gravure impossible (cdrom occupé)/ burn impossible (cdrom busy)

 Ubuntu 9.04
 Noyau Linux 2.6.28-13-generic
 GNOME 2.26.1
 Celeron (Coppermine)

 Brasero :
 Driver busy / Lecteur occupé

 brasero-session.log :
 -----------------------------------------
Checking session consistency (brasero_burn_check_session_consistency burn.c:1905)
BraseroBurnURI called brasero_job_get_action
BraseroBurnURI called brasero_job_get_action
BraseroBurnURI called brasero_job_set_output_size_for_current_track
BraseroBurnURI stopping
BraseroBurnURI called brasero_job_get_action
BraseroBurnURI called brasero_job_get_session_output_size
BraseroBurnURI called brasero_job_get_action
BraseroBurnURI called brasero_job_get_current_track
BraseroBurnURI called brasero_job_get_input_type
BraseroBurnURI burn:// URI found burn:///video.avi
BraseroBurnURI called brasero_job_set_current_action
BraseroBurnURI called brasero_job_get_current_track
BraseroBurnURI Information retrieval for burn:///video.avi
BraseroBurnURI Added file /media/archive/films/video.avi at /video.avi
BraseroBurnURI no burn:// URI found
BraseroBurnURI called brasero_job_add_track
BraseroBurnURI called brasero_job_get_action
BraseroBurnURI Finished track successfully
BraseroBurnURI stopping
BraseroChecksumFiles called brasero_job_get_output_type
BraseroChecksumFiles called brasero_job_get_current_track
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles called brasero_job_set_output_size_for_current_track
BraseroChecksumFiles stopping
BraseroChecksumFiles called brasero_job_get_output_type
BraseroChecksumFiles called brasero_job_get_current_track
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles called brasero_job_get_session_output_size
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles called brasero_job_get_input_type
BraseroChecksumFiles called brasero_job_get_current_track
BraseroChecksumFiles called brasero_job_set_current_action
BraseroChecksumFiles called brasero_job_get_flags
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles called brasero_job_get_input_type
BraseroChecksumFiles called brasero_job_get_current_track
BraseroChecksumFiles Adding graft for checksum file /.checksum.md5 file:///tmp/brasero_tmp_98MNWU.md5
BraseroChecksumFiles called brasero_job_add_track
BraseroChecksumFiles called brasero_job_get_action
BraseroChecksumFiles Finished track successfully
BraseroChecksumFiles stopping
BraseroChecksumImage called brasero_job_get_current_track
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage called brasero_job_get_flags
BraseroWodim called brasero_job_get_action
BraseroWodim creating input
BraseroWodim getting varg
BraseroWodim called brasero_job_get_action
BraseroWodim got varg:
BraseroWodim deactivating
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage creating input
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage called brasero_job_get_fd_in
BraseroChecksumImage deactivating
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage getting varg
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage called brasero_job_get_current_track
BraseroGenisoimage called brasero_job_get_tmp_dir
BraseroGenisoimage called brasero_job_get_data_label
BraseroGenisoimage called brasero_job_get_flags
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage called brasero_job_set_current_action
BraseroGenisoimage got varg:
 /usr/bin/genisoimage
 -input-charset
 utf8
 -r
 -J
 -graft-points
 -path-list
 /tmp/brasero_tmp_PWCZWU
 -exclude-list
 /tmp/brasero_tmp_D390WU
 -V
 Disque de données (14 juil. 09)
 -A
 Brasero-2.26.1
 -sysid
 LINUX
 -quiet
 -print-size
BraseroGenisoimage Launching command
BraseroGenisoimage called brasero_job_get_fd_out
BraseroGenisoimage stderr: HUP
BraseroGenisoimage stdout: 356933
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage called brasero_job_set_output_size_for_current_track
BraseroGenisoimage stdout: HUP
BraseroGenisoimage process finished with status 0
BraseroGenisoimage called brasero_job_get_fd_out
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage Finished track successfully
BraseroGenisoimage got killed
BraseroGenisoimage stopping
BraseroChecksumImage called brasero_job_get_current_track
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage called brasero_job_get_flags
BraseroWodim called brasero_job_get_action
BraseroWodim creating input
BraseroWodim getting varg
BraseroWodim called brasero_job_get_action
BraseroWodim called brasero_job_get_device
BraseroWodim called brasero_job_get_flags
BraseroWodim called brasero_job_get_speed
BraseroWodim called brasero_job_get_flags
BraseroWodim called brasero_job_get_input_type
BraseroWodim called brasero_job_get_fd_in
BraseroWodim called brasero_job_get_input_type
BraseroWodim called brasero_job_get_session_output_size
BraseroWodim called brasero_job_set_current_action
BraseroWodim got varg:
 wodim
 -v
 dev=/dev/sr0
 speed=4
 -dao
 fs=32m
 tsize=356933s
 -data
 -nopad
 -
BraseroWodim Launching command
BraseroWodim called brasero_job_get_fd_out
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage linked to BraseroWodim
BraseroChecksumImage creating input
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage called brasero_job_get_action
BraseroChecksumImage called brasero_job_get_input_type
BraseroChecksumImage called brasero_job_set_current_action
BraseroChecksumImage called brasero_job_get_fd_in
BraseroChecksumImage Starting checksum generation live (size = 0)
BraseroChecksumImage called brasero_job_set_nonblocking
BraseroChecksumImage called brasero_job_get_fd_in
BraseroChecksumImage called brasero_job_get_fd_out
BraseroChecksumImage called brasero_job_get_fd_in
BraseroChecksumImage called brasero_job_get_fd_out
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage linked to BraseroChecksumImage
BraseroGenisoimage getting varg
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage called brasero_job_get_current_track
BraseroGenisoimage called brasero_job_get_tmp_dir
BraseroGenisoimage called brasero_job_get_data_label
BraseroGenisoimage called brasero_job_get_flags
BraseroGenisoimage called brasero_job_get_action
BraseroGenisoimage called brasero_job_get_fd_out
BraseroGenisoimage called brasero_job_set_current_action
BraseroGenisoimage got varg:
 /usr/bin/genisoimage
 -input-charset
 utf8
 -r
 -J
 -graft-points
 -path-list
 /tmp/brasero_tmp_D3FYWU
 -exclude-list
 /tmp/brasero_tmp_PWFYWU
 -V
 Disque de données (14 juil. 09)
 -A
 Brasero-2.26.1
 -sysid
 LINUX
BraseroGenisoimage Launching command
BraseroGenisoimage called brasero_job_get_fd_out
BraseroWodim stderr: wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.scsidev: '/dev/sr0'
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: devname: '/dev/sr0'
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: scsibus: -2 target: -2 lun: -2
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: Linux sg driver version: 3.5.27
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: Wodim version: 1.1.9
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: SCSI buffer size: 64512
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: Beginning DMA speed test. Set CDR_NODMATEST environment variable if device
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: communication breaks or freezes immediately after that.
BraseroWodim called brasero_job_get_flags
BraseroWodim stdout: TOC Type: 1 = CD-ROM
BraseroWodim stdout: Device type : Removable CD-ROM
BraseroWodim stderr: wodim: Drive does not support SAO recording.
BraseroWodim called brasero_job_get_flags
BraseroWodim stdout: Version : 5
BraseroWodim stdout: Response Format: 2
BraseroWodim stderr: wodim: Try -raw option.
BraseroWodim called brasero_job_get_flags
BraseroWodim stdout: Capabilities :
BraseroWodim stderr: wodim: Illegal write mode for this drive.
BraseroWodim called brasero_job_get_flags
BraseroWodim called brasero_job_error
BraseroWodim finished with an error
BraseroWodim asked to stop because of an error
 error = 5
 message = "Le lecteur est occupé"
BraseroGenisoimage stopping
BraseroGenisoimage got killed
BraseroGenisoimage disconnecting BraseroGenisoimage from BraseroChecksumImage
BraseroChecksumImage stopping
BraseroChecksumImage disconnecting BraseroChecksumImage from BraseroWodim
BraseroChecksumImage closing connection for BraseroChecksumImage
BraseroWodim stopping
BraseroWodim got killed
BraseroWodim stdout: Vendor_info : 'MITSUMI '
BraseroWodim stdout: Identification : 'CR-4804TE '
BraseroWodim stdout: Revision : '2.6C'
BraseroWodim stdout: Device seems to be: Philips CDD-522.
BraseroWodim stdout: Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
BraseroWodim stdout: Driver flags : MMC SWABAUDIO
BraseroWodim stdout: Supported modes: TAO PACKET RAW/R16 RAW/R96R
BraseroWodim stdout: Drive buf size : 1343488 = 1312 KB
BraseroWodim stdout: FIFO size : 33554432 = 32768 KB
BraseroWodim closing connection for BraseroWodim
Session error : Le lecteur est occupé (brasero_burn_record burn.c:2599)