Version:           2.0.1 (using Devel) 
OS:                FreeBSD

This new k3b version not burning dvds because use cdrecord for burn DVD and not work need a ProDVD, I try to k3b 1.0.5 and excellent work! 

Reproducible: Didn't try

Steps to Reproduce:
1. Open k3b
2. Push in menu action and select Burning image...
3. Selection a dvd image.iso 
4. Introduction to dvd in burning device
5. Push Start
6. Fail to work

"Probably a buffer underrun occured.
Please choose a lower burning speed."



This is a debuggin "try burning dvd" with k3b 2.0.1

Devices
-----------------------
HL-DT-ST DVDRAM GH22NS40 NL02 (/dev/cd0, 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]

System
-----------------------
K3b Version: 2.0.1
KDE Version: 4.5.1 (KDE 4.5.1)
QT Version:  4.6.3
Kernel:      9.0-CURRENT

Used versions
-----------------------
cdrecord: 2.1

cdrecord
-----------------------
scsidev: '2,0,0'
scsibus: 2 target: 0 lun: 0
SCSI buffer size: 64512
/usr/local/bin/cdrecord: Found DVD media but DVD-R/DVD-RW support code is missing.
/usr/local/bin/cdrecord: If you need DVD-R/DVD-RW support, ask the Author for cdrecord-ProDVD.
/usr/local/bin/cdrecord: Free test versions and free keys for personal use are at ftp://ftp.berlios.de/pub/cdrecord/ProDVD/
/usr/local/bin/cdrecord: This version of cdrecord does not include DVD-R/DVD-RW support code.
/usr/local/bin/cdrecord: If you need DVD-R/DVD-RW support, ask the Author for cdrecord-ProDVD.
/usr/local/bin/cdrecord: Free test versions and free keys for personal use are at ftp://ftp.berlios.de/pub/cdrecord/ProDVD/
Cdrecord-Clone 2.01 (amd64-unknown-freebsd9.0) Copyright (C) 1995-2004 Jörg Schilling
TOC Type: 1 = CD-ROM
Using libscg version 'schily-0.8'.
Driveropts: 'burnfree'
atapi: 0
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   : 
Vendor_info    : 'HL-DT-ST'
Identifikation : 'DVDRAM GH22NS40 '
Revision       : 'NL02'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0011
Profile: 0x0012 
Profile: 0x0011 (current)
Profile: 0x0015 
Profile: 0x0016 
Profile: 0x0014 
Profile: 0x0013 
Profile: 0x001A 
Profile: 0x001B 
Profile: 0x002B 
Profile: 0x0010 
Profile: 0x0009 
Profile: 0x000A 
Profile: 0x0008 
Profile: 0x0002 
Using generic SCSI-3/mmc   CD/DVD driver (checks media) (mmc_cd_dvd).
Driver flags   : MMC-3 SWABAUDIO BURNFREE 
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1114112 = 1088 KB
Drive DMA Speed: 16457 kB/s 93x CD 11x DVD
FIFO size      : 4194304 = 4096 KB
/usr/local/bin/cdrecord: Unspecified command not implemented for this drive.
/usr/local/bin/cdrecord: Data will not fit on any disk.
/usr/local/bin/cdrecord: Cannot write more than remaining DVD capacity.
Track 01: data  4118 MB        
Total size:     4729 MB (468:35.62) = 2108672 sectors
Lout start:     4730 MB (468:37/47) = 2108672 sectors
Current Secsize: 2048

cdrecord command:
-----------------------
/usr/local/bin/cdrecord -v gracetime=2 dev=2,0,0 speed=8 -sao driveropts=burnfree -data -tsize=2108672s -