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[PATCH 0/5] python/aqmp: improve support for device-crash-test

From: John Snow
Subject: [PATCH 0/5] python/aqmp: improve support for device-crash-test
Date: Thu, 11 Nov 2021 09:37:14 -0500

When I switched machine.py over to using AQMP, I caused a regression in
device-crash-test that caused many spurious errors to be printed during
the test, obscuring real test failure cases.

This series fixes the vast majority of false positives, though there is
one remaining bug in machine.py itself that would affect both
A/QMP. Rarely, when QMP fails to accept a connection from the server,
machine.py may enter the teardown phase quickly enough such that we do
not yet have an exitcode from the VM process. In these cases,
device-crash-test presumes there to be a more serious failure. That
issue is going to take slightly longer to fix and test, so I am instead
offering the majority of fixes now.

In the meantime, switching over to the legacy QMP module is possible by
setting the environment variable 'QEMU_PYTHON_LEGACY_QMP' to '1' (or any
non-empty string).

Reported-by: Thomas Huth <thuth@redhat.com>

John Snow (5):
  python/aqmp: Fix disconnect during capabilities negotiation
  python/aqmp: fix ConnectError string method
  scripts/device-crash-test: simplify Exception handling
  scripts/device-crash-test: don't emit AQMP connection errors to stdout
  scripts/device-crash-test: hide tracebacks for QMP connect errors

 python/qemu/aqmp/protocol.py | 24 ++++++++++++++++++------
 scripts/device-crash-test    | 33 +++++++++++++++++++++++++--------
 2 files changed, 43 insertions(+), 14 deletions(-)


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