linux-kernel - Re: v4.8-rc1: thinkpad x60: running at low frequency even during kernel build

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Date:   Sat, 5 Nov 2016 16:34:18 +0100
From:   Pavel Machek <pavel@....cz>
To:     "Pandruvada, Srinivas" <srinivas.pandruvada@...el.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "viresh.kumar@...aro.org" <viresh.kumar@...aro.org>,
        "ibm-acpi-devel@...ts.sourceforge.net" 
        <ibm-acpi-devel@...ts.sourceforge.net>,
        "ibm-acpi@....eng.br" <ibm-acpi@....eng.br>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: v4.8-rc1: thinkpad x60: running at low frequency even during
 kernel build

Hi!

> > > Yes, this seems to work. scaling_max goes to 1.5, then 1.1. Also
> > > under
> > > load, scaling_max_freq changes. But at that point, we are already
> > > around 98C... and bios_limit stays the same all the time in v4.9.
> > 
> > ...while in v4.8-rc1, bios limit goes to 1.0 GHz at 90C, and
> > temperature just doesn't go above that.
> > 
> > Does it make sense to try with v4.8-final?
> I sent some suggestion to try in previous email to add more prints and
> enable debug in acpi-cpufreq. Let's try that first. We need to fix
> anyway even if 4.8-final has this issue.

Ok, you should have results in your mailbox now. If you want me to do
some more testing, let me know.

Thanks,
 								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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