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[Bug 1218864] [NEW] Unity panel service is unresponsive

To: dx-packages@xxxxxxxxxxxxxxxxxxx
From: Thomas Strehl <thomas.strehl@xxxxxxxxxxxxx>
Date: Fri, 30 Aug 2013 11:44:38 -0000
Reply-to: Bug 1218864 <1218864@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

>From time to time, the Unity panel becomes unresponsive and consuming
100% CPU. Sometimes this goes away after couple of seconds (3-20),
sometimes it seems to just hang forever. Haven't found a reliable way to
reproduce it. Looking at the debug output, I get:

** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 37752738

** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Unable to get MWM functions for: 37752738

(unity-panel-service:6557): GLib-GObject-WARNING **:
/build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
'0x8d60b30' has no handler with id '1106942'

(unity-panel-service:6557): GLib-GObject-WARNING **:
/build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
'0x8d60b30' has no handler with id '1106943'

(unity-panel-service:6557): GLib-GObject-WARNING **:
/build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
'0x8dbbb30' has no handler with id '1185159'

(unity-panel-service:6557): GLib-GObject-WARNING **:
/build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
'0x8dbbb30' has no handler with id '1185160'

** (unity-panel-service:6557): CRITICAL **:
panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
(object)' failed

** (unity-panel-service:6557): CRITICAL **: panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT (object)' failed
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 31457463

** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Unable to get MWM functions for: 31457463
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Active window is: NULL
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 0

** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 79691783

** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
(unity-panel-service:6557): Indicator-Appmenu-DEBUG: Unable to get MWM functions for: 79691783

=============================================
<<<< between those messages panel-service blocks or rather doesn't respond and uses 100% of CPU
=============================================


** (unity-panel-service:6557): CRITICAL **: panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT (object)' failed

** (unity-panel-service:6557): CRITICAL **:
panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
(object)' failed

** (unity-panel-service:6557): CRITICAL **:
panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
(object)' failed

** (unity-panel-service:6557): CRITICAL **:
panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
(object)' failed

** (unity-panel-service:6557): CRITICAL **:
panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
(object)' failed

** Affects: unity (Ubuntu)
     Importance: Undecided
     Assignee: Ted Gould (ted)
         Status: New

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https://bugs.launchpad.net/bugs/1218864

Title:
  Unity panel service is unresponsive

Status in “unity” package in Ubuntu:
  New

Bug description:
  From time to time, the Unity panel becomes unresponsive and consuming
  100% CPU. Sometimes this goes away after couple of seconds (3-20),
  sometimes it seems to just hang forever. Haven't found a reliable way
  to reproduce it. Looking at the debug output, I get:

  ** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 37752738

  ** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Unable to get MWM functions for: 37752738

  (unity-panel-service:6557): GLib-GObject-WARNING **:
  /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
  '0x8d60b30' has no handler with id '1106942'

  (unity-panel-service:6557): GLib-GObject-WARNING **:
  /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
  '0x8d60b30' has no handler with id '1106943'

  (unity-panel-service:6557): GLib-GObject-WARNING **:
  /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
  '0x8dbbb30' has no handler with id '1185159'

  (unity-panel-service:6557): GLib-GObject-WARNING **:
  /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:2593: instance
  '0x8dbbb30' has no handler with id '1185160'

  ** (unity-panel-service:6557): CRITICAL **:
  panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
  (object)' failed

  ** (unity-panel-service:6557): CRITICAL **: panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT (object)' failed
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 31457463

  ** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Unable to get MWM functions for: 31457463
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Active window is: NULL
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 0

  ** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Switching to menus from XID 79691783

  ** (unity-panel-service:6557): WARNING **: on_indicator_menu_show() called with a NULL entry
  (unity-panel-service:6557): Indicator-Appmenu-DEBUG: Unable to get MWM functions for: 79691783

  =============================================
  <<<< between those messages panel-service blocks or rather doesn't respond and uses 100% of CPU
  =============================================

  
  ** (unity-panel-service:6557): CRITICAL **: panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT (object)' failed

  ** (unity-panel-service:6557): CRITICAL **:
  panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
  (object)' failed

  ** (unity-panel-service:6557): CRITICAL **:
  panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
  (object)' failed

  ** (unity-panel-service:6557): CRITICAL **:
  panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
  (object)' failed

  ** (unity-panel-service:6557): CRITICAL **:
  panel_service_show_entry_common: assertion 'INDICATOR_IS_OBJECT
  (object)' failed

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Follow ups

[Bug 1218864] Re: Unity panel service is unresponsive
From: Christopher Townsend, 2013-10-03
[Bug 1218864] Re: Unity panel service is unresponsive
From: Thomas Strehl, 2013-08-30
[Bug 1218864] Re: Unity panel service is unresponsive
From: Stephen M. Webb, 2013-08-30
[Bug 1218864] [NEW] Unity panel service is unresponsive
From: Thomas Strehl, 2013-08-30

References

[Bug 1218864] [NEW] Unity panel service is unresponsive
From: Thomas Strehl, 2013-08-30