From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#26931: GuixSD rebooting fails when tmux is running
Date: Mon, 28 Aug 2017 12:16:09 +0200
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References: <20170514193043.GA5396@jasmine> <87lgpzqfxq.fsf@gnu.org>
	<20170516231839.GA22678@jasmine> <87mv6kgkyr.fsf@gnu.org>
	<87efrwt7pu.fsf@lassieur.org>
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	Lassieur"'s message of "Mon, 28 Aug 2017 10:30:37 +0200")
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To: =?UTF-8?Q?Cl=C3=A9ment?= Lassieur <clement@lassieur.org>
Cc: 26931-done@debbugs.gnu.org

Cl=C3=A9ment Lassieur <clement@lassieur.org> skribis:

> Ludovic Court=C3=A8s <ludo@gnu.org> writes:
>
>> Hi,
>>
>> Leo Famulari <leo@famulari.name> skribis:
>>
>>> On Sun, May 14, 2017 at 11:36:17PM +0200, Ludovic Court=C3=A8s wrote:
>>>> What does /var/log/shepherd.log show around the time where you hit
>>>> =E2=80=9Chalt=E2=80=9D?
>>>>=20
>>>> I get something like this:
>>>>=20
>>>> --8<---------------cut here---------------start------------->8---
>>>> 18:06:26 Service mcron has been stopped.
>>>> 18:06:26 sending all processes the TERM signal
>>>
>>> For me, this is where it gets stuck:
>>>
>>> ------
>>> 2017-05-16 19:12:53 sending all processes the TERM signal
>>> 2017-05-16 19:12:58 waiting for process termination (processes left: (1=
 494))=20
>>> 2017-05-16 19:13:00 waiting for process termination (processes left: (1=
 494))=20
>>> 2017-05-16 19:13:02 waiting for process termination (processes left: (1=
 494))=20
>>> ------
>>>
>>> In my experience, it will wait here forever.
>>>
>>> And from `ps aux`:
>>>
>>> leo        494  0.0  0.1  27232  3676 ?        Ss   19:12   0:00 tmux
>>
>> The bug was 100% reproducible in a VM, and AFAICS it is fixed by
>> 7f090203d5fb033eb1b64778b03afad5bb35f5f2.

[...]

> FYI I have the exact same problem with guix-publish: I have to do 'herd
> stop guix-publish', otherwise I can't reboot.  I'll report a bug soon.
> I would be interested to know if someone else reproduces it.

The commit above makes sure all child processes are reaped.  Could you
check whether that solves the problem you=E2=80=99re seeing with =E2=80=98g=
uix publish=E2=80=99?

Thanks,
Ludo=E2=80=99.