linux-kernel - Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref]

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Message-ID: <CA+icZUW12caZHDfgCV6E-1T4ExBPmu5bBNSqCzDwjUeidfRUPA@mail.gmail.com>
Date:	Wed, 10 Apr 2013 07:41:18 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	cpufreq@...r.kernel.org, Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref]

On Tue, Apr 9, 2013 at 6:51 PM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 9 April 2013 21:38, Sedat Dilek <sedat.dilek@...il.com> wrote:
>> With x=3 the system gets in an unuseable state.
>>
>>      root# echo 0 > /sys/devices/system/cpu/cpu3/online
>>
>> I could not write my reply and had to do a hard/cold reboot.
>> The dmesg log I saw looked similiar to my digicam-shot.
>
> Few things i need from you. First is output of cpufreq-info. Then
> all the steps you did to reproduce above? Removed any other cpus?
>

Here is the output of cpufreq-info of the stable distro-kernel I am using.
If you need the one from the "BROKEN" kernel, please let me know.

- Sedat -

View attachment "cpufreq-info_3.2.0-40-generic.txt" of type "text/plain" (3665 bytes)