From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261898AbULVIkq (ORCPT ); Wed, 22 Dec 2004 03:40:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261907AbULVIkp (ORCPT ); Wed, 22 Dec 2004 03:40:45 -0500 Received: from webmail1.spymac.net ([195.225.149.201]:31660 "EHLO webmail1.spymac.net") by vger.kernel.org with ESMTP id S261898AbULVIkX (ORCPT ); Wed, 22 Dec 2004 03:40:23 -0500 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: binary Mime-Version: 1.0 From: surya To: Norbert van Nobelen Subject: Re: DVD-RW writes but doesn't read Reply-To: surya_prabhakar@spymac.com X-Mailer: AtMail 4.02 X-Origin: 82.3.32.74 Cc: Con Kolivas , linux-kernel@vger.kernel.org X-Uidl: 110370481982764011 Date: Wed, 22 Dec 2004 01:40:19 -0700 Message-Id: <20041222084022.4CD2B4C079@webmail1.spymac.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Even I had the same problem - It wasnt reading the written dvd-r/rw .But then Once I tried closing the session after a burn(not closing disk) . Then it started to show up the files .This is on 2.6.9 . But now the dvd drive stopped reading cd's anymore ;-( -surya Norbert van Nobelen wrote: >Did you try one of the disks you have written with it in another dvdplayer >yet? > >If the written dvds really work, then it is clearly a miracle (-:. The first >thing the drive does, is a read action to see if it has an empty disc or >something like multisession. If the drive reading is so terrible, that action >should fail most of the time too. > > >On Wednesday 22 December 2004 00:33, you wrote: > >>Hi Jens et al >> >>I have a laptop DVD-RW that is working fine when burning but has endless >>streams of errors with any kernel I try when trying to read anything >>(cd/dvd audio/video/data). >> >>hdc: command error: status=0x51 { DriveReady SeekComplete Error } >>hdc: command error: error=0x50 >>ide: failed opcode was 100 >>end_request: I/O error, dev hdc, sector 571832 >>Buffer I/O error on device hdc, logical block 71479 >> >>If I'm persistent I can read the data off the drive but I'll probably >>kill the drive in the process. It doesn't matter what iosched I use but I >>use cfq by default. I've tried disabling dma and so on without success. Any >>ideas? >> >>Con >> >> >>Here is some relevant data >> >>lspci -vvv >> >>00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA >>Storage Controller (rev 03) (prog-if 8a [Master SecP PriP]) >> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- >>Stepping- SERR- FastB2B- >> Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- >>SERR- > Latency: 0 >> Interrupt: pin A routed to IRQ 10 >> Region 0: I/O ports at >> Region 1: I/O ports at >> Region 2: I/O ports at >> Region 3: I/O ports at >> Region 4: I/O ports at 1100 [size=16] >> Region 5: Memory at 3e000000 (32-bit, non-prefetchable) [size=1K] >> >> >>hdparm -i /dev/hdc >> >>/dev/hdc: >> >> Model=MATSHITADVD-RAM UJ-820S, FwRev=1.00, SerialNo= >> Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic } >> RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0 >> BuffType=unknown, BuffSize=0kB, MaxMultSect=0 >> (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 >> IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} >> PIO modes: pio0 pio1 pio2 pio3 pio4 >> DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 >> UDMA modes: udma0 udma1 *udma2 >> AdvancedPM=no >> Drive conforms to: device does not report version: >> >> * signifies the current active mode >> >> >>- >>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/ > >- >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/ > > >