From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262599AbVCPObl (ORCPT ); Wed, 16 Mar 2005 09:31:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262602AbVCPObl (ORCPT ); Wed, 16 Mar 2005 09:31:41 -0500 Received: from colino.net ([213.41.131.56]:36850 "EHLO paperstreet.colino.net") by vger.kernel.org with ESMTP id S262599AbVCPObZ (ORCPT ); Wed, 16 Mar 2005 09:31:25 -0500 Date: Wed, 16 Mar 2005 15:31:14 +0100 From: Colin Leroy To: linux-kernel@vger.kernel.org Cc: debian-powerpc@lists.debian.org Subject: `dd` problem from cdrom Message-ID: <20050316153114.374e095b@jack.colino.net> X-Mailer: Sylpheed-Claws 1.0.1cvs22.2 (GTK+ 2.6.1; powerpc-unknown-linux-gnu) X-Face: Fy:*XpRna1/tz}cJ@O'0^:qYs:8b[Rg`*8,+o^[fI?<%5LeB,Xz8ZJK[r7V0hBs8G)*&C+XA0qHoR=LoTohe@7X5K$A-@cN6n~~J/]+{[)E4h'lK$13WQf$.R+Pi;E09tk&{t|;~dakRD%CLHrk6m!?gA,5|Sb=fJ=>[9#n1Bu8?VngkVM4{'^'V_qgdA.8yn3) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Using 2.6.10 and 2.6.11, trying to use dd from the ide cdrom in my Ibook G4 fails like this: [colin@jack /usr/src/linux-2.6.10]$ dd if=/dev/hdc of=/dev/null dd: reading `/dev/hdc': Input/output error 0+0 records in 0+0 records out [colin@jack /usr/src/linux-2.6.10]$ dmesg hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 8 Buffer I/O error on device hdc, logical block 1 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 16 Buffer I/O error on device hdc, logical block 2 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 24 Buffer I/O error on device hdc, logical block 3 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 32 Buffer I/O error on device hdc, logical block 4 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 40 Buffer I/O error on device hdc, logical block 5 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 48 Buffer I/O error on device hdc, logical block 6 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 56 Buffer I/O error on device hdc, logical block 7 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ide: failed opcode was: unknown end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 [colin@jack /usr/src/linux-2.6.10]$ hdparm /dev/hdc /dev/hdc: HDIO_GET_MULTCOUNT failed: Invalid argument IO_support = 0 (default 16-bit) unmaskirq = 1 (on) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) HDIO_GETGEO failed: Invalid argument I didn't try older kernels yet; Any idea about this? Is it a kernel bug or a configuration issue? -- Colin