From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#30522: offloading requires guile-readline on the remote system
Date: Mon, 19 Feb 2018 21:31:10 +0100
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In-Reply-To: <87bmglc62k.fsf@fastmail.com> (Marius Bakke's message of "Mon, 19
	Feb 2018 17:11:47 +0100")
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To: Marius Bakke <mbakke@fastmail.com>
Cc: 30522-done@debbugs.gnu.org

Heya,

Marius Bakke <mbakke@fastmail.com> skribis:

> Ludovic Court=C3=A8s <ludo@gnu.org> writes:
>
>> Hi Marius,
>>
>> Marius Bakke <mbakke@fastmail.com> skribis:
>>
>>> After reconfiguring a remote machine on latest 'master' (post recent
>>> core-updates merge), I found that offloading to it would just "hang".
>>>
>>> After some debugging I found that `guile --listen` failed to import
>>> (ice-9 readline).  Installing guile-readline for the offload user did
>>> the trick.
>>
>> Could it be that ~/.guile on that machine imports (ice-9 readline)?
>> (On GuixSD the default ~/.guile used to import it unconditionally.)
>
> Ah, good catch!  This was using the default .guile from before
> 2ba2c98d8aa695cce608313833a36c61b0fb3428.  I have verified that copying
> the new .guile from /etc/skel works even without guile-readline
> installed.

Good.

> It would still be good with a better failure mode, but I'll file this
> under "pebkac" for now.

Yes, I=E2=80=99m surprised it ended up looping.  Did you try to strace it or
something to see what was going on?  Perhaps guile failed to start
altogether and Guile-SSH kept retrying?

Ludo=E2=80=99.