From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manuel Krause Subject: Re: 3.13.?: Strange / dangerous fan policy... Date: Tue, 01 Apr 2014 01:37:21 +0200 Message-ID: <5339FC31.3040601@netscape.net> References: <531A1EEE.9090101@netscape.net> <531B3E4C.2040105@roeck-us.net> <531BB171.1060208@netscape.net> <2833205.f1U4jaAo8e@vostro.rjw.lan> <531D1A3A.4040500@netscape.net> <531F8735.1010203@netscape.net> <532B4DC5.4010705@netscape.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <532B4DC5.4010705@netscape.net> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, rui.zhang@intel.com Cc: Guenter Roeck , Jean Delvare , lm-sensors@lm-sensors.org List-Id: linux-pm@vger.kernel.org On 2014-03-20 21:21, Manuel Krause wrote: > On 2014-03-11 22:59, Manuel Krause wrote: >> On 2014-03-10 02:49, Manuel Krause wrote: >>> On 2014-03-09 18:58, Rafael J. Wysocki wrote: >>>> On Sunday, March 09, 2014 01:10:25 AM Manuel Krause wrote: >>>>> On 2014-03-08 16:59, Guenter Roeck wrote: >>>>>> On 03/08/2014 03:08 AM, Jean Delvare wrote: >>>>>>> On Fri, 7 Mar 2014 14:52:30 -0800, Guenter Roeck wrote: >>>>>>>> On Fri, Mar 07, 2014 at 11:04:29PM +0100, Manuel Krause >>>>>>>> wrote: > [SNIP] > > Long time no reply from you... Have I overseen a unwritten > convention? Or were my charts that unusable for your analysis/work? > > Two days ago, I tried the 3.14.0-rc7-vanilla. And the problem > persists. "Strange / dangerous fan policy..." > > Since kernel 3.13.6 I've managed to 'fix' the potential > overheating problem by manually issuing a: > "echo 1 > /sys/class/thermal/cooling_device3/cur_state" *) > _before_ obviously critical temperatures occur. Remind: This > particular setting may only work for my system! ...and keeps > working for 3.14-rc. > > In the following I'd like to present you a modified output of my > /sys/class/thermal, that I've written a script for (for my > system), that shows the results in the way of > linux/Documentation/thermal/sysfs-api.txt, point 3: > {I've uploded the files to pastebin, to not swamp you and the > lists with so many lines of logs.} > > For the last good kernel -- 3.12.14 -- in-use: > http://pastebin.com/HL1PNcda > For my first bad kernel revision 3.13 -- at critical temp: > http://pastebin.com/98hgf1a9 > For the last bad kernel -- 3.14.0-rc7 -- at critical temp: > http://pastebin.com/MuTwTnjD > For the last bad kernel -- 3.14.0-rc7 -- after issuing the > *) command: > http://pastebin.com/2peda54z > > Please, have a look at them! And maybe, give me hints on how I > can help you to further debug this issue, as my manual method > works but it's annoying. > > And, PLEASE CC: ME, as I'm not on the lists. Or lead this > Email-thread to someone in charge. > > Thank you for your work && best regards, > Manuel Krause > This is still BUG 71711 https://bugzilla.kernel.org/show_bug.cgi?id=71711 3.12.15 works very well 3.13.7 fails 3.14.0-rc8 fails I've tried the tmon tool, now, too. Nice eyecandy and for monitoring! I've tried to revert all "thermal" related patches from 3.12.14->3.13.7 from 3.13.7. But they don't seem to matter. (Even if I apply the vice-versa patch to 3.12.15.) So "thermal" is out? For the failing kernels: Not any reached trip point (active) triggers ONE fan action! Next would be ACPI, to be investigated, THX for this audience, Manuel Krause