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

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Date:	Thu, 3 Dec 2015 11:35:21 +0100
From:	Borislav Petkov <bp@...e.de>
To:	Hannes Reinecke <hare@...e.de>
Cc:	Jacob Pan <jacob.jun.pan@...el.com>, x86-ml <x86@...nel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Irritating kernel message 'intel_rapl: intel_rapl: no valid rapl
 domains found in package 0'

+ 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@...e.de			               +49 911 74053 688
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
> GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
> HRB 21284 (AG Nürnberg)

-- 
Regards/Gruss,
    Boris.

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