[Bug 1488815] Re: Kernel traces with skb_warn_bad_offload showing up during an AIO deployment on Ubuntu 14.04

[Christian Felsing]

Problem depends on guest. Steps to reproduce on Ubuntu 14.04 64bit
server kernel 3.19.0-28-generic and qemu-kvm.

* set up a guest with virt-manager and set up a virtio ethernet interface
* install FreeBSD 10.1 64bit as guest
* set up an usable IP address on vtnet0 (FreeBSD name of virtio ethernet)

Make some traffic and check dmesg. After some time "skb_warn_bad_offload" occurs in dmesg on host.
Problem does not occur if e1000 is used instead of virtio, as recommended for FreeBSD on kvm.

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https://bugs.launchpad.net/bugs/1488815

Title:
  Kernel traces with skb_warn_bad_offload showing up during an AIO
  deployment on Ubuntu 14.04

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