Message385712
test_asyncio hangs randomly on Python 3.7 on aarch64 RHEL7 LTO + PGO 3.7. The symptom is a failed build failing with:
retry lost connection compile (retry)
Full error:
remoteFailed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionLost'>: Connection to the other side was lost in a non-clean fashion.
Example of failed build:
https://buildbot.python.org/all/#/builders/42/builds/4703
Configure command:
./configure --prefix '$(PWD)/target' --with-lto --enable-optimizations
Compile command:
make -j10 all
End of the make output:
--------
make run_profile_task
make[1]: Entering directory `/home/buildbot/buildarea/3.7.cstratak-RHEL7-aarch64.lto-pgo/build'
./python -m test.regrtest --pgo || true
0:00:00 load avg: 1.07 Run tests sequentially
0:00:00 load avg: 1.07 [ 1/416] test_grammar
(...)
0:01:40 load avg: 1.07 [ 24/416] test_asynchat
0:01:42 load avg: 1.07 [ 25/416] test_asyncio
remoteFailed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionLost'>: Connection to the other side was lost in a non-clean fashion.
]
--------
I ran manually "./configure --prefix '$(PWD)/target' --with-lto --enable-optimizations && make -j10 all" twice on the worker directly, but test_asyncio passed successfully (I tried it twice). |
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2021-01-26 13:46:19 | vstinner | set | recipients:
+ vstinner |
2021-01-26 13:46:19 | vstinner | set | messageid: <1611668779.87.0.585376079425.issue43031@roundup.psfhosted.org> |
2021-01-26 13:46:19 | vstinner | link | issue43031 messages |
2021-01-26 13:46:19 | vstinner | create | |
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