Public bug reported: After upgrading to Ubuntu Gnome 16.04 LTS, the screen power saver started to malfunction. When the desktop is idle, it turn off the screen as usual, but a second later it turns the screen back on. This happens repeatedly. I have disconnected any input device as well.
I'm using Ubuntu gnome 16.04 with kernel version: 4.4.0-21-generic x86_64 This is the syslog entries from the moment the power-saver mode was started: Apr 25 11:25:58 Funaro-Home kernel: [211250.250189] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A Apr 25 11:26:05 Funaro-Home /usr/lib/gdm3/gdm-x-session[1167]: (II) intel(0): resizing framebuffer to 1680x1050 Apr 25 11:26:05 Funaro-Home /usr/lib/gdm3/gdm-x-session[1167]: (II) intel(0): switch to mode [email protected] on VGA1 using pipe 0, position (0, 0), rotation normal, reflection none Apr 25 11:26:05 Funaro-Home gnome-session[1180]: Gjs-Message: JS LOG: Device -> Apr 25 11:26:05 Funaro-Home dbus[696]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' Apr 25 11:26:05 Funaro-Home systemd[1]: Starting Hostname Service... Apr 25 11:26:05 Funaro-Home kernel: [211257.746217] gnome-shell[20730]: segfault at 33684 ip 00007f80010fd7e5 sp 00007ffe6707deb8 error 4 in libgobject-2.0.so.0.4800.0[7f80010c9000+52000] Apr 25 11:26:05 Funaro-Home dbus[696]: [system] Successfully activated service 'org.freedesktop.hostname1' Apr 25 11:26:05 Funaro-Home systemd[1]: Started Hostname Service. Apr 25 11:26:05 Funaro-Home gnome-session[1180]: gnome-session-binary[1180]: WARNING: Application 'gnome-shell.desktop' killed by signal 11 Apr 25 11:26:05 Funaro-Home gnome-session-binary[1180]: WARNING: Application 'gnome-shell.desktop' killed by signal 11 Apr 25 11:26:05 Funaro-Home gnome-session[1180]: (gnome-settings-daemon:1329): GnomeDesktop-WARNING **: Error setting property 'PowerSaveMode' on interface org.gnome.Mutter.DisplayConfig: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.435 was not provided by any .service files (g-dbus-error-quark, 2) Apr 25 11:26:05 Funaro-Home /usr/lib/gdm3/gdm-x-session[1167]: (II) intel(0): resizing framebuffer to 3600x1080 Apr 25 11:26:05 Funaro-Home /usr/lib/gdm3/gdm-x-session[1167]: (II) intel(0): switch to mode [email protected] on HDMI2 using pipe 0, position (0, 0), rotation normal, reflection none Apr 25 11:26:05 Funaro-Home /usr/lib/gdm3/gdm-x-session[1167]: (II) intel(0): switch to mode [email protected] on VGA1 using pipe 1, position (1920, 30), rotation normal, reflection none Apr 25 11:26:05 Funaro-Home kernel: [211258.006231] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe B Apr 25 11:26:05 Funaro-Home kernel: [211258.006246] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun Apr 25 11:26:06 Funaro-Home gnome-session[1180]: current session already has an ibus-daemon. Apr 25 11:26:06 Funaro-Home dbus[696]: [system] Activating via systemd: service name='org.freedesktop.GeoClue2' unit='geoclue.service' Apr 25 11:26:06 Funaro-Home systemd[1]: Starting Location Lookup Service... Apr 25 11:26:06 Funaro-Home dbus[696]: [system] Successfully activated service 'org.freedesktop.GeoClue2' Apr 25 11:26:06 Funaro-Home systemd[1]: Started Location Lookup Service. Apr 25 11:26:06 Funaro-Home dbus[696]: [system] Activating service name='org.freedesktop.PackageKit' (using servicehelper) Apr 25 11:26:06 Funaro-Home gnome-session[1180]: Gjs-Message: JS LOG: No permission to trigger offline updates: Polkit.Error: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered Apr 25 11:26:06 Funaro-Home gnome-session[1180]: Gjs-Message: JS WARNING: [/home/liran/.local/share/gnome-shell/extensions/[email protected]/net_speed_status_icon.js 156]: assignment to undeclared variable device Apr 25 11:26:06 Funaro-Home gnome-session[1180]: Gjs-Message: JS LOG: Device -> Apr 25 11:26:06 Funaro-Home AptDaemon: INFO: Initializing daemon Apr 25 11:26:06 Funaro-Home org.freedesktop.PackageKit[696]: 11:26:06 AptDaemon [INFO]: Initializing daemon Apr 25 11:26:06 Funaro-Home AptDaemon.PackageKit: INFO: Initializing PackageKit compat layer Apr 25 11:26:06 Funaro-Home org.freedesktop.PackageKit[696]: /usr/lib/python3/dist-packages/aptdaemon/worker/pkworker.py:35: PyGIWarning: PackageKitGlib was imported without specifying a version first. Use gi.require_version('PackageKitGlib', '1.0') before import to ensure that the right version gets loaded. Apr 25 11:26:06 Funaro-Home org.freedesktop.PackageKit[696]: from gi.repository import PackageKitGlib as pk Apr 25 11:26:06 Funaro-Home org.freedesktop.PackageKit[696]: 11:26:06 AptDaemon.PackageKit [INFO]: Initializing PackageKit compat layer Apr 25 11:26:06 Funaro-Home dbus[696]: [system] Successfully activated service 'org.freedesktop.PackageKit' Apr 25 11:26:06 Funaro-Home gnome-session[1180]: Gjs-Message: JS LOG: [FREON] Render all MenuItems Apr 25 11:26:07 Funaro-Home gnome-shell[30007]: GNOME Shell started at Mon Apr 25 2016 11:26:06 GMT+0300 (IDT) ** Affects: xubuntu-default-settings (Ubuntu) Importance: Undecided Status: New ** Tags: power-saver -- You received this bug notification because you are a member of Xubuntu Developers, which is subscribed to xubuntu-default-settings in Ubuntu. Matching subscriptions: xubuntu-default-settings https://bugs.launchpad.net/bugs/1574511 Title: Screen re activated imidiatlly after idle To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xubuntu-default-settings/+bug/1574511/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~xubuntu-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~xubuntu-dev More help : https://help.launchpad.net/ListHelp
