[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

STINNER Victor added the comment: We also got this error randomly on an internal s390x Red Hat build server: == FAIL: test_stress_delivery_simultaneous (test.test_signal.StressTest) This test uses simultaneous signal

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

STINNER Victor added the comment: I didn't see this failure recently, I close the issue. -- resolution: -> out of date stage: -> resolved status: open -> closed ___ Python tracker

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

STINNER Victor added the comment: > After increasing the number of CPUs in the virtual machine the failure no > longer reproduced. It is reproducible only with a single CPU. The test just failed on AMD64 Debian root 3.x and according to test.pythoninfo, this machine has a single CPU:

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

Serhiy Storchaka added the comment: After increasing the number of CPUs in the virtual machine the failure no longer reproduced. It is reproducible only with a single CPU. -- ___ Python tracker

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

Serhiy Storchaka added the comment: I can reproduce the failure on multiple OSes in VirtaulBox when run test_signal in parallel with test_regrtest: ./python -m test -j2 test_signal test_regrtest test_regrtest test_regrtest Run tests in parallel using 2 child processes 0:00:29 load avg: 4.24

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

STINNER Victor added the comment: Recent failure on AMD64 Debian root 3.7: http://buildbot.python.org/all/#/builders/127/builds/361 0:03:33 load avg: 1.38 [140/415/1] test_signal failed == FAIL:

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

STINNER Victor added the comment: test_stress_delivery_dependent() failed on AMD64 Debian root 3.x too, it's not specific to 3.6: http://buildbot.python.org/all/builders/AMD64%20Debian%20root%203.x/builds/1192/steps/test/logs/stdio

[issue30849] test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x

Changes by STINNER Victor : -- title: test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6 -> test_stress_delivery_dependent() of test_signal randomly fails on AMD64 Debian root 3.6/3.x