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

[Rafael J. Wysocki]

On Mon, Feb 15, 2016 at 9:09 PM, Guenter Roeck <linux at roeck-us.net> wrote:
> On 02/15/2016 11:58 AM, Tony Lindgren wrote:
>>
>> * Guenter Roeck <linux at roeck-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.
>>
>
> Confirmed. With this patch plus mine, all arm qemu tests are again passing
> for me.

OK, I'll add it to the governor changes branch.

Thanks,
Rafael