** Also affects: linux-gkeop (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-gkeop (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-gkeop (Ubuntu Noble)
Importance: Undecided => Medium
** Changed in: linux-gkeop (Ubuntu Noble)
Assignee: (unassigned) => Magali Lemes do Sacramento (magalilemes)
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https://bugs.launchpad.net/bugs/2084716
Title:
Disable Multi-Gen LRU in the 6.8 kernel
Status in linux-gke package in Ubuntu:
New
Status in linux-gkeop package in Ubuntu:
New
Status in linux-gke source package in Noble:
In Progress
Status in linux-gkeop source package in Noble:
In Progress
Bug description:
[Impact]
Due to upstream Kubernetes issue #127844, Multi-Gen LRU has been
requested by Google to be disabled until a permanent fix is
implemented. This feature unintentionally changed the output of
kubelet's memory usage calculations in an unexpected way.
[Fix]
Disabled Multi-Gen LRU in the kernel config.
[Test Case]
Compile and boot test.
[Where things could go wrong]
If this fix is unsuccessful, memory usage calculations will not return
to as they were before GKE 1.30.
[Other Info]
Upstream issue: https://github.com/kubernetes/kubernetes/issues/127844
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