From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 7 Feb 2002 02:33:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 7 Feb 2002 02:33:05 -0500 Received: from racine.noos.net ([212.198.2.71]:27763 "EHLO smtp.noos.fr") by vger.kernel.org with ESMTP id ; Thu, 7 Feb 2002 02:30:46 -0500 Message-ID: <001d01c1afa8$620d7460$0201a8c0@cybercable.fr> From: "Benoit Garnier" To: Subject: [BUG] - 2.5.4-pre1 - I/O error on CD-ROM Date: Thu, 7 Feb 2002 08:23:47 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Since I first tried the 2.5.x serie (with 2.5.3), I got errors when reading from my CD-ROM : Feb 7 00:20:44 fw kernel: end_request: I/O error, dev 16:40, sector 464 Feb 7 00:20:45 fw kernel: hdd: cdrom_read_intr: data underrun (4294967256 blocks) Feb 7 00:20:45 fw kernel: end_request: I/O error, dev 16:40, sector 7948 Feb 7 00:20:45 fw kernel: hdd: cdrom_read_intr: data underrun (4294967160 blocks) Feb 7 00:20:45 fw kernel: end_request: I/O error, dev 16:40, sector 8052 Feb 7 00:20:45 fw kernel: hdd: cdrom_read_intr: data underrun (4294967224 blocks) Feb 7 00:20:45 fw kernel: end_request: I/O error, dev 16:40, sector 8116 Feb 7 00:20:45 fw kernel: hdd: cdrom_read_intr: data underrun (4294967288 blocks) Feb 7 00:20:45 fw kernel: end_request: I/O error, dev 16:40, sector 8180 Feb 7 00:20:45 fw kernel: hdd: cdrom_read_intr: data underrun (4294967256 blocks) Feb 7 00:20:45 fw kernel: end_request: I/O error, dev 16:40, sector 14916 Feb 7 00:20:45 fw kernel: hdd: cdrom_read_intr: data underrun (4294967160 blocks) Feb 7 00:20:45 fw kernel: end_request: I/O error, dev 16:40, sector 15020 *** I didn't have these errors with 2.4.17 *** My CD-ROM is a generic one (I don't have physical access to the box now, but if requested I will tell you more). When doing "cat /mnt/cdrom/* >/dev/null" I can see I/O errors reported by cat but only on the 2.5.X serie. The problem occurs on 2.5.3 and 2.5.4-pre1 (without any patch applied). I didn't tried with versions between 2.5.0 and 2.5.3. I can see this from the boot log (I compiled with the VIA VT82Cxxxx driver) : Feb 7 02:43:29 fw kernel: Uniform Multi-Platform E-IDE driver Revision: 6.32 Feb 7 02:43:29 fw kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx Feb 7 02:43:29 fw kernel: VP_IDE: IDE controller on PCI slot 00:07.1 Feb 7 02:43:29 fw kernel: VP_IDE: chipset revision 6 Feb 7 02:43:29 fw kernel: VP_IDE: not 100%% native mode: will probe irqs later Feb 7 02:43:29 fw kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx Feb 7 02:43:29 fw kernel: VP_IDE: VIA vt82c586a (rev 25) IDE UDMA33 controller on pci00:07.1 Feb 7 02:43:29 fw kernel: ide0: BM-DMA at 0x6000-0x6007, BIOS settings: hda:pio, hdb:pio Feb 7 02:43:29 fw kernel: ide1: BM-DMA at 0x6008-0x600f, BIOS settings: hdc:pio, hdd:pio Feb 7 02:43:29 fw kernel: hda: JTS Corporation CHAMPION MODEL C2000-2A, ATA DISK drive Feb 7 02:43:29 fw kernel: hdd: ATAPI 50X CDROM, ATAPI CD/DVD-ROM drive Feb 7 02:43:29 fw kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Feb 7 02:43:29 fw kernel: ide1 at 0x170-0x177,0x376 on irq 15 Feb 7 02:43:29 fw kernel: blk: queue c02e06a4, I/O limit 4095Mb (mask 0xffffffff) Feb 7 02:43:29 fw kernel: hda: 3913056 sectors (2003 MB) w/256KiB Cache, CHS=970/64/63 Feb 7 02:43:29 fw kernel: hdd: ATAPI 50X CD-ROM drive, 128kB Cache Feb 7 02:43:29 fw kernel: Uniform CD-ROM driver Revision: 3.12 [root@fw /root]# hdparm /dev/hdd /dev/hdd: HDIO_GET_MULTCOUNT failed: Invalid argument I/O support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 0 (off) keepsettings = 0 (off) HDIO_GET_NOWERR failed: Invalid argument readonly = 1 (on) readahead = 8 (on) HDIO_GETGEO_BIG failed: Invalid argument What is funny is that if I switch DMA on, the errors are not reported anymore on dmesg, but 'cat' continues to see IO errors (and eventually the IO are locked). Should I try the IDE patch? Please CC me, I'm just read the list on archives... ---- Benoît GARNIER