# Re: \[PATCH net v2\] Revert "virtio-net: ethtool configurable RXCSUM"

- From: Michael S. Tsirkin \<mst@redhat.com\>
- Date: 2020-10-20 11:45:31 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/10/6144835
- Thread: https://ratatoskr.run/netdev/2020/10/6142668/t.md

```text
On Mon, Oct 19, 2020 at 12:15:00PM -0700, Jakub Kicinski wrote:
> On Mon, 19 Oct 2020 13:32:12 -0400 Michael S. Tsirkin wrote:
> > This reverts commit 3618ad2a7c0e78e4258386394d5d5f92a3dbccf8.
> > 
> > When the device does not have a control vq (e.g. when using a
> > version of QEMU based on upstream v0.10 or older, or when specifying
> > ctrl_vq=off,ctrl_rx=off,ctrl_vlan=off,ctrl_rx_extra=off,ctrl_mac_addr=off
> > for the device on the QEMU command line), that commit causes a crash:
> 
> Hi Michael!
> 
> Only our very first (non-resend) version got into patchwork:
> 
> https://patchwork.ozlabs.org/project/netdev/list/?submitter=2235&state=*
> 
> Any ideas why?

I really don't! Any ideas?

-- 
MST

```