[Bug 2095099] Re: T14s G4 AMD/T16 Gen 2 AMD not booting after update with 22.04

Hi ammar,

When you met this issue, could 'Ctrl + Alt + F2' enter tty console?
If so, please attach the log from command 'journalctl -b 0 > freeze.log'

And could 'Ctrl + Alt + Del' reboot? After reboot, please attach the
previous log with below command.

$ journalctl -b -1 > freeze.log

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https://bugs.launchpad.net/bugs/2095099

Title:
T14s G4 AMD/T16 Gen 2 AMD not booting after update with 22.04

Status in linux package in Ubuntu:
Incomplete

Bug description:
I have tested this issue on the T14s Gen 4 AMD and T16 Gen 2 AMD SVT1
with Kernel versions 6.8.0-49-generic and 6.8.0-51-generic. If I
restart my system, it occasionally hangs at the Lenovo boot screen or
just shows a black screen.

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