Public bug reported:
SRU Justification
[Impact]
Upstream stable patchset 2022-01-19 as applied to linux-aws-5.11
5.11.0-1029.32_20.04.1 causes a boot regression.
[Fix]
Revert commit caefebc4b66f841612504c9bb3b37ce6a326d994 ("PCI/MSI: Mask
MSI-X vectors only on success")
[Test Case]
Install a kernel in a Focal/aws c4.large instance.
[Where things could go wrong]
Other instance types could fail without this patch, though it is
unlikely.
** Affects: linux-aws-5.11 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-aws-5.11 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-aws-5.11 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-aws-5.11 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1960144
Title:
linux-aws-5.11: c4.large boot regression in upstream stable patchset
2022-01-19
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