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[Bug 2054699] Re: x86: performance: tsc: Extend watchdog check exemption to 4-Sockets platform

This bug is awaiting verification that the linux-xilinx-
zynqmp/5.15.0-1029.33 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-jammy-linux-xilinx-zynqmp'
to 'verification-done-jammy-linux-xilinx-zynqmp'. If the problem still
exists, change the tag 'verification-needed-jammy-linux-xilinx-zynqmp'
to 'verification-failed-jammy-linux-xilinx-zynqmp'.


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: kernel-spammed-jammy-linux-xilinx-zynqmp-v2 verification-needed-jammy-linux-xilinx-zynqmp

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https://bugs.launchpad.net/bugs/2054699

Title:
x86: performance: tsc: Extend watchdog check exemption to 4-Sockets
platform

Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Jammy:
Fix Released
Status in linux source package in Mantic:
Fix Released

Bug description:
This is a public version of https://bugs.launchpad.net/bugs/2044822


SRU Justification:

[Impact]
Fix tsc clocksource on 4 sockets x86 servers was wrongly judged as 'unstable' by 'jiffies' and other watchdogs, and disabled


[Fix]
cherry-pick
233756a640be x86/tsc: Extend watchdog check exemption to 4-Sockets platform
from upstream fixes this

[Test Plan]
This has been tested by intel, and has been upstreamed for a while.


[Where problems could occur]
This is a fairly narrow change, and extends a behaviour correction to cover up to 4-socket machines, rather than just 2 socket machines

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