Comment 5 for bug 1006655

root@ulisse:/mnt# qemu-img convert -pO vmdk -o subformat=streamOptimized /dev/sdd optimized.vmdk
qemu-img: Could not write to allocated cluster for streamOptimized
qemu-img: error while writing sector 10: Input/output error

root@ulisse:/mnt# dpkg-query -s qemu-kvm
Package: qemu-kvm
Status: install ok installed
Priority: optional
Section: otherosfs
Installed-Size: 97
Maintainer: Ubuntu Developers <email address hidden>
Architecture: amd64
Multi-Arch: foreign
Source: qemu
Version: 2.0.0+dfsg-2ubuntu1.10
Replaces: qemu-kvm-spice, qemu-system-x86 (<< 1.7.0+dfsg-2~)
Provides: kvm, qemu-kvm-spice
Depends: qemu-system-x86 (>= 1.7.0+dfsg-2~)
Breaks: qemu-system-x86 (<< 1.7.0+dfsg-2~)
Conflicts: kvm, qemu-kvm-spice
Description: QEMU Full virtualization on x86 hardware (transitional package)
 QEMU is a fast processor emulator. This package provides just a wrapper
 script /usr/bin/kvm which run qemu-system-x86 in kvm mode.
 .
 Please note that old qemu-kvm configuration files (in /etc/kvm/) are
 no longer used.
Homepage: http://www.qemu.org/
Original-Maintainer: Debian QEMU Team <email address hidden>

root@ulisse:/mnt# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"