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From: | Aleksei |
Subject: | Re: [Qemu-discuss] Defining a bridge |
Date: | Mon, 17 Oct 2016 19:10:11 +0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
I didn't even notice before that you're emulating ARM :) It
should indeed be "-device virtio-net-device,netdev=net0 \" then
- it is placed on virtio-bus instead of PCI. Can you run "lsmod
| grep virtio" in Debian and also post your Debian's kernel
version? Just to be sure that you're all good with bridging stuff - can
you run "ip l l" in Ubuntu (when your Debian VM is running) and
see if there are both bridge0 and tap0 interfaces present? If
they are, then the only problem is Debian not seeing virtio-bus
and/or virtio NIC. --Regards, Aleksei
From: Jerry Stuckle Sent: Monday, October 17, 2016 5:36PM To: Aleksei Subject: Re: [Qemu-discuss] Defining a bridge On 10/17/2016 2:07 AM, Aleksei wrote: Hi,-device virtio-net-device,netdev=net0 \This should be -device virtio-net,netdev=net0 \ /--Regards, Aleksei/ Hi, Aleksei, Thanks for the response. That was one of the many things I had tried before (really too many failures to list here :) ), but that fails with qemu-system-arm: -device virtio-net,netdev=net0: No 'PCI' bus found for device 'virtio-net-pci' Which is correct because ARM devices do not have a PCI bus. Jerry ------------------------------------------------------------------------ *From:* Jerry Stuckle *Sent:* Monday, October 17, 2016 5:20AM *To:* Qemu-discuss *Subject:* [Qemu-discuss] Defining a bridgeHi, OK, I'm back on this now, and need to define a bridge for qemu. Once again, this is Ubuntu running in VirtualBox under Windows. Ubuntu is using NetworkManager, and I have defined the bridge there per http://ask.xmodulo.com/configure-linux-bridge-network-manager-ubuntu.html. This comes up as bridge0, and seems to be working just fine. I then try to start Debian-arm under qemu with: qemu-system-arm -m 1024M \ -sd /export/armhf.qcow2 \ -M vexpress-a9 \ -cpu cortex-a9 \ -kernel /export/boot/vmlinuz \ -initrd /export/boot/initrd.img \ -append "root=/dev/mmcblk0p2" \ -device virtio-net-device,netdev=net0 \ -netdev bridge,br=bridge0,id=net0,helper=/usr/lib/qemu/qemu-bridge-helper /etc/qemu/bridge.conf has allow bridge0 Qemu starts just fine, no network-related errors, but no network interface (eth0, etc.) in Debian. Removing these lines and using slirp and Debian gets an interface just fine. Any suggestions as to where to look? Again, I'm a programmer, not a Linux admin, so I'm a bit lost there. Thanks, Jerry |
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