Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751368AbWBPCwb (ORCPT ); Wed, 15 Feb 2006 21:52:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751369AbWBPCwb (ORCPT ); Wed, 15 Feb 2006 21:52:31 -0500 Received: from smtp.osdl.org ([65.172.181.4]:51340 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1751368AbWBPCwb (ORCPT ); Wed, 15 Feb 2006 21:52:31 -0500 Date: Wed, 15 Feb 2006 18:51:20 -0800 From: Andrew Morton To: Charles-Edouard Ruault Cc: linux-kernel@vger.kernel.org Subject: Re: [BUG] kernel 2.6.15.4: soft lockup detected on CPU#0! Message-Id: <20060215185120.6c35eca2.akpm@osdl.org> In-Reply-To: <43EF8388.10202@ruault.com> References: <43EF8388.10202@ruault.com> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1591 Lines: 44 Charles-Edouard Ruault wrote: > > i was trying to rip a CD when the whole machine started to freeze > periodicaly, i then looked at the logs and found the following : > > Feb 12 19:23:39 ruault kernel: hdc: irq timeout: status=0x80 { Busy } > Feb 12 19:23:39 ruault kernel: ide: failed opcode was: unknown > Feb 12 19:23:39 ruault kernel: hdd: status timeout: status=0x80 { Busy } > Feb 12 19:23:39 ruault kernel: ide: failed opcode was: unknown > Feb 12 19:23:39 ruault kernel: hdd: drive not ready for command No idea what caused that. > Feb 12 19:23:39 ruault kernel: BUG: soft lockup detected on CPU#0! The following was merged today. Hopefully it suppresses this false positive. --- devel/drivers/ide/ide-taskfile.c~ide-touch-softlockup-detector-during-pio 2006-02-15 14:57:05.000000000 -0800 +++ devel-akpm/drivers/ide/ide-taskfile.c 2006-02-15 14:57:05.000000000 -0800 @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include @@ -314,6 +315,8 @@ static void ide_pio_datablock(ide_drive_ if (rq->bio) /* fs request */ rq->errors = 0; + touch_softlockup_watchdog(); + switch (drive->hwif->data_phase) { case TASKFILE_MULTI_IN: case TASKFILE_MULTI_OUT: _ - 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/