dbus problems running next in my environment (LTSP), also via ssh -Y

[Giovanni Biscuolo]

Hello Guix,

I suspect this is related to my environment and not to next... but don't
understand why and how to fix it

also, probably I have dbus problems for other applications too but I do
not see them because they are not blocking like in next


I installed next 1.4 via guix on two Debian 10 machines:

1. my laptop: next works fine and I'm happy
2. my LTSP app server: it does not work :-S

this is the error I get on my app server:

--8<---------------cut here---------------start------------->8---

giovanni@roquette: next -v
Arguments parsed: (VERBOSE T) and NIL
Next version 1.4.0
<ERROR> [18:38:43] next remote.lisp (ensure-dbus-session fun1 fun65) -
  Failed to run (dbus-launch): dbus-launch not found

--8<---------------cut here---------------end--------------->8---

my dbus related processes on this failing machine are:

--8<---------------cut here---------------start------------->8---
giovanni 32087  0.0  0.0  11032  2276 ?        S    18:34   0:00 
/usr/bin/dbus-launch --exit-with-session --sh-syntax
giovanni 32088  0.0  0.0   8880  2888 ?        Ss   18:34   0:00 
/usr/bin/dbus-daemon --syslog --fork --print-pid 5 --print-address 7 --session
giovanni 32124  0.0  0.0   3336  2852 ?        S    18:34   0:00 
/gnu/store/zjalyyj5v1gygqh613p3y5b3hp7rdxpj-dbus-1.12.12/bin/dbus-daemon 
--config-file=/gnu/store/rhx1m9ms4a856rayxdb60z776av63f18-at-spi2-core-2.32.1/share/defaults/at-spi2/accessibility.conf
 --nofork --print-address 3
--8<---------------cut here---------------end--------------->8---

and the related DBUS env on the failing machine is:

--8<---------------cut here---------------start------------->8---
DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-X4UdsFONq5,guid=8fc98da614e6df5de9ef6fe45e1caa2d
--8<---------------cut here---------------end--------------->8---



on the laptop, where next is running fine, I have this dbus related
processes:

--8<---------------cut here---------------start------------->8---
g         2665  0.0  0.0   9088  4388 ?        Ss   Jan12   0:22 
/usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile 
--systemd-activation --syslog-only
g         2878  0.0  0.0   8884  4160 ?        S    Jan12   0:00 
/usr/bin/dbus-daemon 
--config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork 
--print-address 3
--8<---------------cut here---------------end--------------->8---

and this dbus related env:

--8<---------------cut here---------------start------------->8---
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
--8<---------------cut here---------------end--------------->8---


Any hint please?

Thanks, Gio'



-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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