id summary reporter owner description type status component version resolution keywords cc guest host 1777 createrawvmdk returns 'ERROR: VMDK: cannot go backwards for partitioning information' Joe Bertoli Pimentel "Trying to create a raw disk from my Windows XP partition to work on a Linux Guest OS and following the instructions posted on the forum from people that succeed doing the same thing I am trying (http://forums.virtualbox.org/viewtopic.php?p=25200), after solving some pre-req issues, I end up with this error that people told me to open a new ticket here: First, some info about the environment: Ubuntu Hardy Heron 8.04 {{{ user@machine:~$ uname -a Linux machine 2.6.24-16-generic #1 SMP Thu Apr 10 13:23:42 UTC 2008 i686 GNU/Linux user@machine:~$ VBoxManage --version 1.6.2r31466 user@machine:~$ fdisk -l /dev/sda Disco /dev/sda: 80.0 GB, 80032038912 bytes 255 heads, 63 sectors/track, 9730 cylinders Units = cilindros of 16065 * 512 = 8225280 bytes Disk identifier: 0xcccdcccd Dispositivo Boot Início Fim Blocos Id Sistema /dev/sda1 1 3040 24418768+ 7 HPFS ou NTFS /dev/sda2 3041 4864 14651280 83 Linux /dev/sda3 * 4865 6823 15735667+ bf Solaris /dev/sda4 6824 9730 23350477+ 5 Estendida /dev/sda5 6824 9208 19157449+ 83 Linux /dev/sda6 9209 9730 4192965 82 Linux swap / Solaris user@machine:~$ VBoxManage internalcommands listpartitions -rawdisk /dev/sda VirtualBox Command Line Management Interface Version 1.6.2 (C) 2005-2008 Sun Microsystems, Inc. All rights reserved. Number Type StartCHS EndCHS Size (MiB) Start (Sect) 1 0x07 0 /1 /1 1023/254/63 23846 63 2 0x83 1023/0 /1 1023/254/63 14307 48837600 3 0xbf 1023/0 /1 1023/254/63 15366 78140160 5 0x83 1023/254/63 1023/254/63 18708 109611621 6 0x82 1023/254/63 1023/254/63 4094 147926520 }}} And now the createrawvmdk try: {{{ user@machine:~$ sudo VBoxManage internalcommands createrawvmdk -filename /home/user/WinXPFromPart1.vmdk -rawdisk /dev/sda -partitions 1 -mbr /home/user/fakeMBR.mbr VirtualBox Command Line Management Interface Version 1.6.2 (C) 2005-2008 Sun Microsystems, Inc. All rights reserved. ERROR: VMDK: cannot go backwards for partitioning information in '/home/user/WinXPFromPart1.vmdk' Error code VERR_INVALID_PARAMETER at /home/vbox/vbox-1.6.2/src/VBox/Devices/Storage/VmdkHDDCore.cpp(2518) in function int vmdkCreateRawImage(VMDKIMAGE*, VBOXHDDRAW*, uint64_t) Error while creating the raw disk VMDK: VERR_INVALID_PARAMETER }}} It is really a bug or there is some other configuration to workaround the problem? Thanks in advance..." defect closed virtual disk VirtualBox 1.6.2 fixed other other