From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262746AbTL2DjU (ORCPT ); Sun, 28 Dec 2003 22:39:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262747AbTL2DjU (ORCPT ); Sun, 28 Dec 2003 22:39:20 -0500 Received: from astound-64-85-224-253.ca.astound.net ([64.85.224.253]:43013 "EHLO master.linux-ide.org") by vger.kernel.org with ESMTP id S262746AbTL2DjS (ORCPT ); Sun, 28 Dec 2003 22:39:18 -0500 Date: Sun, 28 Dec 2003 19:37:37 -0800 (PST) From: Andre Hedrick To: akmiller@nzol.net cc: linux-kernel@vger.kernel.org Subject: Re: ide: "lost interrupt" with 2.6.0 In-Reply-To: <1072657930.3fef760a50062@webmail.nzol.net> Message-ID: 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 Accusys is a stolen technology from Dupli-Disk, there are law suits pending the last time I heard. If it was based on the original firmware of the Dupli-Disk, it has totally wrong state machines for executing hdparm style callers. I know the FSM's are wrong because I fixed them for Dupli-Disk. How they operate, I can not disclose. But Accusys can not handle correct settings for FSM to Taskfile. Cheers, Andre Hedrick LAD Storage Consulting Group On Mon, 29 Dec 2003 akmiller@nzol.net wrote: > I am seeing "lost interrupt" during kernel init, immediately after the drive is > probed. > > The system boots under 2.2.x, using the kernel supplied with the current stable > Debian release. I have not yet tried it with 2.4.x(I had to transfer 2.6.x as > split on floppies as the network device won't work with 2.2.x). > > Data is copied by hand from the monitor, so accuracy not guaranteed(but I think > its correct)... > > Relevant lspci line, after booting under 2.2.x... > 00:1f.1 IDE interface: Intel Corp. 82820 820 (Camino 2) Chipset IDE U100 (rev > 05) > > We have had problems with these devices(ACS7500, a transparent IDE RAID > controller from Accusys) on other boards where the BIOS wouldn't boot them, so > they may be doing something weird with the standards. The BIOS on this board > can allow the system to boot correctly off this device. > > Relevant part of the output on bootup... > hda: Accusys ACS7500 C5VL, ATA DISK drive > ide0 at 0x1f0-0x1f7, 0x3f6 on irq 14 > hdc: LG CD-ROM CRD-8522B, ATAPI CD/DVD-ROM drive > ide1 at 0x170-0x177,0x376 on irq 15 > hda: 234441648 sectors(120034 MB) w/2048 KiB Cache, CHS=16383/255/63 > hda:<4>hda: lost interrupt > lost interrupt > lost interrupt > (continues forever) > > I have tried (without success) enabling all workarounds in the kernel config, > disabling APIC(noapic on command line, this is a single P4), disconnecting the > CDROM from the secondary IDE, swapping the disk onto the secondary IDE, > disabling DMA-by-default in the kernel config, disabling DMA in the BIOS setup, > setting the PIO mode in the BIOS setup to 0, and trying the old driver on the > primary interface(which failed because the device has too many cylinders). > > Has anyone else seen this sort of problem? (Sorry if this is a known issue, I > couldn't find anything that seemed to be the same in the archives). Has anyone > got an ACS7500 running under 2.6.0, or 2.4.x for any recent kernel? > > If you anyone needs any more info I should be able to get it, but remember I > can't actually boot into 2.6.0 only the 2.2.x kernel. > -- > Yours sincerely, > Andrew > > > ------------------------------------------------- > This mail sent through NZOL Webmail: http://webmail.nzol.net/ > > - > 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/ >