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Post senza speranza su GDBus

https://slacky.eu/forum/viewtopic.php?f=51&t=42035

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Post senza speranza su GDBus

Inviato: sab 4 feb 2023, 19:56
da Giovanni
Premetto che tutto cio' accade dal 2 Febbraio, ovvero quando ho aggiornato alcuni pacchetti dal ramo -current, cioe' le glibc, a partire dalle solibs, v. 2.37-x86_64-1, piu' xapian, poppler, openssh e node.js.
Considerando che, in accordo con le mie ricerche svolte, questo tipo di bizzarria o parente stretta, risale almeno al 2011

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gdbus.error:org.freedesktop.dbus.dbus.error.spawn.childexited: launch helper exited with unknown code 127
e che, stando alla rete, la causa piu' gettonata sembra risiedere nelle glib, alcuni se la prendono anche con apt, che qui non c'entra un granche'.
Considerando che non uso linux da 3 cinquine di anni, mi chiedevo se qualcuno puo' fare luce sulla cosa.
Riporto inoltre, che neanche il successivo aggiornamento di alcune delle suddette librerie (glibc patchata + profile + i18n, tutte alla v. 2.37-x86_64-2), datato 3 Febbraio, ha eliminato il tanto inaspettato e resiliente quanto, almeno all'apparenza, inoffensivo mosquito di cui sopra.
Ok che non solo ho una current, ma e' pure parecchio ibrida, e quindi certe stranezze posso aspettarmele, ma la cosa che fa specie e' comunque che cose simili si presentano almeno dal 2011. E anche su Debian. Non certo Sid, visto che non la usa praticamente nessuno...

edit: mi sono dimenticato di dire che cio' accade dopo che si sia attivato l'xfce screensaver con conseguente schermata di login alla riattivazione. ops...

Re: Post senza speranza su GDBus

Inviato: dom 5 feb 2023, 5:43
da Giovanni
Aggiorno anche se non so se sia stilisticamente bello rispondere a se' stessi, nel caso fatemi sapere che edito sopra.
Lanciando il power manager di xfce in modalita' debug ho ottenuto questo:

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(base) bash-5.2$ xfce4-power-manager --no-daemon --debug
TRACE[xfpm-main.c:210] xfpm_start(): Starting the power manager
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for general-notification
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for lock-screen-suspend-hibernate
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for critical-power-level
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for show-brightness-popup
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for brightness-exponential
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for critical-power-action
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for hibernate-button-action
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for sleep-button-action
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for battery-button-action
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for brightness-level-on-ac
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for brightness-slider-min-level
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for dpms-enabled
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for dpms-on-ac-off
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for dpms-sleep-mode
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for logind-handle-power-key
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for logind-handle-suspend-key
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for logind-handle-hibernate-key
TRACE[xfpm-xfconf.c:166] xfpm_xfconf_load(): Using default configuration for heartbeat-command
TRACE[xfpm-dpms.c:72] xfpm_dpms_set_timeouts(): Settings dpms: standby=780 suspend=0 off=900


(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.099: Failed to create proxy for 'org.freedesktop.PolicyKit1'
TRACE[xfpm-polkit.c:289] xfpm_polkit_init_data(): Using unix session polkit subject

(xfce4-power-manager:4095): xfce4-power-manager-CRITICAL **: 05:15:09.099: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:4095): xfce4-power-manager-CRITICAL **: 05:15:09.099: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:4095): xfce4-power-manager-CRITICAL **: 05:15:09.099: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:4095): xfce4-power-manager-CRITICAL **: 05:15:09.099: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed
TRACE[xfpm-power.c:930] xfpm_power_get_power_devices(): Power device detected at : /org/freedesktop/UPower/devices/line_power_AC
TRACE[xfpm-power.c:889] xfpm_power_add_device(): 'line-power' device added
TRACE[xfpm-power.c:930] xfpm_power_get_power_devices(): Power device detected at : /org/freedesktop/UPower/devices/battery_BAT0
TRACE[xfpm-power.c:889] xfpm_power_add_device(): 'battery' device added
TRACE[xfpm-power.c:898] xfpm_power_add_device(): Battery device type 'battery' detected at: /org/freedesktop/UPower/devices/battery_BAT0
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 124 : ((XfpmButtonKey) BUTTON_POWER_OFF)

(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.149: could not map keysym 1008ffa8 to keycode

TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 213 : ((XfpmButtonKey) BUTTON_HIBERNATE)
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 150 : ((XfpmButtonKey) BUTTON_SLEEP)
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 233 : ((XfpmButtonKey) BUTTON_MON_BRIGHTNESS_UP)
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 232 : ((XfpmButtonKey) BUTTON_MON_BRIGHTNESS_DOWN)
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 244 : ((XfpmButtonKey) BUTTON_BATTERY)
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 238 : ((XfpmButtonKey) BUTTON_KBD_BRIGHTNESS_UP)
TRACE[xfpm-button.c:180] xfpm_button_xevent_key(): Grabbed key 237 : ((XfpmButtonKey) BUTTON_KBD_BRIGHTNESS_DOWN)
TRACE[xfpm-power.c:930] xfpm_power_get_power_devices(): Power device detected at : /org/freedesktop/UPower/devices/battery_BAT1
TRACE[xfpm-power.c:889] xfpm_power_add_device(): 'battery' device added
TRACE[xfpm-power.c:898] xfpm_power_add_device(): Battery device type 'battery' detected at: /org/freedesktop/UPower/devices/battery_BAT1
TRACE[xfpm-dpms.c:72] xfpm_dpms_set_timeouts(): Settings dpms: standby=660 suspend=0 off=720

TRACE[xfpm-dpms.c:347] xfpm_dpms_set_on_battery(): dpms on battery TRUE
TRACE[xfpm-power.c:1450] xfpm_update_blank_time(): Prev Timeout: 480 / New Timeout: 600
TRACE[xfpm-power.c:1450] xfpm_update_blank_time(): Prev Timeout: 600 / New Timeout: 600
TRACE[xfpm-power.c:210] xfpm_power_check_polkit_auth(): using logind suspend backend

(xfce4-power-manager:4095): xfce4-power-manager-CRITICAL **: 05:15:09.153: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:4095): xfce4-power-manager-CRITICAL **: 05:15:09.153: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed
TRACE[xfpm-power.c:1450] xfpm_update_blank_time(): Prev Timeout: 600 / New Timeout: 600
TRACE[xfpm-power.c:1450] xfpm_update_blank_time(): Prev Timeout: 600 / New Timeout: 600
TRACE[xfpm-manager.c:651] xfpm_manager_inhibit_sleep_systemd(): Inhibiting systemd sleep: handle-power-key:handle-suspend-key:handle-hibernate-key:handle-lid-switch

(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.161: Unable to inhibit systemd sleep: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 127 

** (xfce4-power-manager:4095): WARNING **: 05:15:09.161: No outputs have backlight property
Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Launch helper exited with unknown return code 127

(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.185: Unable to set the kernel brightness switch parameter to 0.
TRACE[xfpm-backlight.c:269] xfpm_backlight_brightness_on_ac_settings_changed(): Alarm on ac timeout changed 20
TRACE[xfpm-backlight.c:290] xfpm_backlight_brightness_on_battery_settings_changed(): Alarm on battery timeout changed 20

(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.193: Failed to get keyboard max brightness level : GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Object does not exist at path “/org/freedesktop/UPower/KbdBacklight”

(xfce4-power-manager:4095): xfconf-WARNING **: 05:15:09.194: Failed to set property "xfce4-power-manager::/xfce4-power-manager/brightness-switch": Operation was cancelled
Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Launch helper exited with unknown return code 127

(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.208: Unable to set the kernel brightness switch parameter to 0.
TRACE[xfpm-power-common.c:222] get_device_icon_name(): icon_suffix -symbolic, icon_base_length 12, upower_icon battery-good-symbolic
Verso la fine del log appare, insieme alla pletora di warnings ed errori:

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(xfce4-power-manager:4095): xfce4-power-manager-WARNING **: 05:15:09.161: Unable to inhibit systemd sleep: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 127
Sulla documentazione ufficiale di xfce ho visto qualcosa, non esattamente specifica, ma che potrebbe risolvere il tutto.
Approfondisco con la dovuta calma...

Re: Post senza speranza su GDBus

Inviato: dom 5 feb 2023, 18:49
da erio
vedi se ti e' utile questo link https://forum.xfce.org/viewtopic.php?id=15371
quando c'e' un problema generale hardware specifica il portatile e sembra che nel sistema ci sia un systemd di troppo o sbaglio,oppure hai software che usa systemd magari da quando usavi debian e dai una vista a elogind.conf in /etc se e' corretto e se ne parla anche qui su linuxquestion ttps://www.linuxquestions.org/questions/slackw ... 175721680/

Re: Post senza speranza su GDBus

Inviato: dom 5 feb 2023, 20:36
da Giovanni
No ma io mi sono reinstallato subito slackware non appena ho trovato un portatile all'uopo dopo molti anni che il computer lo usavo si' e no e prevalentemente per facezie.
Comunque oggi e' scomaprso il messaggio senza che toccassi niente.
Ho fatto un test sia a portatile collegato all'alimentazione domestica, sia alimentato a batteria ed il messaggio non s'e' presentato.
Ho ripetuto la procedura di spegnimento del power manager per vedere cosa ne sarebbe venuto fuori rilanciandolo in debug mode e l'output che ne e' risultato e' molto diverso:

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(base) bash-5.2$ xfce4-power-manager -q
(base) bash-5.2$ xfce4-power-manager --no-daemon -debug

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:01:17.530: Failed to create proxy for 'org.freedesktop.PolicyKit1'

(xfce4-power-manager:11096): xfce4-power-manager-CRITICAL **: 20:01:17.530: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:11096): xfce4-power-manager-CRITICAL **: 20:01:17.530: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:11096): xfce4-power-manager-CRITICAL **: 20:01:17.530: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:11096): xfce4-power-manager-CRITICAL **: 20:01:17.530: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:01:17.582: could not map keysym 1008ffa8 to keycode


(xfce4-power-manager:11096): xfce4-power-manager-CRITICAL **: 20:01:17.587: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:11096): xfce4-power-manager-CRITICAL **: 20:01:17.587: xfpm_polkit_check_auth_intern: assertion 'polkit->priv->proxy != NULL' failed

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:01:17.594: Unable to inhibit systemd sleep: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 127

** (xfce4-power-manager:11096): WARNING **: 20:01:17.594: No outputs have backlight property
Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Launch helper exited with unknown return code 127

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:01:17.617: Unable to set the kernel brightness switch parameter to 0.

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:01:17.624: Failed to get keyboard max brightness level : GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Object does not exist at path “/org/freedesktop/UPower/KbdBacklight”

(xfce4-power-manager:11096): xfconf-WARNING **: 20:01:17.624: Failed to set property "xfce4-power-manager::/xfce4-power-manager/brightness-switch": Operation was cancelled
Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Launch helper exited with unknown return code 127

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:01:17.638: Unable to set the kernel brightness switch parameter to 0.
Poi l'ho riavvia da un altro terminale perche' volevo vedere cosa sarebbe successo ed il risultato e' stato il seguente:

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Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Launch helper exited with unknown return code 127

(xfce4-power-manager:11096): xfce4-power-manager-WARNING **: 20:02:42.934: Unable to restore the kernel brightness switch parameter to its original value, still resetting the saved value.

(xfce4-power-manager:11096): GLib-CRITICAL **: 20:02:42.934: Source ID 41 was not found when attempting to remove it
Devo ammettere che devo ancora leggermeli per bene perche' poi mi sono preparato la cena, ma resta il fatto che e' scomparso tutto senza che io toccassi niente.
Intanto ti ringrazio per la risposta
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