Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 21 Mar 2001 09:21:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 21 Mar 2001 09:21:12 -0500 Received: from agnus.shiny.it ([194.20.232.6]:63242 "EHLO agnus.shiny.it") by vger.kernel.org with ESMTP id ; Wed, 21 Mar 2001 09:20:58 -0500 Message-ID: X-Mailer: XFMail 1.3 [p0] on Linux X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20010320225845.A5763@suse.de> Date: Wed, 21 Mar 2001 15:19:22 +0100 (CET) From: Giuliano Pochini To: Olaf Hering Subject: RE: 2.4.2 freezes with bad ISOs in IDE cdroms Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.linuxppc.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 20-Mar-01 Olaf Hering wrote: > Hi, > > this is a bogus bugreport. > > The 2.4.2 kernel freezes on some machines here when I try to access (or > mount) a bad self burned ISO image, in this case the boot CD with the > install system. > > There are different case: > > I have an iBook and a blue&white G3. The G3 has a cmd646 controller. It > freezes when it tries to access the CD. No output. > "ide0=nodma ide2=nodma" doesnt lead to a freeze, but endless error messages. > The installer starts after a while, so it can mount the inst-sys, but it > doest get very far (no output). > > Uniform Multi-Platform E-IDE driver Revision: 6.31 > ide: Assuming 33MHz system bus speed for PIO modes; override with > idebus=xx > CMD646: IDE controller on PCI bus 01 dev 08 > CMD646: chipset revision 7 > CMD646: chipset revision 0x07, UltraDMA Capable > CMD646: 100% native mode on irq 26 > ide0: BM-DMA at 0x1800-0x1807, BIOS settings: hda:pio, hdb:pio > ide1: BM-DMA at 0x1808-0x180f, BIOS settings: hdc:pio, hdd:pio > pmac_ide: enabling IDE bus ID 0 > hda: Maxtor 90648D3, ATA DISK drive > ide: Assuming 33MHz system bus speed for PIO modes; override with > idebus=xx > hde: MATSHITADVD-ROM SR-8583, ATAPI CD/DVD-ROM drive > ide0 at 0x1840-0x1847,0x1832 on irq 26 > ide2 at 0xc8544000-0xc8544007,0xc8544160 on irq 13 > hda: 12656448 sectors (6480 MB) w/512KiB Cache, CHS=12556/16/63, > UDMA(33) > hde: Enabling MultiWord DMA 2 > hde: ATAPI 32X DVD-ROM drive, 512kB Cache, DMA > Uniform CD-ROM driver Revision: 3.12 > Partition check: > hda: [mac] hda1 hda2 hda3 hda4 hda5 hda6 hda7 hda8 hda9 hda10 > > > Today I got another report on a G4/500. It just freezes when it access a > package on a bad block. Skipping the rpm package were it freezes solves that. > > I tried the same ISOs on a SCSI cdrom to verify the MD5SUMS, no crash, > just read errors in dmesg. The controller is a "Symbios Logic Inc. > (formerly NCR) 53c875 (rev 04)". > > However, my machine at home locks the SCSI bus in sometimes. It has a > mesh SCSI controller, The last message in the syslog is that: > Device not ready. Make sure there is a disc in the drive > I still can switch consoles, but the hard drive is not accessible > anymore. > (this part of the bugreport is maybe not related to the lockups). > > > Any ideas where to start here? This happens on my blue G3 with 2.2.x too. I think it's a bug in the IDE driver. My old 7300 (mesh) with a SCSI cd just reported a read error on the same disk. Bye. Giuliano Pochini ->)|(<- Shiny Network {AS6665} ->)|(<- - 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/