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 1951940
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.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: focal
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https://bugs.launchpad.net/bugs/1951940
Title:
Icelake cpus are not showing intel_pstate support on 20.04, 20.10,
21.04, 21.10 (ga & hwe kernels)
Status in linux package in Ubuntu:
Incomplete
Bug description:
Icelake cpus are not showing intel_pstate support on 20.04, 20.10, 21.04,
21.10 (ga & hwe kernels).
Intel wants to investigate this, and they want to see if there are missing
patches that could resolve this.
[steps]
$ dmesg | grep "intel_pstate"
[actual]
> intel_pstate: CPU model not supported
[expected]
> intel_pstate: supported
[details]
lore.kernel.org reference:
https://yhbt.net/lore/all/CAAYoRsUcyFsFWDE=r+amgdba6hcgxgte2jj_nhas5e4tdgi...@mail.gmail.com/
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