Booting issue of Alpha 3619.0.0 for Equinix Metal arm64

[dongsupark]

Description

As written in the release notes of Alpha 3619.0.0, the release has an issue with Equinix Metal arm64. Specific instances like c3.large.arm64 (Ampere Altra systems) do not boot with Kernel 6.1, due to soft lockup.

Its full console log is available.

Additional information

In case of the Ampere Altra systems, users should stay with the previous version 3602.0.0 with Kernel 5.15.
No other cloud provider is affected by the issue.
The amd64 systems are also not affected.

[dongsupark]

Fix is available flatcar/scripts#890

EDIT: superseded by Linux Kernel 6.1.33.

[dongsupark]

PRs flatcar/scripts#900 and flatcar/scripts#901 were merged.
Next Alpha release will include the fixed Kernel 6.1.33+.

[dongsupark]

Fixed in Alpha 3637.0.0