>>> Has anyone set up lightdm?  I'm using it with the default config file
>>> but I get a black screen with no error in Xorg.0.log.  gdm works fine.
>>>  Any ideas?
>>
>> I'm not using lightdm, but my understanding is that it's as minimalist
>> as you can get while still technically using a display manager. Check
>> into its configuration in /etc/config, etc. Find out exactly what it's
>> using (launching) for an xinitrc.
>>
>> Also check out ~/.X*, and see if there are any user-local errors or logs of 
>> use.
>
> Thanks, got it working by recompiling udev as mentioned in the last
> comment here:
>
> http://hwoarang.silverarrow.org/2011/09/18/lightdm-on-gentoo-artwork-needed/
>
> - Grant

It stopped working.  I have the same problem described here:

https://bugs.gentoo.org/show_bug.cgi?id=395327

It hangs with this from /var/log/lightdm/lightdm.log:

DEBUG: Waiting for ready signal from X server :0

It does this on 2 of my systems but succeeds on the other.  The next
lines on the successful system are:

DEBUG: Acquired bus name org.freedesktop.DisplayManager
DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0

The fix described in the bug is to add dbus to use in /etc/init.d/xdm
but dbus is already in there.  dbus is currently started on all 3
systems.  Any ideas?

- Grant

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