Hi,
I'm using Centos 2.4.21-37.ELsmp.
Under root user I can erase and burn a CDRW with succes.
But under normal user it's impossible and the following error message appeared
this is on the same machine.
Any help ?
Under normal user: Error ! --------------------------
/usr/bin/cdrecord -v dev=4,0,0 blank=fast Cdrecord-Clone 2.01a32-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling Note: This version is an unofficial (modified) version with DVD support Note: and therefore may have bugs that are not present in the original. Note: Please send bug reports or support requests to http://bugzilla.redhat.com/bugzilla Note: The author of cdrecord should not be bothered with problems in this version. TOC Type: 1 = CD-ROM scsidev: '4,0,0' scsibus: 4 target: 0 lun: 0 Linux sg driver version: 3.1.25 Using libscg version 'schily-0.8'. Segmentation fault
With root user: Succes ! -----------------------
# /usr/bin/cdrecord -v dev=4,0,0 blank=fast Cdrecord-Clone 2.01a32-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling Note: This version is an unofficial (modified) version with DVD support Note: and therefore may have bugs that are not present in the original. Note: Please send bug reports or support requests to http://bugzilla.redhat.com/bugzilla Note: The author of cdrecord should not be bothered with problems in this version. TOC Type: 1 = CD-ROM scsidev: '4,0,0' scsibus: 4 target: 0 lun: 0 Linux sg driver version: 3.1.25 Using libscg version 'schily-0.8'. /usr/bin/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'). SCSI buffer size: 64512 atapi: 1 Device type : Removable CD-ROM Version : 0 Response Format: 1 Vendor_info : 'PHILIPS ' Identifikation : 'DVD+-RW DVD8801 ' Revision : '4D28' Device seems to be: Generic mmc2 DVD-R/DVD-RW. Current: 0x000A Profile: 0x002B Profile: 0x001B Profile: 0x001A Profile: 0x0014 Profile: 0x0013 Profile: 0x0011 Profile: 0x0010 Profile: 0x000A (current) Profile: 0x0009 Profile: 0x0008 Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr). Driver flags : MMC-3 SWABAUDIO BURNFREE Supported modes: TAO PACKET SAO SAO/R96R RAW/R16 RAW/R96R Drive buf size : 1073152 = 1048 KB Current Secsize: 2048 ATIP info from disk: Indicated writing power: 5 Reference speed: 2 Is not unrestricted Is erasable ATIP start of lead in: -11635 (97:26/65) ATIP start of lead out: 359849 (79:59/74) 1T speed low: 0 (reserved val 0) 1T speed high: 4 2T speed low: 8 2T speed high: 0 (reserved val 10) power mult factor: 4 6 recommended erase/write power: 3 A1 values: 02 4C B0 A2 values: 4A C8 36 Disk type: Phase change Manuf. index: 3 Manufacturer: CMC Magnetics Corporation Starting to write CD/DVD at speed 4.0 in real BLANK mode for single session. Last chance to quit, starting real write 0 seconds. Operation starts. Performing OPC... Blanking PMA, TOC, pregap Blanking time: 49.918
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