Garnet Ulrich wrote:
Just a quick update. Given that the problem occurs with transfers
greater than 32768, I tried using cdrecord with the -ts=32768 parameter
to limit the largest transfer to one that wouldn't choke my LG
GSA-5120D. cdrecord 2.01 seems to be working OK this way. I blanked a
cd-rw and wrote an iso back to it successfully. I wonder if some kind
of special "driver" could be written to recognize this drive at
connection time and report back to applications (cdrecord or even kernel
dvd-ram code) that the largest supported transfer is only 32768? I
don't know who all the players are that would make this happen
(kernel/scsi/usb/usb-storage/distromakers) or if it is bad idea. I am
just concerned that I have now seemingly addressed this issue for
cdrecord but that I may run up against similar problems with other
software. For example, should I be worried that the kernel support for
using dvd-ram in this drive may also try a >32768 transfer and I won't
have a handy dandy -ts option to fix it?
Alan, I am a much happier user right now. Thank you for all your help
thus far. If you would like me to run any more tests that would be
useful to anyone, I'm very willing to do what I can.
garnet
Just to let everybody know -
Tried -ts=32768 for cdrecord 2.01 with my USB cd writer for the -atip
option (disk info) - I think I tried 32767 as well. Doesn't improve
my situation - drive still drop off usb bus with cdrecord 2.01 - I'll
need to look further, I guess, and/or come back to it one day.
(of course, with the latest development in open solaris/schilliX,
I just might try to see how the drive behaves under solaris when I can
get my hand on suitable x86 hardware...).
Hin-Tak
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