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test_thread is flaky #51443

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pitrou opened this issue Oct 23, 2009 · 4 comments
Closed

test_thread is flaky #51443

pitrou opened this issue Oct 23, 2009 · 4 comments
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@pitrou
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stdlib Python modules in the Lib dir tests Tests in the Lib/test dir type-bug An unexpected behavior, bug, or error

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pitrou commented Oct 23, 2009

BPO 7194
Nosy @pitrou, @ned-deily

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = 'https://github.com/pitrou'
closed_at = <Date 2009-10-27.13:11:19.292>
created_at = <Date 2009-10-23.18:20:45.711>
labels = ['tests', 'type-bug', 'library']
title = 'test_thread is flaky'
updated_at = <Date 2009-10-28.09:20:16.160>
user = 'https://github.com/pitrou'

bugs.python.org fields:

activity = <Date 2009-10-28.09:20:16.160>
actor = 'ned.deily'
assignee = 'pitrou'
closed = True
closed_date = <Date 2009-10-27.13:11:19.292>
closer = 'pitrou'
components = ['Library (Lib)', 'Tests']
creation = <Date 2009-10-23.18:20:45.711>
creator = 'pitrou'
dependencies = []
files = []
hgrepos = []
issue_num = 7194
keywords = []
message_count = 4.0
messages = ['94392', '94393', '94559', '94617']
nosy_count = 2.0
nosy_names = ['pitrou', 'ned.deily']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue7194'
versions = ['Python 2.6']
@pitrou
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pitrou commented Oct 23, 2009

test_thread sometimes tries to release an unacquired mutex. It is easier
to reproduce when using the "-j" option (on trunk and py3k, since the
option doesn't exist on 2.6/3.1):

./python -m test.regrtest -j4 test_thread test_thread test_thread
test_thread
test_thread
test_thread
test_thread
Unhandled exception in thread started by <bound method
ThreadRunningTests.task of <test.test_thread.ThreadRunningTests
testMethod=test_stack_size>>
Traceback (most recent call last):
  File "/home/antoine/py3k/__svn__/Lib/test/test_thread.py", line 49, in
task
    self.done_mutex.release()
_thread.error: release unlocked lock
test_thread

@pitrou pitrou added stdlib Python modules in the Lib dir tests Tests in the Lib/test dir type-bug An unexpected behavior, bug, or error labels Oct 23, 2009
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pitrou commented Oct 23, 2009

Fixed in trunk, py3k and 3.1. Waiting for 2.6 to unfreeze before merging
there.

@pitrou pitrou self-assigned this Oct 23, 2009
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pitrou commented Oct 27, 2009

Backported to 2.6 in r75748.

@pitrou pitrou closed this as completed Oct 27, 2009
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Duplicate of bpo-6186?

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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