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

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Message-ID: <CAOh2x=k2xpfqz+VjYpPbQy6Z5aeo8DxkYmk7JSmrAZxQOJSU9Q@mail.gmail.com>
Date:	Tue, 12 Aug 2014 11:22:28 +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 Fri, Aug 8, 2014 at 2:23 AM, Oleksandr Natalenko
<oleksandr@...alenko.name> wrote:
> Disabling cpufreq code in kernel config works around this issue.

Yeah, because this is happening while the notifiers are being served.
Can you debug it a bit to go to the exact notifier routine where this crashes?

> Is this bug related to sleeping in atomic context, which is caused by improper
> GFP_KERNEL usage instead of GFP_ATOMIC? Should I test tat patch, or there will
> be another fix?

Which patch are you talking about here?
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