[Bug 1932081] Re: Disable hv-kvp-daemon.service on certain instance types

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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https://bugs.launchpad.net/bugs/1932081

Title:
Disable hv-kvp-daemon.service on certain instance types

Status in linux package in Ubuntu:
New
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Focal:
Fix Committed
Status in linux source package in Groovy:
Fix Committed
Status in linux source package in Hirsute:
Fix Committed

Bug description:
[Impact]

 * Disable hv-kvp-daemon.service on certain instance types. As
requested for some azure instance types, hv-kvp-daemon is prohibited
from starting, and currently it takes a long time to come up and fail.
Configure to disable the service on those instances. At the moment, we
can key off kernel command line to detect those.

[Test Plan]

 * Boot preview image in azure
 * Check that hv-kvp-daemon.service is not running

[Where problems could occur]

 * The conditions/detection could have been more specific as to when
the daemon is pointless to run. Thus key-off kernel commandline is
good enough for now, but may require changes in the future.

[Other Info]

@ Kernel team, also see https://trello.com/c/JbomiFOe

https://lists.ubuntu.com/archives/kernel-team/2021-June/121384.html

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