Comment 10 for bug 993694

Hi there Thomas,
thanks for your detailed information so far. I also am unable to reproduce this myself. However from the stacktrace you supplied, I see the crash is happening during dbus traffic. I suspect these errors are vital:

[WARNING] Object::connect: No such signal QDBusAbstractInterface::activeChanged(bool) in /build/buildd/unity-2d-5.10.0/libunity-2d-private/src/dashclient.cpp:72
[WARNING] Object::connect: No such signal QDBusAbstractInterface::alwaysFullScreenChanged(bool) in /build/buildd/unity-2d-5.10.0/libunity-2d-private/src/dashclient.cpp:74
[WARNING] Object::connect: No such signal QDBusAbstractInterface::screenChanged(int) in /build/buildd/unity-2d-5.10.0/libunity-2d-private/src/dashclient.cpp:76
[WARNING] void DashClient::connectToDash(): Fetching Dash.active property failed
[WARNING] void DashClient::connectToDash(): Fetching Dash.alwaysFullScreen property failed
[WARNING] void DashClient::connectToDash(): Fetching Dash.screen property failed
[WARNING] Object::connect: No such signal QDBusAbstractInterface::activeChanged(bool) in /build/buildd/unity-2d-5.10.0/libunity-2d-private/src/hudclient.cpp:71
[WARNING] Object::connect: No such signal QDBusAbstractInterface::screenChanged(int) in /build/buildd/unity-2d-5.10.0/libunity-2d-private/src/hudclient.cpp:73
[WARNING] void HUDClient::connectToHud(): Fetching HUD.active property failed
[WARNING] void HUDClient::connectToHud(): Fetching Hud.screen property failed

Some properties like Dash.active and HUD.active are shared between the panel & the shell via dbus (when Dash/HUD open, panel reacts). These errors imply that something is broken with this property sharing. I need to dig more to determine what could be going wrong.