Re: Irritating kernel message 'intel_rapl: intel_rapl: no valid rapl domains found in package 0'

From: Borislav Petkov
Date: Thu Dec 03 2015 - 05:35:37 EST


+ tip guys and lkml.

On Thu, Dec 03, 2015 at 11:12:21AM +0100, Hannes Reinecke wrote:
> Hi Jacob,
>
> Boris told me to contact you, so here we go:
>
> Booting a 3.12 kernel under qemu with a stock tianocore UEFI BIOS results in
> this message:
>
> kernel: intel_rapl: no valid rapl domains found in package 0'
>
> Which might be related to my particular setup, as I've set
>
> -cpu SandyBridge
>
> in qemu. However, the same message appears when I'm booting the minnowboard
> MAX with the said kernel.
>
> While this isn't particular harmful, the message is displayed with
> logging level 'WARN', and thus disrupts fast/quiet booting when using
> systemd.
>
> And also we really should not printing this message at all, seeing that the
> systems don't support RAPL (apparently).
>
> Cheers,
>
> Hannes
> --
> Dr. Hannes Reinecke zSeries & Storage
> hare@xxxxxxx +49 911 74053 688
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 NÃrnberg
> GF: F. ImendÃrffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
> HRB 21284 (AG NÃrnberg)

--
Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)
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