[Bug 584048] Re: kvm images losing connectivity w/bridged network

2010-07-21 Thread fabrica64
This is my /etc/network/interfaces eth0 is connected to the local network, eth3 is reserved for the cluster (it's a redhat cluster), domain.it is not the real domain... I have no autostart network in libvirtd, the /etc/libvirtd/qemu/networks/default.xml is the standard one as installed by lucid l

[Bug 584048] Re: kvm images losing connectivity w/bridged network

2010-07-21 Thread fabrica64
It is not a KVM bug, it is a bridge bug, affecting adding and removing interfaces from the bridge. qemu-ifup and qemu-ifdown do so, and generates the bug, but it is not Windows or Linux VM related, not either KVM related... -- kvm images losing connectivity w/bridged network https://bugs.launchpa

[Bug 584048] Re: kvm images losing connectivity w/bridged network

2010-07-16 Thread fabrica64
Yesterday I saw another strange behavior. I shutdown VM once a day to make a backup and I adjusted my scripts for the 1-10 min network freeze, but yesterday the network did not unfreeze at all. I restarted the machine and the network continued to be frozen! I had to physically power off the machin

[Bug 584048] Re: kvm images losing connectivity w/bridged network

2010-07-02 Thread fabrica64
It is a bridge problem. I get the same freeze if I delete a tap interface from the bridge. I was trying to use a "static" tap interface and use it from the virtual machine, then I executed the command: # brctl delif br0 tap0 and suddenly the network frozen in the same exact way, so I suppose that