Unity won't start after upgrading to 13.04

Question

Well, everything has gone to crap after upgrading from 12.10 to 13.04. After logging in I see no panels whatsoever, only desktop with some files. Trying to run unity from terminal results in following:

    compiz (core) - Info: Starting plugin: core
unity-panel-service: no process found
compiz (core) - Info: Loading plugin: ccp
compiz (core) - Info: Starting plugin: ccp
compizconfig - Info: Backend     : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile     : unity
compiz (core) - Info: Loading plugin: composite
compiz (core) - Info: Starting plugin: composite
compiz (core) - Info: Loading plugin: opengl
compiz (core) - Info: Unity is fully supported by your hardware.
compiz (core) - Info: Unity is fully supported by your hardware.
compiz (core) - Info: Starting plugin: opengl
compiz (core) - Info: Loading plugin: compiztoolbox
compiz (core) - Info: Starting plugin: compiztoolbox
compiz (core) - Info: Loading plugin: decor
compiz (core) - Info: Starting plugin: decor
compiz (core) - Info: Loading plugin: grid
compiz (core) - Info: Starting plugin: grid
compiz (core) - Info: Loading plugin: resize
compiz (core) - Info: Starting plugin: resize
compiz (core) - Info: Loading plugin: gnomecompat
compiz (core) - Info: Starting plugin: gnomecompat
compiz (core) - Info: Loading plugin: copytex
compiz (core) - Info: Starting plugin: copytex
compiz (core) - Info: Loading plugin: snap
compiz (core) - Info: Starting plugin: snap
compiz (core) - Info: Loading plugin: regex
compiz (core) - Info: Starting plugin: regex
compiz (core) - Info: Loading plugin: vpswitch
compiz (core) - Info: Starting plugin: vpswitch
compiz (core) - Info: Loading plugin: place
compiz (core) - Info: Starting plugin: place
compiz (core) - Info: Loading plugin: scale
compiz (core) - Info: Starting plugin: scale
compiz (core) - Info: Loading plugin: imgpng
compiz (core) - Info: Starting plugin: imgpng
compiz (core) - Info: Loading plugin: move
compiz (core) - Info: Starting plugin: move
compiz (core) - Info: Loading plugin: mousepoll
compiz (core) - Info: Starting plugin: mousepoll
compiz (core) - Info: Loading plugin: session
compiz (core) - Info: Starting plugin: session
compiz (core) - Info: Loading plugin: wall
compiz (core) - Info: Starting plugin: wall
compiz (core) - Info: Loading plugin: animation
compiz (core) - Info: Starting plugin: animation
compiz (core) - Info: Loading plugin: unitymtgrabhandles
compiz (core) - Info: Starting plugin: unitymtgrabhandles
compiz (core) - Info: Loading plugin: expo
compiz (core) - Info: Starting plugin: expo
compiz (core) - Info: Loading plugin: ezoom
compiz (core) - Info: Starting plugin: ezoom
compiz (core) - Info: Loading plugin: workarounds
compiz (core) - Info: Starting plugin: workarounds
compiz (core) - Info: Loading plugin: unityshell
compiz (core) - Info: Starting plugin: unityshell
WARN  2013-04-29 17:23:52 unity.glib.dbus.server GLibDBusServer.cpp:580 Can't register object 'com.canonical.Autopilot.Introspection' yet as we don't have a connection, waiting for it...
WARN  2013-04-29 17:23:52 unity.glib.dbus.server GLibDBusServer.cpp:580 Can't register object 'com.canonical.Unity.Debug.Logging' yet as we don't have a connection, waiting for it...
WARN  2013-04-29 17:23:53 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-writer.desktop' is using a deprecated format for its actions that will be dropped soon.
WARN  2013-04-29 17:23:53 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-calc.desktop' is using a deprecated format for its actions that will be dropped soon.
WARN  2013-04-29 17:23:53 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-impress.desktop' is using a deprecated format for its actions that will be dropped soon.
WARN  2013-04-29 17:23:53 unity.glib.dbus.server GLibDBusServer.cpp:580 Can't register object 'com.canonical.Unity.Launcher' yet as we don't have a connection, waiting for it...
WARN  2013-04-29 17:23:53 unity.glib.dbus.server GLibDBusServer.cpp:580 Can't register object 'com.canonical.Unity.Dash' yet as we don't have a connection, waiting for it...
WARN  2013-04-29 17:23:53 unity.glib.dbus.server GLibDBusServer.cpp:580 Can't register object 'org.gnome.SessionManager.EndSessionDialog' yet as we don't have a connection, waiting for it...
compiz (decor) - Warn: No default decoration found, placement will not be correct
compiz (decor) - Warn: No default decoration found, placement will not be correct
compiz (decor) - Warn: No default decoration found, placement will not be correct
compiz (decor) - Warn: No default decoration found, placement will not be correct
compiz (decor) - Warn: No default decoration found, placement will not be correct
compiz (decor) - Warn: No default decoration found, placement will not be correct
Bus error (core dumped)