Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753868Ab3DLWny (ORCPT ); Fri, 12 Apr 2013 18:43:54 -0400 Received: from hydra.sisk.pl ([212.160.235.94]:57494 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752662Ab3DLWnw convert rfc822-to-8bit (ORCPT ); Fri, 12 Apr 2013 18:43:52 -0400 From: "Rafael J. Wysocki" To: sedat.dilek@gmail.com Cc: Viresh Kumar , Dirk Brandewie , Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org, Linux PM list , Lists linaro-kernel , Nathan Zimmer Subject: Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref] Date: Sat, 13 Apr 2013 00:51:39 +0200 Message-ID: <1923819.6Nb81T2TR8@vostro.rjw.lan> User-Agent: KMail/4.9.5 (Linux/3.9.0-rc6+; KDE/4.9.5; x86_64; ; ) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3406 Lines: 94 On Friday, April 12, 2013 11:08:37 PM Sedat Dilek wrote: > On Fri, Apr 12, 2013 at 6:27 PM, Sedat Dilek wrote: > > On Fri, Apr 12, 2013 at 5:45 PM, Sedat Dilek wrote: > >> On Fri, Apr 12, 2013 at 4:24 PM, Sedat Dilek wrote: > >>> On Fri, Apr 12, 2013 at 10:23 AM, Viresh Kumar wrote: > >>>> On 10 April 2013 11:44, Sedat Dilek 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 > >>> > >> > >> Both BROKEN here, specific pm-next commitid and pulling > >> pm.git#linux-next into next-20130411 (see attached files). > >> > >> Is "cpufreq: convert cpufreq_driver to using RCU" the root cause of this all? > >> > > > > [ CC Nathan ] > > > > NO, wrong assumption. > > > > 2013-04-12 18:04 Sedat Dilek o [revert-cpufreq-rcu] Revert > > "cpufreq: convert cpufreq_driver to using RCU" > > 2013-04-12 18:04 Sedat Dilek o Revert "cpufreq: Call > > __cpufreq_governor() with correct policy->cpus mask" > > 2013-04-11 23:24 Rafael J. Wysocki M─┐ [pm-next-079576f] Merge branch > > 'pm-cpufreq-next' into linux-next > > > > - Sedat - > > > > > >> - Sedat - > >> > >> [1] http://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git/commit/?h=linux-next&id=5800043b2488a1c4c6e859af860644d37419d58b > >> > >>>> -- > >>>> viresh > > [ TO Dirk (Author of Intel pstate driver) ] > > With CONFIG_X86_INTEL_PSTATE=n (unset) I do not see the call-trace! > > My kernel-config and dmesg are attached. You're seeing a trouble with a new driver, then, so that's not a regression. Thanks for taking the time to debug this! Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/