Re: [Qemu-devel] accidental mistyping of command line kills networking

2009-10-28 Thread Gleb Natapov
On Wed, Oct 28, 2009 at 10:55:50AM +0200, Avi Kivity wrote: > On 10/28/2009 10:34 AM, Gleb Natapov wrote: > > > >>It shouldn't kill networking though. If a guest has two nics > >>connected to the same host bridge (a reasonable configuration), and > >>then connects these two nics through its own br

Re: [Qemu-devel] accidental mistyping of command line kills networking

2009-10-28 Thread Avi Kivity
On 10/28/2009 10:34 AM, Gleb Natapov wrote: It shouldn't kill networking though. If a guest has two nics connected to the same host bridge (a reasonable configuration), and then connects these two nics through its own bridge, it creates the same sort of loop. If that kills networking, we have

Re: [Qemu-devel] accidental mistyping of command line kills networking

2009-10-28 Thread Gleb Natapov
On Wed, Oct 28, 2009 at 08:29:42AM +0200, Avi Kivity wrote: > On 10/27/2009 11:44 PM, Anthony Liguori wrote: > > > >It's actually not okay. You're creating a bridge with two tap > >devices on the bridge that happen to be connected in qemu by a > >vlan. If one tap device receives a packet, qemu is

Re: [Qemu-devel] accidental mistyping of command line kills networking

2009-10-27 Thread Avi Kivity
On 10/27/2009 11:44 PM, Anthony Liguori wrote: It's actually not okay. You're creating a bridge with two tap devices on the bridge that happen to be connected in qemu by a vlan. If one tap device receives a packet, qemu is going to forward that packet to the other tap device, which will in

Re: [Qemu-devel] accidental mistyping of command line kills networking

2009-10-27 Thread Anthony Liguori
Beth Kon wrote: Beth Kon wrote: I accidentally entered a command line as follows: /usr/bin/qemu-kvm -drive file=/scratch/images/beth/windows/win2k3_32_R2.dat.10G.img,if=ide -m 2048 -boot cd -net nic,model=rtl8139 -net tap,script=/etc/qemu-ifup -vnc :12 -usbdevice tablet -monitor stdio -net n

Re: [Qemu-devel] accidental mistyping of command line kills networking

2009-10-27 Thread Beth Kon
Beth Kon wrote: I accidentally entered a command line as follows: /usr/bin/qemu-kvm -drive file=/scratch/images/beth/windows/win2k3_32_R2.dat.10G.img,if=ide -m 2048 -boot cd -net nic,model=rtl8139 -net tap,script=/etc/qemu-ifup -vnc :12 -usbdevice tablet -monitor stdio -net nic,model=e1000 -n

[Qemu-devel] accidental mistyping of command line kills networking

2009-10-27 Thread Beth Kon
I accidentally entered a command line as follows: /usr/bin/qemu-kvm -drive file=/scratch/images/beth/windows/win2k3_32_R2.dat.10G.img,if=ide -m 2048 -boot cd -net nic,model=rtl8139 -net tap,script=/etc/qemu-ifup -vnc :12 -usbdevice tablet -monitor stdio -net nic,model=e1000 -net tap,script=/e