linux-kernel - Re: x86: report: write to unrecognized MSR

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Date:   Tue, 13 Apr 2021 10:40:36 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>
Subject: Re: x86: report: write to unrecognized MSR

On Mon, Apr 12, 2021 at 03:09:41PM -0700, Randy Dunlap wrote:
> 
> [   27.075563] msr: Write to unrecognized MSR 0x1b0 by x86_energy_perf (pid: 1223).
> [   27.078979] msr: See https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/about for details.
> 
> (aka x86_energy_perf_policy)
> 
> 
> on linux-next-20210409 / x86_64.

You're using an old x86_energy_perf tool on a new kernel. That's fixed
upstream.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette