On lightdm pressing the Switch User button does nothing.
dm-tool switch-to-greeter switches to the greeter, but does not seem to lock my current account.
Is there any way to fix this, or even to debug this?
/var/syslog I seem to get this error:
(gnome-shell:1303): mutter-WARNING **: STACK_OP_RAISE_ABOVE: window 0x6701a00016 not in stack which seems related.
I am running debian jessie.