From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265499AbTFMTew (ORCPT ); Fri, 13 Jun 2003 15:34:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265500AbTFMTew (ORCPT ); Fri, 13 Jun 2003 15:34:52 -0400 Received: from twilight.ucw.cz ([81.30.235.3]:55447 "EHLO twilight.ucw.cz") by vger.kernel.org with ESMTP id S265499AbTFMTev (ORCPT ); Fri, 13 Jun 2003 15:34:51 -0400 Date: Fri, 13 Jun 2003 21:48:32 +0200 From: Vojtech Pavlik To: Michael Frank Cc: linux-kernel@vger.kernel.org Subject: Re: 2.4.21-rc7 hang on boot after spurious 8259A interrupt: IRQ15. Message-ID: <20030613214832.A6366@ucw.cz> References: <200306130958.39707.mflt1@micrologica.com.hk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200306130958.39707.mflt1@micrologica.com.hk>; from mflt1@micrologica.com.hk on Fri, Jun 13, 2003 at 11:36:36AM +0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 13, 2003 at 11:36:36AM +0800, Michael Frank wrote: > Doing swsusp testing in endless loop. On a P4/2.4G (ACPI=off) > on 192nd boot: > > spurious 8259A interrupt: IRQ15. > Calibrating delay loop... It looks like the IDE code didn't put the controller into sleep properly. > hang > > Hit Reset and it rebooted OK > > This is the first spurious 8259A interrupt: IRQ15 seen. > > I see spurious 8259A interrupt: IRQ7 quite frequently on > varying hardware on both 2.4 and 2.5. > > By design, the 8259A delivers a vector 7 when the IRQ > line is deasserted before the IRQ is serviced. This > applies to both edge and level trigger modes. A floating > "wire" or crapy chipset can pickup noise, but the driver > should handle it. > > No problems seen with mainboard/cpu/ram in three months. > I dont' think it is HW, but it could be. > > Also, spurious 8259A interrupts are quite recent, could > something be wrong with recent 8259A driver? > > Regards > Michael > > I am not subscribed, pls cc me > > -- > Powered by linux-2.5.70-mm3, compiled with gcc-2.95-3 > > My current linux related activities in rough order of priority: > - Testing of 2.4/2.5 kernel interactivity > - Testing of Swsusp for 2.4 > - Testing of Opera 7.11 emphasizing interactivity > - Research of NFS i/o errors during transfer 2.4>2.5 > - Learning 2.5 series kernel debugging with kgdb - it's in the -mm tree > - Studying 2.5 series serial and ide drivers, ACPI, S3 > * Input and feedback is always welcome * > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Vojtech Pavlik SuSE Labs, SuSE CR