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

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Message-ID: <CA+icZUULhGR61V=wCXYctzBaM7Dei0-zGXApmfqQyiByzd5-cw@mail.gmail.com>
Date:	Fri, 12 Apr 2013 16:24:19 +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>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>
Subject: Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref]

On Fri, Apr 12, 2013 at 10:23 AM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 10 April 2013 11:44, Sedat Dilek <sedat.dilek@...il.com> wrote:
>> I found this "[RFC PATCH] kbuild: Build linux-tools package with 'make
>> deb-pkg'" from February 2012.
>> Can't say what happened to it...
>
> Sedat,
>
> Sorry for being late. I am down with Fever and throat infection since few days.
> Still struggling with it..
>
> There are few things i tried. Firstly the tag: next-20130326 is bad as there are
> some bad commits in cpufreq core in it.
>
> I then tried latest linux-next/master on my Thinkpad (model name        : Intel(R)
> Core(TM) i7-2640M CPU @ 2.80GHz) and couldn't boot it up. My ubuntu
> just hanged.
>
> Then i tried Rafael's linux-next branch
>
> 079576f Merge branch 'pm-cpufreq-next' into linux-next
>
> And couldn't find any issues with it. I am easily able to remove/add cpus at
> runtime..
>
> Can you give this branch a try?
>

OK, you seem to be well again, nice to hear.

I was doing the whole week spring-cleaning in the apartment of my parents.
Now, I have some minutes for a compilation run.

I guess "cpufreq: Call __cpufreq_governor() with correct policy->cpus
mask" could be the correct fix, but will try the GIT branch you have
mentioned.

- Sedat -

[1] http://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git/commit/?h=linux-next&id=e4969ebac83fdea78d89c779331396728a4e6199

> --
> viresh
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