Forum Linux.débutant probleme pour graver un cd

bonjour a tous,

je viens d'installer un graveur de dvd pioneer 111 sur mon ordi IBM 300pl pentium II
350mhz
j'ai mandriva 2005 et je viens d'installer k3b

j'ai chargé un nouveau projet 11 chanson du cd de raphaël et j'ai cliqué sur graver

voici les messages qui apparaissent :


Devices
-----------------------
PIONEER DVD-RW DVR-111D 1.19 (/dev/hdc, ) at /mnt/cdrom [CD-R; CD-RW; CD-ROM; DVD-ROM; DVD-R; DVD-RW; DVD+R; DVD+RW] [DVD-ROM; DVD-R en mode séquentiel; DVD-RW avec effacement restreint; DVD-RW en mode séquentiel; DVD+RW; DVD+R; DVD+R Double Layer; CD-ROM; CD-R; CD-RW] [SAO; TAO; RAW; SAO / R16; RAW / R96P; RAW / R96R]

System
-----------------------
K3b Version: 0.11.20
KDE Version: 3.3.2
QT Version: 3.3.4
Kernel: 2.6.11-6mdk

cdrecord
-----------------------
/usr/bin/cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
scsidev: '/dev/hdc'
devname: '/dev/hdc'
scsibus: -2 target: -2 lun: -2
Warning: Open by 'devname' is unintentional and not supported.
Linux sg driver version: 3.5.27
SCSI buffer size: 64512
Cdrecord-Clone 2.01.01a01-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 <warly@mandrakesoft.com>.
Note: The author of cdrecord should not be bothered with problems in this version.
TOC Type: 0 = CD-DA
Using libscg version 'schily-0.8'.
Driveropts: 'burnfree'
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Capabilities :
Vendor_info : 'PIONEER '
Identifikation : 'DVD-RW DVR-111D'
Revision : '1.19'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0009
Profile: 0x002B
Profile: 0x001B
Profile: 0x001A
Profile: 0x0016
Profile: 0x0015
Profile: 0x0014
Profile: 0x0013
Profile: 0x0011
Profile: 0x0010
Profile: 0x000A
Profile: 0x0009 (current)
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/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1267712 = 1238 KB
FIFO size : 4194304 = 4096 KB
pregap1: -1
Track 01: audio 35 MB (03:33.20) no preemp swab copy
Track 02: audio 32 MB (03:15.01) no preemp swab copy
Track 03: audio 21 MB (02:09.50) no preemp swab copy
Track 04: audio 38 MB (03:49.01) no preemp swab copy
Track 05: audio 26 MB (02:35.01) no preemp swab copy
Track 06: audio 34 MB (03:26.32) no preemp swab copy
Track 07: audio 30 MB (03:02.09) no preemp swab copy
Track 08: audio 32 MB (03:15.06) no preemp swab copy
Track 09: audio 28 MB (02:47.09) no preemp swab copy
Track 10: audio 36 MB (03:39.90) no preemp swab copy
Track 11: audio 32 MB (03:15.38) no preemp swab copy
Total size: 351 MB (34:47.61) = 156571 sectors
Lout start: 351 MB (34:49/46) = 156571 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 5
Is not unrestricted
Is not erasable
Disk sub type: Medium Type B, low Beta category (B-) (4)
ATIP start of lead in: -12369 (97:17/06)
ATIP start of lead out: 359849 (79:59/74)
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 69
Manufacturer: Moser Baer India Limited
Manufacturer is guessed because of the orange forum embargo.
The orange forum likes to get money for recent information.
The information for this media may not be correct.
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 203278
Speed set to 7056 KB/s
Starting to write CD/DVD at speed 40.0 in real SAO mode for single session.
Last chance to quit, starting real write in 2 seconds.
1 seconds.
0 seconds.
Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
trackno=0
BURN-Free is OFF.
Turning BURN-Free on
Performing OPC...
Sending CUE sheet...
Writing pregap for track 1 at -150
Starting new track at sector: 0
Track 01: 0 of 35 MB written.
/usr/bin/cdrecord: Success. write_g1: scsi sendcmd: no error
CDB: 2A 00 00 00 01 95 00 00 1B 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 71 00 03 00 98 22 34 0E 00 00 00 00 0C 00 00 00
Sense Key: 0x3 Medium Error, deferred error, Segment 0
Sense Code: 0x0C Qual 0x00 (write error) Fru 0x0
Sense flags: Blk 9970228 (not valid)
resid: 63504
cmd finished after 0.001s timeout 200s
/usr/bin/cdrecord: A write error occured.
/usr/bin/cdrecord: Please properly read the error message above.
/usr/bin/cdrecord: Success. test unit ready: scsi sendcmd: no error
CDB: 00 00 00 00 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 02 00 00 00 00 0E 00 00 00 00 30 00 00 00
Sense Key: 0x2 Not Ready, Segment 0
Sense Code: 0x30 Qual 0x00 (incompatible medium installed) Fru 0x0
Sense flags: Blk 0 (not valid)
cmd finished after 0.006s timeout 200s
write track data: error after 952560 bytes
Writing time: 34.686s
Average write speed 105.8x.
Fixating...
/usr/bin/cdrecord: Success. flush cache: scsi sendcmd: no error
CDB: 35 00 00 00 00 00 00 00 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 02 00 00 00 00 0E 00 00 00 00 30 00 00 00
Sense Key: 0x2 Not Ready, Segment 0
Sense Code: 0x30 Qual 0x00 (incompatible medium installed) Fru 0x0
Sense flags: Blk 0 (not valid)
cmd finished after 0.006s timeout 200s
/usr/bin/cdrecord: Success. test unit ready: scsi sendcmd: no error
CDB: 00 00 00 00 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 02 00 00 00 00 0E 00 00 00 00 30 00 00 00
Sense Key: 0x2 Not Ready, Segment 0
Sense Code: 0x30 Qual 0x00 (incompatible medium installed) Fru 0x0
Sense flags: Blk 0 (not valid)
cmd finished after 0.005s timeout 200s
Trouble flushing the cache
Fixating time: 10.069s
/usr/bin/cdrecord: fifo had 79 puts and 16 gets.
/usr/bin/cdrecord: fifo was 0 times empty and 15 times full, min fill was 98%.

cdrecord comand:
-----------------------
/usr/bin/cdrecord -v gracetime=2 dev=/dev/hdc speed=40 -dao driveropts=burnfree -eject -useinfo -pad -shorttrack -audio /tmp/kde-paul/k3b_audio_0_01.inf /tmp/kde-paul/k3b_audio_0_02.inf /tmp/kde-paul/k3b_audio_0_03.inf /tmp/kde-paul/k3b_audio_0_04.inf /tmp/kde-paul/k3b_audio_0_05.inf /tmp/kde-paul/k3b_audio_0_06.inf /tmp/kde-paul/k3b_audio_0_07.inf /tmp/kde-paul/k3b_audio_0_08.inf /tmp/kde-paul/k3b_audio_0_09.inf /tmp/kde-paul/k3b_audio_0_10.inf /tmp/kde-paul/k3b_audio_0_11.inf


J'ai franchement du mal avec ces messages pouvez vous m'éclairer sur mon probleme

merci d'avance