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From: Ingo Molnar <mingo@elte.hu>
To: Stephane Eranian <eranian@google.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
	linux-kernel@vger.kernel.org, peterz@infradead.org,
	markus@trippelsdorf.de, paulus@samba.org
Subject: Re: [PATCH] perf: fix assertion failure in x86_pmu_start()
Date: Tue, 7 Feb 2012 12:36:46 +0100	[thread overview]
Message-ID: <20120207113646.GA2025@elte.hu> (raw)
In-Reply-To: <CABPqkBRM1u=+5gKs1i02LSDMGrZDoDiDkBxVrjtsQYkVCRkFsw@mail.gmail.com>


* Stephane Eranian <eranian@google.com> wrote:

> > This was already discussed last year.
> >
> > https://lkml.org/lkml/2011/3/24/552
> >
> > Apparently all HP blades I have in my labs have the problem, 
> > whatever option is chosen in BIOS.
> >
> > On my machines, I set the BIOS to 'High performance', and 
> > cpus are on highest available frequencies.
>
> Yeah, it's an old problem (> 4years). And if I recall 
> correctly, there is no option in the BIOS to turn it off. 
> You'd have to talk to HP directly.

That's most likely unrelated to the regression at hand though.

Thanks,

	Ingo

  reply	other threads:[~2012-02-07 11:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-06 20:53 [PATCH] perf: fix assertion failure in x86_pmu_start() Stephane Eranian
2012-02-07  8:34 ` Eric Dumazet
2012-02-07  8:41   ` Ingo Molnar
2012-02-07  8:55     ` Eric Dumazet
2012-02-07 10:25     ` Eric Dumazet
2012-02-07 10:31       ` Stephane Eranian
2012-02-07 10:36         ` Eric Dumazet
2012-02-07 10:40           ` Stephane Eranian
2012-02-07 11:24             ` Eric Dumazet
2012-02-07 11:27               ` Stephane Eranian
2012-02-07 11:36                 ` Ingo Molnar [this message]
2012-02-07 10:49         ` Ingo Molnar
2012-02-07 11:07           ` Stephane Eranian
2012-02-07  9:17   ` Stephane Eranian

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