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Re: Can't use kb3 to copy cd's.

On Thursday 04 November 2004 16:09, Damon Chesser wrote:
> I have two devices: hdc > cd writer, hdd > cd reader.  I can play audio
> cd's from hdd, I can mount cd's with mp3's and play them.  I can burn
> ISO's on hdc or make data cd's with hdc using k3b.  I never or almost
> never copy a cd.  When I tried copying a cd from hdd to hdc via k3b, k3b
> reports the cd is empty medium.  Different cd's, different types of
> data.  Correct devices set up in k3b, using generic-mmc for cdrdao
> driver for the burner and the reader.  Problem pursists as root or
> user.  What am I missing?  I have R&R'd the reader with a different
> reader, same problem.  If you need more info, please ask, I have tried
> to provide as much as needed.
> --
> Damon L. Chesser
> damon@damtek.com

You might want to rearrange your hardware after reading about the -immed 
option in the cdrecord man page:
-immed Tell cdrecord to set the SCSI IMMED flag  in  certain  commands  
(load/eject/blank/close_track/close_session).   This  can  be  useful on 
broken systems with ATAPI harddisk and CD/DVD writer on the same bus or 
with SCSI systems that don't use disconnect/reconnect.  These systems will 
freeze while blanking or  fixating  a  CD/DVD  or  while  a DVD writer is 
filling up a session to the minimum amount (approx. 800 MB).
              Setting the -immed flag will request the command to return 
immediately while the  operation  proceeds in the background,  making  the  
bus  usable  for  the other devices and avoiding the system freeze.  This 
is an experimental feature which may work or not, depending on the model of 
the CD/DVD writer.  A correct solution would be to set up a correct cabling 
but there seem to be notebooks around that have been set up the wrong way 
by the manufacturer.  As it is impossible to fix this problem in notebooks, 
the  -immed  option has been added.
              A  second  experimental  feature  of the -immed flag is to 
tell cdrecord to try to wait short times while writing to the media. This 
is expected to free the IDE bus if the CD/DVD writer and the data  source  
are connected  to  the  same IDE cable. In this case, the CD/DVD writer 
would otherwise usually block the IDE bus for nearly all the time making it 
impossible to fetch data from the source drive.  See  also  minbuf= and -v 

              Use  both  features at your own risk.  If it turns out that it 
would make sense to have a separate option for the wait feature, write to 
the author and convince him.

Hope that helps,
Justin Guerin

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