*** This bug is a duplicate of bug 1535058 *** https://bugs.launchpad.net/bugs/1535058
Almost certainly it's one of those. And those two are possibly the same bug. ** This bug has been marked a duplicate of bug 1535058 applications close instantly when launched from the launcher or dash -- 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/1545636 Title: Unity8: All apps fail to start Status in unity8 package in Ubuntu: Incomplete Bug description: I haven't done much testing of Unity8 since before I went on vacation last year, but now I look at it again all Qt apps in the dash fail to start. They just flash up a window briefly and then go away. The same failure does not happen with native Mir apps like Xmir or mir_demo_client_* Here are the logs from the failures of Browser and System Settings: --- Clicked on Browser: qtmir.applications: ApplicationManager::onProcessStarting - appId= "webbrowser-app" qtmir.applications: ApplicationController::desktopFilePathForAppId - appId= "webbrowser-app" qtmir.applications: Loading desktop file "/usr/share/applications/webbrowser-app.desktop" for appId "webbrowser-app" qtmir.applications: Application::Application - appId= "webbrowser-app" com.canonical.powerd DBus interface not available, waiting for it qtmir.applications: ApplicationManager::add - appId= "webbrowser-app" qtmir.surfaces: MirSurfaceItem::MirSurfaceItem qtmir.surfaces: MirSurfaceItem::setOrientationAngle(0) qtmir.surfaces: MirSurfaceItem::MirSurfaceItem qtmir.surfaces: MirSurfaceItem::setOrientationAngle(0) qtmir.applications: ApplicationManager::focusApplication - appId= "webbrowser-app" qtmir.applications: Application::setFocused - appId= "unity8-dash" focused= false qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "unity8-dash" qtmir.applications: Application::setFocused - appId= "webbrowser-app" focused= true qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "webbrowser-app" qtmir.applications: ApplicationManager::move - from= 1 to= 0 qtmir.applications: ApplicationManager::move after "webbrowser-app,unity8-dash" qtmir.surfaces: MirSurface[0x157a8e0,"unity8-dash"]::setFocus(false) qtmir.applications: ApplicationManager::focusApplication - appId= "webbrowser-app" qtmir.applications: Application::setFocused - appId= "webbrowser-app" focused= false qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "webbrowser-app" qtmir.applications: Application::setFocused - appId= "webbrowser-app" focused= true qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "webbrowser-app" qtmir.applications: ApplicationManager::move - from= 0 to= 0 qtmir.applications: ApplicationManager::onProcessFailed - appId= "webbrowser-app" duringStartup= true qtmir.applications: Application::setInternalState - appId= "webbrowser-app" state= Stopped qtmir.applications: ApplicationManager::remove - appId= "webbrowser-app" qtmir.applications: ApplicationManager::unfocusCurrentApplication qtmir.applications: ApplicationManager::focusApplication - appId= "unity8-dash" qtmir.applications: Application::setFocused - appId= "unity8-dash" focused= true qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "unity8-dash" qtmir.applications: ApplicationManager::move - from= 0 to= 0 qtmir.surfaces: MirSurface[0x157a8e0,"unity8-dash"]::setFocus(true) com.canonical.powerd DBus interface not available, presuming no wakelocks held qtmir.applications: ApplicationManager::onProcessStopped - appId= "webbrowser-app" ApplicationManager::onProcessStopped reports stop of appId= "webbrowser-app" which AppMan is not managing, ignoring the event qtmir.clipboard: D-Bus GetContents - returning 0 bytes file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.0/Icon.qml:37:5: QML QQuickImage: Cannot open: file:///home/dan/.face ---- Clicked on System Settings: qtmir.applications: ApplicationManager::onProcessStarting - appId= "ubuntu-system-settings" qtmir.applications: ApplicationController::desktopFilePathForAppId - appId= "ubuntu-system-settings" qtmir.applications: Loading desktop file "/usr/share/applications/ubuntu-system-settings.desktop" for appId "ubuntu-system-settings" qtmir.applications: Application::Application - appId= "ubuntu-system-settings" com.canonical.powerd DBus interface not available, waiting for it qtmir.applications: ApplicationManager::add - appId= "ubuntu-system-settings" qtmir.surfaces: MirSurfaceItem::MirSurfaceItem qtmir.surfaces: MirSurfaceItem::setOrientationAngle(0) qtmir.surfaces: MirSurfaceItem::MirSurfaceItem qtmir.surfaces: MirSurfaceItem::setOrientationAngle(0) qtmir.applications: ApplicationManager::focusApplication - appId= "ubuntu-system-settings" qtmir.applications: Application::setFocused - appId= "unity8-dash" focused= false qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "unity8-dash" qtmir.applications: Application::setFocused - appId= "ubuntu-system-settings" focused= true qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "ubuntu-system-settings" qtmir.applications: ApplicationManager::move - from= 1 to= 0 qtmir.applications: ApplicationManager::move after "ubuntu-system-settings,unity8-dash" qtmir.surfaces: MirSurface[0x157a8e0,"unity8-dash"]::setFocus(false) qtmir.applications: ApplicationManager::focusApplication - appId= "ubuntu-system-settings" qtmir.applications: Application::setFocused - appId= "ubuntu-system-settings" focused= false qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "ubuntu-system-settings" qtmir.applications: Application::setFocused - appId= "ubuntu-system-settings" focused= true qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "ubuntu-system-settings" qtmir.applications: ApplicationManager::move - from= 0 to= 0 qtmir.applications: ApplicationManager::onProcessFailed - appId= "ubuntu-system-settings" duringStartup= true qtmir.applications: Application::setInternalState - appId= "ubuntu-system-settings" state= Stopped qtmir.applications: ApplicationManager::remove - appId= "ubuntu-system-settings" qtmir.applications: ApplicationManager::unfocusCurrentApplication qtmir.applications: ApplicationManager::focusApplication - appId= "unity8-dash" qtmir.applications: Application::setFocused - appId= "unity8-dash" focused= true qtmir.applications: ApplicationManager::onAppDataChanged: Received "focused" update "unity8-dash" qtmir.applications: ApplicationManager::move - from= 0 to= 0 qtmir.surfaces: MirSurface[0x157a8e0,"unity8-dash"]::setFocus(true) com.canonical.powerd DBus interface not available, presuming no wakelocks held qtmir.applications: ApplicationManager::onProcessStopped - appId= "ubuntu-system-settings" ApplicationManager::onProcessStopped reports stop of appId= "ubuntu-system-settings" which AppMan is not managing, ignoring the event qtmir.clipboard: D-Bus GetContents - returning 0 bytes file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.0/Icon.qml:37:5: QML QQuickImage: Cannot open: file:///home/dan/.face ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: unity8 8.11+16.04.20160208-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-4.19-generic 4.4.1 Uname: Linux 4.4.0-4-generic x86_64 ApportVersion: 2.19.4-0ubuntu2 Architecture: amd64 Date: Mon Feb 15 17:12:28 2016 InstallationDate: Installed on 2015-12-03 (73 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151202) SourcePackage: unity8 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1545636/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp