From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265056AbTLCQlt (ORCPT ); Wed, 3 Dec 2003 11:41:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265063AbTLCQlt (ORCPT ); Wed, 3 Dec 2003 11:41:49 -0500 Received: from haybaler.sackheads.org ([205.158.174.201]:47630 "EHLO haybaler.sackheads.org") by vger.kernel.org with ESMTP id S265056AbTLCQlr (ORCPT ); Wed, 3 Dec 2003 11:41:47 -0500 Date: Wed, 3 Dec 2003 11:41:46 -0500 From: Jimmie Mayfield To: linux-kernel@vger.kernel.org Subject: 2.4.23 : timeouts and lost interrupts using IDE-SCSI Message-ID: <20031203164146.GA81344@sackheads.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Since upgrading from 2.4.20 to 2.4.23, I can no longer mount my ATAPI CDROM and CDR/W drives using IDE-SCSI. Attempts to mount those drives result in lost interrupts messages: Dec 3 08:21:10 kaon kernel: scsi : aborting command due to timeout : pid 2114, scs i2, channel 0, id 0, lun 0 Read (10) 00 00 00 00 10 00 00 01 00 Dec 3 08:21:10 kaon kernel: hdc: DMA interrupt recovery Dec 3 08:21:10 kaon kernel: hdc: lost interrupt Kernel is able to successfully probe for and identify these devices, however: Dec 3 08:20:40 kaon kernel: hdc: attached ide-scsi driver. Dec 3 08:20:41 kaon kernel: hdd: attached ide-scsi driver. Dec 3 08:20:41 kaon kernel: scsi2 : SCSI host adapter emulation for IDE ATAPI devi ces Dec 3 08:20:41 kaon kernel: Vendor: HITACHI Model: CDR-8430 Rev: 0024 Dec 3 08:20:41 kaon kernel: Type: CD-ROM ANSI SCSI revision: 02 Dec 3 08:20:41 kaon kernel: Vendor: Model: CD-R/RW RW7060A Rev: 1.50 Dec 3 08:20:41 kaon kernel: Type: CD-ROM ANSI SCSI revision: 02 Dec 3 08:20:41 kaon kernel: Attached scsi CD-ROM sr0 at scsi2, channel 0, id 0, lu n 0 Dec 3 08:20:41 kaon kernel: Attached scsi CD-ROM sr1 at scsi2, channel 0, id 1, lu n 0 Dec 3 08:20:41 kaon kernel: sr0: scsi3-mmc drive: 14x/32x cd/rw xa/form2 cdda tray Dec 3 08:20:41 kaon kernel: Uniform CD-ROM driver Revision: 3.12 Dec 3 08:20:41 kaon kernel: sr1: scsi3-mmc drive: 24x/24x writer cd/rw xa/form2 cd da tray I can revert back to 2.4.20 and the drives are mountable once again so I do not believe it's a hardware failure. Similarly, I can build 2.4.23 with IDE CDROM support instead of relying on SCSI emulation and things work (though I suspect not having SCSI emulation enabled will cause problems when burning CDs). System specs: IBM Intellistation MPro SMP P2-400 (2 CPUs) 440BX chipset ACPI automatically disabled "because your bios is from 98 and too old" CDROM as hdc, CDR/W as hdd both these devices are attached to the onboard PIIX4 controller kernels compiled with gcc 2.95.3 Jimmie -- Jimmie Mayfield http://www.sackheads.org/mayfield email: mayfield+kernel@sackheads.org My mail provider does not welcome UCE -- http://www.sackheads.org/uce