[Bug 2061940] Re: Some DUTs can't boot up after installing the proposed kernel on Mantic

@Roxana,

Checkout tag Ubuntu-6.5.0-34.34 and revert two patches below, it can
boot up without problem.

thermal: core: Store trip pointer in struct thermal_instance
thermal: trip: Drop lockdep assertion from thermal_zone_trip_id()

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https://bugs.launchpad.net/bugs/2061940

Title:
Some DUTs can't boot up after installing the proposed kernel on Mantic

Status in linux package in Ubuntu:
In Progress

Bug description:
During the SRU testing for 6.5.0.33 kernel, I found some machines freeze at very early stage of booting process.
The last messages displayed on the screen are:
EFI stub: Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path
EFI stub: Measured initrd data into PCR 9

There are no journal logs existed when it boot with the 6.5.0-33
kernel.

Here is the list of the impacted machines that I found so far
https://certification.canonical.com/hardware/202106-29206/
https://certification.canonical.com/hardware/202106-29207/
https://certification.canonical.com/hardware/201912-27623/
https://certification.canonical.com/hardware/202007-28059/
https://certification.canonical.com/hardware/202103-28762/
https://certification.canonical.com/hardware/202012-28510/

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