From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946079AbXBBVeP (ORCPT ); Fri, 2 Feb 2007 16:34:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946097AbXBBVeP (ORCPT ); Fri, 2 Feb 2007 16:34:15 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:49412 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1946079AbXBBVeO (ORCPT ); Fri, 2 Feb 2007 16:34:14 -0500 Date: Fri, 2 Feb 2007 22:13:40 +0100 From: Pavel Machek To: Leo Yuriev Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.19 + VIA EPIA = very mysterious RESET-problem :( Message-ID: <20070202211340.GA4737@elf.ucw.cz> References: <1833199799.20070129203818@hanoi.cronyx.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1833199799.20070129203818@hanoi.cronyx.ru> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > I have a really big trouble with VIA-EPIA mainboards under Linux > 2.6.19. After loading kernel Linux the RESET-circuit ceases to work > correctly. > > At reset (by RESET-button or by Watchdog) the system begins to be > restarted, but hangs before occurrence of any BIOS-messages. Only a > power-off and then power-up can help. The problem has been reproduced > confidently and constantly, I has checked up about 20 mainboards (EPIA- > EN/C7 and EPIA-PD/C3). > > I am sure, this is not a Linux-related problem, but error in hardware > design or BIOS-code. Because RESET-circuit must work always and be > independent from a running software. BIOS/hw problem. > VIA's support doesn't give any usable response. But now I just need > some workaround... > > Does somebody has ideas? > I can make some tests or perform deep-debugging, but currently I don't > know where I could start from. Try disabling acpi, apic, and/or try repeating it with minimum drivers. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html