[Gllug] Making CD images

[Sean Burlington]

Richard Cottrill wrote:
> Hi,
> 
> I'm trying to create some iso files from CDs; but I'm having some problems.
> I've done a "cat /dev/scd0 > some.file.iso". This seems to work ok, I get an
> error about input or something, but I guess that's it hitting the end of the
> disc.
> 
> The problem comes a few minutes later when my machine crashes hard. It drops
> my telnet connection, and refuses to respond at the console. I'm running a
> stock SMP SuSE 7.3 machine.
> 
> On reboot I can mount the iso file as a loop back device just fine. If it
> makes any difference, the file is being created on a fat32 partition.
> 
> Any hints about basic problems in my methodology very welcome (a few discs
> to do yet). Likewise any suggestions for what's causing this crash, or how
> to investigate further.
> 
> Richard


dd if=/dev/scd0 of=cdimage
http://www.tldp.org/HOWTO/CD-Writing-HOWTO-4.html#ss4.7


doesn't give me any errors

whereas using cat or cp does give an error

why this should cause your machine to crash I don't know

Sean



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