Date: Thu, 11 Jul 2002 01:19:56 +0300 (IDT) From: ezislis <kesor@mail.ru> To: gnome@freebsd.org Cc: jirka@5z.com Subject: GDM 2.4.0.x & FreeBSD Message-ID: <20020711010419.H37195-100000@finone.in.kesor.net>
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Greets,
I saw marcus ask for some more debug information about the gdm problems
so here it goes:
The problem -
When starting 'gdm --nodaemon' from /etc/ttys instead of from the console
or from /usr/X11R6/etc/rc.d/gdm.sh script, GDM gets stuck just after one
writes his username in the prompt.
Porposed fixes - either run gdm as root from console, or via rc.d script.
Debugging -
I have compiled GDM 2.4.0.1 (changed the makefile) without stripping
binaries. I have put 'gdm --nodaemon' in /etc/ttys and done 'kill -1 1'
I attached gdb to the slave gdm-binary by using 'gdb gdm-binary 35366'
Entered my username in the prompt, and hit on enter.
GDM got stuck.
I used '^C' in gdb to break, and wrote 'bt'
--- quote ---
(gdb) bt
#0 0x288c61d7 in __srget () from /usr/lib/libc_r.so.4
#1 0x8058dee in gdm_slave_greeter_ctl (cmd=35 '#', str=0x80679a3
"") at /usr/include/stdio.h:418
#2 0x80555a6 in run_pictures () at slave.c:1080
#3 0x8056270 in gdm_slave_greeter () at slave.c:1477
#4 0x8054a2f in gdm_slave_run (display=0x80b2000) at slave.c:603
#5 0x8054236 in gdm_slave_start (display=0x80b2000) at
slave.c:271
#6 0x8053b0b in gdm_display_manage (d=0x80b2000) at display.c:217
#7 0x8050625 in gdm_start_first_unborn_local (delay=0) at
gdm.c:764
#8 0x805184f in main (argc=3, argv=0xbfbffde0) at gdm.c:1497
#9 0x804ef31 in _start ()
--- end quote ---
from what i have discussed with vicious on irc, he said :
--- quote ---
<_vicious_> it seems to be getting stuck on run_pictures
<_vicious_> is the face browser enabled?
<Kesor> I have the factory_gdm.conf
<_vicious_> ok, then it shouldn't be enable
<_vicious_> I think then that the greeters get confused
<_vicious_> basically run pictures is part of the dialogue where the
daemon is asking the greeter if it needs any pictures
<Kesor> but the face thingy is disabled, so it shouldnt get there...
<_vicious_> the greeter should just tell the daemon to go piss off and to
continue without pictures
<_vicious_> ahhh
<_vicious_> wait a minute
<_vicious_> I just remembered the warnings that showed up on screen
<_vicious_> it would then seem like the communication pipe between daemon
and greeter is just not working
<Kesor> ohh, the glib warnings..
--- end quote ---
The warnings mentioned, are glib warnings that appear when gdm is run as
root from console, they are :
(process:98958): GLib-WARNING **: Need to have NULL encoding to set the
buffering state of the channel.
and usually appear several times.
Thats it for problem #1, the gdm standard greeting.
There is also problem #2, which is triyng to run the graphical greeter
(the one with the themes and background and the other eye candy)
When the gdm.conf file is specified to make gdm run in the more graphical
mode, then right after gdm is started - it shows the X root screen only,
and hangs there, without any prompts or background changes..
It appears that this happens both when gdm is run from /etc/ttys, and when
it is run from the CLI or from a rc.d script.
again, heres what vicious said :
--- quote ---
<Kesor> ok, how about the graphical gdm?
<_vicious_> it's the same thing I bet
<_vicious_> only the graphical login likely gets stuck earlier
<_vicious_> before it can display anything
--- end quote ---
for those of you who dont know vicious, he is the developer of gdm.
Hope this report will help bring gdm to freebsd in a working condition -
I could not fix this myself, so good luck to those who can.
-- Kesor
--
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--G. B. Stern
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