[Pkg-libvirt-maintainers] Bug#565767: libvirt-bin: VM doesn't work after upgrade: qemu: Could not initialize device 'tap'

Tino Keitel tino.keitel+debbugs at tikei.de
Mon Jan 18 18:00:46 UTC 2010


Package: libvirt-bin
Version: 0.7.5-4
Severity: normal

My VMs with tap device network emulation don't work after upgrading from
0.7.2 in squeeze to the sid version. I get a requester with this message:

Error starting domain: internal error unable to start guest: warning: could
not configure /dev/net/tun: no virtual network emulation
qemu: Could not initialize device 'tap'

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 588, in
run_domain
    vm.startup()
  File "/usr/share/virt-manager/virtManager/domain.py", line 150, in startup
    self._backend.create()
  File "/usr/lib/python2.5/site-packages/libvirt.py", line 293, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error unable to start guest: warning: could not
configure /dev/net/tun: no virtual network emulation
qemu: Could not initialize device 'tap'

My network configuration in the VM looks like this:

    <interface type='ethernet'>
      <mac address='54:52:00:3a:13:4b'/>
      <target dev='m0d0'/>
      <model type='e1000'/>
    </interface>


-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.30-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages libvirt-bin depends on:
ii  adduser           3.111                  add and remove users and groups
ii  hal               0.5.13-4               Hardware Abstraction Layer
ii  libavahi-client3  0.6.25-1               Avahi client library
ii  libavahi-common3  0.6.25-1               Avahi common library
ii  libc6             2.10.1-7               GNU C Library: Shared libraries
ii  libcap-ng0        0.6.2-3                Development and header files for l
ii  libdevmapper1.02. 2:1.02.39-1            The Linux Kernel Device Mapper use
ii  libgcrypt11       1.4.4-5                LGPL Crypto library - runtime libr
ii  libgnutls26       2.8.4-2                the GNU TLS library - runtime libr
ii  libparted1.8-12   1.8.8.git.2009.07.19-5 The GNU Parted disk partitioning s
ii  libpciaccess0     0.10.9-1               Generic PCI access library for X
ii  libreadline6      6.0-5                  GNU readline and history libraries
ii  libsasl2-2        2.1.23.dfsg1-2         Cyrus SASL - authentication abstra
ii  libudev0          146-5                  libudev shared library
ii  libuuid1          2.16.1-4               Universally Unique ID library
ii  libvirt0          0.7.5-4                library for interfacing with diffe
ii  libxenstore3.0    3.4.0-2                Xenstore communications library fo
ii  libxml2           2.7.6.dfsg-1           GNOME XML library
ii  logrotate         3.7.8-4                Log rotation utility

Versions of packages libvirt-bin recommends:
ii  bridge-utils                  1.4-5      Utilities for configuring the Linu
ii  dnsmasq-base                  2.51-1     A small caching DNS proxy and DHCP
ii  iptables                      1.4.4-2    administration tools for packet fi
ii  netcat-openbsd                1.89-3     TCP/IP swiss army knife
ii  qemu                          0.11.1-2   fast processor emulator

Versions of packages libvirt-bin suggests:
ii  policykit-1                   0.95-1     framework for managing administrat

-- debconf-show failed





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