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From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...'
Date: Mon, 15 Feb 2016 13:36:07 -0800	[thread overview]
Message-ID: <20160215213606.GD19432@atomide.com> (raw)
In-Reply-To: <CAJZ5v0hzVB0+H4nuCun3mmrES3UQ3+Rs1uz5YGu5sv4G3XU+nQ@mail.gmail.com>

* Rafael J. Wysocki <rafael@kernel.org> [160215 12:39]:
> 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/

Yes that one too seems to fix the issue on SMP systems for
me:

Tested-by: Tony Lindgren <tony@atomide.com>

Regards,

Tony

  reply	other threads:[~2016-02-15 21:36 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-15 17:05 Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...' Guenter Roeck
2016-02-15 18:41 ` Rafael J. Wysocki
2016-02-15 18:49   ` Rafael J. Wysocki
2016-02-15 18:49   ` Marc Zyngier
2016-02-15 18:54     ` Rafael J. Wysocki
2016-02-15 19:03       ` Marc Zyngier
2016-02-15 19:12         ` Rafael J. Wysocki
2016-02-15 19:28           ` Rafael J. Wysocki
2016-02-15 19:42             ` Tony Lindgren
2016-02-15 19:46               ` Guenter Roeck
2016-02-15 19:57                 ` Tony Lindgren
2016-02-15 19:23         ` Russell King - ARM Linux
2016-02-15 20:41           ` Rafael J. Wysocki
2016-02-15 19:07       ` Russell King - ARM Linux
2016-02-15 19:01   ` Tony Lindgren
2016-02-15 19:40     ` Guenter Roeck
2016-02-15 19:58       ` Tony Lindgren
2016-02-15 20:09         ` Guenter Roeck
2016-02-15 20:38           ` Rafael J. Wysocki
2016-02-15 20:37         ` Rafael J. Wysocki
2016-02-15 21:36           ` Tony Lindgren [this message]
2016-02-16  1:38             ` Guenter Roeck
2016-02-15 19:02   ` Russell King - ARM Linux
2016-02-16  1:13   ` Viresh Kumar
2016-02-16  1:27     ` Rafael J. Wysocki
2016-02-16  1:36       ` Viresh Kumar
2016-02-15 22:29 ` Peter Maydell
2016-02-15 23:19   ` Guenter Roeck

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