Ubuntu 21.10 (Impish Indri) has reached end of life, so this bug will
not be fixed for that specific release.
** Changed in: linux-aws (Ubuntu Impish)
Status: Fix Committed => Won't Fix
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https://bugs.launchpad.net/bugs/1965002
Title:
AWS: Hibernate resume crashes when platform changes
Status in linux-aws package in Ubuntu:
Fix Released
Status in linux-aws source package in Focal:
Fix Released
Status in linux-aws source package in Impish:
Won't Fix
Status in linux-aws source package in Jammy:
Fix Released
Bug description:
SRU Justification
[Impact]
At present, if a virt instance is hibernated and restarted in a
different environment, the instance will crash. We have seen
situations where customers have to enable support cases to recover an
instance. The proposed patch is supposed to enable the kernel to
detect the change and reboot the instance instead of crashing. In the
ACPI specification; there is a 'hardware signature' field in the ACPI
tables, and the OS can reboot cleanly if/when that signature changes,
instead of attempting the resume and crashing.
[Fix]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=74d95555
https://lore.kernel.org/lkml/[email protected]/T/#u
[Test Case]
Hibernate an AWS instance, resume on a different platform. Positive
test results from Amazon engineers.
[Where things could go wrong]
Resume currently crashes when a hibernated instance is migrated to a
new machine. It can't get much worse, unless the initial hibernate
fails.
[Other Info]
SF: #00330794
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