Joerg Schilling schrieb am 2006-01-29:
> Bartlomiej Zolnierkiewicz <[email protected]> wrote:
>
> > I address this to everybody not only to Joerg:
> >
> > [*] As this is my thread now discussing SG_IO on /dev/hd* vs /dev/sg*
> > is BANNED. Please continue discussing this in the old thread. :-)
>
> If we also bann discussions that try to claim cdrecord -scanbus is
> unneeded or unwanted, no problem.
The real issue is that the Linux kernel support for -scanbus looks
different than your blueprints. Looks as though the most promising
approach is to tell libscg about it, as annoying though it may be.
> Well it is obvious that the numbers are present inside Linux, otherwise
> Linux could not return useful numbers in case that ide-scsi is used.
> Note that we are talking about SCSI devices (in case the actual user
> of libscg is cdrecord, we talk about CD/DVD writers).
CD/DVD writers wtih SCSI interface have nearly died out.
> If you read the Debian bug reports, you will find that many users are confused
> because cdrecord -scanbus will not list all possible devices.
That's what I believe to be cdrecord/libscg bugs:
1) libscg or cdrecord does not automatically probe all available
transports, but only SCSI:
2) libscg or cdrecord aborts ATA: scans as soon as one device probe
returns EPERM, which lets devices that resmgr made accessible
disappear from the list.
--
Matthias Andree
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