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

From: Guenter Roeck <[email-masked]>
Date: Mon, 15 Feb 2016 12:09:44 -0800

On 02/15/2016 11:58 AM, Tony Lindgren wrote:
> * Guenter Roeck <[email-masked]> [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.

Thanks,
Guenter