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From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Tony Lindgren <tony@atomide.com>, Guenter Roeck <linux@roeck-us.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-next@vger.kernel.org,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...'
Date: Mon, 15 Feb 2016 21:37:39 +0100	[thread overview]
Message-ID: <CAJZ5v0hzVB0+H4nuCun3mmrES3UQ3+Rs1uz5YGu5sv4G3XU+nQ@mail.gmail.com> (raw)
In-Reply-To: <20160215195839.GA19432@atomide.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: rafael@kernel.org (Rafael J. Wysocki)
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 21:37:39 +0100	[thread overview]
Message-ID: <CAJZ5v0hzVB0+H4nuCun3mmrES3UQ3+Rs1uz5YGu5sv4G3XU+nQ@mail.gmail.com> (raw)
In-Reply-To: <20160215195839.GA19432@atomide.com>

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

  parent reply	other threads:[~2016-02-15 20:37 UTC|newest]

Thread overview: 81+ 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 17:05 ` Guenter Roeck
2016-02-15 18:41 ` Rafael J. Wysocki
2016-02-15 18:41   ` Rafael J. Wysocki
2016-02-15 18:41   ` Rafael J. Wysocki
2016-02-15 18:49   ` Rafael J. Wysocki
2016-02-15 18:49     ` Rafael J. Wysocki
2016-02-15 18:49     ` Rafael J. Wysocki
2016-02-15 18:49   ` Marc Zyngier
2016-02-15 18:49     ` Marc Zyngier
2016-02-15 18:49     ` Marc Zyngier
2016-02-15 18:54     ` Rafael J. Wysocki
2016-02-15 18:54       ` Rafael J. Wysocki
2016-02-15 18:54       ` Rafael J. Wysocki
2016-02-15 19:03       ` Marc Zyngier
2016-02-15 19:03         ` Marc Zyngier
2016-02-15 19:03         ` Marc Zyngier
2016-02-15 19:12         ` Rafael J. Wysocki
2016-02-15 19:12           ` Rafael J. Wysocki
2016-02-15 19:12           ` Rafael J. Wysocki
2016-02-15 19:28           ` Rafael J. Wysocki
2016-02-15 19:28             ` Rafael J. Wysocki
2016-02-15 19:28             ` Rafael J. Wysocki
2016-02-15 19:42             ` Tony Lindgren
2016-02-15 19:42               ` Tony Lindgren
2016-02-15 19:42               ` Tony Lindgren
2016-02-15 19:46               ` Guenter Roeck
2016-02-15 19:46                 ` Guenter Roeck
2016-02-15 19:46                 ` Guenter Roeck
2016-02-15 19:57                 ` Tony Lindgren
2016-02-15 19:57                   ` Tony Lindgren
2016-02-15 19:57                   ` Tony Lindgren
2016-02-15 19:23         ` Russell King - ARM Linux
2016-02-15 19:23           ` Russell King - ARM Linux
2016-02-15 19:23           ` Russell King - ARM Linux
2016-02-15 20:41           ` Rafael J. Wysocki
2016-02-15 20:41             ` Rafael J. Wysocki
2016-02-15 20:41             ` Rafael J. Wysocki
2016-02-15 19:07       ` Russell King - ARM Linux
2016-02-15 19:07         ` Russell King - ARM Linux
2016-02-15 19:07         ` Russell King - ARM Linux
2016-02-15 19:01   ` Tony Lindgren
2016-02-15 19:01     ` Tony Lindgren
2016-02-15 19:01     ` Tony Lindgren
2016-02-15 19:40     ` Guenter Roeck
2016-02-15 19:40       ` Guenter Roeck
2016-02-15 19:40       ` Guenter Roeck
2016-02-15 19:58       ` Tony Lindgren
2016-02-15 19:58         ` Tony Lindgren
2016-02-15 19:58         ` Tony Lindgren
2016-02-15 20:09         ` Guenter Roeck
2016-02-15 20:09           ` Guenter Roeck
2016-02-15 20:09           ` Guenter Roeck
2016-02-15 20:38           ` Rafael J. Wysocki
2016-02-15 20:38             ` Rafael J. Wysocki
2016-02-15 20:38             ` Rafael J. Wysocki
2016-02-15 20:37         ` Rafael J. Wysocki [this message]
2016-02-15 20:37           ` Rafael J. Wysocki
2016-02-15 20:37           ` Rafael J. Wysocki
2016-02-15 21:36           ` Tony Lindgren
2016-02-15 21:36             ` Tony Lindgren
2016-02-15 21:36             ` Tony Lindgren
2016-02-16  1:38             ` Guenter Roeck
2016-02-16  1:38               ` Guenter Roeck
2016-02-16  1:38               ` Guenter Roeck
2016-02-15 19:02   ` Russell King - ARM Linux
2016-02-15 19:02     ` Russell King - ARM Linux
2016-02-15 19:02     ` Russell King - ARM Linux
2016-02-16  1:13   ` Viresh Kumar
2016-02-16  1:13     ` Viresh Kumar
2016-02-16  1:13     ` Viresh Kumar
2016-02-16  1:27     ` Rafael J. Wysocki
2016-02-16  1:27       ` Rafael J. Wysocki
2016-02-16  1:27       ` Rafael J. Wysocki
2016-02-16  1:36       ` Viresh Kumar
2016-02-16  1:36         ` Viresh Kumar
2016-02-16  1:36         ` Viresh Kumar
2016-02-15 22:29 ` Peter Maydell
2016-02-15 22:29   ` Peter Maydell
2016-02-15 23:19   ` Guenter Roeck
2016-02-15 23:19     ` Guenter Roeck

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