[Virtio-fs] vhost_set_vring_kick failed

[Stefan Hajnoczi]

On Tue, May 24, 2022 at 02:29:12PM +0000, Prashant Dewan wrote:
> I am trying to setup virtfs using KVM and QEMU.
> 
> 
>   1.  Inside the VM, I do
>      *   mount -t virtiofs myfs /dev/myfile  --succeeds
>      *   cd /dev/myfile  -hangs
> 
> 
>   1.  The host logs -
> 
>  qemu-system: Failed to write msg. Wrote -1 instead of 20.

Sending a vhost-user protocol message failed. It is likely that the
virtiofsd process terminated and the UNIX domain socket closed on QEMU.

Is there any output from virtiofsd?

Stefan
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