ironic/releasenotes/notes/limit-boot-to-disk-calls-lenovo-39763bfc98f602d8.yaml
Julia Kreger 4fb1b813f4 Special case lenovo UEFI boot setup
Special cases boot/uefi record setup to focus on UEFI
nvram updates instead of attempting nvram updates *and*
setting the boot device to disk.

Closes-Bug: 2053064
Change-Id: Ic6584479a47146577052d17fa3f697eef64ac73c
2024-02-17 15:54:25 +00:00

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fixes:
- |
Fixes issues with Lenovo hardware where the system firmware may display
a blue "Boot Option Restoration" screen after the agent writes an image
to the host in UEFI boot mode, requiring manual intervention before the
deployed node boots. This issue is rooted in multiple changes being made
to the underlying NVRAM configuration of the node. Lenovo engineers
have suggested to *only* change the UEFI NVRAM and not perform
any further changes via the BMC to configure the next boot. Ironic now
does such on Lenovo hardware. More information and background on this
issue can be discovered in
`bug 2053064 <https://bugs.launchpad.net/ironic/+bug/2053064>`_.