIR/t.IMGFMT
393file format: IMGFMT
394virtual size: 64M (67108864 bytes)
395cluster_size: 65536
396backing file: TEST_DIR/t.IMGFMT.base
397backing file format: IMGFMT
398image: TEST_DIR/t.IMGFMT.ovl2
399file format: IMGFMT
400virtual size: 64M (67108864 bytes)
401cluster_size: 65536
402backing file: TEST_DIR/t.IMGFMT.base
403backing file format: IMGFMT
404
405=== Preparing and starting VM with -drive ===
406
407Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
408Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
409Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.mid
410Formatting 'TEST_DIR/t.IMGFMT.ovl2', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.mid
411Formatting 'TEST_DIR/t.IMGFMT.ovl3', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.ovl2
412wrote 65536/65536 bytes at offset 1048576
41364 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
414{
415    "return": {
416    }
417}
418
419=== Perform commit job ===
420
421{
422    "return": {
423    }
424}
425{
426    "timestamp": {
427        "seconds":  TIMESTAMP,
428        "microseconds":  TIMESTAMP
429    },
430    "event": "BLOCK_JOB_COMPLETED",
431    "data": {
432        "device": "commit0",
433        "len": 67108864,
434        "offset": 67108864,
435        "speed": 0,
436        "type": "commit"
437    }
438}
439
440=== Check that both top and top2 point to base now ===
441
442{
443    "return": [
444        {
445            "iops_rd": 0,
446            "detect_zeroes": "off",
447            "image": {
448                "backing-image": {
449                    "virtual-size": 67108864,
450                    "filename": "TEST_DIR/t.qcow2.base",
451                    "cluster-size": 65536,
452                    "format": "qcow2",
453                    "actual-size": 397312,
454                    "format-specific": {
455                        "type": "qcow2",
456                        "data": {
457                            "compat": "1.1",
458                            "lazy-refcounts": false,
459                            "refcount-bits": 16,
460                            "corrupt": false
461                        }
462                    },
463                    "dirty-flag": false
464                },
465                "backing-filename-format": "qcow2",
466                "virtual-size": 67108864,
467                "filename": "TEST_DIR/t.qcow2.ovl2",
468                "cluster-size": 65536,
469                "format": "qcow2",
470                "actual-size": 200704,
471                "format-specific": {
472                    "type": "qcow2",
473                    "data": {
474                        "compat": "1.1",
475                        "lazy-refcounts": false,
476                        "refcount-bits": 16,
477                        "corrupt": false
478                    }
479                },
480                "full-backing-filename": "TEST_DIR/t.qcow2.base",
481                "backing-filename": "TEST_DIR/t.qcow2.base",
482                "dirty-flag": false
483            },
484            "iops_wr": 0,
485            "ro": true,
486            "node-name": "NODE_NAME",
487            "backing_file_depth": 1,
488            "drv": "qcow2",
489            "iops": 0,
490            "bps_wr": 0,
491            "write_threshold": 0,
492            "backing_file": "TEST_DIR/t.qcow2.base",
493            "encrypted": false,
494            "bps": 0,
495            "bps_rd": 0,
496            "cache": {
497                "no-flush": false,
498                "direct": false,
499                "writeback": true
500            },
501            "file": "TEST_DIR/t.qcow2.ovl2",
502            "encryption_key_missing": false
503        },
504        {
505            "iops_rd": 0,
506            "detect_zeroes": "off",
507            "image": {
508                "virtual-size": 197120,
509                "filename": "TEST_DIR/t.qcow2.ovl2",
510                "format": "file",
511                "actual-size": 200704,
512                "dirty-flag": false
513            },
514            "iops_wr": 0,
515            "ro": true,
516            "node-name": "NODE_NAME",
517            "backing_file_depth": 0,
518            "drv": "file",
519            "iops": 0,
520            "bps_wr": 0,
521            "write_threshold": 0,
522            "encrypted": false,
523            "bps": 0,
524            "bps_rd": 0,
525            "cache": {
526                "no-flush": false,
527                "direct": false,
528                "writeback": true
529            },
530            "file": "TEST_DIR/t.qcow2.ovl2",
531            "encryption_key_missing": false
532        },
533        {
534            "iops_rd": 0,
535            "detect_zeroes": "off",
536            "image": {
537                "backing-image": {
538                    "backing-image": {
539                        "virtual-size": 67108864,
540                        "filename": "TEST_DIR/t.qcow2.base",
541                        "cluster-size": 65536,
542                        "format": "qcow2",
543                        "actual-size": 397312,
544                        "format-specific": {
545                            "type": "qcow2",
546                            "data": {
547                                "compat": "1.1",
548                                "lazy-refcounts": false,
549                                "refcount-bits": 16,
550                                "corrupt": false
551                            }
552                        },
553                        "dirty-flag": false
554                    },
555                    "backing-filename-format": "qcow2",
556                    "virtual-size": 67108864,
557                    "filename": "TEST_DIR/t.qcow2.ovl2",
558                    "cluster-size": 65536,
559                    "format": "qcow2",
560                    "actual-size": 200704,
561                    "format-specific": {
562                        "type": "qcow2",
563                        "data": {
564                            "compat": "1.1",
565                            "lazy-refcounts": false,
566                            "refcount-bits": 16,
567                            "corrupt": false
568                        }
569                    },
570                    "full-backing-filename": "TEST_DIR/t.qcow2.base",
571                    "backing-filename": "TEST_DIR/t.qcow2.base",
572                    "dirty-flag": false
573                },
574                "backing-filename-format": "qcow2",
575                "virtual-size": 67108864,
576                "filename": "TEST_DIR/t.qcow2.ovl3",
577                "cluster-size": 65536,
578                "format": "qcow2",
579                "actual-size": 200704,
580                "format-specific": {
581                    "type": "qcow2",
582                    "data": {
583                        "compat": "1.1",
584                        "lazy-refcounts": false,
585                        "refcount-bits": 16,
586                        "corrupt": false
587                    }
588                },
589                "full-backing-filename": "TEST_DIR/t.qcow2.ovl2",
590                "backing-filename": "TEST_DIR/t.qcow2.ovl2",
591                "dirty-flag": false
592            },
593            "iops_wr": 0,
594            "ro": false,
595            "node-name": "top2",
596            "backing_file_depth": 2,
597            "drv": "qcow2",
598            "iops": 0,
599            "bps_wr": 0,
600            "write_threshold": 0,
601            "backing_file": "TEST_DIR/t.qcow2.ovl2",
602            "encrypted": false,
603            "bps": 0,
604            "bps_rd": 0,
605            "cache": {
606                "no-flush": false,
607                "direct": false,
608                "writeback": true
609            },
610            "file": "TEST_DIR/t.qcow2.ovl3",
611            "encryption_key_missing": false
612        },
613        {
614            "iops_rd": 0,
615            "detect_zeroes": "off",
616            "image": {
617                "virtual-size": 197120,
618                "filename": "TEST_DIR/t.qcow2.ovl3",
619                "format": "file",
620                "actual-size": 200704,
621                "dirty-flag": false
622            },
623            "iops_wr": 0,
624            "ro": false,
625            "node-name": "NODE_NAME",
626            "backing_file_depth": 0,
627            "drv": "file",
628            "iops": 0,
629            "bps_wr": 0,
630            "write_threshold": 0,
631            "encrypted": false,
632            "bps": 0,
633            "bps_rd": 0,
634            "cache": {
635                "no-flush": false,
636                "direct": false,
637                "writeback": true
638            },
639            "file": "TEST_DIR/t.qcow2.ovl3",
640            "encryption_key_missing": false
641        },
642        {
643            "iops_rd": 0,
644            "detect_zeroes": "off",
645            "image": {
646                "virtual-size": 67108864,
647                "filename": "TEST_DIR/t.qcow2.base",
648                "cluster-size": 65536,
649                "format": "qcow2",
650                "actual-size": 397312,
651                "format-specific": {
652                    "type": "qcow2",
653                    "data": {
654                        "compat": "1.1",
655                        "lazy-refcounts": false,
656                        "refcount-bits": 16,
657                        "corrupt": false
658                    }
659                },
660                "dirty-flag": false
661            },
662            "iops_wr": 0,
663            "ro": true,
664            "node-name": "NODE_NAME",
665            "backing_file_depth": 0,
666            "drv": "qcow2",
667            "iops": 0,
668            "bps_wr": 0,
669            "write_threshold": 0,
670            "encrypted": false,
671            "bps": 0,
672            "bps_rd": 0,
673            "cache": {
674                "no-flush": false,
675                "direct": false,
676                "writeback": true
677            },
678            "file": "TEST_DIR/t.qcow2.base",
679            "encryption_key_missing": false
680        },
681        {
682            "iops_rd": 0,
683            "detect_zeroes": "off",
684            "image": {
685                "virtual-size": 393216,
686                "filename": "TEST_DIR/t.qcow2.base",
687                "format": "file",
688                "actual-size": 397312,
689                "dirty-flag": false
690            },
691            "iops_wr": 0,
692            "ro": true,
693            "node-name": "NODE_NAME",
694            "backing_file_depth": 0,
695            "drv": "file",
696            "iops": 0,
697            "bps_wr": 0,
698            "write_threshold": 0,
699            "encrypted": false,
700            "bps": 0,
701            "bps_rd": 0,
702            "cache": {
703                "no-flush": false,
704                "direct": false,
705                "writeback": true
706            },
707            "file": "TEST_DIR/t.qcow2.base",
708            "encryption_key_missing": false
709        },
710        {
711            "iops_rd": 0,
712            "detect_zeroes": "off",
713            "image": {
714                "backing-image": {
715                    "virtual-size": 67108864,
716                    "filename": "TEST_DIR/t.qcow2.base",
717                    "cluster-size": 65536,
718                    "format": "qcow2",
719                    "actual-size": 397312,
720                    "format-specific": {
721                        "type": "qcow2",
722                        "data": {
723                            "compat": "1.1",
724                            "lazy-refcounts": false,
725                            "refcount-bits": 16,
726                            "corrupt": false
727                        }
728                    },
729                    "dirty-flag": false
730                },
731                "backing-filename-format": "qcow2",
732                "virtual-size": 67108864,
733                "filename": "TEST_DIR/t.qcow2",
734                "cluster-size": 65536,
735                "format": "qcow2",
736                "actual-size": 200704,
737                "format-specific": {
738                    "type": "qcow2",
739                    "data": {
740                        "compat": "1.1",
741                        "lazy-refcounts": false,
742                        "refcount-bits": 16,
743                        "corrupt": false
744                    }
745                },
746                "full-backing-filename": "TEST_DIR/t.qcow2.base",
747                "backing-filename": "TEST_DIR/t.qcow2.base",
748                "dirty-flag": false
749            },
750            "iops_wr": 0,
751            "ro": false,
752            "node-name": "top",
753            "backing_file_depth": 1,
754            "drv": "qcow2",
755            "iops": 0,
756            "bps_wr": 0,
757            "write_threshold": 0,
758            "backing_file": "TEST_DIR/t.qcow2.base",
759            "encrypted": false,
760            "bps": 0,
761            "bps_rd": 0,
762            "cache": {
763                "no-flush": false,
764                "direct": false,
765                "writeback": true
766            },
767            "file": "TEST_DIR/t.qcow2",
768            "encryption_key_missing": false
769        },
770        {
771            "iops_rd": 0,
772            "detect_zeroes": "off",
773            "image": {
774                "virtual-size": 197120,
775                "filename": "TEST_DIR/t.qcow2",
776                "format": "file",
777                "actual-size": 200704,
778                "dirty-flag": false
779            },
780            "iops_wr": 0,
781            "ro": false,
782            "node-name": "NODE_NAME",
783            "backing_file_depth": 0,
784            "drv": "file",
785            "iops": 0,
786            "bps_wr": 0,
787            "write_threshold": 0,
788            "encrypted": false,
789            "bps": 0,
790            "bps_rd": 0,
791            "cache": {
792                "no-flush": false,
793                "direct": false,
794                "writeback": true
795            },
796            "file": "TEST_DIR/t.qcow2",
797            "encryption_key_missing": false
798        }
799    ]
800}
801{
802    "return": {
803    }
804}
805{
806    "timestamp": {
807        "seconds":  TIMESTAMP,
808        "microseconds":  TIMESTAMP
809    },
810    "event": "SHUTDOWN",
811    "data": {
812        "guest": false
813    }
814}
815image: TEST_DIR/t.IMGFMT
816file format: IMGFMT
817virtual size: 64M (67108864 bytes)
818cluster_size: 65536
819backing file: TEST_DIR/t.IMGFMT.base
820backing file format: IMGFMT
821image: TEST_DIR/t.IMGFMT.ovl2
822file format: IMGFMT
823virtual size: 64M (67108864 bytes)
824cluster_size: 65536
825backing file: TEST_DIR/t.IMGFMT.base
826backing file format: IMGFMT
827*** done
828