OK, sorry this took longer than it should have.

The bad news for me is that my Core2 system is broken. Although I
successfully logged into Unity8 from the 16.10 live session and Unity8
worked perfectly.

But it seems your problems are all to do with Unity8 crashing due to an
exception coming from Mir itself:

[2016-09-27:13:35:29.383] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::setKeymap("pinyin")
xkbcommon: ERROR: Couldn't find file "symbols/pinyin" in include paths
xkbcommon: ERROR: 1 include paths searched:
xkbcommon: ERROR: /usr/share/X11/xkb
xkbcommon: ERROR: 1 include paths could not be added:
xkbcommon: ERROR: /home/liong/.xkb
xkbcommon: ERROR: Abandoning symbols file "(unnamed)"
xkbcommon: ERROR: Failed to compile xkb_symbols
xkbcommon: ERROR: Failed to compile keymap
terminate called after throwing an instance of 
'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error>
 >'
  what(): failed to assemble keymap from given parameters

** Summary changed:

- unity8 of 16.10 can't start, keep black screen, lenovo R61i
+ Unity8 crashed with "failed to assemble keymap from given parameters"

** Package changed: unity8 (Ubuntu) => mir (Ubuntu)

** Changed in: mir (Ubuntu)
   Importance: Undecided => Critical

** Also affects: mir
   Importance: Undecided
       Status: New

** Changed in: mir
   Importance: Undecided => Critical

** Changed in: mir (Ubuntu)
       Status: Incomplete => New

** Changed in: canonical-devices-system-image
       Status: Incomplete => New

** Changed in: mir
     Assignee: (unassigned) => Andreas Pokorny (andreas-pokorny)

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1627942

Title:
  Unity8 crashed with "failed to assemble keymap from given parameters"

Status in Canonical System Image:
  New
Status in Mir:
  New
Status in mir package in Ubuntu:
  New

Bug description:
  I only install openbox, LXQT and Unity8 session.
  LxQt is fine.

  After input password,
  The screen is black few seconds.
  Next in screen there are is a small rectangle with text "Scope".
  Next In the rectangle there is a ubuntu arc logo is rolling.
  Next the rolling logo is frozen.
  Next all are black few seconds.
  From a ssh console ,I can see the cpu rate of unity8, unity8.dash or applet.y 
is very high(70% --100%)

  And again and again.

  If anybody need more info, comments on the issue.
  This is its upstart.log:

  [2016-09-27:13:35:18.182] qtmir.screens: ScreensModel::ScreensModel
  [2016-09-27 13:35:18.198252] mirplatform: Found graphics driver: mir:mesa-kms 
(version 0.24.0)
  [2016-09-27 13:35:18.198494] mirplatform: Found graphics driver: mir:mesa-x11 
(version 0.24.0)
  [2016-09-27:13:35:18.200] qtmir.mir: MirServer created
  [2016-09-27:13:35:18.200] qtmir.mir: Command line arguments passed to Qt: 
("unity8", "--mode=full-shell")
  [2016-09-27:13:35:18.203] QSocketNotifier: Can only be used with threads 
started with QThread
  [2016-09-27 13:35:18.204972] mirserver: Starting
  [2016-09-27 13:35:18.254431] mirserver: Using nested cursor
  [2016-09-27 13:35:18.255972] mirserver: Initial display configuration:
  [2016-09-27 13:35:18.258509] mirserver:   0.30: LVDS 14.0" 300x190mm
  [2016-09-27 13:35:18.258591] mirserver:         Current mode 1280x800 60.00Hz
  [2016-09-27 13:35:18.258637] mirserver:         Preferred mode 1280x800 
60.00Hz
  [2016-09-27 13:35:18.258672] mirserver:         Logical position +0+0
  [2016-09-27 13:35:18.258716] mirserver:   0.40: unused VGA
  [2016-09-27 13:35:18.258755] mirserver:   0.43: unused DVI-D
  [2016-09-27:13:35:18.259] qtmir.mir: 
PromptSessionListener::PromptSessionListener - this= 
PromptSessionListener(0x7f5b6c204630)
  [2016-09-27:13:35:18.259] qtmir.mir: SessionListener::SessionListener - this= 
SessionListener(0x7f5b6c204540)
  [2016-09-27:13:35:18.261] qtmir.mir: 
MirWindowManagerImpl::MirWindowManagerImpl
  [2016-09-27 13:35:18.263049] mirserver: Mir version 0.24.0
  [2016-09-27:13:35:18.263] qtmir.screens: QtCompositor::start
  [2016-09-27:13:35:18.342] qtmir.screens: ScreensModel::update
  [2016-09-27:13:35:18.343] qtmir.sensor: Screen - nativeOrientation is: 
Qt::ScreenOrientation(LandscapeOrientation)
  [2016-09-27:13:35:18.344] qtmir.sensor: Screen - initial currentOrientation 
is: Qt::ScreenOrientation(LandscapeOrientation)
  [2016-09-27:13:35:18.355] qtmir.screens: Added Screen with id 30 and geometry 
QRect(0,0 1280x800)
  [2016-09-27:13:35:18.355] qtmir.screens: Screen::setMirDisplayBuffer 
Screen(0x5570d2904f40) 0x7f5b6c1d2ca0 0x7f5b6c2028f0
  [2016-09-27:13:35:18.355] qtmir.screens: 
=======================================
  [2016-09-27:13:35:18.355] qtmir.screens: Screen(0x5570d2904f40) - id: 30 
geometry: QRect(0,0 1280x800) window: 0x0 type: "LVDS" scale: 1
  [2016-09-27:13:35:18.355] qtmir.screens: 
=======================================
  [2016-09-27:13:35:18.484] qtmir.applications: 
UnityApplicationPlugin::registerTypes - this= 
UnityApplicationPlugin(0x7f5b40047ba0) uri= Unity.Application
  [2016-09-27:13:35:20.824] Using "/etc/ubuntu/devices.conf" as device 
configuration file
  [2016-09-27:13:35:20.832] QObject: Cannot create children for a parent that 
is in a different thread.
  (Parent is DashCommunicator(0x5570d2a8fbf0), parent's thread is 
QThread(0x5570d28a83f0), current thread is DashCommunicator(0x5570d2a8fbf0)
  [2016-09-27:13:35:20.833] unity.topsurfacelist: TopLevelSurfaceList()
  [2016-09-27:13:35:20.834] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:20.842] 
file:///usr/share/unity8//Components/Showable.qml:43: Error: Cannot assign to 
non-existent property "target"
  [2016-09-27:13:35:20.843] 
file:///usr/share/unity8//Components/Showable.qml:42: Error: Cannot assign to 
non-existent property "target"
  [2016-09-27:13:35:20.891] Fail to connect with service: 
QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name 
com.canonical.pim was not provided by any .service files")
  [2016-09-27:13:35:21.211] Failed to get all properties for 
"com.ubuntu.location.providers.here.AccountsService" : "No such interface"
  [2016-09-27:13:35:21.226] CursorImageProvider: "" not found (nor its 
fallbacks, if any). Going for "left_ptr" as a last resort.
  [2016-09-27:13:35:21.257] qtmir.applications: applicationManagerSingleton - 
engine= 0x5570d28e7cd0 scriptEngine= 0x5570d28e7cd0
  [2016-09-27:13:35:21.278] qtmir.applications: 
ApplicationManager::ApplicationManager (this=%p) 
qtmir::ApplicationManager(0x5570d2bf3660)
  [2016-09-27:13:35:21.293] qtmir.applications: surfaceManagerSingleton - 
engine= 0x5570d28e7cd0 scriptEngine= 0x5570d28e7cd0
  [2016-09-27:13:35:21.293] qtmir.sessions: SessionManager::SessionManager - 
this= qtmir::SessionManager(0x5570d2bfcc10)
  [2016-09-27:13:35:21.293] qtmir.surfaces: 
MirSurfaceManager::MirSurfaceManager - this= 
qtmir::MirSurfaceManager(0x5570d2bfd520)
  [2016-09-27:13:35:21.293] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  initctl: No such variable: UNITY_MIR_SOCKET
  [2016-09-27:13:35:21.315] Couldn't find a .desktop file for "dialer-app" . 
Skipping...
  [2016-09-27:13:35:21.319] Couldn't find a .desktop file for "messaging-app" . 
Skipping...
  [2016-09-27:13:35:21.340] Couldn't find a .desktop file for 
"com.ubuntu.camera_camera" . Skipping...
  [2016-09-27:13:35:21.346] Couldn't find a .desktop file for 
"com.ubuntu.gallery_gallery" . Skipping...
  [2016-09-27:13:35:21.429] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:21.431] unity.topsurfacelist: 
setApplicationsModel(qtmir::ApplicationManager(0x5570d2bf3660, name = 
qtmir::ApplicationManager))
  [2016-09-27:13:35:21.664] qtmir.mir: SessionAuthorizer::connection_is_allowed 
- this= SessionAuthorizer(0x7f5b6c1aa9d0) pid= 31124
  [2016-09-27:13:35:22.177] Failed to initialize lights hardware.
  [2016-09-27:13:35:22.177] No lights device
  Attempted to unregister path (path[0] = null path[1] = null) which isn't 
registered
  [2016-09-27:13:35:22.962] This backend doesn't support multiple users
  [2016-09-27:13:35:24.831] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:137:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:24.831] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:103:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:24.831] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:70:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:25.639] qml: Calculating new usage mode. Pointer devices: 0 
current mode: Windowed old device count 0 root width: 40 height: 71
  [2016-09-27:13:35:25.645] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:137:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:25.648] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:103:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:25.652] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:70:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:25.924] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.937] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.943] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.950] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.957] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.964] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.970] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.977] 
file:///usr/share/unity8//Panel/IndicatorItem.qml:141:5: QML Label: Binding 
loop detected for property "text"
  [2016-09-27:13:35:25.986] 
file:///usr/share/unity8//Stages/DesktopSpread.qml:467:33: Unable to assign 
[undefined] to QUrl
  [2016-09-27:13:35:25.988] qtmir.screens: Screen::setWindow - new geometry for 
shell surface ShellView(0x5570d29fe840) QRect(0,0 1280x800)
  [2016-09-27:13:35:25.988] qtmir.screens: ScreenWindow 0x5570d31a2e20 with 
window ID 1 backed by Screen(0x5570d2904f40) with ID 30
  [2016-09-27:13:35:25.989] qtmir.screens: QWindow ShellView(0x5570d29fe840) 
with geom QRect(0,0 1280x800) is backed by a Screen(0x5570d2904f40) with 
geometry QRect(0,0 1280x800)
  [2016-09-27:13:35:25.990] qml: Calculating new usage mode. Pointer devices: 0 
current mode: Staged old device count 0 root width: 160 height: 71
  [2016-09-27:13:35:26.004] qtmir.screens: ScreensModel::onCompositorStarting
  [2016-09-27:13:35:26.005] qtmir.screens: ScreensModel::update
  [2016-09-27:13:35:26.005] qtmir.screens: Screen::setMirDisplayBuffer 
Screen(0x5570d2904f40) 0x7f5b6c1d2ca0 0x7f5b6c2028f0
  [2016-09-27:13:35:26.005] qtmir.screens: 
=======================================
  [2016-09-27:13:35:26.005] qtmir.screens: Screen(0x5570d2904f40) - id: 30 
geometry: QRect(0,0 1280x800) window: 0x5570d31a2e20 type: "LVDS" scale: 1
  [2016-09-27:13:35:26.005] qtmir.screens: 
=======================================
  [2016-09-27:13:35:26.005] qtmir.screens: ScreenWindow::setExposed 
0x5570d31a2e20 true 0x5570d2904f50
  [2016-09-27:13:35:26.007] qtmir.applications: 
ApplicationManager::authorizeSession - pid= 31124
  [2016-09-27:13:35:26.009] qtmir.applications: Process supplied 
desktop_file_hint, loading: "unity8-dash"

  ** (process:31095): WARNING **: Unable to get snap information for 
'': Status code is: 404
  [2016-09-27:13:35:26.037] qtmir.applications: New process with pid 31124 
appeared, adding new application to the application list with appId: 
"unity8-dash"
  [2016-09-27:13:35:26.037] qtmir.applications: 
Application["unity8-dash"]::Application()
  [2016-09-27:13:35:26.037] qtmir.applications: 
ApplicationManager::add(appId="unity8-dash")
  [2016-09-27:13:35:26.037] unity.topsurfacelist: addApplication(unity8-dash)
  [2016-09-27:13:35:26.037] unity.topsurfacelist: appendPlaceholder(unity8-dash)
  [2016-09-27:13:35:26.046] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:26.054] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.054] qtmir.surfaces: 
MirSurfaceItem::setOrientationAngle(0)
  [2016-09-27:13:35:26.054] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.297] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:26.301] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:26.308] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.308] qtmir.surfaces: 
MirSurfaceItem::setOrientationAngle(0)
  [2016-09-27:13:35:26.308] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.348] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:26.359] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:26.367] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.368] qtmir.surfaces: 
MirSurfaceItem::setOrientationAngle(0)
  [2016-09-27:13:35:26.368] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.410] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(80, 56))
  [2016-09-27:13:35:26.450] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(320, 56))
  [2016-09-27:13:35:26.451] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(320, 376))
  [2016-09-27:13:35:26.459] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:26.465] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.465] qtmir.surfaces: 
MirSurfaceItem::setOrientationAngle(0)
  [2016-09-27:13:35:26.465] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.499] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:26.502] unity.topsurfacelist: raiseId(id=1) - Model busy 
(modelState=1). Try again in the next event loop.
  [2016-09-27:13:35:26.503] unity.topsurfacelist: appendSurfaceHelper after 
(index=0,appId=unity8-dash,surface=0x0,id=1)
  [2016-09-27:13:35:26.506] qtmir.applications: 
ApplicationManager::add(appId="unity8-dash") - after "unity8-dash"
  [2016-09-27:13:35:26.506] qtmir.mir: 
SessionAuthorizer::configure_display_is_allowed - this= 
SessionAuthorizer(0x7f5b6c1aa9d0) pid= 31124
  [2016-09-27:13:35:26.506] qtmir.mir: 
SessionAuthorizer::set_base_display_configuration_is_allowed - this= 
SessionAuthorizer(0x7f5b6c1aa9d0) pid= 31124
  [2016-09-27:13:35:26.507] qtmir.mir: SessionAuthorizer::screencast_is_allowed 
- this= SessionAuthorizer(0x7f5b6c1aa9d0) pid= 31124
  [2016-09-27:13:35:26.507] qtmir.mir: 
SessionAuthorizer::prompt_session_is_allowed - this= 
SessionAuthorizer(0x7f5b6c1aa9d0) pid= 31124
  [2016-09-27:13:35:26.508] qtmir.mir: SessionListener::starting - this= 
SessionListener(0x7f5b6c204540) session= 0x7f5b4c001c60
  [2016-09-27:13:35:26.633] qtmir.surfaces: MirSurfaceItem::~MirSurfaceItem - 
this= qtmir::MirSurfaceItem(0x5570d31cb590, name="surfaceItem", parent=0x0, 
geometry=0,0 568x296)
  [2016-09-27:13:35:26.634] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.721] qtmir.surfaces: MirSurfaceItem::~MirSurfaceItem - 
this= qtmir::MirSurfaceItem(0x5570d33e9280, name="surfaceItem", parent=0x0, 
geometry=0,0 0x0)
  [2016-09-27:13:35:26.722] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.729] qtmir.surfaces: MirSurfaceItem::~MirSurfaceItem - 
this= qtmir::MirSurfaceItem(0x5570d32dc9b0, name="surfaceItem", parent=0x0, 
geometry=0,0 0x0)
  [2016-09-27:13:35:26.730] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.750] Input device added: "Power Button" 
"/dev/input/event3" QFlags(0x1)
  [2016-09-27:13:35:26.751] Input device added: "Video Bus" "/dev/input/event4" 
QFlags(0x1)
  [2016-09-27:13:35:26.753] Input device added: "Lid Switch" 
"/dev/input/event1" QFlags(0x20)
  [2016-09-27:13:35:26.755] Input device added: "Sleep Button" 
"/dev/input/event2" QFlags(0x1)
  [2016-09-27:13:35:26.757] Input device added: "PixArt USB Optical Mouse" 
"/dev/input/event6" QFlags(0x2)
  [2016-09-27:13:35:26.759] Input device added: "HDA Intel Mic" 
"/dev/input/event9" QFlags(0x20)
  [2016-09-27:13:35:26.761] Input device added: "HDA Intel Dock Mic" 
"/dev/input/event10" QFlags(0x20)
  [2016-09-27:13:35:26.762] Input device added: "HDA Intel Front Headphone" 
"/dev/input/event11" QFlags(0x20)
  [2016-09-27:13:35:26.764] Input device added: "AT Translated Set 2 keyboard" 
"/dev/input/event0" QFlags(0x1|0x10)
  [2016-09-27:13:35:26.766] Input device added: "SynPS/2 Synaptics TouchPad" 
"/dev/input/event5" QFlags(0x4)
  [2016-09-27:13:35:26.768] Input device added: "TPPS/2 IBM TrackPoint" 
"/dev/input/event7" QFlags(0x2)
  [2016-09-27:13:35:26.771] Input device added: "ThinkPad Extra Buttons" 
"/dev/input/event8" QFlags(0x1|0x20)
  [2016-09-27:13:35:26.773] qml: Calculating new usage mode. Pointer devices: 1 
current mode: Staged old device count 0 root width: 160 height: 100
  [2016-09-27:13:35:26.775] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:137:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:26.776] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:103:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:26.777] 
file:///usr/share/unity8//Tutorial/TutorialContent.qml:70:5: QML Loader: 
Binding loop detected for property "active"
  [2016-09-27:13:35:26.798] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:26.802] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.803] qtmir.surfaces: 
MirSurfaceItem::setOrientationAngle(0)
  [2016-09-27:13:35:26.803] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.844] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:26.850] qtmir.surfaces: MirSurfaceItem::MirSurfaceItem
  [2016-09-27:13:35:26.857] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.858] qtmir.surfaces: 
MirSurfaceItem::setOrientationAngle(0)
  [2016-09-27:13:35:26.859] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:26.896] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(80, 56))
  [2016-09-27:13:35:26.902] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(320, 56))
  [2016-09-27:13:35:26.904] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(320, 376))
  [2016-09-27:13:35:26.907] unity.topsurfacelist: raiseId(id=1) - do it now.
  [2016-09-27:13:35:26.909] 
file:///usr/share/unity8//Stages/DesktopSpread.qml:467:33: Unable to assign 
[undefined] to QUrl
  [2016-09-27:13:35:26.911] qml: Calculating new usage mode. Pointer devices: 2 
current mode: Windowed old device count 1 root width: 160 height: 100
  [2016-09-27:13:35:26.912] qml: Calculating new usage mode. Pointer devices: 3 
current mode: Windowed old device count 2 root width: 160 height: 100
  [2016-09-27:13:35:26.955] APP_ID isn't set, the handler ignored
  [2016-09-27:13:35:26.979] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(320, 376))
  [2016-09-27:13:35:26.980] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(320, 376))
  [2016-09-27:13:35:27.017] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:27.017] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:27.036] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:27.037] qtmir.applications: 
Application["unity8-dash"]::setInitialSurfaceSize(size=QSize(-1, -1))
  [2016-09-27:13:35:27.068] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:27.070] QObject::disconnect: signal not found in 
LauncherModel
  [2016-09-27:13:35:27.071] QObject::disconnect: signal not found in 
LauncherModel
  [2016-09-27:13:35:27.071] QObject::disconnect: signal not found in 
LauncherModel
  [2016-09-27:13:35:27.072] QObject::disconnect: signal not found in 
LauncherModel
  [2016-09-27:13:35:27.072] QObject::disconnect: signal not found in 
LauncherModel
  [2016-09-27:13:35:27.073] QObject::disconnect: signal not found in 
LauncherModel
  [2016-09-27:13:35:27.628] [PERFORMANCE]: Last frame took 524 ms to render.
  [2016-09-27:13:35:27.651] unity.topsurfacelist: raiseId(id=1) - do it now.
  [2016-09-27:13:35:27.652] qtmir.sessions: SessionManager::onSessionStarting - 
sessionName= unity8-dash
  [2016-09-27:13:35:27.652] qtmir.surfaces: 
Session[0x5570d362e2a0,name="unity8-dash"]::Session()
  [2016-09-27:13:35:27.653] qtmir.applications: 
Application["unity8-dash"]::setSession(session=qtmir::Session(0x5570d362e2a0))
  [2016-09-27:13:35:27.654] qtmir.surfaces: 
Session[0x5570d362e2a0,name="unity8-dash"]::resume state=starting
  [2016-09-27:13:35:27.664] qtmir.surfaces: MirSurfaceItem::~MirSurfaceItem - 
this= qtmir::MirSurfaceItem(0x5570d36127a0, name="surfaceItem", parent=0x0, 
geometry=0,0 1280x776)
  [2016-09-27:13:35:27.665] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=QObject(0x0)
  [2016-09-27:13:35:27.806] qml: EdgeBarrierSettings: min=2gu(16px), 
max=60gu(480px), sensitivity=0.35, threshold=39.7gu(317.6px)
  [2016-09-27:13:35:27.814] [PERFORMANCE]: Last frame took 133 ms to render.
  [2016-09-27:13:35:27.937] 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.3/Icon.qml:115:5: 
QML Image: Failed to get image from provider: 
image://theme/indicator-keyboard-Pi
  [2016-09-27:13:35:28.636] [PERFORMANCE]: Last frame took 49 ms to render.
  [2016-09-27:13:35:28.819] 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.3/Icon.qml:115:5: 
QML Image: Cannot open: file:///home/git/.face
  [2016-09-27:13:35:28.828] 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.3/Icon.qml:115:5: 
QML Image: Cannot open: file:///home/liong/.face
  [2016-09-27:13:35:29.138] qtmir.applications: 
ApplicationManager::onSessionAboutToCreateSurface appId="unity8-dash"
  [2016-09-27:13:35:29.138] qtmir.mir: MirWindowManagerImpl::add_surface(): 
didn't get a initial surface size from shell. Falling back to fullscreen 
placement
  [2016-09-27:13:35:29.138] qtmir.mir: MirWindowManagerImpl::add_surface(): 
size requested ( 320 , 544 ) and placed ( 1280 , 800 )
  [2016-09-27:13:35:29.139] qtmir.mir: SessionListener::surface_created - this= 
SessionListener(0x7f5b6c204540) session= 0x7f5b4c001c60 surface= 0x7f5b4c5f9bf0
  [2016-09-27:13:35:29.140] qtmir.surfaces: 
MirSurfaceManager::onSessionCreatedSurface - mirSession= 0x7f5b4c001c60 
surface= 0x7f5b4c5f9bf0 surface.name= Scopes creationHints= 
"CreationHints(minW=320,minH=320,maxW=16777215,maxH=16777215,wIncr=0,hInc=0,shellChrome=normal)"
  [2016-09-27:13:35:29.142] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::MirSurface()
  [2016-09-27:13:35:29.143] qtmir.surfaces: 
Session[0x5570d362e2a0,name="unity8-dash"]::registerSurface(surface=qtmir::MirSurface(0x5570d3750f60))
  [2016-09-27:13:35:29.368] qtmir.surfaces: 
Session[0x5570d362e2a0,name="unity8-dash"]::prependSurface(surface=qtmir::MirSurface(0x5570d3750f60))
  [2016-09-27:13:35:29.369] unity.topsurfacelist: appendSurface 
appId=unity8-dash surface=qtmir::MirSurface(0x5570d3750f60), filling out 
placeholder. after: (index=0,appId=unity8-dash,surface=0x5570d3750f60,id=1)
  [2016-09-27:13:35:29.370] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=qtmir::MirSurface(0x5570d3750f60)
  [2016-09-27:13:35:29.371] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::registerView(93943069350384) after=1
  [2016-09-27:13:35:29.371] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::updateVisibility(true)
  [2016-09-27:13:35:29.372] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::onAttributeChanged visible = true
  [2016-09-27:13:35:29.373] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::setScreenmoved toQPoint(0,0)px
  [2016-09-27:13:35:29.374] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::updateActiveFocus() unfocused
  [2016-09-27:13:35:29.376] qtmir.surfaces: MirSurfaceItem::setSurface 
surface=qtmir::MirSurface(0x5570d3750f60)
  [2016-09-27:13:35:29.377] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::registerView(93943067488208) after=2
  [2016-09-27:13:35:29.379] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::resize old (1280,800), new (320,376)
  [2016-09-27:13:35:29.380] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::setScreenmoved toQPoint(0,0)px
  [2016-09-27:13:35:29.381] qtmir.surfaces: 
MirFocusController::setFocusedSurface(qtmir::MirSurface(0x5570d3750f60))
  [2016-09-27:13:35:29.381] unity.topsurfacelist: 
raise(MirSurface[0x5570d3750f60])
  [2016-09-27:13:35:29.382] unity.topsurfacelist: raiseId(id=1) - do it now.
  [2016-09-27:13:35:29.382] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::raise()
  [2016-09-27:13:35:29.383] qtmir.surfaces: 
MirSurface[0x5570d3750f60,"unity8-dash"]::setKeymap("pinyin")
  xkbcommon: ERROR: Couldn't find file "symbols/pinyin" in include paths
  xkbcommon: ERROR: 1 include paths searched:
  xkbcommon: ERROR:     /usr/share/X11/xkb
  xkbcommon: ERROR: 1 include paths could not be added:
  xkbcommon: ERROR:     /home/liong/.xkb
  xkbcommon: ERROR: Abandoning symbols file "(unnamed)"
  xkbcommon: ERROR: Failed to compile xkb_symbols
  xkbcommon: ERROR: Failed to compile keymap
  terminate called after throwing an instance of 
'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error>
 >'
    what():  failed to assemble keymap from given parameters

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