hola, hoy actualize a esta version como así me lo pedía mi squeeze

pero... no graba

solo graba si continuo una sesion existente y el archivo cabe en el resto de espacio libre

si creo una nueva sesion, o sobreescribo la existente, o borro y despues escribo, error, no graba

me pone:
Unable to open new session.
Probably a problem with the medium.

pasteo todo lo que pone en "show debugging output":

Devices
-----------------------
TSSTcorp CD/DVDW SH-S182D SB04 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R Sequential, DVD-R Dual Layer Sequential, DVD-R Dual Layer Jump, DVD-RAM, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Restricted Overwrite, Layer Jump] [%7]

K3b::IsoImager
-----------------------
mkisofs print size result: 740541 (1516627968 bytes)

System
-----------------------
K3b Version: 1.70.0
KDE Version: 4.3.4 (KDE 4.3.4)
QT Version: 4.5.3
Kernel: 2.6.32-trunk-686

Used versions
-----------------------
mkisofs: 1.1.10
cdrecord: 1.1.10

cdrecord
-----------------------
/usr/bin/wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.
scsidev: '/dev/sr0'
devname: '/dev/sr0'
scsibus: -2 target: -2 lun: -2
Linux sg driver version: 3.5.27
Wodim version: 1.1.10
SCSI buffer size: 64512
Beginning DMA speed test. Set CDR_NODMATEST environment variable if device
communication breaks or freezes immediately after that.
TOC Type: 1 = CD-ROM
Driveropts: 'burnfree'
Device type : Removable CD-ROM
Version : 5
Response Format: 2
Capabilities :
Vendor_info : 'TSSTcorp'
Identification : 'CD/DVDW SH-S182D'
Revision : 'SB04'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0013 (DVD-RW restricted overwrite)
Profile: 0x0015 (DVD-R/DL sequential recording)
Profile: 0x0016 (DVD-R/DL layer jump recording)
Profile: 0x002B (DVD+R/DL)
Profile: 0x001B (DVD+R)
Profile: 0x001A (DVD+RW)
Profile: 0x0014 (DVD-RW sequential recording)
Profile: 0x0013 (DVD-RW restricted overwrite) (current)
Profile: 0x0012 (DVD-RAM)
Profile: 0x0011 (DVD-R sequential recording)
Profile: 0x0010 (DVD-ROM)
Profile: 0x000A (CD-RW)
Profile: 0x0009 (CD-R)
Profile: 0x0008 (CD-ROM)
Profile: 0x0002 (Removable disk)
Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd).
Driver flags : SWABAUDIO BURNFREE
Supported modes: PACKET SAO
Drive buf size : 1048576 = 1024 KB
FIFO size : 12582912 = 12288 KB
/usr/bin/wodim: WARNING: Could not manage to find medium size, and more than 90 mins of data.
Speed set to 5540 KB/s
Track 01: data 1446 MB
Total size: 1661 MB (164:33.88) = 740541 sectors
Lout start: 1661 MB (164:35/66) = 740541 sectors
Current Secsize: 2048
HINT: use dvd+rw-mediainfo from dvd+rw-tools for information extraction.
Starting to write CD/DVD at speed 4.0 in real SAO mode for multi 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 ... Errno: 5 (Input/output error), reserve track scsi sendcmd: no error
CDB: 53 00 00 00 00 00 0B 4C BD 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 72 05 00 00
Sense Key: 0x5 Illegal Request, Segment 0
Sense Code: 0x72 Qual 0x05 (no more track reservations allowed) Fru 0x0
Sense flags: Blk 0 (not valid)
cmd finished after 0.000s timeout 200s
/usr/bin/wodim: Cannot open new session.
input buffer ready.
Writing time: 0.033s
/usr/bin/wodim: fifo had 192 puts and 0 gets.
/usr/bin/wodim: fifo was 0 times empty and 0 times full, min fill was 100%.

cdrecord command:
-----------------------
/usr/bin/wodim -v gracetime=2 dev=/dev/sr0 speed=4 -sao driveropts=burnfree -multi -data -tsize=740541s -

mkisofs
-----------------------
740541
I: -input-charset not specified, using utf-8 (detected in locale settings)
0.07% done, estimate finish Fri Feb 26 01:10:27 2010
0.14% done, estimate finish Fri Feb 26 01:10:27 2010
0.20% done, estimate finish Fri Feb 26 01:10:27 2010
0.27% done, estimate finish Fri Feb 26 01:10:27 2010
0.34% done, estimate finish Fri Feb 26 01:10:27 2010
0.41% done, estimate finish Fri Feb 26 01:10:27 2010
0.47% done, estimate finish Fri Feb 26 01:10:27 2010
0.54% done, estimate finish Fri Feb 26 01:10:27 2010
0.61% done, estimate finish Fri Feb 26 01:10:27 2010
0.68% done, estimate finish Fri Feb 26 01:10:27 2010
0.74% done, estimate finish Fri Feb 26 01:10:27 2010
0.81% done, estimate finish Fri Feb 26 01:10:27 2010

mkisofs calculate size command:
-----------------------
/usr/bin/genisoimage -gui -graft-points -print-size -quiet -volid name -volset -appid K3B THE CD KREATOR (C) 1998-2010 SEBASTIAN TRUEG AND MICHAL MALEK -publisher -preparer -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-scow/k3bfq4781.tmp -rational-rock -hide-list /tmp/kde-scow/k3bqu4781.tmp -joliet -joliet-long -hide-joliet-list /tmp/kde-scow/k3bId4781.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 3 -path-list /tmp/kde-scow/k3bZj4781.tmp

mkisofs command:
-----------------------
/usr/bin/genisoimage -gui -graft-points -volid name -volset -appid K3B THE CD KREATOR (C) 1998-2010 SEBASTIAN TRUEG AND MICHAL MALEK -publisher -preparer -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-scow/k3bVW4781.tmp -rational-rock -hide-list /tmp/kde-scow/k3bDV4781.tmp -joliet -joliet-long -hide-joliet-list /tmp/kde-scow/k3ber4781.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 3 -path-list /tmp/kde-scow/k3bOD4781.tmp