linux-kernel - Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...'

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Message-ID: <20160215195839.GA19432@atomide.com>
Date:	Mon, 15 Feb 2016 11:58:40 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	"Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-next@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: Crashes in arm qemu emulations due to 'cpufreq: governor:
 Replace timers with utilization ...'

* Guenter Roeck <linux@...ck-us.net> [160215 11:41]:
> On 02/15/2016 11:01 AM, Tony Lindgren wrote:
> >
> >https://kernelci.org/boot/all/job/next/kernel/next-20160215/
> >
> >The SMP ones seem to fail with some regulator issues?
> >
> 
> There is another problem, introduced with 6a0712f6f199e ("PM / OPP: Add
> dev_pm_opp_set_rate()"). The kernelci boot log for next-20160212:omap3-overo-tobi
> and others experience that problem.
> 
> Essentially, the code now assumes that a CPU clock always has a voltage
> regulator attached to it, which is not correct. I sent out a patch to fix
> that problem a minute ago.

Yes that fixed it thanks.

Tony