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Frautoincnam
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Joined: 19 May 2017
Posts: 72

PostPosted: Wed Mar 28, 2018 8:54 pm    Post subject: qdbus and ssh Reply with quote

Hi,

For several years, I use my own script to Inhibit/UnInhibit power management by ssh, to disable automatic suspend during update process. All work fine (initiated here viewtopic.php?f=66&t=118646)
Now, I'm installing a new laptop, always with gentoo.
Locally, I can do :
Code:
inhibit_cookie=$(qdbus org.freedesktop.PowerManagement.Inhibit /org/freedesktop/PowerManagement/Inhibit Inhibit "suspend" "need")

to Inhibit.
Then
Code:
qdbus org.freedesktop.PowerManagement.Inhibit /org/freedesktop/PowerManagement/Inhibit UnInhibit $inhibit_cookie

to UnInhibit.
But, if I do it by ssh, I get
Code:
Cannot find '.Inhibit' in object /org/freedesktop/PowerManagement/Inhibit at org.freedesktop.PowerManagement.Inhibit

Service 'org.freedesktop.PowerManagement.Inhibit' does not exist.

My simple code to test is :
Code:
christophe@svs15 ~ $ cat /home/christophe/tmp/test.sh
#!/bin/bash
export DISPLAY=":0"
echo "$USER"
inhibit_cookie=$(qdbus org.freedesktop.PowerManagement.Inhibit /org/freedesktop/PowerManagement/Inhibit Inhibit "suspend" "need")
echo $inhibit_cookie
qdbus org.freedesktop.PowerManagement.Inhibit /org/freedesktop/PowerManagement/Inhibit UnInhibit $inhibit_cookie

And I call it from another PC with :
Code:
ssh -x christophe@svs15 /home/christophe/tmp/test.sh

That's not a problem with the USER, the command, or the script because all of this work on others PC, and /home is a nfs mount.
So that's a problem with my new install, and I can't find what I've forgot. Surely something very stupid.
consolekit and dbus services running (And inhibit *works* locally in my plasma session)

May be can you help me to find what is not normal with dbus.

Thanks for you help.

[EDIT] Another thing not working, surely about dbus too :
Code:
christophe@svs15 ~ $ notify-send "text"
christophe@svs15

works fine, immediately
Code:
root@svs15 ~ # su - christophe -c "notify-send text"
root@svs15 ~ #

waits 35 secondes and doesn't notify anything. With or without DISPLAY=:0.0
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Frautoincnam
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Joined: 19 May 2017
Posts: 72

PostPosted: Wed Mar 28, 2018 9:28 pm    Post subject: Reply with quote

Another thing I can note, maybe not important, is that on each PC where all is fine, I have same print-pid and print-adress for each dbus-daemon process :
Code:
root@cored ~ # ps axfu | grep print-pid | grep -v grep
sddm      3026  0.0  0.0  35100  2372 ?        Ss   mars26   0:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
chris     3190  0.0  0.1  36324  4092 ?        Ss   mars26   0:02 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
root     18567  0.0  0.0  34960  2508 ?        Ss   14:43   0:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session

Code:
root@medion ~ # ps axfu | grep print-pid | grep -v grep                                   
sddm      1669  0.0  0.0  35100  2356 ?        Ss   mars22   0:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
regine    1697  0.0  0.1  36364  4312 ?        Ss   mars22   0:01 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session


and on this one, they are different :
Code:
root@svs15 ~ # ps axfu | grep print-pid | grep -v grep
sddm      1731  0.0  0.0  35264  2676 ?        Ss   17:19   0:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
christo+  1803  0.0  0.0  35232  2780 ?        Ss   17:20   0:00 /usr/bin/dbus-daemon --fork --print-pid 6 --print-address 8 --session
christo+  1827  0.0  0.0  35488  3076 ?        Ss   17:20   0:00 /usr/bin/dbus-daemon --fork --print-pid 6 --print-address 8 --session


Is it normal ?
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Frautoincnam
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Joined: 19 May 2017
Posts: 72

PostPosted: Fri Mar 30, 2018 3:37 pm    Post subject: Re: qdbus and ssh Reply with quote

Frautoincnam wrote:
My simple code to test is :

More simple, X session opened each time, /home is a nfs mount, centralized authentication with ldap :
Code:
$ ssh regine@medion "qdbus org.freedesktop.PowerManagement"
/
/MainApplication
/local
/local/org_kde_powerdevil
/org
/org/freedesktop
/org/freedesktop/PowerManagement
/org/freedesktop/PowerManagement/Inhibit
/org/kde
/org/kde/Solid
/org/kde/Solid/PowerManagement
/org/kde/Solid/PowerManagement/Actions
/org/kde/Solid/PowerManagement/Actions/HandleButtonEvents
/org/kde/Solid/PowerManagement/Actions/SuspendSession
/org/kde/Solid/PowerManagement/PolicyAgent

Code:
$ ssh regine@svs15 "qdbus org.freedesktop.PowerManagement"
Service 'org.freedesktop.PowerManagement' does not exist.


diff medion://etc and svs15://etc doesn't show anything really different to explain that.
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