BSD under KVM with 2 NIC'S

BSD under KVM with 2 NIC'S

[Vadim Korschok]

Hi all,

i'm trying to install OpenBSD, FreeBSD under a Gentoo 2.6.26-r2 with KVM-77. The installation works quite well if i'm using one nic.
If i try to boot the .iso with 2 nic's the machine freeze, and the cpu goes to 100%.

localhost # kvm -hda fw0-ext.img -boot d -cdrom openbsd-4.3-amd64.iso -m 512 -net nic,model=e1000 -net tap -net nic,model=e1000 -net tap -vnc :0

I have tested it with FreeBSD 7.0 x86_64, OpenBSD 4.2/4.3 x86_64, OpenBSD 4.3 i386 same result, freezing.

Host:

Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
MemTotal:      3985152 kB

localhost images # brctl show
bridge name     bridge id               STP enabled     interfaces
br0             8000.001fd024d4d3       no              eth0
                                                        tap0
                                                        tap1
                                                        tap2

Thanks in advance.

Re: BSD under KVM with 2 NIC'S

[Chris Wright]

* Vadim Korschok (korschok@caritas-geldern.de) wrote:
> i'm trying to install OpenBSD, FreeBSD under a Gentoo 2.6.26-r2 with KVM-77. The installation works quite well if i'm using one nic.
> If i try to boot the .iso with 2 nic's the machine freeze, and the cpu goes to 100%.
> 
> localhost # kvm -hda fw0-ext.img -boot d -cdrom openbsd-4.3-amd64.iso -m 512 -net nic,model=e1000 -net tap -net nic,model=e1000 -net tap -vnc :0

try vlan, like:

kvm -hda fw0-ext.img -boot d -cdrom openbsd-4.3-amd64.iso -m 512 -net nic,vlan=0,model=e1000 -net tap,vlan=0 -net nic,vlan=1,model=e1000 -net tap,vlan=1 -vnc :0

I think you've created a broadcast storm.

thanks,
-chris