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scripts/device-crash-test: Use a QMP timeout 

Despite all the previous fixes, it's still possible for
device-crash-test to wedge itself in the case that QEMU terminates *so
quickly* that it doesn't even begin a connection attempt to our QMP
client. Python will just joyfully wait ad infinitum for a connection
that will now never arrive.

The real fix is to use asyncio to simultaneously poll both the health of
the launched process AND the connection attempt. That's quite a bit more
invasive than just setting a connection timeout, though.

Do the very simplest thing for now.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20211118204620.1897674-7-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2021-11-18 15:46:19 -05:00
parent 1611e6cf4e
commit 206439cd89
1 changed files with 1 additions and 1 deletions
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scripts/device-crash-test
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@ -353,7 +353,7 @@ def checkOneCase(args, testcase):
'-device', qemuOptsEscape(device)]
cmdline = ' '.join([binary] + args)
dbg("will launch QEMU: %s", cmdline)
vm = QEMUMachine(binary=binary, args=args)
vm = QEMUMachine(binary=binary, args=args, qmp_timer=15)
exc = None
exc_traceback = None