Re: Odd message from cdrecord
Bill Davidsen <davidsen@tmr.com> wrote:
> Joerg Schilling wrote:
> > Bill Davidsen <davidsen@tmr.com> wrote:
> >
> >
> >> cdrecord 2.01.01a35 (built from source), USB attached "litescribe"
> >> drive, TDK 16x DVD-R media. Recording is refused with a message
> >> DMA speed too slow (OK for 6x). Cannot write at speed 16x.
> >> Since growisofs writes at 12x just fine (9.8x overall, 12x outer tracks)
> >> clearly there is an issue of some kind with deciding which speed to use,
> >> and speeds of >6x as working.
> >>
> >
> > Just follow the instructions in the error message.....
> >
>
> Since other software is able to write at higher speed than 6X I'll just
> use the fastest program available. I thought you might be interested in
star is the fastest program... you are missinterpreting messages
> why it underestimates the DMA capabilities by at least 2x, I wasn't
> looking for hints on how to make burning take twice as long by running
> at a lower speed. With a disk plugged into that port I can get sustained
> write of 43MB/s, so it would appear that the hardware is capable of 16x
> operation and something is making cdrecord believe otherwise.
I cannot help if your DVD drive is slow or has other deficits that make the
DMA speed test reporting too low numbers. This is not a cdrecord problem
but a problem of your hardware or your OS.
Jörg
--
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
js@cs.tu-berlin.de (uni)
schilling@fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily
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