This bug was fixed in the package linux-meta-aws - 5.4.0.1032.33
---------------
linux-meta-aws (5.4.0.1032.33) focal; urgency=medium
* Bump ABI 5.4.0-1032
* Packaging resync (LP: #1786013)
- [Packaging] resync debian/dkms-versions from main package
-- Marcelo Henrique Cerri <marcelo.ce...@canonical.com> Wed, 09 Dec
2020 10:19:53 -0300
** Changed in: linux-meta-aws (Ubuntu Focal)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1890612
Title:
[Source NEW SRU FOCAL] ITP: Please support loading microcode early,
whilst otherwise booting without initrd
Status in cloud-images:
Fix Committed
Status in linux-meta-aws package in Ubuntu:
Fix Released
Status in microcode-initrd package in Ubuntu:
Fix Released
Status in linux-meta-aws source package in Focal:
Fix Released
Status in microcode-initrd source package in Focal:
Fix Released
Bug description:
Now that micorocode-initrd is in focal, linux-meta-aws should start
depending on it in focal too.
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[Impact]
* New package to provide micorocode-only initrd for application of
microcode on boot, when otherwise no initrd is in use.
[Test Case]
* install microcode-initrd in AWS cloud x86 metal instance
* reboot, observe that microcode has been applied, and yet the boot was
without initrd (observe journalctl -b -k to see that initrd was not used for
boot)
[Regression Potential]
* This is a brand new package, that will be used by AWS images.
Otherwise this package will not be automatically installed anywhere.
Re spinning & promoting AWS images are tested and gated by the CPC
team.
[Other Info]
* Original bug report for groovy:
Normally Ubuntu boots using initrd that has three archives: early
amd64 microcode, early intel microcode, and compressed main initrd.
When booting without initrd, simply kernel is loaded without any
initrd and thus without microcode.
However, grub supports booting with multiple initrds and one can
specify a standalone early initrd which contains microcode only, and
separate main initrd.
As an added bonus one can also specify just eary microcode initrd
without a main one, to allow kernel to load microcode early, but
otherwise boot without an initrd.
To achieve that I need to introduce a microcode-initrd package will
will only provide early initrd which only has microcode.
The intention is to seed microcode-initrd to targets that boot on
baremental without initrd.
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