On Saturday 21 December 2002 06:15 am, John Haywood wrote:
> On Sat, 21 Dec 2002 11:14 am, John Haywood wrote:
> > I've just added a DVD(ro)/CDR combo drive in to my system, and I thought
> > I had configured correctly:
> >
> > /dev/cdrom is linked to cdroms/cdrom0, which is linked to
> > ../scsi/host0/bus0/target2/lun0/cd
> >
> > the scsi modules are loaded, but ...
> >
> > 1. cdrecord -scanbus errors
> > 2. no dvd
> >
> > any ideas or url? The dvd howto is hopelessly out-of-date (no devfs..)
>
> ...oh dear! now the cdrom part is playing up too.....
John,
On my system I have a Samsung dvd/cdrw combo that seems to be working OK. On
my system the drive is on the second IDE controller as a master, with another
cd reader on the same channel as a slave. Due to some incorrect settings with
an on board Promise raid controller my dvd/cdrw is detected by Linux as
/dev/hdg on the "ide side" of things. Anyway, devfs treats it this way in
lilo.conf:
image=/boot/vmlinuz
label=linux
root=/dev/hde1
initrd=/boot/initrd.img
append="quiet devfs=mount hdg=ide-scsi"
vga=788
Doing a ls -la on dev/scd0 returns the following:
/dev/scd0 -> scsi/host0/bus0/target6/lun0/cd
I created a link in /dev for the dvd side that looks like this:
/dev/dvd -> scsi/host0/bus0/target6/lun0/cd
cdrecord -scanbus returns:
Using libscg version 'schily-0.6'
scsibus0:
0,0,0 0) *
0,1,0 1) *
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) 'SAMSUNG ' 'CDRW/DVD SM-332B' 'T403' Removable CD-ROM
0,7,0 7) *
To enable DMA on the drive I do:
hdparm -d 1 /dev/hdg
On my system this makes dvd playback smoother
I do not use supermount, so my fstab entry for the drive looks like this:
/dev/scd0 /mnt/cdburn auto
user,iocharset=iso8859-1,exec,codepage=850,ro,noauto 0 0
Hope the above gibberish is of some help to you.
Jim
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