>From: "MacArthur, Ian (UK)" <[EMAIL PROTECTED]> >At the weekend I got an unbranded DVD writer - I was in a local electronics shop, it >was on offer very cheap. I have *a lot* of data to archive, and it seems like a >bargain... >Claims to support + and - RW writing. >(The retail box is marked PIKA ONE, but the drive itself is unbranded.)
>Installed the latest cdrtools from source. It's what I know, so it seemed sensible to >stick with it, it's always worked well before... >Installed in place of my CD burner, burned some test CD's with cdrecord, all worked >fine. >Installed Ogle and checked I could watch DVD's smoothly - worked fine. >Installed cdrecord-ProDVD test binary. >A test run -dummy went smoothly, but the actual burn failed (see sample failure >below). >This is with Verbatim 4x DVD-R media, in case that matters. >Fiddled about with hdparm in case my DMA settings were a problem, no better. >Tests with dvdrecord fail in exactly the same fashion (and again the dummy run is >good.) >(coaster count now at 4 and rising...) >However, tests with dvd+rw-tools (my 3rd scheme...!) have all worked perfectly, both >with DVD-R and DVD+RW media, so I guess that basic drive is OK. >At least, I can read the disks it's written back on my Mac, so I guess that's OK! >Is it likely something in my setup that's upsetting the cdrecord derived tools? >How do I pin this down and fix it? >Base system is linux, with a 2.4.16 kernel, latest cdrtools tarball... what else do >we need to know? >TIA for input. >Current Secsize: 2048 >Blocks total: 2298496 Blocks current: 2298496 Blocks remaining: 2021072 >Starting to write CD/DVD at speed 1 in real TAO mode for single session. >Last chance to quit, starting real write 0 seconds. Operation starts. >Waiting for reader process to fill input buffer ... input buffer ready. >BURN-Free is OFF. >Starting new track at sector: 0 >Track 01: 0 of 541 MB written./home/ian/src/cdrecord-prodvd-2.01a12-i586-pc: >Input/outp >ut error. write_g1: scsi sendcmd: no error >CDB: 2A 00 00 00 01 F0 00 00 1F 00 >status: 0x2 (CHECK CONDITION) >Sense Bytes: 71 00 03 00 00 00 00 0A 00 00 00 00 0C 00 00 00 >Sense Key: 0x3 Medium Error, deferred error, Segment 0 >Sense Code: 0x0C Qual 0x00 (write error) Fru 0x0 >Sense flags: Blk 0 (not valid) >cmd finished after 50.404s timeout 100s As this happens after 1 MB (<= than the RAM size) it may be a buffer underrun. Check transfer speeds..... It however looks like the drives does not like the medium. Call cdrecord -atip Jörg -- EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin [EMAIL PROTECTED] (uni) If you don't have iso-8859-1 [EMAIL PROTECTED] (work) chars I am J"org Schilling URL: http://www.fokus.fraunhofer.de/usr/schilling ftp://ftp.berlios.de/pub/schily -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]