From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= Subject: Re: [PATCH 0/8] Cpufreq, cpu hotplug, suspend/resume related fixes Date: Sun, 21 Jul 2013 11:40:09 +0200 Message-ID: <51EBAC79.5090606@gmx.de> References: <20130711221419.547.69781.stgit@srivatsabhat.in.ibm.com> <51DF307B.7060307@linux.vnet.ibm.com> <51E56382.3020609@gmx.de> <2829832.mz5UcF7ZkY@vostro.rjw.lan> <51E6B7F7.6020901@gmx.de> <51E6BD0E.1020101@linux.vnet.ibm.com> <51EB9F3E.70608@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mout.gmx.net ([212.227.17.21]:50472 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750851Ab3GUJkR (ORCPT ); Sun, 21 Jul 2013 05:40:17 -0400 Received: from [80.171.223.48] ([80.171.223.48]) by mail.gmx.com (mrgmx103) with ESMTPSA (Nemesis) id 0LcSWg-1UJDdB0JQE-00jsV5 for ; Sun, 21 Jul 2013 11:40:15 +0200 In-Reply-To: <51EB9F3E.70608@linux.vnet.ibm.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Srivatsa S. Bhat" Cc: "Rafael J. Wysocki" , viresh.kumar@linaro.org, robert.jarzmik@intel.com, durgadoss.r@intel.com, tianyu.lan@intel.com, lantianyu1986@gmail.com, dirk.brandewie@gmail.com, stern@rowland.harvard.edu, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org On 07/21/2013 10:43 AM, Srivatsa S. Bhat wrote: > On 07/17/2013 09:19 PM, Srivatsa S. Bhat wrote: >> On 07/17/2013 08:57 PM, Toralf F=C3=B6rster wrote: >>> On 07/16/2013 11:32 PM, Rafael J. Wysocki wrote: >>>> On Tuesday, July 16, 2013 05:15:14 PM Toralf F=C3=B6rster wrote: > [...] >>>>> sry - here again with full quote of the email : >>>>> >>>>> I applied patch [1/8] on top of v3.11-rc1-8-g47188d3 passes two s= 2ram/wakeup >>>>> cycles fine and crashed the system at the 3rd attempt / one times= just at >>>>> the 4th (blinking power led, no sysrq, ...). >>>>> >>>>> Applying patch 1-8 on top of that tree differs in that way that i= t >>>>> crashes now the system even at the 1st attempt or at least at the= 2nd >>>>> >>>>> My hardware is a ThinkPad T420 with latest BIOS and a 32 bit stab= le >>>>> Gentoo Linux - FWIW .config attached. >>>> >>>> I think you'll need the fixes first, basically [1/8] from this ser= ies and >>>> this: https://patchwork.kernel.org/patch/2827512/ . >>>> >>>> Please try to run with these two things applied only and see how t= hat goes. >>>> >>>> Thanks, >>>> Rafael >>>> >>>> >>> That was it. >>> >>> Applying https://patchwork.kernel.org/patch/2827512/ and then patch >>> [1/8] on top of v3.11-rc1-8-g47188d3 works fine and solved the repo= rted >>> issue. >>> >>> Furthermore applying patches 2-8 works too - suspend/wakeup works f= ine >>> and frequencies are scaled right after wakeup at the T420. >>> >> >> Phew! Finally :-) >> >> Thank you for all your testing efforts! >> >=20 > Rafael, Viresh, any thoughts on picking up patches 2-8 from this seri= es > for 3.12? What's about the additional patch Rafael adviced me in this thread: https://patchwork.kernel.org/patch/2827512/ ? On my ThinkPad T420 I do have to apply this on top of 3.10.1 otherwise = I do suffer from the hang during s2ram. >>>From the discussions on this thread so far, there are no pending issu= es: > Toralf verified that these patches work fine on his system, as he men= tioned > above, and Tianyu Lan independently tested this patchset and found no > issues with them. Also, Viresh analyzed the refcounting used in the p= atches > and we came to the conclusion that there is no problem with them eith= er. >=20 > =20 > Regards, > Srivatsa S. Bhat >=20 >=20 >=20 --=20 MfG/Sincerely Toralf F=C3=B6rster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3