From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maciej Rutecki Subject: Re: [REGRESSION] [2.6.37-rc1] Fan noise after suspend to ram/disk Date: Tue, 16 Nov 2010 16:46:23 +0100 Message-ID: <201011161646.24306.maciej.rutecki@gmail.com> References: <201011041706.59046.maciej.rutecki@gmail.com> <201011152139.46261.maciej.rutecki@gmail.com> <1289870775.8148.2020.camel@rui> Reply-To: maciej.rutecki@gmail.com Mime-Version: 1.0 Content-Type: Text/Plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-gx0-f174.google.com ([209.85.161.174]:38578 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752221Ab0KPPqg convert rfc822-to-8bit (ORCPT ); Tue, 16 Nov 2010 10:46:36 -0500 In-Reply-To: <1289870775.8148.2020.camel@rui> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Zhang Rui Cc: linux-kernel , "linux-acpi@vger.kernel.org" , "Brown, Len" , "Rafael J. Wysocki" 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 poniedzia=C5=82ek, 15 listopada 2010 o 04:16:35 Zhang Rui wrote: > > > On Tue, 2010-11-09 at 01:35 +0800, Maciej Rutecki wrote: > > > > On poniedzia=C5=82ek, 8 listopada 2010 o 07:58:52 Zhang Rui wro= te: > > > > > 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. > > > >=20 > > > > 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/re= sume. > >=20 > > Dmesg in attachement. > >=20 > > 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. >=20 > 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=3D0x004 > acpi.debug_layer=3D0x04A10000", and then attach the dmesg output afte= r the > same test. I will test it today. > Please attach the acpidump output of this laptop as well. http://unixy.pl/maciek/download/kernel/2.6.37-rc1/gumis/acpidump.dat >=20 > thanks, > rui >=20 Regards --=20 Maciej Rutecki http://www.maciek.unixy.pl -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html