[Bug 196943] [NEW] Network IO with virtio-net driver and kvm results in crash

Amit Shah shahamit at gmail.com
Fri Feb 29 11:20:00 UTC 2008


Public bug reported:

Binary package hint: linux-image

While trying the kubuntu-kde4 hardy alpha CD within a kvm VM with
virtio-net, network activity over the Internet results in a guest crash.

host details: kubuntu gutsy, kernel 2.6.25-rc3, kvm: 62+ (git)

command line to start VM:

qemu-system-x86_64 -m 1024 -vnc :2 -usbdevice tablet -net -drive
file=/guests/kubuntu-kde4-hardy.qcow2,if=virtio,boot=on  -net
nic,model=virtio -net user

This crash did not recur when I installed the 2.6.25-rc3 kernel (with
the virtio net module compiled in) in the guest.

The crash scrolled up too quickly for me to capture it; the last line
indicated it was in virtnet_poll().

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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Network IO with virtio-net driver and kvm results in crash
https://bugs.launchpad.net/bugs/196943
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