From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tiwei Bie <tiwei.bie@intel.com>
Subject: Re: errors from VHOST on shutdown.
Date: Wed, 24 Oct 2018 15:16:32 +0800
Message-ID: <20181024071632.GA23210@debian>
References: <20181023085658.10aa5301@xeon-e3>
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Cc: Maxime Coquelin <maxime.coquelin@redhat.com>, dev@dpdk.org
To: Stephen Hemminger <stephen@networkplumber.org>
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On Tue, Oct 23, 2018 at 08:56:58AM -0700, Stephen Hemminger wrote:
> I get errors on shutdown of application using virtio-user.
> For example, quitting testpmd:
> 
> Detaching a port...
> vhost_kernel_set_backend(): VHOST_NET_SET_BACKEND fails, Operation not permitted
> vhost_kernel_set_backend(): VHOST_NET_SET_BACKEND fails, Operation not permitted
> vhost_kernel_ioctl(): VHOST_RESET_OWNER failed: Operation not permitted
> 
> Everything works fine, but not good to have this kind of thing visible to user.
> These error messages should be fixed, or the error message removed.
> 
> How do you want to handle it?

I'll take a close look and try to fix it.

Thanks