System
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K3b Version: 1.0.3

KDE Version: 3.5.8
QT Version:  3.3.7
Kernel:      2.6.22-14-generic
Devices
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PIONEER DVD-RW  DVR-111D 1.06 (/dev/scd0, ) [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-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]

K3bIsoImager
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mkisofs print size result: 0 (0 bytes)

Used versions
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mkisofs: 1.1.6

mkisofs
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/usr/bin/genisoimage: Implementation botch. Video pad for file VTS_05_0.BUP is -178514
/usr/bin/genisoimage: Either the *.IFO file is bad or you found a genisoimage bug.
/usr/bin/genisoimage: Implementation botch. Video pad for file VTS_05_0.BUP is -178514
/usr/bin/genisoimage: Either the *.IFO file is bad or you found a genisoimage bug.

mkisofs calculate size command:
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/usr/bin/genisoimage -gui -graft-points -print-size -quiet -volid VIDEO_TS -volset  -appid K3B THE CD KREATOR (C) 1998-2006 SEBASTIAN TRUEG AND THE K3B TEAM -publisher  -preparer  -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-philip/k3btKP6Mb.tmp -no-cache-inodes -udf -iso-level 1 -path-list /tmp/kde-philip/k3bumYtNb.tmp -dvd-video -f /tmp/kde-philip/k3bVideoDvd0