From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755173Ab0KHRfN (ORCPT ); Mon, 8 Nov 2010 12:35:13 -0500 Received: from mail-ey0-f174.google.com ([209.85.215.174]:65219 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751607Ab0KHRfL convert rfc822-to-8bit (ORCPT ); Mon, 8 Nov 2010 12:35:11 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; b=vn0ZBOn9wi1loNEepWH37pSivHqdIf1vlJmfN2ecZCAHPdGLuqPCRa+oatiqDXogCf hHLvNYh+HG83OF9IwlqxnGs2Jizvrrz9eHoarLmydq+jjxCA6PjWQwUnIjl/lvqViwso ZtKlXKde4b9hsGWL/TMcpGbVbFBv08hG8vC/c= From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: Zhang Rui Subject: Re: [REGRESSION] [2.6.37-rc1] Fan noise after suspend to ram/disk Date: Mon, 8 Nov 2010 18:35:05 +0100 User-Agent: KMail/1.13.5 (Linux/2.6.37-rc1; KDE/4.4.5; i686; ; ) Cc: "linux-kernel" , "linux-acpi@vger.kernel.org" , "Brown, Len" , "Rafael J. Wysocki" References: <201011041706.59046.maciej.rutecki@gmail.com> <201011052049.55500.maciej.rutecki@gmail.com> <1289199532.8148.57.camel@rui> In-Reply-To: <1289199532.8148.57.camel@rui> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Message-Id: <201011081835.05733.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On poniedziałek, 8 listopada 2010 o 07:58:52 Zhang Rui wrote: > IMO, the only one that may cause this regression is commit > c57b62f5b1e6dd69ff8c96f6db7f86ea31c0e21f > some app may enable polling via procfs and update the thermal zone > status. I revert this commit from 2.6.37-rc1. Still the same: maciek@gumis:~$ grep . /sys/class/thermal/*/* /sys/class/thermal/cooling_device0/cur_state:0 /sys/class/thermal/cooling_device0/max_state:10 /sys/class/thermal/cooling_device0/type:LCD /sys/class/thermal/cooling_device1/cur_state:0 /sys/class/thermal/cooling_device1/max_state:10 /sys/class/thermal/cooling_device1/type:Processor /sys/class/thermal/cooling_device2/cur_state:0 /sys/class/thermal/cooling_device2/max_state:10 /sys/class/thermal/cooling_device2/type:Processor /sys/class/thermal/cooling_device3/cur_state:1 /sys/class/thermal/cooling_device3/max_state:1 /sys/class/thermal/cooling_device3/type:Fan /sys/class/thermal/cooling_device4/cur_state:1 /sys/class/thermal/cooling_device4/max_state:1 /sys/class/thermal/cooling_device4/type:Fan /sys/class/thermal/cooling_device5/cur_state:1 /sys/class/thermal/cooling_device5/max_state:1 /sys/class/thermal/cooling_device5/type:Fan /sys/class/thermal/cooling_device6/cur_state:1 /sys/class/thermal/cooling_device6/max_state:1 /sys/class/thermal/cooling_device6/type:Fan /sys/class/thermal/thermal_zone0/cdev0_trip_point:1 /sys/class/thermal/thermal_zone0/cdev1_trip_point:2 /sys/class/thermal/thermal_zone0/cdev2_trip_point:3 /sys/class/thermal/thermal_zone0/cdev3_trip_point:4 /sys/class/thermal/thermal_zone0/mode:enabled /sys/class/thermal/thermal_zone0/passive:0 /sys/class/thermal/thermal_zone0/temp:37000 /sys/class/thermal/thermal_zone0/trip_point_0_temp:256000 /sys/class/thermal/thermal_zone0/trip_point_0_type:critical /sys/class/thermal/thermal_zone0/trip_point_1_temp:78000 /sys/class/thermal/thermal_zone0/trip_point_1_type:active /sys/class/thermal/thermal_zone0/trip_point_2_temp:70000 /sys/class/thermal/thermal_zone0/trip_point_2_type:active /sys/class/thermal/thermal_zone0/trip_point_3_temp:60000 /sys/class/thermal/thermal_zone0/trip_point_3_type:active /sys/class/thermal/thermal_zone0/trip_point_4_temp:50000 /sys/class/thermal/thermal_zone0/trip_point_4_type:active /sys/class/thermal/thermal_zone0/type:acpitz /sys/class/thermal/thermal_zone1/cdev0_trip_point:1 /sys/class/thermal/thermal_zone1/cdev1_trip_point:1 /sys/class/thermal/thermal_zone1/mode:enabled /sys/class/thermal/thermal_zone1/temp:36000 /sys/class/thermal/thermal_zone1/trip_point_0_temp:90000 /sys/class/thermal/thermal_zone1/trip_point_0_type:critical /sys/class/thermal/thermal_zone1/trip_point_1_temp:87000 /sys/class/thermal/thermal_zone1/trip_point_1_type:passive /sys/class/thermal/thermal_zone1/type:acpitz /sys/class/thermal/thermal_zone2/mode:enabled /sys/class/thermal/thermal_zone2/passive:0 /sys/class/thermal/thermal_zone2/temp:33000 /sys/class/thermal/thermal_zone2/trip_point_0_temp:105000 /sys/class/thermal/thermal_zone2/trip_point_0_type:critical /sys/class/thermal/thermal_zone2/type:acpitz /sys/class/thermal/thermal_zone3/cdev0_trip_point:1 /sys/class/thermal/thermal_zone3/cdev1_trip_point:1 /sys/class/thermal/thermal_zone3/mode:enabled /sys/class/thermal/thermal_zone3/temp:30800 /sys/class/thermal/thermal_zone3/trip_point_0_temp:90000 /sys/class/thermal/thermal_zone3/trip_point_0_type:critical /sys/class/thermal/thermal_zone3/trip_point_1_temp:60000 /sys/class/thermal/thermal_zone3/trip_point_1_type:passive /sys/class/thermal/thermal_zone3/type:acpitz /sys/class/thermal/thermal_zone4/mode:enabled /sys/class/thermal/thermal_zone4/passive:0 /sys/class/thermal/thermal_zone4/temp:100000 /sys/class/thermal/thermal_zone4/trip_point_0_temp:110000 /sys/class/thermal/thermal_zone4/trip_point_0_type:critical /sys/class/thermal/thermal_zone4/type:acpitz maciek@gumis:~$ grep . /proc/acpi/thermal_zone/*/* /proc/acpi/thermal_zone/TZ0/cooling_mode: /proc/acpi/thermal_zone/TZ0/polling_frequency: /proc/acpi/thermal_zone/TZ0/state:state: active[0] /proc/acpi/thermal_zone/TZ0/temperature:temperature: 37 C /proc/acpi/thermal_zone/TZ0/trip_points:critical (S5): 256 C /proc/acpi/thermal_zone/TZ0/trip_points:passive (forced): /proc/acpi/thermal_zone/TZ0/trip_points:active[0]: 78 C: devices=C325 /proc/acpi/thermal_zone/TZ0/trip_points:active[1]: 70 C: devices=C326 /proc/acpi/thermal_zone/TZ0/trip_points:active[2]: 60 C: devices=C327 /proc/acpi/thermal_zone/TZ0/trip_points:active[3]: 50 C: devices=C328 /proc/acpi/thermal_zone/TZ1/cooling_mode: /proc/acpi/thermal_zone/TZ1/polling_frequency: /proc/acpi/thermal_zone/TZ1/state:state: ok /proc/acpi/thermal_zone/TZ1/temperature:temperature: 35 C /proc/acpi/thermal_zone/TZ1/trip_points:critical (S5): 90 C /proc/acpi/thermal_zone/TZ1/trip_points:passive: 87 C: tc1=1 tc2=2 tsp=300 devices=CPU0 CPU1 /proc/acpi/thermal_zone/TZ2/cooling_mode: /proc/acpi/thermal_zone/TZ2/polling_frequency: /proc/acpi/thermal_zone/TZ2/state:state: ok /proc/acpi/thermal_zone/TZ2/temperature:temperature: 33 C /proc/acpi/thermal_zone/TZ2/trip_points:critical (S5): 105 C /proc/acpi/thermal_zone/TZ2/trip_points:passive (forced): /proc/acpi/thermal_zone/TZ3/cooling_mode: /proc/acpi/thermal_zone/TZ3/polling_frequency: /proc/acpi/thermal_zone/TZ3/state:state: ok /proc/acpi/thermal_zone/TZ3/temperature:temperature: 31 C /proc/acpi/thermal_zone/TZ3/trip_points:critical (S5): 90 C /proc/acpi/thermal_zone/TZ3/trip_points:passive: 60 C: tc1=1 tc2=2 tsp=300 devices=CPU0 CPU1 /proc/acpi/thermal_zone/TZ4/cooling_mode: /proc/acpi/thermal_zone/TZ4/polling_frequency: /proc/acpi/thermal_zone/TZ4/state:state: ok /proc/acpi/thermal_zone/TZ4/temperature:temperature: 100 C /proc/acpi/thermal_zone/TZ4/trip_points:critical (S5): 110 C /proc/acpi/thermal_zone/TZ4/trip_points:passive (forced): > > could you please attach the output of "grep . /proc/acpi/thermal/*/*" in > 2.6.36 kernel? > 2.6.36 after suspend to ram (CPU temp was above 1st trip point): maciek@gumis:~$ grep . /proc/acpi/fan/*/* /proc/acpi/fan/C325/state:status: off /proc/acpi/fan/C326/state:status: off /proc/acpi/fan/C327/state:status: off /proc/acpi/fan/C328/state:status: on maciek@gumis:~$ grep . /proc/acpi/thermal_zone/*/* /proc/acpi/thermal_zone/TZ0/cooling_mode: /proc/acpi/thermal_zone/TZ0/polling_frequency: /proc/acpi/thermal_zone/TZ0/state:state: active[0] /proc/acpi/thermal_zone/TZ0/temperature:temperature: 50 C /proc/acpi/thermal_zone/TZ0/trip_points:critical (S5): 256 C /proc/acpi/thermal_zone/TZ0/trip_points:passive (forced): /proc/acpi/thermal_zone/TZ0/trip_points:active[0]: 78 C: devices=C325 /proc/acpi/thermal_zone/TZ0/trip_points:active[1]: 70 C: devices=C326 /proc/acpi/thermal_zone/TZ0/trip_points:active[2]: 60 C: devices=C327 /proc/acpi/thermal_zone/TZ0/trip_points:active[3]: 45 C: devices=C328 /proc/acpi/thermal_zone/TZ1/cooling_mode: /proc/acpi/thermal_zone/TZ1/polling_frequency: /proc/acpi/thermal_zone/TZ1/state:state: ok /proc/acpi/thermal_zone/TZ1/temperature:temperature: 47 C /proc/acpi/thermal_zone/TZ1/trip_points:critical (S5): 90 C /proc/acpi/thermal_zone/TZ1/trip_points:passive: 87 C: tc1=1 tc2=2 tsp=300 devices=CPU0 CPU1 /proc/acpi/thermal_zone/TZ2/cooling_mode: /proc/acpi/thermal_zone/TZ2/polling_frequency: /proc/acpi/thermal_zone/TZ2/state:state: ok /proc/acpi/thermal_zone/TZ2/temperature:temperature: 40 C /proc/acpi/thermal_zone/TZ2/trip_points:critical (S5): 105 C /proc/acpi/thermal_zone/TZ2/trip_points:passive (forced): /proc/acpi/thermal_zone/TZ3/cooling_mode: /proc/acpi/thermal_zone/TZ3/polling_frequency: /proc/acpi/thermal_zone/TZ3/state:state: ok /proc/acpi/thermal_zone/TZ3/temperature:temperature: 28 C /proc/acpi/thermal_zone/TZ3/trip_points:critical (S5): 90 C /proc/acpi/thermal_zone/TZ3/trip_points:passive: 60 C: tc1=1 tc2=2 tsp=300 devices=CPU0 CPU1 /proc/acpi/thermal_zone/TZ4/cooling_mode: /proc/acpi/thermal_zone/TZ4/polling_frequency: /proc/acpi/thermal_zone/TZ4/state:state: ok /proc/acpi/thermal_zone/TZ4/temperature:temperature: 40 C /proc/acpi/thermal_zone/TZ4/trip_points:critical (S5): 110 C /proc/acpi/thermal_zone/TZ4/trip_points:passive (forced): Regards -- Maciej Rutecki http://www.maciek.unixy.pl