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@pantaluna
Created July 19, 2018 13:21
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ubuntu1804-x11vnc-disconnected-monitor-fatal
https://www.dropbox.com/s/a8jjnw14uhtibzk/ubuntu1804-x11vnc-disconnected-monitor-fatal.mp4?dl=0
Syslog entries when disconnecting the HDMI cable.
egrep --ignore-case "gnome|hdmi" /var/log/syslog
Jul 19 14:37:53 s3black kernel: [ 943.153341] i915 0000:00:02.0: HDMI-A-1: EDID is invalid:
Jul 19 14:37:53 s3black kernel: [ 943.153347] [00] BAD 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153349] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153351] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153353] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153354] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153356] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153358] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:53 s3black kernel: [ 943.153360] [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Jul 19 14:37:55 s3black gnome-shell[2017]: JS WARNING: [resource:///org/gnome/shell/ui/workspaceThumbnail.js 903]: reference to undefined property "_switchWorkspaceNotifyId"
Jul 19 14:37:56 s3black gnome-shell[2017]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Jul 19 14:37:56 s3black gnome-shell[2017]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed
Jul 19 14:37:56 s3black gnome-shell[2017]: JS ERROR: TypeError: this._monitor is undefined#012DockedDash<._resetPosition@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:1089:17#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012DockedDash<._init@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:416:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_Base.prototype._construct@resource:///org/gnome/gjs/modules/_legacy.js:18:5#012Class.prototype._construct/newClass@resource:///org/gnome/gjs/modules/_legacy.js:114:32#012DockManager<._createDocks@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:1717:20#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012DockManager<._toggle@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:1663:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe2d6c30 StButton.app-well-app ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fbe39c40 StWidget:last-child first-child ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe2d6c30 StButton.app-well-app ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fbe39c40 StWidget:last-child first-child ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fd5fb440 StWidget.app-well-app-running-dot:first-child] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe2d6c30 StButton.app-well-app ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fbe39c40 StWidget:last-child first-child ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe522d50 StBin.overview-icon] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe2d6c30 StButton.app-well-app ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fbe39c40 StWidget:last-child first-child ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe522d50 StBin.overview-icon] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe520050 ShellGenericContainer:last-child first-child] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe2d6c30 StButton.app-well-app ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fbe39c40 StWidget:last-child first-child ("33")] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe522d50 StBin.overview-icon] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe520050 ShellGenericContainer:last-child first-child] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: st_widget_get_theme_node called on the widget [0x5650fe51cf50 StBin:last-child first-child] which is not in the stage.
Jul 19 14:37:56 s3black gnome-shell[2017]: clutter-actor.c:10049: Actor 'dashtodockDashScrollview' tried to allocate a size of 66.00 x -64.00
Jul 19 14:37:56 s3black gnome-shell[2017]: clutter-actor.c:10049: Actor 'dashtodockDashScrollview' tried to allocate a size of 66.00 x -64.00
Jul 19 14:37:56 s3black gnome-shell[2017]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Jul 19 14:37:56 s3black gnome-shell[2017]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed
Jul 19 14:37:56 s3black gnome-shell[2017]: JS ERROR: TypeError: this._monitor is undefined#012DockedDash<._resetPosition@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:1089:17#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
Jul 19 14:37:56 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:37:56 s3black gnome-shell[2017]: message repeated 6 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:37:56 s3black gnome-shell[2017]: JS ERROR: TypeError: this._monitor is undefined#012DockedDash<._updateBarrier@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:963:1#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012DockedDash<._initialize@/usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/docking.js:444:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
Jul 19 14:37:56 s3black gnome-shell[2017]: clutter-actor.c:10049: Actor 'dashtodockDashScrollview' tried to allocate a size of 66.00 x -64.00
Jul 19 14:37:56 s3black gnome-shell[2017]: setup_framebuffers: assertion 'height > 0' failed
Jul 19 14:37:56 s3black org.gnome.Shell.desktop[2017]: Window manager warning: Overwriting existing binding of keysym ff09 with keysym ff09 (keycode 17).
Jul 19 14:37:56 s3black org.gnome.Shell.desktop[2017]: Window manager warning: Overwriting existing binding of keysym ff09 with keysym ff09 (keycode 17).
Jul 19 14:37:56 s3black gnome-shell[2017]: clutter-actor.c:10049: Actor 'dashtodockDashScrollview' tried to allocate a size of 66.00 x -64.00
Jul 19 14:37:56 s3black gnome-shell[2017]: setup_framebuffers: assertion 'height > 0' failed
Jul 19 14:37:56 s3black gnome-shell[2017]: message repeated 3 times: [ setup_framebuffers: assertion 'height > 0' failed]
Syslog entries when opening a remote X11VNC session and doing some GUI interactions with the mouse (the mouse clicks on menu's do not work anymore).
egrep --ignore-case "gnome|hdmi" /var/log/syslog
Jul 19 14:44:31 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:33 s3black gnome-shell[2017]: message repeated 335 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:33 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:34 s3black gnome-shell[2017]: message repeated 167 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:35 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:35 s3black gnome-shell[2017]: message repeated 55 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:36 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:36 s3black gnome-shell[2017]: message repeated 83 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:36 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:39 s3black gnome-shell[2017]: message repeated 244 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:39 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:40 s3black gnome-shell[2017]: message repeated 111 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:41 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:43 s3black gnome-shell[2017]: message repeated 272 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:44 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:48 s3black gnome-shell[2017]: message repeated 321 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:49 s3black gnome-shell[2017]: meta_window_is_on_primary_monitor: assertion 'window->monitor' failed
Jul 19 14:44:52 s3black gnome-shell[2017]: message repeated 580 times: [ meta_window_is_on_primary_monitor: assertion 'window->monitor' failed]
Jul 19 14:44:53 s3black gnome-shell[2017]: meta_screen_get_monitor_geometry: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Jul 19 14:44:53 s3black gnome-shell[2017]: meta_screen_get_monitor_geometry: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Jul 19 14:44:53 s3black gnome-shell[2017]: JS ERROR: TypeError: monitor is null#012_reposition@resource:///org/gnome/shell/ui/boxpointer.js:508:13#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012setPosition@resource:///org/gnome/shell/ui/boxpointer.js:430:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012open@resource:///org/gnome/shell/ui/popupMenu.js:866:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012toggle@resource:///org/gnome/shell/ui/popupMenu.js:746:13#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_onEvent@resource:///org/gnome/shell/ui/panelMenu.js:138:13#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
Jul 19 14:44:53 s3black gnome-shell[2017]: meta_screen_get_monitor_geometry: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Jul 19 14:44:55 s3black gnome-shell[2017]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Jul 19 14:44:55 s3black gnome-shell[2017]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed
Jul 19 14:44:55 s3black gnome-shell[2017]: clutter-actor.c:10049: Actor 'dashtodockDashScrollview' tried to allocate a size of 66.00 x -64.00
X. System
- Ubuntu Desktop 18.04 LTS (latest updates until Jul19,2018 14:00h).
- Intel HD Graphics 530
$ lspci -nnk | grep -i -A3 "vga" | grep 'in use'
Kernel driver in use: i915
$ lshw -C video
*-display
description: VGA compatible controller
product: HD Graphics 530
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:127 memory:de000000-deffffff memory:c0000000-cfffffff ioport:f000(size=64) memory:c0000-dffff
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