From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751488Ab1KMHzE (ORCPT ); Sun, 13 Nov 2011 02:55:04 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:65111 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750910Ab1KMHzC convert rfc822-to-8bit (ORCPT ); Sun, 13 Nov 2011 02:55:02 -0500 From: Arkadiusz =?utf-8?q?Mi=C5=9Bkiewicz?= To: Len Brown Subject: Re: intel_idle causing 3.0.8 system reboot (was: if nolapic not used then system reboots after loading first module (possibly first irq using module)) Date: Sun, 13 Nov 2011 08:54:55 +0100 User-Agent: KMail/1.13.7 (Linux/3.2.0-rc1-00252-g8f042aa-dirty; KDE/4.7.3; x86_64; ; ) Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Suresh Siddha References: <201110272327.14891.a.miskiewicz@gmail.com> <201110281954.39191.a.miskiewicz@gmail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Message-Id: <201111130854.56201.a.miskiewicz@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday 13 of November 2011, Len Brown wrote: > > intel_idle.max_cstate=2 also makes the problem go away. > > Is the system running with BIOS SETUP defaults? Tried also with "safe defaults (F8)" but that didn't help. > Are there any BIOS SETUP options related to CPU idle states? Yes, there are "C state package limit setting" with values possible: Auto, C1, C3, C6, C7 (set to "Auto" here) "Intel EIST technology" -> Enabled "C1E support" -> Enabled "Intel C-STATE tech" -> Enabled "C1 Auto Demotion" -> Enabled "C3 Auto Demotion" -> Enabled > please boot with intel_idle.max_cstate=0 > and send the output of these two commands: > > dmesg |grep idle > grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* [root@berta ~]# dmesg |grep idle [ 0.000000] Command line: auto BOOT_IMAGE=pld3.0.8test ro root=812 console=tty0 console=ttyS2,38400n81 panic=60 selinux=0 intel_idle.max_cstate=0 [ 0.000000] Kernel command line: auto BOOT_IMAGE=pld3.0.8test ro root=812 console=tty0 console=ttyS2,38400n81 panic=60 selinux=0 intel_idle.max_cstate=0 [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled. [ 0.278494] using mwait in idle threads. [ 4.330321] intel_idle: disabled [ 5.794456] cpuidle: using governor ladder [ 5.806755] cpuidle: using governor menu [root@berta ~]# LC_ALL=C grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* grep: /sys/devices/system/cpu/cpu0/cpuidle/*/*: No such file or directory There are only: [root@berta ~]# LC_ALL=C grep . /sys/devices/system/cpu/cpuidle/* /sys/devices/system/cpu/cpuidle/current_driver:none /sys/devices/system/cpu/cpuidle/current_governor_ro:menu > > thanks, > Len Brown, Intel Open Source Technology Center > > >> # cat /proc/cpuinfo > >> processor : 0 > >> vendor_id : GenuineIntel > >> cpu family : 6 > >> model : 30 > >> model name : Intel(R) Xeon(R) CPU X3430 @ 2.40GHz > >> stepping : 5 -- Arkadiusz Miśkiewicz PLD/Linux Team arekm / maven.pl http://ftp.pld-linux.org/