From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Srivatsa S. Bhat" Subject: Re: [PATCH 0/8] Cpufreq, cpu hotplug, suspend/resume related fixes Date: Sun, 21 Jul 2013 14:13:42 +0530 Message-ID: <51EB9F3E.70608@linux.vnet.ibm.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from e23smtp08.au.ibm.com ([202.81.31.141]:45393 "EHLO e23smtp08.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753624Ab3GUIrb (ORCPT ); Sun, 21 Jul 2013 04:47:31 -0400 Received: from /spool/local by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 21 Jul 2013 18:44:30 +1000 In-Reply-To: <51E6BD0E.1020101@linux.vnet.ibm.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Rafael J. Wysocki" , viresh.kumar@linaro.org Cc: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= , 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 07/17/2013 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 s2= ram/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 it >>>> 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 stabl= e >>>> Gentoo Linux - FWIW .config attached. >>> >>> I think you'll need the fixes first, basically [1/8] from this seri= es and >>> this: https://patchwork.kernel.org/patch/2827512/ . >>> >>> Please try to run with these two things applied only and see how th= at 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 repor= ted >> issue. >> >> Furthermore applying patches 2-8 works too - suspend/wakeup works fi= ne >> and frequencies are scaled right after wakeup at the T420. >> >=20 > Phew! Finally :-) >=20 > Thank you for all your testing efforts! >=20 Rafael, Viresh, any thoughts on picking up patches 2-8 from this series for 3.12? =46rom 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 menti= oned above, and Tianyu Lan independently tested this patchset and found no issues with them. Also, Viresh analyzed the refcounting used in the pat= ches and we came to the conclusion that there is no problem with them either= =2E =20 Regards, Srivatsa S. Bhat