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

[Guenter Roeck]

On 02/15/2016 01:36 PM, Tony Lindgren wrote:
> * Rafael J. Wysocki <rafael@xxxxxxxxxx> [160215 12:39]:
> > On Mon, Feb 15, 2016 at 8:58 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> > > * Guenter Roeck <linux@xxxxxxxxxxxx> [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.
> >
> > Can you please also check if this alternative fix from Viresh works:
> >
> > https://patchwork.kernel.org/patch/8316611/
>
> Yes that one too seems to fix the issue on SMP systems for
> me:
>
> Tested-by: Tony Lindgren <tony@xxxxxxxxxxx>

Same here.

Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Guenter