GNU bug report logs - #43257
[PATCH] services: nfs: Require file-systems to be mounted before starting NFS shepherd service.

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Message #32 received at 43257 <at> debbugs.gnu.org (full text, mbox):

From: Danny Milosavljevic <dannym <at> scratchpost.org>
To: 43257 <at> debbugs.gnu.org
Cc: guix-devel <at> gnu.org, Ludovic Courtès <ludo <at> gnu.org>
Subject: Spooky problem in "nfs-root-os" system test
Date: Sun, 13 Sep 2020 21:52:14 +0200

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Hi,

I've got some spooky problem in the NFS root test (or in the VM setup by Guix,
really).

It seems to hang the system test in a part I cannot change (so it's not inside
the test script).

In order to reproduce, start with guix master commit
898fbb60b2354e82e5b7f259b44dbfed112a83aa--or any recent Guix master commit.

So far it's still "fine"-ish:

$ make TESTS="nfs-root-fs" check-system
[... works fine and eventually fails because port 20001 is waited for but is
never opened by the server--so far so good]

Now edit gnu/tests/nfs.scm to change

 ;(rpcmountd-port 20001)

to

 (rpcmountd-port 20001)

in order to fix the problem above--or so I thought.

$ make TESTS="nfs-root-fs" check-system
[... hangs in first VM--without even trying to start up the NFS server VM (as
far as I can tell)]

What is going on?  Also, how to debug this?

(same happens when enabling (rpcstatd-port 20002) only.
Also, doesn't rpcstatd have TWO ports--one to broadcast and one to listen?
How does one set up both using the operating-system configuration?)

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