using cdrecord as non-root - no luck! :(

[Richard Tricoche]

Hi.

I am growing a beard trying to figure out why I cannot burn CDs from a
non-root user.

I've tried changing permissions on /dev/sg0 and /dev/sg1.  I've setuid and
guid on /usr/bin/cdrecord.  I've used 'sudo'.

And still... I get the following error messages!

Yet, I can burn as root on the cmdline.  Can anyone PLEASE help me with
this.  :(

--------------------------------------------
CDRECORD execution error...
scsidev: '1,4,0'
scsibus: 1 target: 4 lun: 0
Linux sg driver version: 3.1.24
Cdrecord 2.0 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
TOC Type: 1 = CD-ROM
Using libscg version 'schily-0.7'
atapi: 0
Device type : Removable CD-ROM
Version : 2
Response Format: 2
Capabilities : SYNC LINKED
Vendor_info : 'PLEXTOR '
Identifikation : 'CD-R PX-W1210S'
Revision : '1.05'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags : MMC-3 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 2394336 = 2338 KB
FIFO size : 4194304 = 4096 KB
/usr/bin/cdrecord: Drive needs to reload the media to return to proper
status.
Track 01: data 269 MB
Total size: 309 MB (30:37.46) = 137810 sectors
Lout start: 309 MB (30:39/35) = 137810 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 6
Is not unrestricted
Is not erasable
Disk sub type: Medium Type C, low Beta category (C-) (6)
ATIP start of lead in: -11231 (97:32/19)
ATIP start of lead out: 359847 (79:59/72)
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 27
Manufacturer: Prodisc Technology Inc.
Trying to clear drive status.
Starting to write CD/DVD at speed 12 in dummy TAO mode for single session.
Last chance to quit, starting dummy write in 9 seconds. 8 seconds. 7
seconds. 6 seconds. 5 seconds. 4 seconds. 3 seconds. 2 seconds. 1
seconds. 0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... /usr/bin/cdrecord:
Input/output error. read track info: scsi sendcmd: no error
CDB: 52 01 00 00 00 FF 00 00 1C 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 24 00 00 00
Sense Key: 0x5 Illegal Request, Segment 0
Sense Code: 0x24 Qual 0x00 (invalid field in cdb) Fru 0x0
Sense flags: Blk 0 (not valid)
resid: 28
cmd finished after 0.001s timeout 240s
input buffer ready.
BURN-Free is OFF.
Writing time: 0.016s
Average write speed 999.0x.
Fixating...
WARNING: Some drives don't like fixation in dummy mode.
Fixating time: 0.003s
/usr/bin/cdrecord: fifo had 64 puts and 0 gets.
/usr/bin/cdrecord: fifo was 0 times empty and 0 times full, min fill was
100%.
Cmd: sudo /usr/bin/cdrecord -dummy -v dev=1,4,0
/usr/local/rpa/logarchive/temp.iso 2>&1
--------------------------------------------


Sincerely,
Long beard

PGP FingerPrint: BA3A 4D29 F3CF 172A D90B  05AA 6C1E 65BC C19F F6F1
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