On 3/26/2019 5:17 PM, Cliff McDiarmid via blfs-support wrote:
Hi
I've got an new LFS that I can't start at the moment because of a fault with
GDM. I get a blank screen, where the only way out is with Ctrl-Alt-delete.
Apparently one can turn debugging on through the the 'config' file. I've tried
this and get nothing. How do I get logging working? Or is it the journal only?
thanks
I'm not using systemd-jouranld at the moment, so I can't answer your
question directly. Looks like daemon/gdm-launch-environment.c doesn't
guard the greeter logging with systemd ifdefs, so probably does the
logging itself in /var/log/gdm/greeter.log. I could be wrong on that, I
only looked briefly, but I might be able to assist with the problem
itself. A blank screen implies that we are not able to create a display.
Make certain that you've built systemd with all of the recommended deps
in BLFS, that you've updated the Linux PAM files at the end of the
systemd page in BLFS, and double check that you've built Cairo with the
additional flag --enable-gl (required for Wayland). If you've omitted
that flag, I'm not absolutely certain, but I think you'll also need to
rebuild mutter, gnome-session, and gdm (so that "wayland" is a valid
value for XDG_SESSION_TYPE).
HTH
--DJ
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