I can confirm this bug has been fixed. Relevant test output:
VM launch command: './qemu-system-sparc -display none -vga none -chardev
socket,id=mon,path=/tmp/avo_qemu_sock_g0w15g26/qemu-1672256-monitor.sock -mon
chardev=mon,mode=control -incoming tcp:localhost:53800 -nodefaults'
>>> {'execute': 'qmp_capabilities'}
<<< {'return': {}}
VM launch command: './qemu-system-sparc -display none -vga none -chardev
socket,id=mon,path=/tmp/avo_qemu_sock_ajodgya5/qemu-1672256-monitor.sock -mon
chardev=mon,mode=control -nodefaults'
>>> {'execute': 'qmp_capabilities'}
<<< {'return': {}}
>>> {'execute': 'migrate', 'arguments': {'uri': 'tcp:localhost:53800'}}
<<< {'return': {}}
>>> {'execute': 'query-migrate'}
<<< {'return': {'blocked': False, 'status': 'setup'}}
>>> {'execute': 'query-migrate'}
<<< {'timestamp': {'seconds': 1618444112, 'microseconds': 790928}, 'event':
'STOP'}
<<< {'return': {'blocked': False, 'status': 'completed', 'setup-time': 1,
'downtime': 1, 'total-time': 17, 'ram': {'total': 135274496,
'postcopy-requests': 0, 'dirty-sync-count': 2, 'multifd-bytes': 0,
'pages-per-second': 0, 'page-size': 4096, 'remaining': 0, 'mbps': 282.253,
'transferred': 528415, 'duplicate': 33170, 'dirty-pages-rate': 0, 'skipped': 0,
'normal-bytes': 229376, 'normal': 56}}}
>>> {'execute': 'query-migrate'}
<<< {'timestamp': {'seconds': 1618444112, 'microseconds': 792061}, 'event':
'RESUME'}
<<< {'return': {'blocked': False, 'status': 'completed'}}
>>> {'execute': 'query-migrate'}
<<< {'return': {'blocked': False, 'status': 'completed', 'setup-time': 1,
'downtime': 1, 'total-time': 17, 'ram': {'total': 135274496,
'postcopy-requests': 0, 'dirty-sync-count': 2, 'multifd-bytes': 0,
'pages-per-second': 0, 'page-size': 4096, 'remaining': 0, 'mbps': 282.253,
'transferred': 528415, 'duplicate': 33170, 'dirty-pages-rate': 0, 'skipped': 0,
'normal-bytes': 229376, 'normal': 56}}}
>>> {'execute': 'query-migrate'}
<<< {'return': {'blocked': False, 'status': 'completed'}}
>>> {'execute': 'query-status'}
<<< {'return': {'status': 'running', 'singlestep': False, 'running': True}}
>>> {'execute': 'query-status'}
<<< {'return': {'status': 'postmigrate', 'singlestep': False, 'running': False}}
>>> {'execute': 'quit'}
<<< {'return': {}}
>>> {'execute': 'quit'}
<<< {'return': {}}
DATA (filename=output.expected) => NOT FOUND (data sources: variant, test, file)
DATA (filename=stdout.expected) => NOT FOUND (data sources: variant, test, file)
DATA (filename=stderr.expected) => NOT FOUND (data sources: variant, test, file)
PASS 1-tests/acceptance/migration.py:Migration.test_migration_with_tcp_localhost
** Changed in: qemu
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1922611
Title:
Acceptance Tests: migration fails on sparc target
Status in QEMU:
Fix Committed
Bug description:
QEMU fails migration when using a sparc target.
This cab be verified/reproduced with the
`tests/acceptance/migration.py` test. Running it with:
$ make check-venv
$ ./tests/venv/bin/avocado --show=test run -p qemu_bin=./qemu-system-sparc
tests/acceptance/migration.py:Migration.test_migration_with_tcp_localhost
Right after a QMP `query-migrate` is executed, communication with the
monitor is lost:
>>> {'execute': 'query-migrate'}
<<< {'timestamp': {'seconds': 1617667984, 'microseconds': 330282}, 'event':
'STOP'}
<<< {'return': {'blocked': False, 'status': 'completed', 'setup-time': 0,
'downtime': 1, 'total-time': 15, 'ram': {'total': 135274496,
'postcopy-requests': 0, 'dirty-sync-count': 2, 'multifd-bytes': 0,
'pages-per-second': 0, 'page-size': 4096, 'remaining': 0, 'mbps':
301.2234666666667, 'transferred': 528703, 'duplicate': 33202,
'dirty-pages-rate': 0, 'skipped': 0, 'normal-bytes': 229376, 'normal': 56}}}
>>> {'execute': 'query-migrate'}
Reproduced traceback from:
/var/lib/users/cleber/build/qemu/tests/venv/lib64/python3.7/site-packages/avocado/core/test.py:756
Traceback (most recent call last):
File "/var/lib/users/cleber/build/qemu/tests/acceptance/migration.py", line
80, in test_migration_with_tcp_localhost
self.do_migrate(dest_uri)
File "/var/lib/users/cleber/build/qemu/tests/acceptance/migration.py", line
69, in do_migrate
self.assert_migration(source_vm, dest_vm)
File "/var/lib/users/cleber/build/qemu/tests/acceptance/migration.py", line
41, in assert_migration
args=(dst_vm,))
File
"/var/lib/users/cleber/build/qemu/tests/venv/lib64/python3.7/site-packages/avocado/utils/wait.py",
line 34, in wait_for
output = func(*args, **kwargs)
File "/var/lib/users/cleber/build/qemu/tests/acceptance/migration.py", line
31, in migration_finished
return vm.command('query-migrate')['status'] in ('completed', 'failed')
File "/home/cleber/src/qemu/python/qemu/machine.py", line 572, in command
return self._qmp.command(cmd, **qmp_args)
File "/home/cleber/src/qemu/python/qemu/qmp.py", line 284, in command
ret = self.cmd(cmd, kwds)
File "/home/cleber/src/qemu/python/qemu/qmp.py", line 278, in cmd
return self.cmd_obj(qmp_cmd)
File "/home/cleber/src/qemu/python/qemu/qmp.py", line 256, in cmd_obj
self.__sock.sendall(json.dumps(qmp_cmd).encode('utf-8'))
BrokenPipeError: [Errno 32] Broken pipe
The qemu-system-sparc binary outputs:
qemu-system-sparc: warning: nic lance.0 has no peer
qemu-system-sparc: Missing section footer for sysbusespscsi
qemu-system-sparc: load of migration failed: Invalid argument
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