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sys-kernel/coreos-sources: Add backport of bugfix for #847 for flatcar-3374 #2402
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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.
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CI passed, fixed changelog. |
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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.
Apply the backport to our kernel sources, so that users can be unblocked from updating.
This will be included in Stable 3374.2.3 with Kernel 5.15.86. Although the upstream stable Kernel 5.15.87 already has the fix, we should stay with 5.15.86 at least for this Stable channel release, to keep a certain degree of stability.
See also flatcar/Flatcar#847, #2315.
Testing done
CI: http://jenkins.infra.kinvolk.io:8080/job/container/job/packages_all_arches/1121/cldsv/
changelog/directory (user-facing change, bug fix, security fix, update)/bootand/usrsize, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.