From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261939AbVGSJvk (ORCPT ); Tue, 19 Jul 2005 05:51:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261948AbVGSJvk (ORCPT ); Tue, 19 Jul 2005 05:51:40 -0400 Received: from mxout2.iskon.hr ([213.191.128.16]:9426 "HELO mxout2.iskon.hr") by vger.kernel.org with SMTP id S261939AbVGSJvj (ORCPT ); Tue, 19 Jul 2005 05:51:39 -0400 X-Remote-IP: 213.191.142.124 X-Remote-IP: 213.191.128.21 From: Zlatko Calusic To: ebiederm@xmission.com Cc: linux-kernel@vger.kernel.org Subject: Problems with reboot/poweroff on SMP machine Reply-To: zlatko.calusic@iskon.hr X-Face: s71Vs\G4I3mB$X2=P4h[aszUL\%"`1!YRYl[JGlC57kU-`kxADX}T/Bq)Q9.$fGh7lFNb.s i&L3xVb:q_Pr}>Eo(@kU,c:3:64cR]m@27>1tGl1):#(bs*Ip0c}N{:JGcgOXd9H'Nwm:}jLr\FZtZ pri/C@\,4lW<|jrq^<):Nk%Hp@G&F"r+n1@BoH Date: Tue, 19 Jul 2005 11:51:37 +0200 Message-ID: User-Agent: Gnus/5.110004 (No Gnus v0.4) XEmacs/21.4.17 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Eric and all! Last few weeks or so I started having problems with reboot/poweroff on my aging SMP desktop (dual PIII, Apollo Pro 266 chipset). The machine does all steps til' the very end where it stops (hangs) before the actual reboot or poweroff. The problem doesn't happen every time (but occasionally). Alt-SysRQ-B/O doesn't work at the point of hang. I did a little bit of investigation and I believe that this patch: http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=dd2a13054ffc25783a74afb5e4a0f2115e45f9cd is the primary suspect for the regression (reboots and poweroffs have been working fine for the last few years on this particular machine). But now I need expert help. :) I'm willing to help decipher this, so don't hesitate to ask for more details! I don't even know what info is useful to provide at this point (kernel is virgin 2.6.12, ACPI is compiled in, I don't use any boot time reboot= parameter, what else?). And please Cc: me 'cause I'm not on the list. Thanks for any info! -- Zlatko