[issue30796] Failures/crashes in test_signal on some buildbots

2017-07-01 Thread Antoine Pitrou 

Antoine Pitrou added the comment:


New changeset 3024c0529077f5cff0b32dc84b5923c8fba99a87 by Antoine Pitrou in 
branch '3.6':
[3.6] bpo-30703: Improve signal delivery (GH-2415) (#2527)
https://github.com/python/cpython/commit/3024c0529077f5cff0b32dc84b5923c8fba99a87


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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-30 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
resolution:  -> fixed
stage: commit review -> resolved
status: open -> closed

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-30 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

It seems fixing https://bugs.python.org/issue30807 has fixed the remaining 
buildbot issues.  I will close once everything is settled.

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

Ok, the timeout on the "Ubuntu Shared" buildbot is due to 
https://bugs.python.org/issue30807

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
stage: needs patch -> commit review
versions:  -Python 2.7, Python 3.5, Python 3.6

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
dependencies: +setitimer() can disable timer by mistake
versions: +Python 2.7, Python 3.5, Python 3.6

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread David Bolen 

David Bolen added the comment:

Antoine, yes.  Send me your public key (db3l.net at gmail) and I'll set it up.

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

David, would it be possible to have shell access to that machine?

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

x86 Tiger is fine too.

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

Ok, there's definitely something fishy here.  Look at the elapsed times:

0:16:33 load avg: 0.93 [281/406] test_ossaudiodev skipped -- running: 
test_signal (874 sec)
test_ossaudiodev skipped -- [Errno 2] No such file or directory: '/dev/dsp'
0:16:59 load avg: 0.95 [282/406/1] test_signal crashed (Exit code 1)
Timeout (0:15:00)!


faulthandler claims that 15 minutes have elapsed, but only 59-33 = 26 *seconds* 
have!

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

Hmm, it's not 15 seconds, it's 15 minutes...

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

Hmm, that function only sends 20 signals in a row.  How can it timeout after 15 
seconds?

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nosy: +db3l

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread STINNER Victor 

STINNER Victor added the comment:

http://buildbot.python.org/all/builders/x86%20Ubuntu%20Shared%203.x/builds/979/steps/test/logs/stdio

test_stress_delivery_dependent (test.test_signal.StressTest) ... Timeout 
(0:15:00)!
Thread 0x405acdc0 (most recent call first):
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_signal.py", line 
973 in measure_itimer_resolution
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_signal.py", line 
985 in decide_itimer_count
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_signal.py", line 
1001 in test_stress_delivery_dependent
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/case.py", 
line 615 in run
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/case.py", 
line 663 in __call__
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", 
line 122 in run
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", 
line 84 in __call__
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", 
line 122 in run
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", 
line 84 in __call__
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", 
line 122 in run
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", 
line 84 in __call__
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/runner.py", 
line 176 in run
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/__init__.py", 
line 1896 in _run_suite
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/__init__.py", 
line 1940 in run_unittest
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/runtest.py",
 line 168 in test_runner
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/runtest.py",
 line 169 in runtest_inner
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/runtest.py",
 line 137 in runtest
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/main.py", 
line 290 in rerun_failed_tests
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/main.py", 
line 540 in _main
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/main.py", 
line 510 in main
  File 
"/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/libregrtest/main.py", 
line 585 in main
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/__main__.py", 
line 2 in 
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/runpy.py", line 85 
in _run_code
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/runpy.py", line 193 
in _run_module_as_main
make: *** [buildbottest] Error 1
program finished with exit code 2
elapsedTime=2727.765081

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

The stable buildbots seem fine now (problem fixed on FreeBSD 9, thank you 
Koobs!).

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Antoine Pitrou added the comment:


New changeset f7d090c165f6cd3d008fe60c78e5324caef53f80 by Antoine Pitrou in 
branch 'master':
bpo-30796: Fix failures in signal delivery stress test (#2488)
https://github.com/python/cpython/commit/f7d090c165f6cd3d008fe60c78e5324caef53f80


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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
pull_requests: +2547

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread Kubilay Kocak 

Kubilay Kocak added the comment:

@Antoine Happy to any time. PM me public key on IRC (freenode:koobs) and I'll 
reply with user@host:port

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-29 Thread STINNER Victor 

STINNER Victor added the comment:

The process is even killed.

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%209.x%203.x/builds/275/steps/test/logs/stdio

Re-running test 'test_signal' in verbose mode
test_enums (test.test_signal.GenericTests) ... ok
test_itimer_exc (test.test_signal.ItimerTest) ... ok
test_itimer_prof (test.test_signal.ItimerTest) ... ok
test_itimer_real (test.test_signal.ItimerTest) ... ok
test_itimer_virtual (test.test_signal.ItimerTest) ... ok
test_pthread_kill (test.test_signal.PendingSignalsTests) ... ok
test_pthread_kill_main_thread (test.test_signal.PendingSignalsTests) ... ok
test_pthread_sigmask (test.test_signal.PendingSignalsTests) ... ok
test_pthread_sigmask_arguments (test.test_signal.PendingSignalsTests) ... ok
test_sigpending (test.test_signal.PendingSignalsTests) ... ok
test_sigpending_empty (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait_negative_timeout (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait_poll (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait_timeout (test.test_signal.PendingSignalsTests) ... ok
test_sigwait (test.test_signal.PendingSignalsTests) ... ok
test_sigwait_thread (test.test_signal.PendingSignalsTests) ... ok
test_sigwaitinfo (test.test_signal.PendingSignalsTests) ... ok
test_getsignal (test.test_signal.PosixTests) ... ok
test_interprocess_signal (test.test_signal.PosixTests) ... ok
test_out_of_range_signal_number_raises_error (test.test_signal.PosixTests) ... 
ok
test_setting_signal_handler_to_none_raises_error (test.test_signal.PosixTests) 
... ok
test_siginterrupt_off (test.test_signal.SiginterruptTest) ... ok
test_siginterrupt_on (test.test_signal.SiginterruptTest) ... ok
test_without_siginterrupt (test.test_signal.SiginterruptTest) ... ok
test_stress_delivery_dependent (test.test_signal.StressTest) ... FAIL
test_stress_delivery_simultaneous (test.test_signal.StressTest) ... FAIL
test_invalid_fd (test.test_signal.WakeupFDTests) ... ok
test_invalid_socket (test.test_signal.WakeupFDTests) ... ok
test_set_wakeup_fd_blocking (test.test_signal.WakeupFDTests) ... ok
test_set_wakeup_fd_result (test.test_signal.WakeupFDTests) ... ok
test_set_wakeup_fd_socket_result (test.test_signal.WakeupFDTests) ... ok
test_pending (test.test_signal.WakeupSignalTests) ... *** [buildbottest] Signal 
14

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-28 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

koobs, perhaps you would like to give me temporary shell access to that machine?

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-28 Thread Antoine Pitrou 

New submission from Antoine Pitrou:

The test added for issue #30703 crashes on some Unix buildbots (FreeBSD 9.x, OS 
X Tiger, AIX).

Example here:
http://buildbot.python.org/all/builders/AMD64%20FreeBSD%209.x%203.x/builds/275/steps/test/logs/stdio

As noted in the PR for that issue, some systems may have low resolution for 
setitimer(). For example, the FreeBSD man page says:

> Time values smaller than the resolution of the system clock are rounded up to 
> this resolution (typically 10 milliseconds).

--
components: Tests
messages: 297237
nosy: haypo, pitrou
priority: normal
severity: normal
stage: needs patch
status: open
title: Failures/crashes in test_signal on some buildbots
type: behavior
versions: Python 3.7

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[issue30796] Failures/crashes in test_signal on some buildbots

2017-06-28 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
nosy: +koobs

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