GNU bug report logs - #48561
"Daemon not running" exception when avahi-daemon is not running

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Maxime Devos <maximedevos <at> telenet.be>
Subject: bug#48561: closed (Re: bug#48561: "Daemon not running" exception
 when avahi-daemon is not running)
Date: Sat, 22 May 2021 12:07:02 +0000

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Your bug report

#48561: "Daemon not running" exception when avahi-daemon is not running

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 48561 <at> debbugs.gnu.org.

-- 
48561: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=48561
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mathieu Othacehe <othacehe <at> gnu.org>
To: Maxime Devos <maximedevos <at> telenet.be>
Cc: 48561-done <at> debbugs.gnu.org
Subject: Re: bug#48561: "Daemon not running" exception when avahi-daemon is
 not running
Date: Sat, 22 May 2021 14:06:35 +0200

Hey,

> Otherwise LGTM, but I haven't tested.

Fixed with 7003b2db526fc367664f3a7c4bdbe38a7c717da6.

Thanks,

Mathieu

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From: Maxime Devos <maximedevos <at> telenet.be>
To: bug-guix <at> gnu.org
Subject: "Daemon not running" exception when avahi-daemon is not running
Date: Fri, 21 May 2021 10:48:53 +0200

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Severity: minor

My /var/log/guix-daemon.log.* are full of backtraces like these
(and boring messages like SIGPOLL, spurious SIGPOLL, accepted connections
from pid [..], user [...]).

Backtrace:
In ice-9/boot-9.scm:
  1752:10 10 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
           9 (apply-smob/0 #<thunk 7f77d4149f60>)
In ice-9/boot-9.scm:
    724:2  8 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
In ice-9/eval.scm:
    619:8  7 (_ #(#(#<directory (guile-user) 7f77d4143c80>)))
In guix/ui.scm:
  2166:12  6 (run-guix-command _ . _)
In ice-9/boot-9.scm:
  1752:10  5 (with-exception-handler _ _ #:unwind? _ # _)
  1747:15  4 (with-exception-handler #<procedure 7f77d0deeed0 at ic…> …)
In guix/scripts/discover.scm:
    141:8  3 (_)
In guix/avahi.scm:
   171:17  2 (avahi-browse-service-thread _ #:types _ #:ignore-local? …)
In unknown file:
           1 (make-client #<poll 7f77d0de41c0> () #<procedure client…>)
In ice-9/boot-9.scm:
  1685:16  0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
Throw to key `avahi-error' with args `(#<avahi-error-enum Daemon not running> make-client)'.

Some kind of warning message when the daemon is not running makes sense,
but a full backtrace seems unneeded.

Maybe print a line like:

  warning: avahi daemon is not running, cannot auto-discover substitute servers!

instead.

Greetings,
Maxime.

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