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Two debian accounts and sound gets disabled in one of them

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PsySc0rpi0n
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Two debian accounts and sound gets disabled in one of them

#1 Post by PsySc0rpi0n »

Hello,

I have created an account on my Debian system for my daughter for her online classes but sometimes her account loses sound. She can't hear anything and I have to reboot my laptop so that she can have sound again.

I'm not even sure where to begin to debug the problem. I'm using alsamixer but everything looks good there.

Problem is that Zoom cannot prouce any sounds.
I already tried 'aplay' on an MP3 file and I can't also listen any music playing!
I can't hear anything from youtube either!

So, where can I start debugging and what can I do?

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Re: Two debian accounts and sound gets disabled in one of th

#2 Post by Dai_trying »

check the second user has group permissions set (just type groups from a terminal), check against your own user and add groups as required

Code: Select all

# usermod -aG <group> <user>
This may or may not be the problem but is has caught me out before so worth checking.

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Re: Two debian accounts and sound gets disabled in one of th

#3 Post by PsySc0rpi0n »

Dai_trying wrote:check the second user has group permissions set (just type groups from a terminal), check against your own user and add groups as required

Code: Select all

# usermod -aG <group> <user>
This may or may not be the problem but is has caught me out before so worth checking.
Her account sometimes have sound. All seems good, but for some reason, and I can't figure out if is there any time pattern, the sound is lost and when I am about to start Zoom or some other sound dependant application, there is no sound whatsoever.

But I'll will check for that. What you suggest is to give the same group permissions for the 2nd user as the 1st one? I'm not sure that will be relevant because I can have sound on that account, most of the times. This only happens some times. It's not a situation that is like that 100% of the time!


Edited;
Well, this second user is not in any groups. Should I add it to at least group 'audio'?

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Re: Two debian accounts and sound gets disabled in one of th

#4 Post by Head_on_a_Stick »

No, you shouldn't need to add the user to the audio group.

Check the output of these commands before and after the sound loss:

Code: Select all

pactl list short
amixer
Also check ~/.xsession-errors and the systemd journal for any clues.
deadbang

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Re: Two debian accounts and sound gets disabled in one of th

#5 Post by Dai_trying »

Personally I would try adding the group(s) to see if it helps although as sound sometimes works and sometimes doesn't this might not help, and HOAS's advice is most likely a better way to go about this.

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Re: Two debian accounts and sound gets disabled in one of th

#6 Post by PsySc0rpi0n »

Ok, thanks peeps.

Will do when it happens again.
At this moment, my daughter account is not being used because they got back to school.

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Re: Two debian accounts and sound gets disabled in one of th

#7 Post by PsySc0rpi0n »

Head_on_a_Stick wrote:No, you shouldn't need to add the user to the audio group.

Check the output of these commands before and after the sound loss:

Code: Select all

pactl list short
amixer
Also check ~/.xsession-errors and the systemd journal for any clues.
Sound just gone off again at my daughter's account.
You suggested to run those commands as my login, my daughter's login or root?

This was with my daughter's login

Code: Select all

$ pactl list short
No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 1001), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
Connection failure: Connection refused
pa_context_connect() failed: Connection refused

$ amixer
No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 1001), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 0 [0%] [-64.00dB] [off]
  Front Right: Playback 0 [0%] [-64.00dB] [off]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [on]
  Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Front',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [on]
  Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [on]
  Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 28 [90%] [7.50dB] [on]
  Front Right: Playback 28 [90%] [7.50dB] [on]
Simple mixer control 'Line Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 20 [65%] [-4.50dB] [on]
  Front Right: Playback 20 [65%] [-4.50dB] [on]
Simple mixer control 'Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958 Default PCM',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'IEC958',1
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'IEC958',16
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 46
  Front Left: Capture 46 [100%] [30.00dB] [on]
  Front Right: Capture 46 [100%] [30.00dB] [on]
Simple mixer control 'Capture',1
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 46
  Front Left: Capture 42 [91%] [26.00dB] [off]
  Front Right: Capture 42 [91%] [26.00dB] [off]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Speaker Only' 'Line Out+Speaker'
  Item0: 'Line Out+Speaker'
Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '2ch' '4ch' '6ch'
  Item0: '2ch'
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Internal Mic' 'Mic' 'Line'
  Item0: 'Internal Mic'
Simple mixer control 'Input Source',1
  Capabilities: cenum
  Items: 'Internal Mic' 'Mic' 'Line'
  Item0: 'Internal Mic'
Simple mixer control 'Internal Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 28 [90%] [7.50dB] [on]
  Front Right: Playback 28 [90%] [7.50dB] [on]
Simple mixer control 'Internal Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 1 [33%] [10.00dB]
  Front Right: 1 [33%] [10.00dB]
Simple mixer control 'Loopback Mixing',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Disabled'
and this is running the same command under my own account:

Code: Select all

$ pactl list short
0	module-device-restore		
1	module-stream-restore		
2	module-card-restore		
3	module-augment-properties		
4	module-switch-on-port-available		
5	module-udev-detect		
6	module-alsa-card	device_id="0" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev-detect.discovered=1"	
7	module-native-protocol-unix		
8	module-default-device-restore		
9	module-rescue-streams		
10	module-always-sink		
11	module-intended-roles		
12	module-suspend-on-idle		
13	module-console-kit		
14	module-systemd-login		
15	module-position-event-sounds		
16	module-role-cork		
17	module-filter-heuristics		
18	module-filter-apply		
19	module-x11-publish	display=:0.0	
20	module-x11-cork-request	display=:0.0	
21	module-x11-xsmp	display=:0.0 session_manager=local/psyHost:@/tmp/.ICE-unix/1867,unix/psyHost:/tmp/.ICE-unix/1867	
0	alsa_output.pci-0000_00_1b.0.analog-stereo	module-alsa-card.c	s16le 2ch 44100Hz	RUNNING
0	alsa_output.pci-0000_00_1b.0.analog-stereo.monitor	module-alsa-card.c	s16le 2ch 44100Hz	IDLE
1	alsa_input.pci-0000_00_1b.0.analog-stereo	module-alsa-card.c	s16le 2ch 48000Hz	SUSPENDED
26	0	10	protocol-native.c	s16le 1ch 44100Hz
27	0	11	protocol-native.c	s16le 1ch 44100Hz
28	0	12	protocol-native.c	s16le 1ch 44100Hz
30	0	14	protocol-native.c	s16le 1ch 44100Hz
64	0	9	protocol-native.c	float32le 2ch 48000Hz
0	module-systemd-login.c	(null)
5	module-x11-xsmp.c	(null)
9	protocol-native.c	firefox-esr
10	protocol-native.c	sd_generic
11	protocol-native.c	sd_generic
12	protocol-native.c	sd_dummy
14	protocol-native.c	sd_espeak-ng
23	protocol-native.c	wrapper-2.0
27	protocol-native.c	pactl
0	alsa_card.pci-0000_00_1b.0	module-alsa-card.c

$ amixer
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65536
  Mono:
  Front Left: Playback 65536 [100%] [on]
  Front Right: Playback 65536 [100%] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 65536
  Front Left: Capture 30421 [46%] [on]
  Front Right: Capture 30421 [46%] [on]

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Re: Two debian accounts and sound gets disabled in one of th

#8 Post by Head_on_a_Stick »

PsySc0rpi0n wrote:You suggested to run those commands as [...] my daughter's login [...]
^ This.
PsySc0rpi0n wrote:

Code: Select all

XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 1001), but by uid 1000!
^ There's the problem. Have you forced XDG_RUNTIME_DIR somewhere?

Run this command as your daughter's user:

Code: Select all

grep -R XDG_RUNTIME_DIR ~
Ignore any binary file matches.
deadbang

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Re: Two debian accounts and sound gets disabled in one of th

#9 Post by PsySc0rpi0n »

Head_on_a_Stick wrote:
PsySc0rpi0n wrote:You suggested to run those commands as [...] my daughter's login [...]
^ This.
PsySc0rpi0n wrote:

Code: Select all

XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 1001), but by uid 1000!
^ There's the problem. Have you forced XDG_RUNTIME_DIR somewhere?
Not that I know of.
Head_on_a_Stick wrote:
PsySc0rpi0n wrote: Run this command as your daughter's user:

Code: Select all

grep -R XDG_RUNTIME_DIR ~
Ignore any binary file matches.
Ok.
Is that command supposed to take several minutes to complete? It's still running as I write this message!

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Re: Two debian accounts and sound gets disabled in one of th

#10 Post by Head_on_a_Stick »

Yeah, it might take a while. I see you shiver with antici...
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Re: Two debian accounts and sound gets disabled in one of th

#11 Post by PsySc0rpi0n »

Head_on_a_Stick wrote:Yeah, it might take a while. I see you shiver with antici...
That's me regarding my Linux skills! :(

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Re: Two debian accounts and sound gets disabled in one of th

#12 Post by PsySc0rpi0n »

It still didn't return the prompt to me.
Maybe it hang up in the command?

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Re: Two debian accounts and sound gets disabled in one of th

#13 Post by Head_on_a_Stick »

Hmm, probably a stupid idea anyway.

Is the login session correct?

Code: Select all

loginctl session-status
And can we also see

Code: Select all

echo $XDG_RUNTIME_DIR
(Both commands as your daughter's user.)
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Re: Two debian accounts and sound gets disabled in one of th

#14 Post by PsySc0rpi0n »

Head_on_a_Stick wrote:Hmm, probably a stupid idea anyway.

Is the login session correct?

Code: Select all

loginctl session-status

Code: Select all

$ loginctl session-status
2 - psysc0rpi0n (1000)
           Since: Tue 2021-03-30 22:40:23 WEST; 20h ago
          Leader: 1741 (lightdm)
            Seat: seat0; vc7
         Display: :0
         Service: lightdm; type x11; class user
         Desktop: lightdm-xsession
           State: active
            Unit: session-2.scope
and:

Code: Select all

2 - psysc0rpi0n (1000)
           Since: Tue 2021-03-30 22:40:23 WEST; 20h ago
          Leader: 1741 (lightdm)
            Seat: seat0; vc7
         Display: :0
         Service: lightdm; type x11; class user
         Desktop: lightdm-xsession
           State: active
            Unit: session-2.scope
I trimmed some of the output which lists all active processes, I think. Do you need to see the complete output? If so, I'll paste it somewhere online.
Head_on_a_Stick wrote: And can we also see

Code: Select all

echo $XDG_RUNTIME_DIR
(Both commands as your daughter's user.)

Code: Select all

$ echo $XDG_RUNTIME_DIR
/run/user/1000
I ran both commands after logging in into my daughter's account with:

Code: Select all

su my_daughter_username

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Re: Two debian accounts and sound gets disabled in one of th

#15 Post by Head_on_a_Stick »

PsySc0rpi0n wrote:I ran both commands after logging in into my daughter's account with:

Code: Select all

su my_daughter_username
No, that won't work. Log out of your user completely then log into your daughter's user from the display manager (or from the TTY).
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Re: Two debian accounts and sound gets disabled in one of th

#16 Post by PsySc0rpi0n »

Head_on_a_Stick wrote:
PsySc0rpi0n wrote:I ran both commands after logging in into my daughter's account with:

Code: Select all

su my_daughter_username
No, that won't work. Log out of your user completely then log into your daughter's user from the display manager (or from the TTY).
Sorry for the delay. I didn't answer sooner because I was copying a folder with huge amount of data and I couldn't logout. I'll do it tomorrow!
Last edited by PsySc0rpi0n on 2021-04-19 20:11, edited 2 times in total.

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Re: Two debian accounts and sound gets disabled in one of th

#17 Post by PsySc0rpi0n »

I even forgot about this problem when I got new things to tackle. But I'm back to this and now it's my account that is lacking the sound device.

My daughter today came to the laptop before me, so seems that her account took control over the sound device an now, it's my account that is with no sound.

So, I'm going to run those commands suggested above and paste here the output. I will edit this post.


Edited;

Code: Select all

$ loginctl session-status
34 - psysc0rpi0n (1000)
           Since: Mon 2021-04-19 20:23:22 WEST; 1h 34min ago
          Leader: 4887 (lightdm)
            Seat: seat0; vc8
         Display: :1
         Service: lightdm; type x11; class user
         Desktop: lightdm-xsession
           State: active
            Unit: session-34.scope
                  ├─4887 lightdm --session-child 15 26
                  ├─4912 /bin/sh /etc/xdg/xfce4/xinitrc -- /etc/X11/xinit/xserverrc
                  ├─4980 /usr/bin/ibus-daemon --daemonize --xim
                  ├─4990 xfce4-session
                  ├─5000 /usr/lib/ibus/ibus-dconf
                  ├─5001 /usr/lib/ibus/ibus-ui-gtk3
                  ├─5003 /usr/lib/ibus/ibus-extension-gtk3
                  ├─5005 /usr/lib/ibus/ibus-x11 --kill-daemon
                  ├─5038 /usr/bin/ssh-agent -s
                  ├─5043 xfwm4
                  ├─5047 xfce4-panel
                  ├─5049 Thunar --daemon
                  ├─5051 xfdesktop
                  ├─5052 nm-applet
                  ├─5053 light-locker
                  ├─5055 /usr/lib/geoclue-2.0/demos/agent
                  ├─5057 xfsettingsd
                  ├─5059 /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
                  ├─5066 /usr/bin/python3 /usr/share/system-config-printer/applet.py
                  ├─5068 xfce4-power-manager
                  ├─5069 /usr/bin/python /usr/bin/solaar
                  ├─5100 /usr/lib/ibus/ibus-engine-simple
                  ├─5124 /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-1.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libsystray.so 6 16777255 systray Notification Area Area where notification icons appear
                  ├─5125 /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-1.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libactions.so 2 16777256 actions Action Buttons Log out, lock or other system actions
                  ├─5126 /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-2.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libxfce4powermanager.so 13 16777260 power-manager-plugin Power Manager Plugin Display the 
                  ├─5127 /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-2.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libpulseaudio-plugin.so 16 16777261 pulseaudio PulseAudio Plugin Adjust the audio volume o
                  ├─5128 /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-2.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libscreenshooterplugin.so 17 16777262 screenshooter Screenshot Take screenshots of the ent
                  ├─5130 /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-1.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libplaces.so 22 16777263 places Places Access folders, documents, and removable media
                  ├─5178 /usr/lib/firefox-esr/firefox-esr
                  ├─5234 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 1 -isForBrowser -prefsLen 1 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─5308 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 2 -isForBrowser -prefsLen 6736 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─5386 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 3 -isForBrowser -prefsLen 9151 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─5410 telegram-desktop --
                  ├─5472 xfce4-terminal
                  ├─5477 bash
                  ├─5488 ssh  [OMMITED]
                  ├─5538 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 4 -isForBrowser -prefsLen 9454 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─5611 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 5 -isForBrowser -prefsLen 9454 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─5702 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 6 -isForBrowser -prefsLen 9454 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─5928 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 8 -isForBrowser -prefsLen 9501 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─6161 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 9 -isForBrowser -prefsLen 9501 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true tab
                  ├─6447 bash
                  ├─6458 ssh [OMMITED]
                  ├─6824 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 10 -isForBrowser -prefsLen 9546 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true ta
                  ├─6907 /usr/lib/firefox-esr/firefox-esr -contentproc -parentBuildID 20210315154203 -prefsLen 9546 -prefMapSize 225123 -appdir /usr/lib/firefox-esr/browser 5178 true rdd
                  ├─6954 bash
                  ├─6979 /usr/lib/firefox-esr/firefox-esr -contentproc -childID 11 -isForBrowser -prefsLen 9546 -prefMapSize 225123 -parentBuildID 20210315154203 -appdir /usr/lib/firefox-esr/browser 5178 true ta
                  ├─7103 loginctl session-status
                  └─7104 pager
and

Code: Select all

$ echo $XDG_RUNTIME_DIR
/run/user/1000

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