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Old 08-26-2004, 11:07 PM   #1
Registered: Apr 2004
Distribution: Slackware, Ubuntu
Posts: 101

Rep: Reputation: 15
CD writing works in root but not for regular user

I'm sure that this is a permissions issue, but I've tried several places and can't seem to get this to work. When I use K3B in root, everything's just fine, but as a regular user, it recognizes only the reader, not the writer. (On my system, they're the same physical drive.) I also tried X-CD-Roast also won't burn when you try as a regular user. It too has no problem as root. What files are affected? Thanks.

Old 08-26-2004, 11:31 PM   #2
Senior Member
Registered: Oct 2003
Location: Zurich, Switzerland
Distribution: Debian/unstable
Posts: 1,357

Rep: Reputation: 47
Check that /dev/sr0 has rw access to some group (eg. "cdrom") and you belong to that group.
Old 08-26-2004, 11:32 PM   #3
Registered: Mar 2003
Distribution: FreeBSD 6.1, NetBSD 3.0.1
Posts: 170

Rep: Reputation: 30
You have to edit /etc/fstab and include user in permissions. Like this:

/dev/cdrom       /mnt/cdrom       iso9660     noauto,user,ro   0   0
Old 08-27-2004, 04:53 AM   #4
Registered: Aug 2004
Location: Europe
Posts: 608

Rep: Reputation: 50
Maybe you have already solved it, but if you are running kernel 2.6.8 or, than this might be caused by a known bug in the kernel. Either upgrade to 2.6.9-rc* or downgrade to 2.6.7.
Old 08-28-2004, 04:18 AM   #5
Not now, John!
Registered: Jul 2004
Distribution: LFS 5.1
Posts: 161

Rep: Reputation: 30
Run K3B setup. It will create "burning" group and chgrp all files (cdrecord, /dev/sr0...).
After that you only need to add yourself (or any other user) to "burning" group.
Old 08-28-2004, 11:25 PM   #6
Registered: Apr 2004
Distribution: Slackware, Ubuntu
Posts: 101

Original Poster
Rep: Reputation: 15
I was running kernel I compiled and installed 2.6.7, and it worked again! Is there anything I need to be worried about in terms of security, though, when running the older kernel? Why wasn't this bug fixed in, anyways? Thanks for the help.



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