From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Srivatsa S. Bhat" Subject: Re: cpufreq_stats NULL deref on second system suspend Date: Wed, 11 Sep 2013 23:33:36 +0530 Message-ID: <5230B078.3070306@linux.vnet.ibm.com> References: <522E1FEF.6080803@wwwdotorg.org> <1775778.MeiRhuYy7o@vostro.rjw.lan> <522F86AD.6010603@wwwdotorg.org> <2521560.SfeNbV74nj@vostro.rjw.lan> <52304439.3030301@linux.vnet.ibm.com> <523094CD.3000506@wwwdotorg.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <523094CD.3000506@wwwdotorg.org> Sender: cpufreq-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Stephen Warren Cc: "Rafael J. Wysocki" , Viresh Kumar , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , cpufreq On 09/11/2013 09:35 PM, Stephen Warren wrote: > On 09/11/2013 04:21 AM, Srivatsa S. Bhat wrote: >> On 09/11/2013 04:04 AM, Rafael J. Wysocki wrote: >>> On Tuesday, September 10, 2013 02:53:01 PM Stephen Warren wrote: >>>> On 09/09/2013 05:14 PM, Rafael J. Wysocki wrote: >>>>> On Monday, September 09, 2013 03:29:06 PM Stephen Warren wrote: >>>>>> On 09/09/2013 02:24 PM, Rafael J. Wysocki wrote: >>>>>>> On Monday, September 09, 2013 02:01:32 PM Stephen Warren wrote: >>>>>>>> On 09/09/2013 02:01 PM, Rafael J. Wysocki wrote: >>>>>>>>> On Monday, September 09, 2013 01:22:23 PM Stephen Warren wrote: >>>>>>>>>> Viresh, >>>>>>>>>> >>>>>>>>>> I'm seeing the crash below when suspending my system for the second time. > ... >> Stephen, I went through the code and I think I found out what is going wrong. >> Can you please try the following patch? > > Unfortunately, I still see the exact same failure/backtrace with this > patch applied. > Oh, is it? Can you please give me the map of the related cpus on your system? (ie., cat /sys/devices/system/cpu/cpu*/cpufreq/related_cpus for each CPU.) I must be missing something... Regards, Srivatsa S. Bhat