https://bugzilla.kernel.org/show_bug.cgi?id=213023
Takehiko Abe (abetakeh...@gmail.com) changed:
What |Removed |Added
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CC| |abetakeh...@gmail.com
--- Comment #57 from Takehiko Abe (abetakeh...@gmail.com) ---
This is not good. The patch does eliminate the error messages for me, but it
also disables CPPC on my system.
My board is ASRock H470 Phantom Gaming 4, BIOS L1.12 12/04/2020.
The board bios has a config for "Intel Speed Shift Technology". The user manual
says this about it:
"Enable/Disable Intel Speed Shift Technology support. Enabling will expose the
CPPC v2 interface to allow for hardware controlled P-sates."
When I first got the error messages with 5.12.6 last year, I confirmed that the
error messages disappears with CPPC v2 option disabled. But disabling CPPC v2
support is not a way to go, I guess?
I believe ASRock B460M also supports CPPCv2.
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