1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
|
QA output created by 153
== readonly=off,force-share=on should be rejected ==
QEMU_PROG: -drive if=none,file=null-co://,readonly=off,force-share=on: force-share=on can only be used with read-only images
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: '' ==
== Launching another QEMU, opts: '' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Launching another QEMU, opts: 'read-only=on' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,read-only=on: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
no file open, try 'help open'
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
no file open, try 'help open'
_qemu_img_wrapper info TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper check TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper map TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper commit TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper create -f qcow2 TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
file format: IMGFMT
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
no file open, try 'help open'
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: '' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Launching another QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
no file open, try 'help open'
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_img_wrapper check TEST_DIR/t.qcow2
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper commit TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper create -f qcow2 TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
file format: IMGFMT
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
no file open, try 'help open'
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: 'read-only=on,force-share=on' ==
== Launching another QEMU, opts: '' ==
== Launching another QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_img_wrapper check TEST_DIR/t.qcow2
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
_qemu_img_wrapper commit TEST_DIR/t.qcow2
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper create -f qcow2 TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
file format: IMGFMT
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
no file open, try 'help open'
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Two devices with the same image (read-only=off - read-only=off) ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=off: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Two devices with the same image (read-only=off - read-only=on) ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=on: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Two devices with the same image (read-only=off - read-only=on,force-share=on) ==
== Two devices with the same image (read-only=on - read-only=off) ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=off: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Two devices with the same image (read-only=on - read-only=on) ==
== Two devices with the same image (read-only=on - read-only=on,force-share=on) ==
== Two devices with the same image (read-only=on,force-share=on - read-only=off) ==
== Two devices with the same image (read-only=on,force-share=on - read-only=on) ==
== Two devices with the same image (read-only=on,force-share=on - read-only=on,force-share=on) ==
== Creating TEST_DIR/t.qcow2.[abc] ==
Formatting 'TEST_DIR/t.IMGFMT.a', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
Formatting 'TEST_DIR/t.IMGFMT.b', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
Formatting 'TEST_DIR/t.IMGFMT.c', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.b
== Two devices sharing the same file in backing chain ==
== Backing image also as an active device ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Backing image also as an active device (ro) ==
== Symbolic link ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Active commit to intermediate layer should work when base in use ==
{"return": {}}
_qemu_img_wrapper commit -b TEST_DIR/t.qcow2.b TEST_DIR/t.qcow2.c
{"return": {}}
Adding drive
{"return": "OKrn"}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
Creating overlay with qemu-img when the guest is running should be allowed
_qemu_img_wrapper create -f qcow2 -b TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.overlay
== Closing an image should unlock it ==
{"return": ""}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
Adding two and closing one
{"return": "OKrn"}
{"return": "OKrn"}
_qemu_img_wrapper info TEST_DIR/t.qcow2
{"return": ""}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
Closing the other
{"return": ""}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
== Detecting -U and force-share conflicts ==
No conflict:
image: null-co://
file format: null-co
virtual size: 1.0G (1073741824 bytes)
disk size: unavailable
Conflict:
qemu-img: --force-share/-U conflicts with image options
No conflict:
Conflict:
-U conflicts with image options
*** done
|
