** Changed in: linux (Ubuntu Mantic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Mantic)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Jammy)
Status: In Progress => Fix Committed
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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 Committed
Status in linux source package in Mantic:
Fix Committed
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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