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faulthandler: setup an exception handler on Windows #68036

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vstinner opened this issue Apr 2, 2015 · 8 comments
Closed

faulthandler: setup an exception handler on Windows #68036

vstinner opened this issue Apr 2, 2015 · 8 comments
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OS-windows

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@vstinner
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vstinner commented Apr 2, 2015

BPO 23848
Nosy @vstinner, @tjguk, @zware, @zooba
Files
  • faulthandler_exc_handler.patch
  • faulthandler_exc_handler-2.patch
    		•

    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 = None
closed_at = <Date 2016-03-23.14:37:17.586>
created_at = <Date 2015-04-02.08:15:59.572>
labels = ['OS-windows']
title = 'faulthandler: setup an exception handler on Windows'
updated_at = <Date 2016-03-23.17:38:16.892>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2016-03-23.17:38:16.892>
actor = 'python-dev'
assignee = 'none'
closed = True
closed_date = <Date 2016-03-23.14:37:17.586>
closer = 'vstinner'
components = ['Windows']
creation = <Date 2015-04-02.08:15:59.572>
creator = 'vstinner'
dependencies = []
files = ['38802', '38860']
hgrepos = []
issue_num = 23848
keywords = ['patch']
message_count = 8.0
messages = ['239890', '240229', '262255', '262266', '262269', '262270', '262271', '262289']
nosy_count = 5.0
nosy_names = ['vstinner', 'tim.golden', 'python-dev', 'zach.ware', 'steve.dower']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue23848'
versions = ['Python 3.5']
    @vstinner
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    vstinner commented Apr 2, 2015

    Attached patch setup an exception handler on Windows.

    I wrote it when investigating a failure of test_exceptions related to the issue bpo-22977. faulthandler was not trigerred while the program crashed.

    I didn't test the patch yet (I tested a previous attempt, a little bit different). Maybe we can avoid setting signal handlers on Windows if an exception handler is set?

    @vstinner
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    vstinner commented Apr 7, 2015

    More complete (and working) patch. Most unit tests pass, but two unit tests must be updated to match the new error message.

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    Mannequin

    python-dev mannequin commented Mar 23, 2016

    New changeset b2f7bb63377b by Victor Stinner in branch 'default':
    Issue bpo-23848: Expose _Py_DumpHexadecimal()
    https://hg.python.org/cpython/rev/b2f7bb63377b

    New changeset b114dbbe2d31 by Victor Stinner in branch 'default':
    faulthandler: add Windows exception handler
    https://hg.python.org/cpython/rev/b114dbbe2d31

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    python-dev mannequin commented Mar 23, 2016

    New changeset efcc48cd5bfb by Victor Stinner in branch 'default':
    faulthandler: only log fatal exceptions
    https://hg.python.org/cpython/rev/efcc48cd5bfb

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    python-dev mannequin commented Mar 23, 2016

    New changeset e6f00778d61f by Victor Stinner in branch 'default':
    Issue bpo-23848: Try to fix test_faulthandler on ARM
    https://hg.python.org/cpython/rev/e6f00778d61f

    @vstinner
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    The change b114dbbe2d31 introduced a regression on the ARM buildbot. I hope that it's fixed by the change e6f00778d61f.

    http://buildbot.python.org/all/builders/ARMv7%20Ubuntu%203.x/builds/3800/steps/test/logs/stdio

    1:06:35 [400/400/1] test_faulthandler
    Timeout (1:00:00)!
    Thread 0x40102110 (most recent call first):
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/subprocess.py", line 1608 in _try_wait
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/subprocess.py", line 1658 in wait
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/subprocess.py", line 1002 in __exit__
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_faulthandler.py", line 64 in get_output
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_faulthandler.py", line 108 in check_error
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_faulthandler.py", line 115 in check_fatal_error
    File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_faulthandler.py", line 241 in test_stack_overflow
    ...

    @vstinner vstinner reopened this Mar 23, 2016
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    Pass succeeded again on ARM, I close the issue.

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    python-dev mannequin commented Mar 23, 2016

    New changeset 3247f8df5514 by Victor Stinner in branch 'default':
    Issue bpo-23848: Fix usage of _Py_DumpDecimal()
    https://hg.python.org/cpython/rev/3247f8df5514

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