This still seems to be pretty broken in Intrepid. I don't think this
script could ever have possibly worked.
** Changed in: kvm (Ubuntu)
Importance: Undecided => Medium
Status: Confirmed => Triaged
** Summary changed:
- kvm-ifup fails to bring up tap0 in feisty
+ kvm-ifup fails to ini
The script assumes that a bridge already exists and is the default route.
Adding this to the /etc/network/interfaces should get past this problem:
auto br0
iface br0 inet dhcp
bridge_ports eth0 eth1
bridge_stp off
bridge_maxwait 5
Replace 'eth0 eth1' with the physical interfaces you want in the
The script assumes that a bridge already exists and is the default route.
Adding this to the /etc/network/interfaces should get past this problem:
auto br0
iface br0 inet dhcp
bridge_ports eth0 eth1
bridge_stp off
bridge_maxwait 5
Replace 'eth0 eth1' with the physical interfaces you want in the
Running Gutsy (7.10) 32bit.
I start the guest with:
kvm -hda guest.img -m 1024 -net nic -net tap
Starting the guest gives the same error:
can't add tap0 to bridge eth1: Operation not supported
But the tap0 device exists:
7: tap0: mtu 1500 qdisc pfifo_fast qlen 500
link/ether 00:ff:87:13:
I had a similar problem (Gutsy/AMD64, 2.6.22-14-generic, kvm
1:16-1ubuntu2), in that tap0 wasn't visible (ifconfig -a) on my host,
and kvm reported "can't add tap0 to bridge eth1: Operation not
supported" when starting.
However, after my host finished booting and everything network related
had fin
Just to add, given more hints on where to look, I am willing to provide
a patch myself.
--
kvm-ifup fails to bring up tap0 in feisty
https://bugs.launchpad.net/bugs/125302
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.
--
ubuntu-
Hello,
I am on Gutsy. The original complaint is likely wrong, in that executing
ifconfig tap0 0.0.0.0 up of course won't work, because tap0 will be
deleted again after the failure.
But /etc/kvm/kvm-ifup script is also most likely wrong, because it
doesn't give a bridge to brctl, but instead the "
I sincerly doubt that the code can possibly work as it is. It's in
violation of the man page of brctl and I am the second to experience its
failure.
** Changed in: kvm (Ubuntu)
Status: Invalid => Confirmed
--
kvm-ifup fails to bring up tap0 in feisty
https://bugs.launchpad.net/bugs/125302
Your script is not correct. eth1 is a physical device, not a bridge.
** Changed in: kvm (Ubuntu)
Status: New => Invalid
--
kvm-ifup fails to bring up tap0 in feisty
https://bugs.launchpad.net/bugs/125302
You received this bug notification because you are a member of Ubuntu
Bugs, which is