From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933766Ab1J2SGv (ORCPT ); Sat, 29 Oct 2011 14:06:51 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:40705 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933029Ab1J2SGu (ORCPT ); Sat, 29 Oct 2011 14:06:50 -0400 Message-ID: <4EAC40B5.5060709@earnshaw.org.uk> Date: Sat, 29 Oct 2011 19:06:45 +0100 From: Matt Earnshaw User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20111001 Thunderbird/7.0.1 MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: PROBLEM: Intermittent hard locks on 3.0.7-1 without information Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [1.] 3.0.7-1 appears to cause hard locks intermittently, without information [2.] Full description: The system occasionally (approx. once or twice an hour) completely locks up, without caps-lock lights or responding to SysRq. Sounds being played loop, graphics output freezes etc. No clues are left in dmesg, or in any of the logs in /var/log. Downgrading to 3.0.6-2 resolves the issue. [4.1.] Kernel version (from /proc/version): (3.0.7-1) Linux version 3.0-ARCH (tobias@T-POWA-LX) (gcc version 4.6.1 20110819 (prerelease) (GCC) ) #1 SMP PREEMPT Wed Oct 19 10:27:51 CEST 2011 [4.2.] Kernel .config file: http://pastebin.com/XTXmUX8m [5.] Most recent kernel version which did not have the bug: 3.0.6-2 [8.1.] Software (add the output of the ver_linux script here) http://pastebin.com/qw8a9RFH [8.2.] Processor information (from /proc/cpuinfo): http://pastebin.com/AN0Df77y [8.3.] Module information (from /proc/modules): http://pastebin.com/LMThRSmg [8.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem) ioports: http://pastebin.com/R1aX4H8H iomem: http://pastebin.com/z8srsFbD [8.5.] PCI information ('lspci -vvv' as root) http://pastebin.com/GbniVsFm [8.6.] SCSI information (from /proc/scsi/scsi) Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: HITACHI HTS72323 Rev: EC2Z Type: Direct-Access ANSI SCSI revision: 05 [X.] Other notes, patches, fixes, workarounds: Refer to https://bugs.archlinux.org/task/26614 for others with what is possibly the same problem.