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sys-kernel/coreos-sources: Add backport of bugfix for #847 #2315

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merged 2 commits into from
Dec 6, 2022

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@jepio jepio commented Dec 5, 2022

sys-kernel/coreos-sources: Add backport of bugfix for flatcar/Flatcar#847

This PR adds the patch that fixes flatcar/Flatcar#847, while we wait for the patch to get merged upstream.

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Testing done

[Describe the testing you have done before submitting this PR. Please include both the commands you issued as well as the output you got.]

  • Changelog entries added in the respective changelog/ directory (user-facing change, bug fix, security fix, update)
  • Inspected CI output for image differences: /boot and /usr size, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.

Users reported a deadlock in ext4 that occurs under loads after kernel 5.15.72.
We debugged and found that this issue is also present upstream (6.x) and found
a fix. The fix has been validated to fix the issue, but we're still waiting for
a reponse from the ext4 maintainer.

In the meantime, apply the backport to our kernel sources, so that users can be
unblocked from updating. This will be released to alpha/beta first, and
hopefully by the time it is promoted to stable, the fix will be merged to the
kernel tree and backported to 5.15.
@jepio jepio requested review from dongsupark and a team December 5, 2022 12:56
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jepio commented Dec 5, 2022

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Looks good.
Please add changelog, merge, and cherry pick to Alpha and Beta.

@jepio jepio merged commit 5936e1d into main Dec 6, 2022
@jepio jepio deleted the bug-847-kernel-fix-backport branch December 6, 2022 12:35
jepio added a commit that referenced this pull request Dec 6, 2022
sys-kernel/coreos-sources: Add backport of bugfix for #847
jepio added a commit that referenced this pull request Dec 6, 2022
sys-kernel/coreos-sources: Add backport of bugfix for #847
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Stable 3227.2.2 randomly causes processes to hang on I/O related operations
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