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

From "Rafael J. Wysocki" <rafael@kernel.org>
Newsgroups linux.kernel
Subject Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...'
Date 2016-02-15 21:40 +0100
Message-ID <r2y66-68b-11@gated-at.bofh.it> (permalink)
References <r2uOU-3Y1-53@gated-at.bofh.it> <r2wnF-4Wo-45@gated-at.bofh.it> <r2wH1-5lc-49@gated-at.bofh.it> <r2xjI-5z4-15@gated-at.bofh.it> <r2xto-5CC-23@gated-at.bofh.it>
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On Mon, Feb 15, 2016 at 8:58 PM, Tony Lindgren <tony@atomide.com> wrote:
> * Guenter Roeck <linux@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.

Can you please also check if this alternative fix from Viresh works:

https://patchwork.kernel.org/patch/8316611/

?

Thanks,
Rafael

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Thread

Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 18:10 +0100
  Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 19:50 +0100
    Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 19:50 +0100
    Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Marc Zyngier <marc.zyngier@arm.com> - 2016-02-15 20:00 +0100
      Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 20:00 +0100
        Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Marc Zyngier <marc.zyngier@arm.com> - 2016-02-15 20:10 +0100
          Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 20:20 +0100
            Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...' "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-02-15 20:30 +0100
              Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 20:50 +0100
                Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Tony Lindgren <tony@atomide.com> - 2016-02-15 21:00 +0100
              Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Tony Lindgren <tony@atomide.com> - 2016-02-15 20:50 +0100
          Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 20:30 +0100
            Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 21:50 +0100
        Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 20:10 +0100
    Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 20:10 +0100
    Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Tony Lindgren <tony@atomide.com> - 2016-02-15 20:10 +0100
      Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 20:50 +0100
        Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Tony Lindgren <tony@atomide.com> - 2016-02-15 21:00 +0100
          Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 21:10 +0100
            Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 21:40 +0100
          Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' "Rafael J. Wysocki" <rafael@kernel.org> - 2016-02-15 21:40 +0100
            Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Tony Lindgren <tony@atomide.com> - 2016-02-15 22:40 +0100
              Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Guenter Roeck <linux@roeck-us.net> - 2016-02-16 02:40 +0100
    Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Viresh Kumar <viresh.kumar@linaro.org> - 2016-02-16 02:20 +0100
      Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...' "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-02-16 02:30 +0100
        Re: Crashes in arm qemu emulations due to 'cpufreq: governor:  Replace timers with utilization ...' Viresh Kumar <viresh.kumar@linaro.org> - 2016-02-16 02:40 +0100
  Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Peter Maydell <peter.maydell@linaro.org> - 2016-02-15 23:40 +0100
    Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace  timers with utilization ...' Guenter Roeck <linux@roeck-us.net> - 2016-02-16 00:30 +0100

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