[WYLUG-help] can't write cds or dvds with fc2

[Jim Jackson]

On Sat, 30 Oct 2004, Mike wrote:

> Can anyone help me with Fedora Core 2 once again, please. I have updated
> the system using yum, got my old problems sorted out thanks to a lot of
> help from WYLUG-help list members. Moving on to the next one, I can't
> burn CDs - storing .jpg images and OO.o documents -  but haven't tried
> DVDs yet. /etc/sysconfig/hwconf correctly lists the drives as follows,
> although I am not aware whether the entry settings are fully correct:
>
> -
> class: CDROM
> bus: IDE
> detached: 0
> device: hdc
> driver: ignore
> desc: "LITE-ON DVDRW SOHW-1213S"
> -
> class: CDROM
> bus: IDE
> detached: 0
> device: hdd
> driver: ignore
> desc: "LITE-ON LTR-52327S"
> -
>
> hda and hdb are both HDDs and the box is new, with HDDs formatted by the
> FC2 install CDs.
>
> /boot/grub/grub.conf does not mention either drive (hdc, hdd) but then,
> I don't think it should in FC2?
>
> Which other files should I be looking at and what should they contain?
>
> On trying to write to CD (same in either hdc or hdd) I first get a box
> saying preparing to write to cd then I get an error box saying "error
> trying to write to cd" with "ok" or "details" options. A click on
> details offers:
>
>  cdrecord: Illegal write mode for this drive.
> cdrecord: Drive does not support TAO recording.
> SCSI buffer size: 64512
> cdrecord: Warning: using inofficial libscg transport code version
> (schily - Red Hat-scsi-linux-sg.c-1.83-RH '@(#)scsi-linux-sg.c	1.83
> 04/05/20 Copyright 1997 J. Schilling').
> Linux sg driver version: 3.5.27
> scsibus: -2 target: -2 lun: -2
> devname: '/dev/hdd'
> scsidev: '/dev/hdd'
> cdrecord: WARNING: This causes a high risk for buffer underruns.
> cdrecord: Permission denied. WARNING: Cannot set priority using
> setpriority().
> cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
> cdrecord: WARNING: This causes a high risk for buffer underruns.
> cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
> cdrecord: Continuing in 5 seconds...
> cdrecord: Future versions of cdrecord may have different drive dependent
> defaults.
> cdrecord: Asuming -tao mode.
> cdrecord: No write mode specified.
>

I think you may need to do this as root. Not sure how FC2 sets up
cdrecord, but it looks like it might not set it setuid (run as root).