STINNER Victor <[email protected]> added the comment:
> command timed out: 1200 seconds without output running ['make',
> 'buildbottest', 'TESTOPTS=-j2 -j4 ${BUILDBOT_TESTOPTS}', 'TESTPYTHONOPTS=',
> 'TESTTIMEOUT=900'], attempting to kill
faulthandler is supposed to display the traceback where the test hangs, but for
the main process, libregrtest uses a delay of timeout x 2 seconds:
self.worker_timeout = self.ns.timeout * 1.5
self.main_timeout = self.ns.timeout * 2.0
Here timeout=900 ("TESTTIMEOUT=900"), so main_timeout = 1800 seconds (30
minutes), whereas buildbot timeout is 1200 seconds (20 minutes) :-(
In fact, main_timeout can be *way* shorter: the main process calls
faulthandler.dump_traceback_later(self.main_timeout, exit=True) every
max(PROGRESS_UPDATE, PROGRESS_MIN_TIME) seconds (or more often): every 30
seconds (of more often).
So main_process could be max(PROGRESS_UPDATE, PROGRESS_MIN_TIME) x 2 = 1
minute, instead of 30 minutes.
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Python tracker <[email protected]>
<https://bugs.python.org/issue38190>
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