partition resizer daemon crashes while resizing a partition (Installation from USBStick, created with Unetbootin)

Binary package hint: devicekit-disks

Ubuntu 9.10 Netbook Remix x86
I created A bootable USB Stick with Unetbootin, and booted my laptop. I started the installation, and selected to resize an existing partition (Backtrack 4 pre final was allready installed). the partition resizer started, but at 50% nothing happened anymore and finally it crashed after a while.

ProblemType: Crash
.etc.fstab:
 aufs / aufs rw 0 0
 tmpfs /tmp tmpfs nosuid,nodev 0 0
 /dev/sda5 swap swap defaults 0 0
Architecture: i386
Date: Wed Dec 30 16:21:47 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/devicekit-disks/devkit-disks-daemon
LiveMediaBuild: Ubuntu-Netbook-Remix 9.10 "Karmic Koala" - Release i386 (20091028.4)
MachineType: ASUSTeK Computer INC. 1008HA
Package: devicekit-disks 007-2ubuntu3
ProcCmdLine: initrd=/ubninit file=/cdrom/preseed/netbook-remix.seed boot=casper quiet splash -- BOOT_IMAGE=/ubnkern
ProcCmdline: /usr/lib/devicekit-disks/devkit-disks-daemon
ProcEnviron:

ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SegvAnalysis:
 Segfault happened at: 0x371f1d <dbus_g_method_return_error+29>: mov 0x10(%esi),%edi
 PC (0x00371f1d) ok
 source "0x10(%esi)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: devicekit-disks
StacktraceTop:
 dbus_g_method_return_error ()
 ?? ()
 ?? ()
 ?? ()
 ?? ()
Tags: ubuntu-unr
Title: devkit-disks-daemon crashed with SIGSEGV in dbus_g_method_return_error()
Uname: Linux 2.6.31-14-generic i686
UserGroups:

dmi.bios.date: 04/27/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0302
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1008HA
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0302:bd04/27/2009:svnASUSTeKComputerINC.:pn1008HA:pvrx.x:rvnASUSTeKComputerINC.:rn1008HA:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1008HA
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.