Public bug reported:

package:
ubuntu-vm-builder_0.12.4+bzr477

real package:
python-vm-builder_0.12.4+bzr477

running on:
Ubuntu 12.04 LTS

by running the following command (just a test):
$ sudo vmbuilder kvm ubuntu --suite precise --flavour server --libvirt 
qemu:///system

is triggered the following exception:
W: Failure trying to run: chroot /tmp/tmprLI6UB mount -t proc proc /proc
Traceback (most recent call last):
  File "/usr/bin/vmbuilder", line 24, in <module>
    cli.main()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/contrib/cli.py", line 216, 
in main
    distro.build_chroot()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 83, in 
build_chroot
    self.call_hooks('bootstrap')
  File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 67, in 
call_hooks
    call_hooks(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 165, in 
call_hooks
    getattr(context, func, log_no_such_method)(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/distro.py", 
line 136, in bootstrap
    self.suite.debootstrap()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/dapper.py", 
line 269, in debootstrap
    run_cmd(*cmd, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 120, in 
run_cmd
    raise VMBuilderException, "Process (%s) returned %d. stdout: %s, stderr: 
%s" % (args.__repr__(), status, mystdout.buf, mystderr.buf)
VMBuilder.exception.VMBuilderException: Process (['/usr/sbin/debootstrap', 
'--arch=amd64', 'precise', '/tmp/tmprLI6UB', 
'http://archive.ubuntu.com/ubuntu']) returned 1

- debootstrap may be the culprit its version is 1.0.39ubuntu0.1
- the targeted folder is a correct root folder
- /proc is a correct proc folder

complete output: 
2012-05-13 13:56:04,184 INFO    : Calling hook: preflight_check
2012-05-13 13:56:04,186 INFO    : Calling hook: set_defaults
2012-05-13 13:56:04,186 INFO    : Calling hook: bootstrap
2012-05-13 13:57:12,195 INFO    : Cleaning up
2012-05-13 13:57:12,195 ERROR   : Process (['/usr/sbin/debootstrap', 
'--arch=amd64', 'precise', '/tmp/tmprLI6UB', 
'http://archive.ubuntu.com/ubuntu']) returned 1. stdout: I: Retrieving Release
I: Retrieving Release.gpg
I: Checking Release signature
I: Valid Release signature (key id 630239CC130E1A7FD81A27B140976EAF437D05B5)
I: Retrieving Packages
I: Validating Packages
I: Resolving dependencies of required packages...
I: Resolving dependencies of base packages...
I: Checking component main on http://archive.ubuntu.com/ubuntu...
I: Retrieving adduser
I: Validating adduser
I: Retrieving apt
I: Validating apt
I: Retrieving apt-utils
I: Validating apt-utils
I: Retrieving base-files
I: Validating base-files
I: Retrieving base-passwd
I: Validating base-passwd
I: Retrieving bash
I: Validating bash
I: Retrieving bsdutils
I: Validating bsdutils
I: Retrieving busybox-initramfs
I: Validating busybox-initramfs
I: Retrieving bzip2
I: Validating bzip2
I: Retrieving console-setup
I: Validating console-setup
I: Retrieving coreutils
I: Validating coreutils
I: Retrieving cpio
I: Validating cpio
I: Retrieving cron
I: Validating cron
I: Retrieving dash
I: Validating dash
I: Retrieving debconf
I: Validating debconf
I: Retrieving debconf-i18n
I: Validating debconf-i18n
I: Retrieving debianutils
I: Validating debianutils
I: Retrieving diffutils
I: Validating diffutils
I: Retrieving dmsetup
I: Validating dmsetup
I: Retrieving dpkg
I: Validating dpkg
I: Retrieving e2fslibs
I: Validating e2fslibs
I: Retrieving e2fsprogs
I: Validating e2fsprogs
I: Retrieving eject
I: Validating eject
I: Retrieving file
I: Validating file
I: Retrieving findutils
I: Validating findutils
I: Retrieving gcc-4.6-base
I: Validating gcc-4.6-base
I: Retrieving gnupg
I: Validating gnupg
I: Retrieving gpgv
I: Validating gpgv
I: Retrieving grep
I: Validating grep
I: Retrieving gzip
I: Validating gzip
I: Retrieving hostname
I: Validating hostname
I: Retrieving ifupdown
I: Validating ifupdown
I: Retrieving initramfs-tools
I: Validating initramfs-tools
I: Retrieving initramfs-tools-bin
I: Validating initramfs-tools-bin
I: Retrieving initscripts
I: Validating initscripts
I: Retrieving insserv
I: Validating insserv
I: Retrieving iproute
I: Validating iproute
I: Retrieving iputils-ping
I: Validating iputils-ping
I: Retrieving isc-dhcp-client
I: Validating isc-dhcp-client
I: Retrieving isc-dhcp-common
I: Validating isc-dhcp-common
I: Retrieving kbd
I: Validating kbd
I: Retrieving keyboard-configuration
I: Validating keyboard-configuration
I: Retrieving klibc-utils
I: Validating klibc-utils
I: Retrieving less
I: Validating less
I: Retrieving libacl1
I: Validating libacl1
I: Retrieving libapt-inst1.4
I: Validating libapt-inst1.4
I: Retrieving libapt-pkg4.12
I: Validating libapt-pkg4.12
I: Retrieving libattr1
I: Validating libattr1
I: Retrieving libblkid1
I: Validating libblkid1
I: Retrieving libbz2-1.0
I: Validating libbz2-1.0
I: Retrieving libc-bin
I: Validating libc-bin
I: Retrieving libc6
I: Validating libc6
I: Retrieving libcomerr2
I: Validating libcomerr2
I: Retrieving libdb5.1
I: Validating libdb5.1
I: Retrieving libdbus-1-3
I: Validating libdbus-1-3
I: Retrieving libdevmapper1.02.1
I: Validating libdevmapper1.02.1
I: Retrieving libdrm-intel1
I: Validating libdrm-intel1
I: Retrieving libdrm-nouveau1a
I: Validating libdrm-nouveau1a
I: Retrieving libdrm-radeon1
I: Validating libdrm-radeon1
I: Retrieving libdrm2
I: Validating libdrm2
I: Retrieving libelf1
I: Validating libelf1
I: Retrieving libexpat1
I: Validating libexpat1
I: Retrieving libffi6
I: Validating libffi6
I: Retrieving libfribidi0
I: Validating libfribidi0
I: Retrieving libgcc1
I: Validating libgcc1
I: Retrieving libglib2.0-0
I: Validating libglib2.0-0
I: Retrieving libklibc
I: Validating libklibc
I: Retrieving liblocale-gettext-perl
I: Validating liblocale-gettext-perl
I: Retrieving liblockfile-bin
I: Validating liblockfile-bin
I: Retrieving liblockfile1
I: Validating liblockfile1
I: Retrieving liblzma5
I: Validating liblzma5
I: Retrieving libmagic1
I: Validating libmagic1
I: Retrieving libmount1
I: Validating libmount1
I: Retrieving libncurses5
I: Validating libncurses5
I: Retrieving libncursesw5
I: Validating libncursesw5
I: Retrieving libnewt0.52
I: Validating libnewt0.52
I: Retrieving libnih-dbus1
I: Validating libnih-dbus1
I: Retrieving libnih1
I: Validating libnih1
I: Retrieving libpam-modules
I: Validating libpam-modules
I: Retrieving libpam-modules-bin
I: Validating libpam-modules-bin
I: Retrieving libpam-runtime
I: Validating libpam-runtime
I: Retrieving libpam0g
I: Validating libpam0g
I: Retrieving libpciaccess0
I: Validating libpciaccess0
I: Retrieving libpcre3
I: Validating libpcre3
I: Retrieving libplymouth2
I: Validating libplymouth2
I: Retrieving libpng12-0
I: Validating libpng12-0
I: Retrieving libpopt0
I: Validating libpopt0
I: Retrieving libreadline6
I: Validating libreadline6
I: Retrieving libselinux1
I: Validating libselinux1
I: Retrieving libslang2
I: Validating libslang2
I: Retrieving libsqlite3-0
I: Validating libsqlite3-0
I: Retrieving libss2
I: Validating libss2
I: Retrieving libssl1.0.0
I: Validating libssl1.0.0
I: Retrieving libstdc++6
I: Validating libstdc++6
I: Retrieving libtext-charwidth-perl
I: Validating libtext-charwidth-perl
I: Retrieving libtext-iconv-perl
I: Validating libtext-iconv-perl
I: Retrieving libtext-wrapi18n-perl
I: Validating libtext-wrapi18n-perl
I: Retrieving libtinfo5
I: Validating libtinfo5
I: Retrieving libudev0
I: Validating libudev0
I: Retrieving libusb-0.1-4
I: Validating libusb-0.1-4
I: Retrieving libuuid1
I: Validating libuuid1
I: Retrieving locales
I: Validating locales
I: Retrieving lockfile-progs
I: Validating lockfile-progs
I: Retrieving login
I: Validating login
I: Retrieving logrotate
I: Validating logrotate
I: Retrieving lsb-base
I: Validating lsb-base
I: Retrieving lsb-release
I: Validating lsb-release
I: Retrieving makedev
I: Validating makedev
I: Retrieving mawk
I: Validating mawk
I: Retrieving mime-support
I: Validating mime-support
I: Retrieving module-init-tools
I: Validating module-init-tools
I: Retrieving mount
I: Validating mount
I: Retrieving mountall
I: Validating mountall
I: Retrieving multiarch-support
I: Validating multiarch-support
I: Retrieving ncurses-base
I: Validating ncurses-base
I: Retrieving ncurses-bin
I: Validating ncurses-bin
I: Retrieving net-tools
I: Validating net-tools
I: Retrieving netbase
I: Validating netbase
I: Retrieving netcat-openbsd
I: Validating netcat-openbsd
I: Retrieving ntpdate
I: Validating ntpdate
I: Retrieving passwd
I: Validating passwd
I: Retrieving perl-base
I: Validating perl-base
I: Retrieving plymouth
I: Validating plymouth
I: Retrieving procps
I: Validating procps
I: Retrieving python
I: Validating python
I: Retrieving python-minimal
I: Validating python-minimal
I: Retrieving python2.7
I: Validating python2.7
I: Retrieving python2.7-minimal
I: Validating python2.7-minimal
I: Retrieving readline-common
I: Validating readline-common
I: Retrieving resolvconf
I: Validating resolvconf
I: Retrieving rsyslog
I: Validating rsyslog
I: Retrieving sed
I: Validating sed
I: Retrieving sensible-utils
I: Validating sensible-utils
I: Retrieving sudo
I: Validating sudo
I: Retrieving sysv-rc
I: Validating sysv-rc
I: Retrieving sysvinit-utils
I: Validating sysvinit-utils
I: Retrieving tar
I: Validating tar
I: Retrieving tzdata
I: Validating tzdata
I: Retrieving ubuntu-keyring
I: Validating ubuntu-keyring
I: Retrieving ubuntu-minimal
I: Validating ubuntu-minimal
I: Retrieving ucf
I: Validating ucf
I: Retrieving udev
I: Validating udev
I: Retrieving upstart
I: Validating upstart
I: Retrieving ureadahead
I: Validating ureadahead
I: Retrieving util-linux
I: Validating util-linux
I: Retrieving vim-common
I: Validating vim-common
I: Retrieving vim-tiny
I: Validating vim-tiny
I: Retrieving whiptail
I: Validating whiptail
I: Retrieving xkb-data
I: Validating xkb-data
I: Retrieving xz-utils
I: Validating xz-utils
I: Retrieving zlib1g
I: Validating zlib1g
I: Chosen extractor for .deb packages: dpkg-deb
I: Extracting adduser...
I: Extracting base-files...
I: Extracting base-passwd...
I: Extracting bash...
I: Extracting bsdutils...
I: Extracting busybox-initramfs...
I: Extracting coreutils...
I: Extracting cpio...
I: Extracting dash...
I: Extracting debconf...
I: Extracting debianutils...
I: Extracting diffutils...
I: Extracting dpkg...
I: Extracting e2fslibs...
I: Extracting e2fsprogs...
I: Extracting findutils...
I: Extracting gcc-4.6-base...
I: Extracting grep...
I: Extracting gzip...
I: Extracting hostname...
I: Extracting ifupdown...
I: Extracting initramfs-tools...
I: Extracting initramfs-tools-bin...
I: Extracting initscripts...
I: Extracting insserv...
I: Extracting iproute...
I: Extracting klibc-utils...
I: Extracting libacl1...
I: Extracting libattr1...
I: Extracting libblkid1...
I: Extracting libbz2-1.0...
I: Extracting libc-bin...
I: Extracting libc6...
I: Extracting libcomerr2...
I: Extracting libdb5.1...
I: Extracting libdbus-1-3...
I: Extracting libdrm-intel1...
I: Extracting libdrm-nouveau1a...
I: Extracting libdrm-radeon1...
I: Extracting libdrm2...
I: Extracting libelf1...
I: Extracting libffi6...
I: Extracting libgcc1...
I: Extracting libglib2.0-0...
I: Extracting libklibc...
I: Extracting liblzma5...
I: Extracting libmount1...
I: Extracting libncurses5...
I: Extracting libncursesw5...
I: Extracting libnih-dbus1...
I: Extracting libnih1...
I: Extracting libpam-modules...
I: Extracting libpam-modules-bin...
I: Extracting libpam-runtime...
I: Extracting libpam0g...
I: Extracting libpciaccess0...
I: Extracting libpcre3...
I: Extracting libplymouth2...
I: Extracting libpng12-0...
I: Extracting libselinux1...
I: Extracting libslang2...
I: Extracting libss2...
I: Extracting libssl1.0.0...
I: Extracting libtinfo5...
I: Extracting libudev0...
I: Extracting libuuid1...
I: Extracting locales...
I: Extracting login...
I: Extracting lsb-base...
I: Extracting makedev...
I: Extracting mawk...
I: Extracting module-init-tools...
I: Extracting mount...
I: Extracting mountall...
I: Extracting multiarch-support...
I: Extracting ncurses-base...
I: Extracting ncurses-bin...
I: Extracting passwd...
I: Extracting perl-base...
I: Extracting plymouth...
I: Extracting procps...
I: Extracting python-minimal...
I: Extracting python2.7-minimal...
I: Extracting sed...
I: Extracting sensible-utils...
I: Extracting sysv-rc...
I: Extracting sysvinit-utils...
I: Extracting tar...
I: Extracting tzdata...
I: Extracting udev...
I: Extracting upstart...
I: Extracting util-linux...
I: Extracting xz-utils...
I: Extracting zlib1g...
W: Failure trying to run: chroot /tmp/tmprLI6UB mount -t proc proc /proc
, stderr: 
Traceback (most recent call last):
  File "/usr/bin/vmbuilder", line 24, in <module>
    cli.main()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/contrib/cli.py", line 216, 
in main
    distro.build_chroot()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 83, in 
build_chroot
    self.call_hooks('bootstrap')
  File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 67, in 
call_hooks
    call_hooks(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 165, in 
call_hooks
    getattr(context, func, log_no_such_method)(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/distro.py", 
line 136, in bootstrap
    self.suite.debootstrap()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/dapper.py", 
line 269, in debootstrap
    run_cmd(*cmd, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 120, in 
run_cmd
    raise VMBuilderException, "Process (%s) returned %d. stdout: %s, stderr: 
%s" % (args.__repr__(), status, mystdout.buf, mystderr.buf)
VMBuilder.exception.VMBuilderException: Process (['/usr/sbin/debootstrap', 
'--arch=amd64', 'precise', '/tmp/tmprLI6UB', 
'http://archive.ubuntu.com/ubuntu']) returned 1. stdout: I: Retrieving Release
I: Retrieving Release.gpg
I: Checking Release signature
I: Valid Release signature (key id 630239CC130E1A7FD81A27B140976EAF437D05B5)
I: Retrieving Packages
I: Validating Packages
I: Resolving dependencies of required packages...
I: Resolving dependencies of base packages...
I: Checking component main on http://archive.ubuntu.com/ubuntu...
I: Retrieving adduser
I: Validating adduser
I: Retrieving apt
I: Validating apt
I: Retrieving apt-utils
I: Validating apt-utils
I: Retrieving base-files
I: Validating base-files
I: Retrieving base-passwd
I: Validating base-passwd
I: Retrieving bash
I: Validating bash
I: Retrieving bsdutils
I: Validating bsdutils
I: Retrieving busybox-initramfs
I: Validating busybox-initramfs
I: Retrieving bzip2
I: Validating bzip2
I: Retrieving console-setup
I: Validating console-setup
I: Retrieving coreutils
I: Validating coreutils
I: Retrieving cpio
I: Validating cpio
I: Retrieving cron
I: Validating cron
I: Retrieving dash
I: Validating dash
I: Retrieving debconf
I: Validating debconf
I: Retrieving debconf-i18n
I: Validating debconf-i18n
I: Retrieving debianutils
I: Validating debianutils
I: Retrieving diffutils
I: Validating diffutils
I: Retrieving dmsetup
I: Validating dmsetup
I: Retrieving dpkg
I: Validating dpkg
I: Retrieving e2fslibs
I: Validating e2fslibs
I: Retrieving e2fsprogs
I: Validating e2fsprogs
I: Retrieving eject
I: Validating eject
I: Retrieving file
I: Validating file
I: Retrieving findutils
I: Validating findutils
I: Retrieving gcc-4.6-base
I: Validating gcc-4.6-base
I: Retrieving gnupg
I: Validating gnupg
I: Retrieving gpgv
I: Validating gpgv
I: Retrieving grep
I: Validating grep
I: Retrieving gzip
I: Validating gzip
I: Retrieving hostname
I: Validating hostname
I: Retrieving ifupdown
I: Validating ifupdown
I: Retrieving initramfs-tools
I: Validating initramfs-tools
I: Retrieving initramfs-tools-bin
I: Validating initramfs-tools-bin
I: Retrieving initscripts
I: Validating initscripts
I: Retrieving insserv
I: Validating insserv
I: Retrieving iproute
I: Validating iproute
I: Retrieving iputils-ping
I: Validating iputils-ping
I: Retrieving isc-dhcp-client
I: Validating isc-dhcp-client
I: Retrieving isc-dhcp-common
I: Validating isc-dhcp-common
I: Retrieving kbd
I: Validating kbd
I: Retrieving keyboard-configuration
I: Validating keyboard-configuration
I: Retrieving klibc-utils
I: Validating klibc-utils
I: Retrieving less
I: Validating less
I: Retrieving libacl1
I: Validating libacl1
I: Retrieving libapt-inst1.4
I: Validating libapt-inst1.4
I: Retrieving libapt-pkg4.12
I: Validating libapt-pkg4.12
I: Retrieving libattr1
I: Validating libattr1
I: Retrieving libblkid1
I: Validating libblkid1
I: Retrieving libbz2-1.0
I: Validating libbz2-1.0
I: Retrieving libc-bin
I: Validating libc-bin
I: Retrieving libc6
I: Validating libc6
I: Retrieving libcomerr2
I: Validating libcomerr2
I: Retrieving libdb5.1
I: Validating libdb5.1
I: Retrieving libdbus-1-3
I: Validating libdbus-1-3
I: Retrieving libdevmapper1.02.1
I: Validating libdevmapper1.02.1
I: Retrieving libdrm-intel1
I: Validating libdrm-intel1
I: Retrieving libdrm-nouveau1a
I: Validating libdrm-nouveau1a
I: Retrieving libdrm-radeon1
I: Validating libdrm-radeon1
I: Retrieving libdrm2
I: Validating libdrm2
I: Retrieving libelf1
I: Validating libelf1
I: Retrieving libexpat1
I: Validating libexpat1
I: Retrieving libffi6
I: Validating libffi6
I: Retrieving libfribidi0
I: Validating libfribidi0
I: Retrieving libgcc1
I: Validating libgcc1
I: Retrieving libglib2.0-0
I: Validating libglib2.0-0
I: Retrieving libklibc
I: Validating libklibc
I: Retrieving liblocale-gettext-perl
I: Validating liblocale-gettext-perl
I: Retrieving liblockfile-bin
I: Validating liblockfile-bin
I: Retrieving liblockfile1
I: Validating liblockfile1
I: Retrieving liblzma5
I: Validating liblzma5
I: Retrieving libmagic1
I: Validating libmagic1
I: Retrieving libmount1
I: Validating libmount1
I: Retrieving libncurses5
I: Validating libncurses5
I: Retrieving libncursesw5
I: Validating libncursesw5
I: Retrieving libnewt0.52
I: Validating libnewt0.52
I: Retrieving libnih-dbus1
I: Validating libnih-dbus1
I: Retrieving libnih1
I: Validating libnih1
I: Retrieving libpam-modules
I: Validating libpam-modules
I: Retrieving libpam-modules-bin
I: Validating libpam-modules-bin
I: Retrieving libpam-runtime
I: Validating libpam-runtime
I: Retrieving libpam0g
I: Validating libpam0g
I: Retrieving libpciaccess0
I: Validating libpciaccess0
I: Retrieving libpcre3
I: Validating libpcre3
I: Retrieving libplymouth2
I: Validating libplymouth2
I: Retrieving libpng12-0
I: Validating libpng12-0
I: Retrieving libpopt0
I: Validating libpopt0
I: Retrieving libreadline6
I: Validating libreadline6
I: Retrieving libselinux1
I: Validating libselinux1
I: Retrieving libslang2
I: Validating libslang2
I: Retrieving libsqlite3-0
I: Validating libsqlite3-0
I: Retrieving libss2
I: Validating libss2
I: Retrieving libssl1.0.0
I: Validating libssl1.0.0
I: Retrieving libstdc++6
I: Validating libstdc++6
I: Retrieving libtext-charwidth-perl
I: Validating libtext-charwidth-perl
I: Retrieving libtext-iconv-perl
I: Validating libtext-iconv-perl
I: Retrieving libtext-wrapi18n-perl
I: Validating libtext-wrapi18n-perl
I: Retrieving libtinfo5
I: Validating libtinfo5
I: Retrieving libudev0
I: Validating libudev0
I: Retrieving libusb-0.1-4
I: Validating libusb-0.1-4
I: Retrieving libuuid1
I: Validating libuuid1
I: Retrieving locales
I: Validating locales
I: Retrieving lockfile-progs
I: Validating lockfile-progs
I: Retrieving login
I: Validating login
I: Retrieving logrotate
I: Validating logrotate
I: Retrieving lsb-base
I: Validating lsb-base
I: Retrieving lsb-release
I: Validating lsb-release
I: Retrieving makedev
I: Validating makedev
I: Retrieving mawk
I: Validating mawk
I: Retrieving mime-support
I: Validating mime-support
I: Retrieving module-init-tools
I: Validating module-init-tools
I: Retrieving mount
I: Validating mount
I: Retrieving mountall
I: Validating mountall
I: Retrieving multiarch-support
I: Validating multiarch-support
I: Retrieving ncurses-base
I: Validating ncurses-base
I: Retrieving ncurses-bin
I: Validating ncurses-bin
I: Retrieving net-tools
I: Validating net-tools
I: Retrieving netbase
I: Validating netbase
I: Retrieving netcat-openbsd
I: Validating netcat-openbsd
I: Retrieving ntpdate
I: Validating ntpdate
I: Retrieving passwd
I: Validating passwd
I: Retrieving perl-base
I: Validating perl-base
I: Retrieving plymouth
I: Validating plymouth
I: Retrieving procps
I: Validating procps
I: Retrieving python
I: Validating python
I: Retrieving python-minimal
I: Validating python-minimal
I: Retrieving python2.7
I: Validating python2.7
I: Retrieving python2.7-minimal
I: Validating python2.7-minimal
I: Retrieving readline-common
I: Validating readline-common
I: Retrieving resolvconf
I: Validating resolvconf
I: Retrieving rsyslog
I: Validating rsyslog
I: Retrieving sed
I: Validating sed
I: Retrieving sensible-utils
I: Validating sensible-utils
I: Retrieving sudo
I: Validating sudo
I: Retrieving sysv-rc
I: Validating sysv-rc
I: Retrieving sysvinit-utils
I: Validating sysvinit-utils
I: Retrieving tar
I: Validating tar
I: Retrieving tzdata
I: Validating tzdata
I: Retrieving ubuntu-keyring
I: Validating ubuntu-keyring
I: Retrieving ubuntu-minimal
I: Validating ubuntu-minimal
I: Retrieving ucf
I: Validating ucf
I: Retrieving udev
I: Validating udev
I: Retrieving upstart
I: Validating upstart
I: Retrieving ureadahead
I: Validating ureadahead
I: Retrieving util-linux
I: Validating util-linux
I: Retrieving vim-common
I: Validating vim-common
I: Retrieving vim-tiny
I: Validating vim-tiny
I: Retrieving whiptail
I: Validating whiptail
I: Retrieving xkb-data
I: Validating xkb-data
I: Retrieving xz-utils
I: Validating xz-utils
I: Retrieving zlib1g
I: Validating zlib1g
I: Chosen extractor for .deb packages: dpkg-deb
I: Extracting adduser...
I: Extracting base-files...
I: Extracting base-passwd...
I: Extracting bash...
I: Extracting bsdutils...
I: Extracting busybox-initramfs...
I: Extracting coreutils...
I: Extracting cpio...
I: Extracting dash...
I: Extracting debconf...
I: Extracting debianutils...
I: Extracting diffutils...
I: Extracting dpkg...
I: Extracting e2fslibs...
I: Extracting e2fsprogs...
I: Extracting findutils...
I: Extracting gcc-4.6-base...
I: Extracting grep...
I: Extracting gzip...
I: Extracting hostname...
I: Extracting ifupdown...
I: Extracting initramfs-tools...
I: Extracting initramfs-tools-bin...
I: Extracting initscripts...
I: Extracting insserv...
I: Extracting iproute...
I: Extracting klibc-utils...
I: Extracting libacl1...
I: Extracting libattr1...
I: Extracting libblkid1...
I: Extracting libbz2-1.0...
I: Extracting libc-bin...
I: Extracting libc6...
I: Extracting libcomerr2...
I: Extracting libdb5.1...
I: Extracting libdbus-1-3...
I: Extracting libdrm-intel1...
I: Extracting libdrm-nouveau1a...
I: Extracting libdrm-radeon1...
I: Extracting libdrm2...
I: Extracting libelf1...
I: Extracting libffi6...
I: Extracting libgcc1...
I: Extracting libglib2.0-0...
I: Extracting libklibc...
I: Extracting liblzma5...
I: Extracting libmount1...
I: Extracting libncurses5...
I: Extracting libncursesw5...
I: Extracting libnih-dbus1...
I: Extracting libnih1...
I: Extracting libpam-modules...
I: Extracting libpam-modules-bin...
I: Extracting libpam-runtime...
I: Extracting libpam0g...
I: Extracting libpciaccess0...
I: Extracting libpcre3...
I: Extracting libplymouth2...
I: Extracting libpng12-0...
I: Extracting libselinux1...
I: Extracting libslang2...
I: Extracting libss2...
I: Extracting libssl1.0.0...
I: Extracting libtinfo5...
I: Extracting libudev0...
I: Extracting libuuid1...
I: Extracting locales...
I: Extracting login...
I: Extracting lsb-base...
I: Extracting makedev...
I: Extracting mawk...
I: Extracting module-init-tools...
I: Extracting mount...
I: Extracting mountall...
I: Extracting multiarch-support...
I: Extracting ncurses-base...
I: Extracting ncurses-bin...
I: Extracting passwd...
I: Extracting perl-base...
I: Extracting plymouth...
I: Extracting procps...
I: Extracting python-minimal...
I: Extracting python2.7-minimal...
I: Extracting sed...
I: Extracting sensible-utils...
I: Extracting sysv-rc...
I: Extracting sysvinit-utils...
I: Extracting tar...
I: Extracting tzdata...
I: Extracting udev...
I: Extracting upstart...
I: Extracting util-linux...
I: Extracting xz-utils...
I: Extracting zlib1g...
W: Failure trying to run: chroot /tmp/tmprLI6UB mount -t proc proc /proc
, stderr:

** Affects: vm-builder (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: python-vm-builder vmbuilder

-- 
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to vm-builder in Ubuntu.
https://bugs.launchpad.net/bugs/998732

Title:
  vmbuilder debootstrap crash

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