Public bug reported:
Binary package hint: virt-manager
virt-manager fails to create virtual networks (specifically the bridge
device) when ipv6 is not present or disabled (in my case with
ipv6.disable=1 on the kernel cmdline to work around some silly NFS
bugs).
Steps to Reproduce:
1) Start virt-manager
2) Right click on 'localhost', select "details', go to the 'Virtual Networks'
tab
3) Select the 'default' network, click on the 'Play/Run' button
Expected Behaviour:
virt manager should create the bridged interface as defined in the
default configuration
Actual Behaviour:
An error dialog with the following message pops up and the interface is
not created:
Error starting network: cannot disable
/proc/sys/net/ipv6/conf/virbr0/accept_ra: No such file or directory
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/host.py", line 401, in start_network
net.start()
File "/usr/share/virt-manager/virtManager/network.py", line 97, in start
self.net.create()
File "/usr/lib/python2.6/dist-packages/libvirt.py", line 866, in create
if ret == -1: raise libvirtError ('virNetworkCreate() failed', net=self)
libvirtError: cannot disable /proc/sys/net/ipv6/conf/virbr0/accept_ra: No such
file or directory
Because there is no virtual interface, virt-manager refuses to start any VMs.
m...@krypton:~$ lsb_release -rd
Description: Ubuntu 10.10
Release: 10.10
m...@krypton:~$ apt-cache policy virt-manager
virt-manager:
Installed: 0.8.4-7ubuntu1.1
Candidate: 0.8.4-7ubuntu1.1
Version table:
*** 0.8.4-7ubuntu1.1 0
500 http://xenon/ubuntu/ maverick-updates/main amd64 Packages
100 /var/lib/dpkg/status
0.8.4-7ubuntu1 0
500 http://xenon/ubuntu/ maverick/main amd64 Packages
** Affects: virt-manager (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/696936
Title:
virt-manager fails to create virtual network when ipv6 is disabled
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