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Old 12-16-2003, 09:17 AM   #1
Registered: Jul 2003
Posts: 658

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Question packet writing - cdrw

I installed udf tools, patched the kernel successfully and got packet writing successfully.

But now i can write to cdrw only as root.

How can i give permissions to users to write to the cdrw?

got patches from here:

kernel-2.6 test11
Slackware 9.1
P4 1.7 GHz
LG CDRW (32x 10x 40x)
Old 12-16-2003, 11:13 PM   #2
Registered: Jul 2003
Posts: 658

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anyone ?
Old 02-13-2004, 08:26 PM   #3
Registered: Jul 2003
Posts: 658

Original Poster
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Can anyone HELP ME???? Its BEEN MONTHS!!!
Old 02-13-2004, 08:47 PM   #4
Registered: Oct 2003
Location: Austin,TX
Distribution: Debian SID-->fully content-->Love APT,kernel 2.6.4
Posts: 327

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maybe you have not given the normal user permissions to access the drive.
have you tried:
/dev/cdrom1 /cdrom1 iso9660 ro,user,noauto 0 0
this is the entry for my CD-RW.
maybe this will help.
if you can mount as normal user then this will not help...but if u cant mount the drive as normal user...then this should help your situation.
let me know if it does.
Old 02-15-2004, 05:30 AM   #5
Registered: Jul 2003
Posts: 658

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I can mount cdroms and cdrws as user.
Did u check the packet link i mentioned??
Actually a special device /dev/pktcdvd0 is created (mknod /dev/pktcdvd0 b 97 0 )
here is the readme:


Getting started quick

- Select packet support in the block device section and UDF support in
the file system section.

- Compile and install kernel and modules, reboot.

- You need the udftools package (pktsetup, mkudffs, cdrwtool).
Download from

- Grab a new CD-RW disc and format it (assuming CD-RW is sr0, substitute
as appropriate):
# cdrwtool -d /dev/sr0 -q

- Make sure that /dev/pktcdvd0 exists (mknod /dev/pktcdvd0 b 97 0)

- Setup your writer
# pktsetup /dev/pktcdvd0 /dev/sr0

- Now you can mount /dev/pktcdvd0 and copy files to it. Enjoy!
# mount /dev/pktcdvd0 /cdrom -t udf -o rw,noatime


- Put something like this in /etc/modprobe.conf to allow auto-load of pktcdvd:



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