[Ltsp-discuss] epoptes over -X ssh

[David Groos]

Hello,

I've been launching epoptes remotely using ssh -X so that I can remotely
close all discovered clients before rebooting the ltsp server. Been working
great. The issue is that, of the 6 servers I manage, 1 of the 6 throws the
following error message instead of launching epoptes. This isn't a major
problem as I can just go to this classroom and work locally--only 6 weeks
left to this school year before creating a fresh server image w/ 16.04.
But, thought it might be at least useful to share out this error message.

Thanks,
David

***@south-sci-4:~$ epoptes
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:57: GtkWarning:
could not open display
warnings.warn(str(e), _gtk.Warning)

(epoptes:31389): libnotify-WARNING **: Failed to connect to proxy
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: Warning: invalid
(NULL) pointer instance
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: Warning:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gdk_screen_get_display: assertion 'GDK_IS_SCREEN (screen)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: Warning:
g_object_ref: assertion 'G_IS_OBJECT (object)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: Warning:
g_object_get: assertion 'G_IS_OBJECT (object)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: Warning: value
"TRUE" of type 'gboolean' is invalid or out of range for property 'visible'
of type 'gboolean'
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gdk_pango_context_get_for_screen: assertion 'GDK_IS_SCREEN (screen)'
failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_context_set_font_description: assertion 'context != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_context_set_base_dir: assertion 'context != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_context_set_language: assertion 'context != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_new: assertion 'context != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_set_attributes: assertion 'layout != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_set_text: assertion 'layout != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_get_unknown_glyphs_count: assertion 'PANGO_IS_LAYOUT (layout)'
failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: Warning:
g_object_unref: assertion 'G_IS_OBJECT (object)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_get_pixel_extents: assertion 'PANGO_IS_LAYOUT (layout)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gtk_window_set_screen: assertion 'GDK_IS_SCREEN (screen)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Screen
for GtkWindow not set; you must always set
a screen for a GtkWindow before using the window
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_set_alignment: assertion 'layout != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_set_ellipsize: assertion 'PANGO_IS_LAYOUT (layout)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_set_single_paragraph_mode: assertion 'PANGO_IS_LAYOUT
(layout)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_set_width: assertion 'layout != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_get_extents: assertion 'layout != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_context_get_language: assertion 'context != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_context_get_metrics: assertion 'PANGO_IS_CONTEXT (context)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_font_metrics_get_approximate_char_width: assertion 'metrics != NULL'
failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gtk_icon_size_lookup_for_settings: assertion 'GTK_IS_SETTINGS
(settings)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Invalid
icon size 4

self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gtk_icon_theme_load_icon: assertion 'GTK_IS_ICON_THEME (icon_theme)'
failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Error
loading theme icon 'list-add' for stock:
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
/build/gtk+2.0-B1ahdU/gtk+2.0-2.24.23/gtk/gtkstyle.c:2358: invalid icon
size '4'
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gtk_style_render_icon: assertion 'pixbuf != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Error
loading theme icon 'list-remove' for stock:
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Error
loading theme icon 'go-up' for stock:
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Error
loading theme icon 'go-down' for stock:
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Error
loading theme icon 'zoom-out' for stock:
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning: Error
loading theme icon 'zoom-in' for stock:
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_layout_get_context: assertion 'layout != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_font_metrics_get_approximate_digit_width: assertion 'metrics != NULL'
failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_font_metrics_get_ascent: assertion 'metrics != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: PangoWarning:
pango_font_metrics_get_descent: assertion 'metrics != NULL' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
gtk_widget_size_allocate(): attempt to allocate widget with width -1052470
and height 2
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gdk_screen_get_default_colormap: assertion 'GDK_IS_SCREEN (screen)'
failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gdk_colormap_get_visual: assertion 'GDK_IS_COLORMAP (colormap)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gdk_screen_get_root_window: assertion 'GDK_IS_SCREEN (screen)' failed
self.wTree.add_from_file('epoptes.ui')
/usr/lib/python2.7/dist-packages/epoptes/ui/gui.py:87: GtkWarning:
IA__gdk_window_new: assertion 'GDK_IS_WINDOW (parent)' failed
self.wTree.add_from_file('epoptes.ui')
Segmentation fault (core dumped)