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GeezerVison is showing github.com — gh-158294: Avoid relying on SystemTap probe handler ordering by stratakis · Pull Request #158346 · python/cpython

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@stratakis

@stratakis stratakis commented Sep 28, 2026 •
edited by bedevere-app Bot
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Merge the tracing state and filter output in a single probe handler as SystemTap does not guarantee the execution order of handlers sharing a probe point.

  • Issue: test_dtrace fails on s390x Fedora buildbots #158294

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@stratakis
pythongh-158294: Avoid relying on SystemTap probe handler ordering
c519ba7 
Merge the tracing state and filter output in a single probe handler as
SystemTap does not guarantee the execution order of handlers sharing a
probe point.
@bedevere-app bedevere-app Bot mentioned this pull request Sep 28, 2026
test_dtrace fails on s390x Fedora buildbots #158294
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@bedevere-app bedevere-app Bot added the awaiting review label Sep 28, 2026
@hugovk hugovk added the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Sep 28, 2026
@bedevere-bot

bedevere-bot commented Sep 28, 2026

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🤖 New build scheduled with the buildbot fleet by @hugovk for commit c519ba7 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F158346%2Fmerge

If you want to schedule another build, you need to add the 🔨 test-with-buildbots label again.
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@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Sep 28, 2026
@hugovk hugovk added the skip news label Sep 28, 2026
hugovk
hugovk approved these changes Sep 28, 2026
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The six builders that failed in #158294 now pass here:

  • https://buildbot.python.org/#/builders/1634/builds/580
  • https://buildbot.python.org/#/builders/1666/builds/580
  • https://buildbot.python.org/#/builders/1643/builds/581
  • https://buildbot.python.org/#/builders/1640/builds/583
  • https://buildbot.python.org/#/builders/1652/builds/584
  • https://buildbot.python.org/#/builders/1630/builds/675

The "buildbot/AMD64 Windows PGO NoGIL PR" failure is unrelated:

  • https://buildbot.python.org/#/builders/1623/builds/494

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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting review labels Sep 28, 2026
@hugovk
hugovk merged commit ec49d01 into python:main Sep 29, 2026
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@bedevere-app bedevere-app Bot removed the awaiting merge label Sep 29, 2026
@hugovk

hugovk commented Sep 29, 2026

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Backport needed at least for 3.15 where this is failing (for example, https://buildbot.python.org/#/builders/2016/builds/413).
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@hugovk hugovk added the needs backport to 3.15 bugs and security fixes label Sep 29, 2026
@miss-islington-app

miss-islington-app Bot commented Sep 29, 2026

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Thanks @stratakis for the PR, and @hugovk for merging it 🌮🎉.. I'm working now to backport this PR to: 3.15.
🐍🍒⛏🤖
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@bedevere-app

bedevere-app Bot commented Sep 29, 2026

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GH-158383 is a backport of this pull request to the 3.15 branch.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.15 bugs and security fixes label Sep 29, 2026
hugovk pushed a commit that referenced this pull request Sep 29, 2026
@miss-islington @stratakis
[3.15] gh-158294: Avoid relying on SystemTap probe handler ordering (G…
19c77ca 
…H-158346) (#158383)

Co-authored-by: stratakis <[email protected]>
@vstinner

vstinner commented Sep 29, 2026

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Thanks for the quick fix @stratakis!
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4 participants

@stratakis @bedevere-bot @hugovk @vstinner
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