I can't reproduce any such problem on a pure 16.10 install. The error:
what(): option cannot be specified more than once
implies that your lightdm is passing an extra option when it executes
the unity-system-compositor command.
** Also affects: lightdm
** Also affects: lightdm (Ubuntu)
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Unity8 session fails to start due to unity-system-compositor
Status in Light Display Manager:
Status in Unity System Compositor:
Status in lightdm package in Ubuntu:
I've upgraded to 16.10 to try out the latest and the greatest.
Unfortunately, the Unity8 session does not work anymore. It was
working as expected on 16.04 with the overlay PPA.
When I select "Unity8" in lightdm and enter my password, the password
box disappears, and nothing else happens. I can still access all the
indicators, so lightdm is not completely frozen. I then have to reboot
or restart lightdm in tty1 to log in Unity 7.
I do have a "system problem detected" warning and I did send the
report, but I can't find it on Launchpad, that's why I'm filing this
I'm using Ubuntu 16.10 64bits, with the opensource radeon driver.
Further info from the automatic bug report:
Title : unity-system-compositor crashed with SIGABRT in
I'm attaching some logs that might be useful.
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