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#1 2021-05-08 05:52:12

hhh
Meep!
Registered: 2015-09-17
Posts: 11,816
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Xfce4-panel/lxpanel won't start in bullseye Openbox session

lightdm, login to openbox default...

❯ xfce4-panel
xfce4-panel: Failed to connect to session manager: Failed to connect to the session manager: SESSION_MANAGER environment variable not defined
xfce4-panel-Message: 01:40:38.291: Plugin "(null)-7" was not found and has been removed from the configuration
xfce4-panel-Message: 01:40:38.292: Plugin "pulseaudio-8" was not found and has been removed from the configuration
xfce4-panel-Message: 01:40:38.292: Plugin "power-manager-plugin-9" was not found and has been removed from the configuration
xfce4-panel-Message: 01:40:38.293: Plugin "notification-plugin-10" was not found and has been removed from the configuration

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:38.820: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:38.820: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:38.910: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:38.910: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:39.000: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:39.000: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:39.086: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:39.086: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(wrapper-2.0:7358): libactions-WARNING **: 01:40:39.517: Calling CanShutdown failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:7358): libactions-WARNING **: 01:40:39.517: Calling CanRestart failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:7358): libactions-WARNING **: 01:40:39.518: Calling CanSuspend failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:7358): libactions-WARNING **: 01:40:39.518: Calling CanHibernate failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:7358): libactions-WARNING **: 01:40:39.519: Calling CanHybridSleep failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.264: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.264: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.265: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.265: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.265: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.265: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.265: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:7342): garcon-CRITICAL **: 01:40:40.266: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed
^C
~ took 32s 
❯ sudo apt install lxpanel
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
lxpanel is already the newest version (0.10.1-2).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

~ 
❯ lxpanel

** (lxpanel:7382): WARNING **: 01:41:31.426: terminal mate-terminal isn't known, consider report it to LibFM developers

I have no .xsession or .xsessionrc file, where the hell do I set the environment, and what do I set it to? tint2 starts fine, btw,

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#2 2021-05-08 08:22:58

johnraff
nullglob
From: Nagoya, Japan
Registered: 2015-09-09
Posts: 8,003
Website

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

The session manager it wants is xfce4-session, but I think that's a warning that can be ignored.

But why those two don't start I don't know. I have to go now, or I'd try it on my VM.


...elevator in the Brain Hotel, broken down but just as well...
( a boring Japan blog (currently paused), idle Twitterings and GitStuff )

Introduction to the Bunsenlabs Lithium Desktop

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#3 2021-05-08 15:04:18

Sector11
Conky 1.9er Mod Squid
From: Upstairs
Registered: 2015-08-20
Posts: 6,662

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

Has ....

Maybe related: [Solved] Failed to launch ??

It's at least worth a check  big_smile


The sun will never set if you keep walking towards it. - my son
Being positive doesn't understand physics.
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Debian 10 Buster = SharpBang ♯!

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#4 2021-05-08 22:39:25

hhh
Meep!
Registered: 2015-09-17
Posts: 11,816
Website

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

Sector11 wrote:

Has ....

Maybe related: [Solved] Failed to launch ??

It's at least worth a check  big_smile

That package died with buster, it's not in bullseye and it's not in sid except for one version for an obscure architecture.

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#5 2021-05-08 23:01:46

hhh
Meep!
Registered: 2015-09-17
Posts: 11,816
Website

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

Screw it, path of least resistance. Looks like tint2 is back on the menu, boys! Not marking the thread [RESOLVED], *Inspector Clouseau voice* zis is zee classic workaround ploy, you know. *spins globe on a table by him* Very Deb-ee-ehnhe. Yez-eh, very nice-eh. *casually leans on the globe, jamming his hand in it, causing him to scream in pain*

www.youtube.com/watch?v=QEE_-C0Nwjw

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#6 2021-05-09 00:42:54

PackRat
jgmenu user Numero Uno
Registered: 2015-10-02
Posts: 1,413

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

I saw this in the screenshot thread.

hhh wrote:

... cinnamon is the main session...

Is cinnamon always the session? You may be getting some conflict. Can you run gnome-panel - or whatever cinnamon uses?


You must unlearn what you have learned.
    -- yoda

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#7 2021-05-09 00:44:07

PackRat
jgmenu user Numero Uno
Registered: 2015-10-02
Posts: 1,413

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

Create a new user and see if you can log in with openbox and xfce4-panel, or lxpanel.


You must unlearn what you have learned.
    -- yoda

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#8 2021-05-09 01:53:19

hhh
Meep!
Registered: 2015-09-17
Posts: 11,816
Website

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

^ No joy, same errors.

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#9 2021-05-09 06:15:23

johnraff
nullglob
From: Nagoya, Japan
Registered: 2015-09-09
Posts: 8,003
Website

Re: Xfce4-panel/lxpanel won't start in bullseye Openbox session

On a Beryllium (ie Bullseye) VM, xfce4-panel installed and ran OK. It did spew out a screenful of warnings, but nothing unexpected. The same as you had @hhh basically:

john@beryllium-dev:~$ xfce4-panel
xfce4-panel: Failed to connect to session manager: Failed to connect to the session manager: SESSION_MANAGER environment variable not defined
xfce4-panel-Message: 15:12:14.675: Plugin "(null)-7" was not found and has been removed from the configuration
xfce4-panel-Message: 15:12:14.676: Plugin "pulseaudio-8" was not found and has been removed from the configuration
xfce4-panel-Message: 15:12:14.676: Plugin "power-manager-plugin-9" was not found and has been removed from the configuration

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:14.990: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:14.990: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:15.040: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:15.040: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:15.087: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:15.087: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:15.136: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:15.136: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(wrapper-2.0:8287): GLib-GIO-CRITICAL **: 15:12:15.448: g_file_new_for_path: assertion 'path != NULL' failed

(wrapper-2.0:8287): GLib-GIO-CRITICAL **: 15:12:15.448: g_file_monitor_file: assertion 'G_IS_FILE (file)' failed

(wrapper-2.0:8287): GLib-GObject-WARNING **: 15:12:15.448: invalid (NULL) pointer instance

(wrapper-2.0:8287): GLib-GObject-CRITICAL **: 15:12:15.448: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(wrapper-2.0:8287): Gtk-WARNING **: 15:12:15.448: Attempting to add a widget with type GtkToggleButton to a container of type XfcePanelPlugin, but the widget is already inside a container of type XfcePanelPlugin, please remove the widget from its existing container first.

(wrapper-2.0:8292): libactions-WARNING **: 15:12:15.454: Calling CanShutdown failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:8292): libactions-WARNING **: 15:12:15.455: Calling CanRestart failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:8292): libactions-WARNING **: 15:12:15.455: Calling CanSuspend failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:8292): libactions-WARNING **: 15:12:15.456: Calling CanHibernate failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:8292): libactions-WARNING **: 15:12:15.456: Calling CanHybridSleep failed GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.xfce.SessionManager was not provided by any .service files

(wrapper-2.0:8287): Gtk-WARNING **: 15:12:15.535: Negative content width -1 (allocation 1, extents 1x1) while allocating gadget (node button, owner GtkToggleButton)

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.287: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.287: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.287: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.287: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.289: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.289: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.289: garcon_menu_item_get_actions: assertion 'GARCON_IS_MENU_ITEM (item)' failed

(xfce4-panel:8278): garcon-CRITICAL **: 15:12:16.290: garcon_gtk_menu_get_desktop_actions_menu: assertion 'actions != NULL' failed

EDIT lxpanel ran OK too. Also with some warning messages:

john@beryllium-dev:~$ lxpanel
** Message: 15:18:14.295: x-terminal-emulator has very limited support, consider choosing another terminal

(lxpanel:8549): GLib-GObject-CRITICAL **: 15:18:14.513: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(lxpanel:8549): GLib-GObject-CRITICAL **: 15:18:14.513: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(lxpanel:8549): GLib-GObject-CRITICAL **: 15:18:14.514: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(lxpanel:8549): Wnck-WARNING **: 15:18:14.682: Unhandled action type _OB_WM_ACTION_UNDECORATE

...elevator in the Brain Hotel, broken down but just as well...
( a boring Japan blog (currently paused), idle Twitterings and GitStuff )

Introduction to the Bunsenlabs Lithium Desktop

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