Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945959AbWBOPHP (ORCPT ); Wed, 15 Feb 2006 10:07:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1945962AbWBOPHO (ORCPT ); Wed, 15 Feb 2006 10:07:14 -0500 Received: from keetweej.xs4all.nl ([213.84.46.114]:40165 "EHLO keetweej.vanheusden.com") by vger.kernel.org with ESMTP id S1945959AbWBOPHM (ORCPT ); Wed, 15 Feb 2006 10:07:12 -0500 Date: Wed, 15 Feb 2006 16:07:10 +0100 From: Folkert van Heusden To: Lee Revell Cc: Charles-Edouard Ruault , linux-kernel@vger.kernel.org Subject: Re: [BUG] kernel 2.6.15.4: soft lockup detected on CPU#0! Message-ID: <20060215150710.GN30182@vanheusden.com> References: <43EF8388.10202@ruault.com> <20060214114102.GC20975@vanheusden.com> <1139934749.11659.97.camel@mindpipe> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1139934749.11659.97.camel@mindpipe> Organization: www.unixexpert.nl X-Chameleon-Return-To: folkert@vanheusden.com X-Xfmail-Return-To: folkert@vanheusden.com X-Phonenumber: +31-6-41278122 X-URL: http://www.vanheusden.com/ X-PGP-KeyID: 1F28D8AE X-GPG-fingerprint: AC89 09CE 41F2 00B4 FCF2 B174 3019 0E8C 1F28 D8AE X-Key: http://pgp.surfnet.nl:11371/pks/lookup?op=get&search=0x1F28D8AE Read-Receipt-To: Reply-By: Thu Feb 16 09:55:03 CET 2006 X-Message-Flag: www.unixexpert.nl User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1751 Lines: 49 > > I've got the same soft lockups, not while cdrom access but when sa-learn > > runs (from spamassassin): > Why is DMA disabled for your IDE disks? root@muur:/var/www/htdocs# hdparm -i /dev/hda /dev/hda: Model=QUANTUM FIREBALLP AS20.5, FwRev=A2R.0600, SerialNo=692124031358 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } RawCHS=16383/16/63, TrkSize=32256, SectSize=21298, ECCbytes=4 BuffType=DualPortCache, BuffSize=1902kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=40132503 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=no WriteCache=enabled Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1: * signifies the current active mode On the other hand: root@muur:/var/www/htdocs# hdparm -d /dev/hda /dev/hda: using_dma = 0 (off) That is puzzling me as I explicitly swith that on in the startupscripts: 0 root@muur:/var/www/htdocs# grep hdparm /etc/rc.d/* /etc/rc.d/rc.local:/usr/sbin/hdparm -c 3 -d 1 -X 69 -u 1 /dev/hda & So it seems it switches back to pio somewhere in time. But on the other hand: shouldn't pio run ok as well without softlockup errors? Folkert van Heusden -- www.biglumber.com <- site where one can exchange PGP key signatures ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com - 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/