$ cat /etc/os-release 
NAME="Ubuntu"
VERSION="15.04 (Vivid Vervet)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu Vivid Vervet (development branch)"
VERSION_ID="15.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$ /usr/local/bin/xfce4-power-manager --version

Xfce Power Manager 1.4.4git-fb190d2

Part of the Xfce Goodies Project
http://goodies.xfce.org

Licensed under the GNU GPL.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$ /usr/local/bin/xfce4-power-manager --no-daemon --debug

** (xfce4-power-manager:7393): WARNING **: Failed to get name owner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'org.freedesktop.PowerManagement': no such name


** (xfce4-power-manager:7393): WARNING **: Failed to get name owner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'org.xfce.PowerManager': no such name

TRACE[xfpm-main.c:205] xfpm_start(): Starting the power manager
TRACE[xfpm-xfconf.c:631] xfpm_xfconf_init(): lock screen TRUE
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for critical-power-level
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for show-brightness-popup
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for handle-brightness-keys
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for critical-power-action
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for hibernate-button-action
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for lid-action-on-ac
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for lid-action-on-battery
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for brightness-level-on-ac
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for brightness-level-on-battery
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for brightness-slider-min-level
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for dpms-on-battery-sleep
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for dpms-on-battery-off
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for dpms-sleep-mode
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for inactivity-on-battery
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for inactivity-sleep-mode-on-ac
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for inactivity-sleep-mode-on-battery
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for brightness-on-ac
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for brightness-on-battery
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for network-manager-sleep
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for logind-handle-power-key
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for logind-handle-suspend-key
TRACE[xfpm-xfconf.c:164] xfpm_xfconf_load(): Using default configuration for logind-handle-hibernate-key
TRACE[xfpm-dpms.c:75] xfpm_dpms_set_timeouts(): Settings dpms: standby=0 suspend=0 off=0


(xfce4-power-manager:7393): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:2451: signal 'Changed' is invalid for instance '0x1494cf0' of type 'GDBusProxy'
TRACE[xfpm-polkit.c:287] xfpm_polkit_init_data(): Using unix session polkit subject
TRACE[xfpm-polkit.c:345] xfpm_polkit_check_auth_intern(): polkit request: (('unix-process', {'pid': <uint32 7393>, 'start-time': <uint64 28452>}), 'org.freedesktop.login1.power-off', @a{ss} {}, uint32 0, '')
TRACE[xfpm-polkit.c:366] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.login1.power-off is authorized=TRUE
TRACE[xfpm-polkit.c:345] xfpm_polkit_check_auth_intern(): polkit request: (('unix-process', {'pid': <uint32 7393>, 'start-time': <uint64 28452>}), 'org.freedesktop.login1.reboot', @a{ss} {}, uint32 0, '')
TRACE[xfpm-polkit.c:366] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.login1.reboot is authorized=TRUE
TRACE[xfpm-polkit.c:345] xfpm_polkit_check_auth_intern(): polkit request: (('unix-process', {'pid': <uint32 7393>, 'start-time': <uint64 28452>}), 'org.freedesktop.login1.suspend', @a{ss} {}, uint32 0, '')
TRACE[xfpm-polkit.c:366] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.login1.suspend is authorized=TRUE
TRACE[xfpm-polkit.c:345] xfpm_polkit_check_auth_intern(): polkit request: (('unix-process', {'pid': <uint32 7393>, 'start-time': <uint64 28452>}), 'org.freedesktop.login1.hibernate', @a{ss} {}, uint32 0, '')
TRACE[xfpm-polkit.c:366] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.login1.hibernate is authorized=FALSE
TRACE[xfpm-power.c:210] xfpm_power_check_polkit_auth(): using logind suspend backend
TRACE[xfpm-polkit.c:345] xfpm_polkit_check_auth_intern(): polkit request: (('unix-process', {'pid': <uint32 7393>, 'start-time': <uint64 28452>}), 'org.freedesktop.login1.suspend', @a{ss} {}, uint32 0, '')
TRACE[xfpm-polkit.c:366] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.login1.suspend is authorized=TRUE
TRACE[xfpm-polkit.c:345] xfpm_polkit_check_auth_intern(): polkit request: (('unix-process', {'pid': <uint32 7393>, 'start-time': <uint64 28452>}), 'org.freedesktop.login1.hibernate', @a{ss} {}, uint32 0, '')
TRACE[xfpm-polkit.c:366] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.login1.hibernate is authorized=FALSE
TRACE[xfpm-power.c:1412] xfpm_update_blank_time(): Timeout: 10
TRACE[xfpm-power.c:1412] xfpm_update_blank_time(): Timeout: 10
TRACE[xfpm-power.c:1412] xfpm_update_blank_time(): Timeout: 0
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 124 : ((XfpmButtonKey) BUTTON_POWER_OFF)

(xfce4-power-manager:7393): xfce4-power-manager-WARNING **: could not map keysym 1008ffa8 to keycode

TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 213 : ((XfpmButtonKey) BUTTON_HIBERNATE)
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 150 : ((XfpmButtonKey) BUTTON_SLEEP)
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 233 : ((XfpmButtonKey) BUTTON_MON_BRIGHTNESS_UP)
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 232 : ((XfpmButtonKey) BUTTON_MON_BRIGHTNESS_DOWN)
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 244 : ((XfpmButtonKey) BUTTON_BATTERY)
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 238 : ((XfpmButtonKey) BUTTON_KBD_BRIGHTNESS_UP)
TRACE[xfpm-button.c:183] xfpm_button_xevent_key(): Grabbed key 237 : ((XfpmButtonKey) BUTTON_KBD_BRIGHTNESS_DOWN)
TRACE[xfpm-manager.c:643] xfpm_manager_inhibit_sleep_systemd(): Inhibiting systemd sleep: handle-power-key:handle-suspend-key:handle-hibernate-key:handle-lid-switch

(xfce4-power-manager:7393): xfce4-power-manager-WARNING **: Unable to inhibit systemd sleep: Method 'Inhibit' returned type '(h)', but expected '()'

** (xfce4-power-manager:7393): WARNING **: No outputs have backlight property

(xfce4-power-manager:7393): xfce4-power-manager-WARNING **: Failed to get keyboard max brightness level : GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method "GetMaxBrightness" with signature "" on interface "org.freedesktop.UPower.KbdBacklight" doesn't exist

TRACE[xfpm-polkit.c:244] xfpm_polkit_free_data(): Destroying Polkit data
TRACE[xfpm-xfconf.c:202] xfpm_xfconf_property_changed_cb(): Property modified: /xfce4-power-manager/show-tray-icon


** (xfce4-power-manager:7393): WARNING **: No outputs have backlight property
TRACE[xfpm-manager.c:747] xfpm_manager_show_tray_icon(): Showing tray icon

(xfce4-power-manager:7393): GLib-ERROR **: /build/buildd/glib2.0-2.43.92/./glib/gmem.c:103: failed to allocate 18446744073685604833 bytes

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

GNU gdb (Ubuntu 7.9-1ubuntu1) 7.9
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
(gdb) handle SIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) attach 7393
Attaching to process 7393
Reading symbols from /usr/local/bin/xfce4-power-manager...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxfce4ui-2.so.0...Reading symbols from /usr/lib/debug/.build-id/95/08d89cc5615f73ee08da66f973673320713b22.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libgtk-3.so.0.1400.9...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libgdk-3.so.0.1400.9...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0.3600.8...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libpango-1.0.so.0.3600.8...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libcairo.so.2...Reading symbols from /usr/lib/debug/.build-id/7e/af5017cc77dbc6e8a35a6135e6dfc89e725c79.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxfce4util.so.7...Reading symbols from /usr/lib/debug/.build-id/68/5baa34931dfae83f7c728a277e3231f8e9158e.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxfconf-0.so.2...Reading symbols from /usr/lib/debug/.build-id/66/f85786604bc18a89e6aacfacce0e912d031a14.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libnotify.so.4...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0...Reading symbols from /usr/lib/debug/.build-id/aa/13ec1ba676127b7426de3d9cec8fdc0bfef9b1.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libupower-glib.so.3...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0...Reading symbols from /usr/lib/debug/.build-id/13/637266a4743fa05e385ca0a73957e64026ed4d.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libglib-2.0.so.0...Reading symbols from /usr/lib/debug/.build-id/29/1879faebe36f4171e07899cce04229f6a7c78b.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXrandr.so.2...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXrandr.so.2.2.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXext.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXext.so.6.4.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libX11.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libX11.so.6.3.0...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libpthread-2.21.so...done.
done.
[New LWP 7394]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libc-2.21.so...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libSM.so.6...Reading symbols from /usr/lib/debug/.build-id/5f/96c4f980d7c1b60211b7eb4bb5c845ea327dd2.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libICE.so.6...Reading symbols from /usr/lib/debug/.build-id/f2/8f2305f9629b0077f00313219e63a41870d7e2.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0...Reading symbols from /usr/lib/debug/.build-id/70/434af09b6b568bef95cacec281d1d76da1ca6c.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0...Reading symbols from /usr/lib/debug/.build-id/9c/01923e3f8f19f76c4cb47a92b58fdabd5b4f60.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libstartup-notification-1.so.0...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0...Reading symbols from /usr/lib/debug/.build-id/14/a58ca09b616ad34a324b606f72cf4389f28fab.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXi.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXi.so.6.1.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXfixes.so.3...Reading symbols from /usr/lib/debug/.build-id/e3/4ce899ad70f7cb95e2582b6624076105330451.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2...Reading symbols from /usr/lib/debug/.build-id/8d/998b20c9088390c1e8dcf471dd2de7f4759ecb.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0...Reading symbols from /usr/lib/debug/.build-id/dc/480b9d8c24d4b718bacee948b82792b9911213.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0.3600.8...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1...Reading symbols from /usr/lib/debug/.build-id/10/826a013922cc3287a0ccd208edf12470cfb7ea.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libm-2.21.so...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXinerama.so.1...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXinerama.so.1.0.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXcursor.so.1...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXcursor.so.1.0.2...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXcomposite.so.1...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXcomposite.so.1.0.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXdamage.so.1...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-client.so.0...Reading symbols from /usr/lib/debug/.build-id/55/3eb722a557e790f2c674b79f6536d9d70a4af1.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0...Reading symbols from /usr/lib/debug/.build-id/23/fcedc6311eba563070e8d701ba4efa57e5e3c1.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libmirclient.so.8...(no debugging symbols found)...done.
Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/librt-2.21.so...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libfreetype.so.6...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libthai.so.0...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0...Reading symbols from /usr/lib/debug/.build-id/e8/bf9e4db909b59d8ecce0130c55d915e61be47d.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libpng12.so.0...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0...Reading symbols from /usr/lib/debug/.build-id/68/b484672c382418bcdfc43d86e49e3a85878b8c.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-render.so.0...Reading symbols from /usr/lib/debug/.build-id/b7/6388103f97dec7945b919da1dc4bc9b3a84dad.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb.so.1...Reading symbols from /usr/lib/debug/.build-id/74/113b1c0b4c5b9c6e11b210535fb90ba34ea8cb.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXrender.so.1...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXrender.so.1.3.0...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libz.so.1...Reading symbols from /usr/lib/debug/.build-id/ea/f788cafa820ba83087bf85aab805a14aecb961.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2...Reading symbols from /usr/lib/debug/.build-id/2b/2573e3ea9be95b2d561b55eb2ff095c94ad0ed.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libselinux.so.1...(no debugging symbols found)...done.
Reading symbols from /lib/x86_64-linux-gnu/libresolv.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libresolv-2.21.so...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libffi.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libffi.so.6.0.4...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libpcre.so.3...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libpcre.so.3.13.1...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libdl-2.21.so...done.
done.
Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/ld-2.21.so...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libuuid.so.1...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-util.so.0...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libatspi.so.0...Reading symbols from /usr/lib/debug/.build-id/34/90b0e9f49ecc993378eada45a51b7ba374bd8e.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libdbus-1.so.3...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0...(no debugging symbols found)...done.
Reading symbols from /lib/x86_64-linux-gnu/libexpat.so.1...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libmircommon.so.3...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libmirprotobuf.so.0...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libboost_system.so.1.55.0...Reading symbols from /usr/lib/debug/.build-id/17/0729538b739c21cd1505aa1d9272e5d275bb9f.debug...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libprotobuf.so.9...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libstdc++.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.20...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libgcc_s.so.1...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libdatrie.so.1...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXau.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXau.so.6.0.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libXdmcp.so.6...Reading symbols from /usr/lib/debug//usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0...done.
done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libgraphite2.so.3...Reading symbols from /usr/lib/debug/.build-id/e0/e4638d7d556387c209124a9540737a31b07b26.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libudev.so.1...(no debugging symbols found)...done.
Reading symbols from /usr/lib/x86_64-linux-gnu/libboost_filesystem.so.1.55.0...Reading symbols from /usr/lib/debug/.build-id/48/234a6bddf437e1d1a7c6537b459ce2cc5b5c98.debug...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libnss_compat.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_compat-2.21.so...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libnsl.so.1...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnsl-2.21.so...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libnss_nis.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_nis-2.21.so...done.
done.
Reading symbols from /lib/x86_64-linux-gnu/libnss_files.so.2...Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_files-2.21.so...done.
done.
0x00007fa860f718dd in poll () at ../sysdeps/unix/syscall-template.S:81
81	../sysdeps/unix/syscall-template.S: No such file or directory.
(gdb) continue
Continuing.

Program received signal SIGTRAP, Trace/breakpoint trap.
g_logv (log_domain=0x7fa861c4454e "GLib", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7ffea0c13590) at /build/buildd/glib2.0-2.43.92/./glib/gmessages.c:1046
1046	/build/buildd/glib2.0-2.43.92/./glib/gmessages.c: No such file or directory.
(gdb) backtrace full
#0  0x00007fa861c03d00 in g_logv (log_domain=0x7fa861c4454e "GLib", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7ffea0c13590) at /build/buildd/glib2.0-2.43.92/./glib/gmessages.c:1046
        domain = 0x0
        data = 0x0
        depth = 0
        log_func = 0x7fa861c03590 <g_log_default_handler>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = 0
        test_level = <optimized out>
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        msg = 0x7fa84c0008c0 "/build/buildd/glib2.0-2.43.92/./glib/gmem.c:103: failed to allocate 18446744073685604833 bytes"
        msg_alloc = 0x7fa84c0008c0 "/build/buildd/glib2.0-2.43.92/./glib/gmem.c:103: failed to allocate 18446744073685604833 bytes"
        i = 2
#1  0x00007fa861c03f3f in g_log (log_domain=log_domain@entry=0x7fa861c4454e "GLib", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7fa861c4df20 "%s: failed to allocate %lu bytes") at /build/buildd/glib2.0-2.43.92/./glib/gmessages.c:1079
        args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7ffea0c13670, reg_save_area = 0x7ffea0c135b0}}
#2  0x00007fa861c027cc in g_malloc (n_bytes=n_bytes@entry=18446744073685604833) at /build/buildd/glib2.0-2.43.92/./glib/gmem.c:102
        mem = <optimized out>
#3  0x00007fa861c1b1a8 in g_strndup (str=0x16d6620 "", n=18446744073685604832) at /build/buildd/glib2.0-2.43.92/./glib/gstrfuncs.c:418
        __n = 18446744073685604833
        __s = 1
        __p = <optimized out>
        new_str = <optimized out>
#4  0x0000000000420b42 in get_device_icon_name (upower=<optimized out>, device=device@entry=0x16da570 [UpDevice]) at xfpm-power-common.c:206
        icon_name = 0x0
        icon_suffix = <optimized out>
        icon_base_length = <optimized out>
        upower_icon = 0x16d6620 ""
        type = 0
#5  0x000000000041cd64 in power_manager_button_update_device_icon_and_details (button=button@entry=0x1706270 [PowerManagerButton], device=device@entry=0x16da570 [UpDevice]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:385
        item = <optimized out>
        battery_device = 0x16d5470
        display_device = <optimized out>
        object_path = <optimized out>
        details = <optimized out>
        icon_name = <optimized out>
        upower_icon = 0x16d5070 ""
        pix = <optimized out>
        type = 0
#6  0x000000000041d376 in power_manager_button_add_device (device=0x16da570 [UpDevice], button=button@entry=0x1706270 [PowerManagerButton]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:477
        battery_device = 0x16d5470
        type = 0
        object_path = <optimized out>
        signal_id = 210
        __FUNCTION__ = "power_manager_button_add_device"
#7  0x000000000041db2b in power_manager_button_show (button=0x1706270 [PowerManagerButton]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:581
        array = 0x0
        i = <optimized out>
        mi = <optimized out>
        __FUNCTION__ = "power_manager_button_show"
#8  0x000000000041db2b in power_manager_button_show (button=0x1706270 [PowerManagerButton]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:1028
        mi = <optimized out>
        __FUNCTION__ = "power_manager_button_show"
#9  0x00000000004112a1 in xfpm_manager_set_property (manager=<optimized out>) at xfpm-manager.c:750
        manager = 0x14878e0 [XfpmManager]
        new_value = 0
#10 0x00000000004112a1 in xfpm_manager_set_property (object=0x14878e0 [XfpmManager], property_id=23991424, value=0x7ffea0c137e0, pspec=0x147de20 [GParamInt]) at xfpm-manager.c:217
        manager = 0x14878e0 [XfpmManager]
        new_value = 0
#11 0x00007fa861eda7db in g_object_set_property (nqueue=<optimized out>, value=<optimized out>, pspec=<optimized out>, object=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gobject.c:1415
        tmp_value = {g_type = 24, data = {{v_int = 1, v_uint = 1, v_long = 1, v_ulong = 1, v_int64 = 1, v_uint64 = 1, v_float = 1,40129846e-45, v_double = 4,9406564584124654e-324, v_pointer = 0x1}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        class = 0x1486f40
        nqueue = 0x1496980
        __FUNCTION__ = "g_object_set_property"
#12 0x00007fa861eda7db in g_object_set_property (object=0x14878e0 [XfpmManager], property_name=0x1486f40 "\220gH\001", value=0x7ffea0c13850) at /build/buildd/glib2.0-2.43.92/./gobject/gobject.c:2362
        nqueue = 0x1496980
        __FUNCTION__ = "g_object_set_property"
#13 0x00007fa8628c42c6 in xfconf_g_property_channel_notify (channel=<optimized out>, property=<optimized out>, value=<optimized out>, user_data=0x14a8280) at xfconf-binding.c:248
        binding = 0x14a8280
        pspec = <optimized out>
        dst_val = {g_type = 24, data = {{v_int = 1, v_uint = 1, v_long = 1, v_ulong = 1, v_int64 = 1, v_uint64 = 1, v_float = 1,40129846e-45, v_double = 4,9406564584124654e-324, v_pointer = 0x1}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        __FUNCTION__ = "xfconf_g_property_channel_notify"
#17 0x00007fa861eec8ff in <emit signal property-changed:/xfce4-power-manager/show-tray-icon on instance 0x143d780 [XfconfChannel]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3361
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7ffea0c13ce0, reg_save_area = 0x7ffea0c13c20}}
    #14 0x00007fa861ed22d5 in g_closure_invoke (closure=0x14ad0f0, return_value=0x0, n_param_values=3, param_values=0x7ffea0c13a50, invocation_hint=0x7ffea0c139f0) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:768
                marshal = <optimized out>
                marshal_data = <optimized out>
                in_marshal = 0
                real_closure = 0x14ad0d0
                __FUNCTION__ = "g_closure_invoke"
    #15 0x00007fa861ee403c in signal_emit_unlocked_R (node=node@entry=0x1496ef0, detail=detail@entry=913, instance=instance@entry=0x143d780, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffea0c13a50) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3549
                tmp = <optimized out>
                handler = 0x14a0b90
                accumulator = 0x0
                emission = {next = 0x7ffea0c13e30, instance = 0x143d780, ihint = {signal_id = 166, detail = 913, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                handler_list = <optimized out>
                return_accu = 0x0
                accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
                signal_id = 166
                max_sequential_handler_number = 135
                return_value_altered = 1
    #16 0x00007fa861eec698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffea0c13c00) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3305
                instance_and_params = 0x7ffea0c13a50
                signal_return_type = <optimized out>
                param_values = 0x7ffea0c13a68
                i = <optimized out>
                n_params = <optimized out>
                __FUNCTION__ = "g_signal_emit_valist"
#21 0x00007fa861eec8ff in <emit signal ??? on instance 0x143d800 [XfconfCache]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3361
        var_args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffea0c14140, reg_save_area = 0x7ffea0c14080}}
    #18 0x00007fa861ed22d5 in g_closure_invoke (closure=0x146f380, return_value=0x0, n_param_values=4, param_values=0x7ffea0c13ea0, invocation_hint=0x7ffea0c13e40) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:768
                marshal = <optimized out>
                marshal_data = <optimized out>
                in_marshal = 0
                real_closure = 0x146f360
                __FUNCTION__ = "g_closure_invoke"
    #19 0x00007fa861ee403c in signal_emit_unlocked_R (node=node@entry=0x1497210, detail=detail@entry=0, instance=instance@entry=0x143d800, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffea0c13ea0) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3549
                tmp = <optimized out>
                handler = 0x7fa854005c00
                accumulator = 0x0
                emission = {next = 0x7ffea0c14310, instance = 0x143d800, ihint = {signal_id = 167, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                handler_list = <optimized out>
                return_accu = 0x0
                accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
                signal_id = 167
                max_sequential_handler_number = 135
                return_value_altered = 0
    #20 0x00007fa861eec698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffea0c14060) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3305
                instance_and_params = 0x7ffea0c13ea0
                signal_return_type = <optimized out>
                param_values = 0x7ffea0c13eb8
                i = <optimized out>
                n_params = <optimized out>
                __FUNCTION__ = "g_signal_emit_valist"
#22 0x00007fa85c990f3c in marshal_dbus_message_to_g_marshaller (closure=0x146ef00, return_value=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=0x7ffea0c14320, marshal_data=0x0) at dbus-gproxy.c:1736
        value_array = 0x14a6280
        c_marshaller = 0x7fa8628cb0d0 <_xfconf_marshal_VOID__STRING_STRING_BOXED>
        proxy = 0x1490ab0 [DBusGProxy]
        message = <optimized out>
        gsignature = <optimized out>
        types = <optimized out>
        priv = 0x1490a60
        __FUNCTION__ = "marshal_dbus_message_to_g_marshaller"
#26 0x00007fa861eec8ff in <emit signal received:org-xfce-Xfconf-PropertyChanged on instance 0x1490ab0 [DBusGProxy]> (instance=instance@entry=0x1490ab0, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3361
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7ffea0c14610, reg_save_area = 0x7ffea0c14550}}
    #23 0x00007fa861ed22d5 in g_closure_invoke (closure=0x146ef00, return_value=0x0, n_param_values=3, param_values=0x7ffea0c14380, invocation_hint=0x7ffea0c14320) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:768
                marshal = <optimized out>
                marshal_data = <optimized out>
                in_marshal = 0
                real_closure = 0x146eee0
                __FUNCTION__ = "g_closure_invoke"
    #24 0x00007fa861ee403c in signal_emit_unlocked_R (node=node@entry=0x146ee40, detail=detail@entry=800, instance=instance@entry=0x1490ab0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffea0c14380) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3549
                tmp = <optimized out>
                handler = 0x1486800
                accumulator = 0x0
                emission = {next = 0x0, instance = 0x1490ab0, ihint = {signal_id = 165, detail = 800, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
                handler_list = <optimized out>
                return_accu = 0x0
                accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_uPython Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator': 
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator': 
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator': 
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator': 
long = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
                signal_id = 165
                max_sequential_handler_number = 135
                return_value_altered = 0
    #25 0x00007fa861eec698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffea0c14530) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3305
                instance_and_params = 0x7ffea0c14380
                signal_return_type = <optimized out>
                param_values = 0x7ffea0c14398
                i = <optimized out>
                n_params = <optimized out>
                __FUNCTION__ = "g_signal_emit_valist"
#27 0x00007fa85c991882 in dbus_g_proxy_manager_filter (message=0x1450180, proxy=0x1490ab0 [DBusGProxy]) at dbus-gproxy.c:1789
        gsignature = 0x1477ad0
        i = <optimized out>
        interface = <optimized out>
        signal = <optimized out>
        q = 800
        name = 0x14a4000 "org-xfce-Xfconf-PropertyChanged"
        priv = <optimized out>
        msg_gsignature = 0x7fa854005f90
        proxy = 0x1490ab0 [DBusGProxy]
        tri = <optimized out>
        tmp = 0x146f650
        full_list = 0x146f650
        owned_names = <optimized out>
        sender = <optimized out>
        manager = 0x148f600
        connection = <optimized out>
        user_data = 0x148f600
        message = 0x1450180
#28 0x00007fa85c991882 in dbus_g_proxy_manager_filter (connection=<optimized out>, message=0x1450180, user_data=0x148f600) at dbus-gproxy.c:1356
        proxy = 0x1490ab0 [DBusGProxy]
        tri = <optimized out>
        tmp = 0x146f650
        full_list = 0x146f650
        owned_names = <optimized out>
        sender = <optimized out>
        manager = 0x148f600
        connection = <optimized out>
        user_data = 0x148f600
        message = 0x1450180
#29 0x00007fa85b4501d1 in dbus_connection_dispatch () at /lib/x86_64-linux-gnu/libdbus-1.so.3
#30 0x00007fa85c98b5d5 in message_queue_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at dbus-gmain.c:90
        connection = 0x1492420
#31 0x00007fa861bfcc3d in g_main_context_dispatch (context=0x14503e0) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3122
        dispatch = 0x7fa85c98b5c0 <message_queue_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0x14942d0
        current = 0x1482010
        i = 0
#32 0x00007fa861bfcc3d in g_main_context_dispatch (context=context@entry=0x14503e0) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3737
#33 0x00007fa861bfcf20 in g_main_context_iterate (context=0x14503e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3808
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 6
        fds = 0x1448b80
#34 0x00007fa861bfd242 in g_main_loop_run (loop=0x14acb60) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:4002
        __FUNCTION__ = "g_main_loop_run"
#35 0x00007fa8639046f5 in gtk_main () at /build/buildd/gtk+3.0-3.14.9/./gtk/gtkmain.c:1207
        loop = 0x14acb60
#36 0x0000000000409d9f in xfpm_start (bus=bus@entry=0x147b060 [GDBusConnection], client_id=0x0, dump=<optimized out>) at xfpm-main.c:240
        manager = 0x14878e0 [XfpmManager]
        error = 0x0
        __func__ = "xfpm_start"
#37 0x000000000040a37f in main (argc=1, argv=0x7ffea0c14c28) at xfpm-main.c:447
        bus = 0x147b060 [GDBusConnection]
        error = 0x0
        proxy = <optimized out>
        octx = <optimized out>
        run = 0
        quit = 0
        config = 0
        version = 0
        reload = 0
        no_daemon = 1
        debug = 1
        dump = 0
        client_id = 0x0
        option_entries = {{long_name = 0x4239f1 "run", short_name = 114 'r', flags = 1, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c148e8, description = 0x0, arg_description = 0x0}, {long_name = 0x4239f5 "no-daemon", short_name = 0 '\000', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c148fc, description = 0x4239ff "Do not daemonize", arg_description = 0x0}, {long_name = 0x423a10 "debug", short_name = 0 '\000', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c14900, description = 0x423a16 "Enable debugging", arg_description = 0x0}, {long_name = 0x423a27 "dump", short_name = 0 '\000', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c14904, description = 0x423a2c "Dump all information", arg_description = 0x0}, {long_name = 0x424177 "restart", short_name = 0 '\000', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c148f8, description = 0x423c78 "Restart the running instance of Xfce power manager", arg_description = 0x0}, {long_name = 0x423a41 "customize", short_name = 99 'c', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c148f0, description = 0x423a4b "Show the configuration dialog", arg_description = 0x0}, {long_name = 0x42200b "quit", short_name = 113 'q', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c148ec, description = 0x423cb0 "Quit any running xfce power manager", arg_description = 0x0}, {long_name = 0x42216e "version", short_name = 86 'V', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffea0c148f4, description = 0x423a69 "Version information", arg_description = 0x0}, {long_name = 0x423a7d "sm-client-id", short_name = 0 '\000', flags = 1, arg = G_OPTION_ARG_STRING, arg_data = 0x7ffea0c14910, description = 0x0, arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
(gdb) info registers
rax            0x0	0
rbx            0x0	0
rcx            0x20000	131072
rdx            0x0	0
rsi            0x0	0
rdi            0x7fa84c000000	140360806301696
rbp            0x7fa861c4454e	0x7fa861c4454e
rsp            0x7ffea0c134d0	0x7ffea0c134d0
r8             0xffff	65535
r9             0x0	0
r10            0x0	0
r11            0x7fa84c000078	140360806301816
r12            0x2	2
r13            0x4	4
r14            0x2	2
r15            0x4	4
rip            0x7fa861c03d00	0x7fa861c03d00 <g_logv+480>
eflags         0x246	[ PF ZF IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0
(gdb) x/16i $pc
=> 0x7fa861c03d00 <g_logv+480>:	lea    0x2bd579(%rip),%rdi        # 0x7fa861ec1280 <g_log_depth>
   0x7fa861c03d07 <g_logv+487>:	mov    %ebx,%esi
   0x7fa861c03d09 <g_logv+489>:	callq  0x7fa861c412f0 <g_private_set>
   0x7fa861c03d0e <g_logv+494>:	test   %r12d,%r12d
   0x7fa861c03d11 <g_logv+497>:	jle    0x7fa861c03d2b <g_logv+523>
   0x7fa861c03d13 <g_logv+499>:	nopl   0x0(%rax,%rax,1)
   0x7fa861c03d18 <g_logv+504>:	sub    $0x1,%r12d
   0x7fa861c03d1c <g_logv+508>:	bt     %r12,%r15
   0x7fa861c03d20 <g_logv+512>:	jb     0x7fa861c03bf8 <g_logv+216>
   0x7fa861c03d26 <g_logv+518>:	test   %r12d,%r12d
   0x7fa861c03d29 <g_logv+521>:	jne    0x7fa861c03d18 <g_logv+504>
   0x7fa861c03d2b <g_logv+523>:	mov    0x8(%rsp),%rdi
   0x7fa861c03d30 <g_logv+528>:	callq  0x7fa861c02890 <g_free>
   0x7fa861c03d35 <g_logv+533>:	jmpq   0x7fa861c03b4c <g_logv+44>
   0x7fa861c03d3a <g_logv+538>:	nopw   0x0(%rax,%rax,1)
   0x7fa861c03d40 <g_logv+544>:	test   %r14d,%r14d
(gdb) thread apply all backtrace

Thread 2 (Thread 0x7fa859065700 (LWP 7394)):
#0  0x00007fa860f718dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa861bfcebc in g_main_context_iterate (priority=2147483647, n_fds=3, fds=0x7fa8540010e0, timeout=-1, context=0x14849c0) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:4103
#2  0x00007fa861bfcebc in g_main_context_iterate (context=0x14849c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3803
#3  0x00007fa861bfd242 in g_main_loop_run (loop=0x1484950) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:4002
#4  0x00007fa862416ae6 in gdbus_shared_thread_func (user_data=0x1484990) at /build/buildd/glib2.0-2.43.92/./gio/gdbusprivate.c:274
#5  0x00007fa861c23955 in g_thread_proxy (data=0x1439370) at /build/buildd/glib2.0-2.43.92/./glib/gthread.c:764
#6  0x00007fa8612476aa in start_thread (arg=0x7fa859065700) at pthread_create.c:333
#7  0x00007fa860f7ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fa8643cca00 (LWP 7393)):
#0  0x00007fa861c03d00 in g_logv (log_domain=0x7fa861c4454e "GLib", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7ffea0c13590) at /build/buildd/glib2.0-2.43.92/./glib/gmessages.c:1046
#1  0x00007fa861c03f3f in g_log (log_domain=log_domain@entry=0x7fa861c4454e "GLib", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7fa861c4df20 "%s: failed to allocate %lu bytes") at /build/buildd/glib2.0-2.43.92/./glib/gmessages.c:1079
#2  0x00007fa861c027cc in g_malloc (n_bytes=n_bytes@entry=18446744073685604833) at /build/buildd/glib2.0-2.43.92/./glib/gmem.c:102
#3  0x00007fa861c1b1a8 in g_strndup (str=0x16d6620 "", n=18446744073685604832) at /build/buildd/glib2.0-2.43.92/./glib/gstrfuncs.c:418
#4  0x0000000000420b42 in get_device_icon_name (upower=<optimized out>, device=device@entry=0x16da570 [UpDevice]) at xfpm-power-common.c:206
#5  0x000000000041cd64 in power_manager_button_update_device_icon_and_details (button=button@entry=0x1706270 [PowerManagerButton], device=device@entry=0x16da570 [UpDevice]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:385
#6  0x000000000041d376 in power_manager_button_add_device (device=0x16da570 [UpDevice], button=button@entry=0x1706270 [PowerManagerButton]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:477
#7  0x000000000041db2b in power_manager_button_show (button=0x1706270 [PowerManagerButton]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:581
#8  0x000000000041db2b in power_manager_button_show (button=0x1706270 [PowerManagerButton]) at ../panel-plugins/power-manager-plugin/power-manager-button.c:1028
#9  0x00000000004112a1 in xfpm_manager_set_property (manager=<optimized out>) at xfpm-manager.c:750
#10 0x00000000004112a1 in xfpm_manager_set_property (object=0x14878e0 [XfpmManager], property_id=23991424, value=0x7ffea0c137e0, pspec=0x147de20 [GParamInt]) at xfpm-manager.c:217
#11 0x00007fa861eda7db in g_object_set_property (nqueue=<optimized out>, value=<optimized out>, pspec=<optimized out>, object=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gobject.c:1415
#12 0x00007fa861eda7db in g_object_set_property (object=0x14878e0 [XfpmManager], property_name=0x1486f40 "\220gH\001", value=0x7ffea0c13850) at /build/buildd/glib2.0-2.43.92/./gobject/gobject.c:2362
#13 0x00007fa8628c42c6 in xfconf_g_property_channel_notify (channel=<optimized out>, property=<optimized out>, value=<optimized out>, user_data=0x14a8280) at xfconf-binding.c:248
#17 0x00007fa861eec8ff in <emit signal property-changed:/xfce4-power-manager/show-tray-icon on instance 0x143d780 [XfconfChannel]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3361
    #14 0x00007fa861ed22d5 in g_closure_invoke (closure=0x14ad0f0, return_value=0x0, n_param_values=3, param_values=0x7ffea0c13a50, invocation_hint=0x7ffea0c139f0) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:768
    #15 0x00007fa861ee403c in signal_emit_unlocked_R (node=node@entry=0x1496ef0, detail=detail@entry=913, instance=instance@entry=0x143d780, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffea0c13a50) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3549
    #16 0x00007fa861eec698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffea0c13c00) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3305
#21 0x00007fa861eec8ff in <emit signal ??? on instance 0x143d800 [XfconfCache]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3361
    #18 0x00007fa861ed22d5 in g_closure_invoke (closure=0x146f380, return_value=0x0, n_param_values=4, param_values=0x7ffea0c13ea0, invocation_hint=0x7ffea0c13e40) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:768
    #19 0x00007fa861ee403c in signal_emit_unlocked_R (node=node@entry=0x1497210, detail=detail@entry=0, instance=instance@entry=0x143d800, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffea0c13ea0) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3549
    #20 0x00007fa861eec698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffea0c14060) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3305
#22 0x00007fa85c990f3c in marshal_dbus_message_to_g_marshaller (closure=0x146ef00, return_value=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=0x7ffea0c14320, marshal_data=0x0) at dbus-gproxy.c:1736
#26 0x00007fa861eec8ff in <emit signal received:org-xfce-Xfconf-PropertyChanged on instance 0x1490ab0 [DBusGProxy]> (instance=instance@entry=0x1490ab0, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3361
    #23 0x00007fa861ed22d5 in g_closure_invoke (closure=0x146ef00, return_value=0x0, n_param_values=3, param_values=0x7ffea0c14380, invocation_hint=0x7ffea0c14320) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:768
    #24 0x00007fa861ee403c in signal_emit_unlocked_R (node=node@entry=0x146ee40, detail=detail@entry=800, instance=instance@entry=0x1490ab0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffea0c14380) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3549
    #25 0x00007fa861eec698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffea0c14530) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3305
#27 0x00007fa85c991882 in dbus_g_proxy_manager_filter (message=0x1450180, proxy=0x1490ab0 [DBusGProxy]) at dbus-gproxy.c:1789
#28 0x00007fa85c991882 in dbus_g_proxy_manager_filter (connection=<optimized out>, message=0x1450180, user_data=0x148f600) at dbus-gproxy.c:1356
#29 0x00007fa85b4501d1 in dbus_connection_dispatch () at /lib/x86_64-linux-gnu/libdbus-1.so.3
#30 0x00007fa85c98b5d5 in message_queue_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at dbus-gmain.c:90
#31 0x00007fa861bfcc3d in g_main_context_dispatch (context=0x14503e0) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3122
#32 0x00007fa861bfcc3d in g_main_context_dispatch (context=context@entry=0x14503e0) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3737
#33 0x00007fa861bfcf20 in g_main_context_iterate (context=0x14503e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:3808
#34 0x00007fa861bfd242 in g_main_loop_run (loop=0x14acb60) at /build/buildd/glib2.0-2.43.92/./glib/gmain.c:4002
#35 0x00007fa8639046f5 in gtk_main () at /build/buildd/gtk+3.0-3.14.9/./gtk/gtkmain.c:1207
#36 0x0000000000409d9f in xfpm_start (bus=bus@entry=0x147b060 [GDBusConnection], client_id=0x0, dump=<optimized out>) at xfpm-main.c:240
#37 0x000000000040a37f in main (argc=1, argv=0x7ffea0c14c28) at xfpm-main.c:447
(gdb) quit
A debugging session is active.

	Inferior 1 [process 7393] will be detached.

Quit anyway? (y or n) y
Detaching from program: /usr/local/bin/xfce4-power-manager, process 7393