Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757548Ab0KPT24 (ORCPT ); Tue, 16 Nov 2010 14:28:56 -0500 Received: from mail-ey0-f174.google.com ([209.85.215.174]:33846 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757313Ab0KPT2y convert rfc822-to-8bit (ORCPT ); Tue, 16 Nov 2010 14:28:54 -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=rS05zChHUvcb6JvBEl3j7Cfdl7qD4wshc2y5/3FUrfAfFOSUBLh+Rv+WEJtA/hjqWo iX3d+0gIUh0yAdvBkqhGc6TGPzPpskVgRurEVl7ETLuToMPdUL7hLtD8n3tv0NQpj5De DphAMKg0RpEtQYURYVjL1/oe6HV8OT+uE+DXY= 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: Tue, 16 Nov 2010 20:28:46 +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> <201011152139.46261.maciej.rutecki@gmail.com> <1289870775.8148.2020.camel@rui> In-Reply-To: <1289870775.8148.2020.camel@rui> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Message-Id: <201011162028.47007.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1797 Lines: 46 On wtorek, 16 listopada 2010 o 02:26:15 Zhang Rui wrote: > On Tue, 2010-11-16 at 04:39 +0800, Maciej Rutecki wrote: > > On poniedziałek, 15 listopada 2010 o 04:16:35 Zhang Rui wrote: > > > On Tue, 2010-11-09 at 01:35 +0800, Maciej Rutecki wrote: > > > > 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: > > > could you please apply the patch attached, on top of 2.6.37-rc1, and > > > then attach the dmesg output if the fan is noise after suspend/resume. > > > > Dmesg in attachement. > > > > Starting suspend to ram from: > > [ 104.602674] PM: Syncing filesystems ... done. > > resume OK, but next: > > [ 144.298104] PM: Syncing filesystems ... done. > > after resume fan starts on full speed. > > it seems that it's not the thermal driver that changes the Fan speed. > Please apply the debug patch attached, rebuild with CONFIG_ACPI_DEBUG > set and reboot with "acpi.debug_level=0x004 > acpi.debug_layer=0x04A10000", and then attach the dmesg output after the > same test. > Please attach the acpidump output of this laptop as well. > > thanks, > rui > > > Regards Revert 3e384ee6c687cb397581ee8f9440fc8220cfac80 seems solve problem: https://bugzilla.kernel.org/show_bug.cgi?id=22932#c3 Thanks -- Maciej Rutecki http://www.maciek.unixy.pl -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/