Re: [PLUG] dvd troubles

Bill Jonas on 2002年5月21日 14:24:52 -0400


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Re: [PLUG] dvd troubles


On Tue, May 21, 2002 at 01:56:48PM -0400, Kevin Brosius wrote:
> Are you using a dvd+rw drive?
CD-RW. But observe some lines in my /dev/MAKEDEV:
case "1ドル" in
...
 sr) echo scd ;;
...
for arg
do
 case $arg in
...
 sr|scd|scd-all)
 major=`Major sr 11` || continue
 for unit in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
 do
 makedev scd$unit b $major $unit $cdrom
 symlink sr$unit scd$unit
 done
 ;;
...
 scd[0-9]|scd[0-1][0-9])
 major=`Major sr 11` || continue
 unit=`suffix $arg scd`
 makedev scd$unit b $major $unit $cdrom
 ln -f scd$unit sr$unit
 ;;
This is the latest Debian woody.
Note the /usr/src/linux/Documentation/devices.txt (this is from the
devices.txt for 2.4.18):
 block SCSI CD-ROM devices
 0 = /dev/sr0 First SCSI CD-ROM
 1 = /dev/sr1 Second SCSI CD-ROM
 ...
 The prefix /dev/scd instead of /dev/sr has been used
 as well, and might make more sense.
...
It is recommended that these links exist on all systems:
...
/dev/scd? sr? hard Alternate SCSI CD-ROM name
Note also this paragraph, from the same file:
For SCSI devices, /dev/tape and /dev/cdrom should point to the
``cooked'' devices (/dev/st* and /dev/sr*, respectively), whereas
/dev/cdwriter and /dev/scanner should point to the appropriate generic
SCSI devices (/dev/sg*).
Dunno if that helps or not.
-- 
Bill Jonas * bill@billjonas.com * http://www.billjonas.com/
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety." -- Benjamin Franklin

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