http://bugzilla.novell.com/show_bug.cgi?id=548124 Summary: KVM: Guest networking using TAP interfaces on a bridge is broken Classification: openSUSE Product: openSUSE 11.2 Version: RC 1 Platform: x86-64 OS/Version: All Status: NEW Severity: Normal Priority: P5 - None Component: Other AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: frank.arnold@amd.com QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.14) Gecko/2009090905 Fedora/3.0.14-1.fc10 Firefox/3.0.14 Symptom: Guests are getting their network interfaces but don't get an answer from the DHCP server. Hints: We did see something like this for a while in our daily testing of git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git Approximate timeframe: Jun 10th (stopped working with commit f8e76fb) to July 31st (worked again, unfortunately I have no specific commit here). The current qemu-kvm.git is working with this setup. Host configuration (openSUSE 10.2 RC1 x86_64): /etc/sysconfig/network/ifcfg-eth0 NAME='Ethernet Card 0' STARTMODE='auto' USERCONTROL='no' /etc/sysconfig/network/ifcfg-br0 NAME='Bridge 0' BOOTPROTO='dhcp' BRIDGE='yes' BRIDGE_PORTS='eth0' BRIDGE_FORWARDDELAY='0' STARTMODE='auto' USERCONTROL='no' /etc/qemu-ifup #!/bin/sh switch=$(/sbin/ip route list | awk '/^default / { print $5 }') /sbin/ifconfig $1 0.0.0.0 up /sbin/brctl addif ${switch} $1 Guest networking flags (example): -net nic,macaddr=52:54:00:0F:7E:01 -net tap,ifname=tap0 Reproducible: Always -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.