linux-kernel - Re: [BUG] oops in cpufreq driver with AMD Kaveri CPU

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Message-ID: <CAKohpokHAsyy+ZAZf0Ne4Eat6fkHb3vXpS8LATVS1B6STRY6oQ@mail.gmail.com>
Date:	Wed, 13 Aug 2014 10:06:02 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Oleksandr Natalenko <oleksandr@...alenko.name>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: [BUG] oops in cpufreq driver with AMD Kaveri CPU

On 13 August 2014 00:24, Oleksandr Natalenko <oleksandr@...alenko.name> wrote:
> Updated logs.
>
> Registered notifiers:
>
> ===
> pf@...iant:~$ cat /var/log/kern.log | grep "Registered transition notifier"
> Aug 12 21:50:13 defiant kernel: [    3.081759] cpufreq: Registered transition
> notifier: ffffffff81590378, (ffffffff81cb0ba0)
> ===
>
> Triggered notifiers:
>
> ===
> pf@...iant:~$ dmesg | grep CPUFREQ_NOTIFIER | awk '{ s = ""; for (i = 3; i <=
> NF; i++) s = s $i " "; print s }' | sort -u
> CPUFREQ_NOTIFIER: acpi_processor_ppc_notifier
> CPUFREQ_NOTIFIER: acpi_thermal_cpufreq_notifier
> CPUFREQ_NOTIFIER: cpufreq_stat_notifier_trans

I don't know why there are three lines here. The first two are registered
for policy-notifiers and not transition ones.

So, I think its just about cpufreq-stat's notifier.
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