Воспроизводится стабильно. Под strace не воспроизводится. Система - текущий
Sisyphus с x86_64

System
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K3b Version: 0.12.16

KDE Version: 3.5.4
QT Version:  3.3.6
Kernel:      2.6.17-std26-smp-alt0.7
Devices
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HL-DT-ST DVDRAM GMA-4082N HA01 (/dev/hdb, ) at  [CD-R; CD-RW; CD-ROM; DVD-ROM;
DVD-RAM; 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-RAM; DVD-RW Restricted Overwrite;
DVD-RW Sequential; DVD+RW; DVD+R; DVD+R Double Layer; CD-ROM; CD-R; CD-RW] [SAO;
TAO; RAW; SAO/R96P; SAO/R96R; RAW/R16; RAW/R96P; RAW/R96R; Restricted Overwrite]

Used versions
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growisofs: 6.1
mkisofs: 2.1.1a03

growisofs
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:-( unable to anonymously mmap 33554432: Resource temporarily unavailable

growisofs command:
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/usr/bin/growisofs -M /dev/hdb -use-the-force-luke=notray
-use-the-force-luke=tty -speed=4 -use-the-force-luke=bufsize:32m -gui
-graft-points -volid K3b data project -volset  -appid K3B THE CD KREATOR (C)
1998-2005 SEBASTIAN TRUEG AND THE K3B TEAM -publisher  -preparer  -sysid LINUX
-volset-size 1 -volset-seqno 1 -sort /tmp/.private/rider/kde-rider/k3bJmXYxa.tmp
-rational-rock -hide-list /tmp/.private/rider/kde-rider/k3bEsynMb.tmp -joliet
-hide-joliet-list /tmp/.private/rider/kde-rider/k3bZuV5eb.tmp
-full-iso9660-filenames -iso-level 2 -path-list
/tmp/.private/rider/kde-rider/k3b5W76ha.tmp