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It is possible, that shutdown on target occurs earlier than migration finish. In this case we crash in bdrv_release_dirty_bitmap_locked() on assertion "assert(!bdrv_dirty_bitmap_busy(bitmap));" as we do have busy bitmap, as bitmap migration is ongoing. We'll fix bitmap migration to gracefully cancel on early shutdown soon. Now let's fix iotest 194 to wait migration completion before shutdown. Note that in this test dest_vm.shutdown() is called implicitly, as vms used as context-providers, see __exit__() method of QEMUMachine class. Actually, not waiting migration finish is a wrong thing, but the test started to crash after commitae00aa2398"iotests: 194: test also migration of dirty bitmap", which added dirty bitmaps here. So, Fixes: tag won't hurt. Fixes:ae00aa2398Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Tested-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: grammar tweak] Message-Id: <20200604083341.26978-1-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
30 lines
1.8 KiB
Plaintext
30 lines
1.8 KiB
Plaintext
Launching VMs...
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{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0"}}
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{"return": {}}
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Launching NBD server on destination...
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{"return": {}}
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{"return": {}}
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Starting `drive-mirror` on source...
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{"return": {}}
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Waiting for `drive-mirror` to complete...
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{"data": {"device": "mirror-job0", "len": 1073741824, "offset": 1073741824, "speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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Starting migration...
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{"return": {}}
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{"execute": "migrate-start-postcopy", "arguments": {}}
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{"return": {}}
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{"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"data": {"status": "postcopy-active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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Gracefully ending the `drive-mirror` job on source...
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{"return": {}}
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{"data": {"device": "mirror-job0", "len": 1073741824, "offset": 1073741824, "speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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Stopping the NBD server on destination...
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{"return": {}}
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Wait for migration completion on target...
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{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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Check bitmaps on source:
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[{"busy": false, "count": 0, "granularity": 65536, "name": "bitmap0", "persistent": false, "recording": true, "status": "active"}]
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Check bitmaps on target:
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[{"busy": false, "count": 0, "granularity": 65536, "name": "bitmap0", "persistent": false, "recording": true, "status": "active"}]
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