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Date:   Fri, 21 Jan 2022 06:29:55 +0100
From:   Petr Vorel <pvorel@suse.cz>
To:     Nikita Yushchenko <nikita.yushchenko@virtuozzo.com>
Cc:     ltp@lists.linux.it, kernel@openvz.org, linux-nfs@vger.kernel.org,
        Steve Dickson <SteveD@redhat.com>, NeilBrown <neilb@suse.de>
Subject: Re: [PATCH] rpc_lib.sh: fix portmapper detection in case of socket
 activation
Message-ID: <YepE066MwWSf7wAK@pevik>
Reply-To: Petr Vorel <pvorel@suse.cz>
References: <20220120143727.27057-1-nikita.yushchenko@virtuozzo.com>
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 <da777e8f-ca8a-e1c6-d005-792114b78f84@virtuozzo.com>
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Hi Nikita,

> 21.01.2022 00:01, Petr Vorel wrote:
> > Hi Nikita,

> > [ Cc: Steve as user-space maintainer, also Neil and whole linux-nfs ]

> > > On systemd-based linux hosts, rpcbind service is typically started via
> > > socket activation, when the first client connects. If no client has
> > > connected before LTP rpc test starts, rpcbind process will not be
> > > running at the time of check_portmap_rpcbind() execution, causing
> > > check_portmap_rpcbind() to report TCONF error.

> > > Fix that by adding a quiet invocation of 'rpcinfo' before checking for
> > > rpcbind.

> > Looks reasonable, but I'd prefer to have confirmation from NFS experts.

> NFS is not involved here, this is about sunrpc tests.
Sure. Just tirpc (in libtirpc or the the old SUN-RPC already removed from glibc)
are used in NFS. Steve is the libtirpc maintainer.

> I had to add this patch to make 'runltp -f net.rpc' pass just after
> container is started - that happens in container autotests here.
Yep, I suspected this. Because on normal linux distro it's working right after
boot (tested on rpc01.sh). Can't this be a setup issue?

Kind regards,
Petr

> Nikita