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Re: nautilus cd-burner



On Mon, Oct 31, 2005 at 07:57:32AM -0800, Alexandru Cardaniuc wrote:
> Hi All!

Hi,

> I was trying to burn a CD-RW today with Nautilus CD-burner. But I got an
> error writing to CD-RW.
> 
> Detailed error output from cdrecord:
> 
> cdrecord: Operation not permitted. Cannot send SCSI cmd via ioctl
> SCSI buffer size: 64512
> cdrecord: Warning: using inofficial version of libscg (ubuntu-0.8ubuntu1 '@(#)scsitransp.c	1.91 04/06/17 Copyright 1988,1995,2000-2004 J. Schilling').
> : Operation not permitted
> Error: Cannot gain SYS_RAWIO capability.Is cdrecord installed SUID root?
> Linux sg driver version: 3.5.27
> Warning: Open by 'devname' is unintentional and not supported.
> scsibus: -2 target: -2 lun: -2
> devname: '/dev/hdc'
> scsidev: '/dev/hdc'
> 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: If you have unexpected problems, please try Linux-2.4 or Solaris.
> cdrecord: There are unsettled issues with Linux-2.5 and newer.
> cdrecord: Warning: Running on Linux-2.6.12-1-amd64-k8
> 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 am running cd-burner as user of course, not as root. Do I have to
> setup SUID root? If yes, then how? Can somebody give me some pointers?
> A pointer to some docs?
> 
> 
> Running debian stock kernel 2.6.12 on debian amd64 sid.
> 
> -- 
> "I am not young enough to know everything."  
> 
> Oscar Wilde

First, check the permissions of /dev/hdc. They should be
brw-rw----  1 root cdrom 22, 0 2005-10-30 12:21 /dev/hdc

The user should be a member of the group 'cdrom', if s/he is not, add
him/her with `adduser user cdrom`, logout and log back in.

Are you using scsi-emulation? If so, then the device should be something
else. See one the scsi-emulation (google) howtos for details.

Sorry, I don't know how to change the parameters for nautilus :(

Simo
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