From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops) Date: Mon, 31 Jan 2011 11:14:11 +0100 Message-ID: <201101311114.11935.rjw@sisk.pl> References: <556624.21214.qm@web28409.mail.ukl.yahoo.com> <201101311050.49722.rjw@sisk.pl> <4D4688DD.6030502@pardus.org.tr> Mime-Version: 1.0 Content-Type: Text/Plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4D4688DD.6030502@pardus.org.tr> Sender: linux-acpi-owner@vger.kernel.org To: Ozan =?utf-8?q?=C3=87a=C4=9Flayan?= Cc: Lionel Debroux , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, colin.king@canonical.com List-Id: platform-driver-x86.vger.kernel.org On Monday, January 31, 2011, Ozan =C3=87a=C4=9Flayan wrote: > On 31.01.2011 11:50, Rafael J. Wysocki wrote: > > On Monday, January 31, 2011, Ozan =C3=87a=C4=9Flayan wrote: > >> On 31.01.2011 00:48, Rafael J. Wysocki wrote: > >> > >>> Does booting with "nolapic" help on all of the affected systems? > >>> > >>> Also, does disabling the CPUidle during boot help? > >>> > >>> Finally, is the problem reproducible with CONFIG_NO_HZ unset? > >> > >> Well on two machines, nolapic cures the boot hang and on one machi= ne it > >> cures the random shutdown hangs. > >> > >> I'll compile a kernel with CONFIG_NO_HZ to see what happens but ho= w do I > >> disable cpuidle during boot? I've checked the kernel-parameters.tx= t but > >> there's no cpuidle related boot parameter there. > > > > Booting with intel_idle.max_cstate=3D0 should do the trick. >=20 > Okay but on Asus X61S idle fallbacks to cpuidle: >=20 > intel_idle: MWAIT substates: 0x3122220 > intel_idle: does not run on family 6 model 23 >=20 > so forcing max_cstate to 0 will turn off the cpuidle on those machine= s too? In those cases you can use processor.max_cstate=3D0 I think. Rafael -- 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