[Ubuntu 22.04] "TSC calibration failed" is shown in dmesg

[Adrian Huang]

When booting into Ubuntu 22.04, the "TSC calibration failed" message is shown in dmesg.

[ 0.000000] kernel: tsc: Fast TSC calibration failed

The issue was fixed by upstream series c7719e793478 and b50db7095fe0. I've tested the series, and the test passed.

commit c7719e79347803b8e3b6b50da8c6db410a3012b5
Author: Feng Tang <email address hidden>
Date: Wed Nov 17 10:37:50 2021 +0800

    x86/tsc: Add a timer to make sure TSC_adjust is always checked

commit b50db7095fe002fa3e16605546cba66bf1b68a3e
Author: Feng Tang <email address hidden>
Date: Wed Nov 17 10:37:51 2021 +0800

    x86/tsc: Disable clocksource watchdog for TSC on qualified platorms

Please consider to include the series in 22.04.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1962143

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Adrian Huang (ahuang12)]

Thanks, I saw two commits are in 5.15.0-17.17.