[rdo-users] openvswitch -> dpdk -> ... dependency

[iain MacDonnell]

On Tue, Dec 11, 2018 at 5:10 PM Alex Schultz <aschultz at redhat.com> wrote:
>
> On Tue, Dec 11, 2018 at 5:51 PM iain MacDonnell <rdo-list at dseven.org> wrote:
> >
> > I just tried to apply the latest Rocky updates, and found that
> > python2-openvswitch-2.9.0-3.el7.noarch.rpm has been replaced by
> > python-openvswitch-2.10.1-1.el7.x86_64.rpm, and that has dependencies
> > on a bunch of dpdk libraries. After Googling around, I found dpdk in
> > the Extras repo (I have not had to install anything from Extras until
> > now), but after installing that, I'm getting spew like this:
> >
> > PMD: net_mlx5: cannot load glue library: libibverbs.so.1: cannot open
> > shared object file: No such file or directory
> > PMD: net_mlx5: cannot initialize PMD due to missing run-time
> > dependency on rdma-core libraries (libibverbs, libmlx5)
> > PMD: net_mlx4: cannot load glue library: libibverbs.so.1: cannot open
> > shared object file: No such file or directory
> > PMD: net_mlx4: cannot initialize PMD due to missing run-time
> > dependency on rdma-core libraries (libibverbs, libmlx4)
> >
>
> Not exactly related to the request but `yum install libibverbs` will
> stop this stuff from showing up.  it seems to be a missing soft
> dependency that should probably be included in one of the related
> packages.

Yes, I found that out after the last email, and was just trying to
figure out exactly what it is that's causing the attempt to load
libibverbs - it happens in every bash shell that I start, for example.

The missing dependency is definitely a problem for updating existing
environments (unless you happen to have libibverbs installed through
some other circumstances).

    ~iain


> > I don't even use openvswitch! I use linuxbridge... but because
> > openstack-neutron requires python2-ovsdbapp, I'm getting dragged into
> > this dependency hell.
> >
> > I'm a bit miffed about having to deal with this when updating a
> > supposedly stable release.
> >
> > Could (all of) the packages required by the new python-openvswitch be
> > added to the openstack-rocky repo ?
> >
> > Or could the requirement for python2-ovsdbapp be dropped, since it's
> > not actually required for all deployments?
> >
> >     ~iain
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