Comment 15 for bug 1537389

and the last updates broke it for me too (black screen on tty8, Num Lock doesn't work on tty8)

unity8.log
android_dlopen called but not implemented!
unity8: linker.c:27: android_dlopen: Assertion `0' failed.
()
qtmir.screens: ScreensModel::ScreensModel
[2016-05-06 10:42:04.970417] mirplatform: Found graphics driver: mir:mesa-x11 (version 0.22.0)
[2016-05-06 10:42:04.972690] mirplatform: Found graphics driver: mir:mesa-kms (version 0.22.0)
qtmir.mir: MirServer created
qtmir.mir: Command line arguments passed to Qt: ("unity8")
[2016-05-06 10:42:04.989166] mirserver: Starting
ERROR: QMirServer - Mir failed to start

unity8-dash.log
Loading module: 'libubuntu_application_api_desktop_mirclient.so.3.0.0'
Loading module: 'libubuntu_application_api_desktop_mirclient.so.3.0.0'
UbuntuClientIntegration: connection to Mir server failed. Check that a Mir server is
running, and the correct socket is being used and is accessible. The shell may have
rejected the incoming connection, so check its log file
UbuntuClientIntegration: connection to Mir server failed. Check that a Mir server is
running, and the correct socket is being used and is accessible. The shell may have
rejected the incoming connection, so check its log file