Can't burn FC CDs

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ÿþPerennial problems here folks...

For the benefit of anyone unfamiliar with the Red Hat/Fedora
installation process, the first step is to allow it to test the disk
integrity. For FC3 I could burn only CD1 successfully; the other 3
failed the media test so I basically skipped it. With FC4 I've tried
burning only CD1 twice and both times it failed. I can't figure out
what's wrong. I've wasted near a half pack of CD-Rs on 3 and 4 so far!

The most recent take on the cdrecord command is:

cdrecord -v speed=16 dev=ATA:1,0,0 -data FC4-i386-disc1.iso

I stuck in the speed=16 after the failure of the identical command
without a speed option; buffer underrun is not the problem (buffer and
FIFO never less than 98%) but my disks are kind of old so I thought
I'd try it. They're in the original pack and consequently pristinely
clean so it's not dirty disks. Leaving out the ATA: fails (cdrecord
gives an rc of 255 saying it can't open the device) though I don't
understand some of the -scanbus output:

Cdrecord-Clone 2.01-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
Note: This version is an unofficial (modified) version with DVD support
Note: and therefore may have bugs that are not present in the original.
Note: Please send bug reports or support requests to http://bugzilla.redhat.com/bugzilla
Note: The author of cdrecord should not be bothered with problems in this version.
scsidev: 'ATA'
devname: 'ATA'
scsibus: -2 target: -2 lun: -2
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
cdrecord: Warning: using inofficial libscg transport code version (schily - Red Hat-scsi-linux-sg.c-1.83-RH '@(#)scsi-linux-sg.c   1
.83 04/05/20 Copyright 1997 J. Schilling').
scsibus1:
        1,0,0   100) 'HL-DT-ST' 'RW/DVD GCC-4481B' 'E106' Removable CD-ROM
        1,1,0   101) *
        1,2,0   102) *
        1,3,0   103) *
        1,4,0   104) *
        1,5,0   105) *
        1,6,0   106) *
        1,7,0   107) *

I did check the md5sums of the downloaded files and they're good, so
the problem is in the burning. I remember someone somewhere saying
they liked cdrdao but so far I haven't figured out how to tell it what
an ISO image is...

Thanks very much for any info; I'll follow up as soon as I quit
hurling invective at our very advanced system that's the best possible
for a blind person!!!!! :-(

-- 

Lee Maschmeyer
<lee_Maschmeyer@wayne.edu>

"Never imagine yourself not to be otherwise than what it might appear
to others that what you were or might have been was not otherwise than
what you had been would have appeared to them to be otherwise."
     --Lewis Carroll


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