Re: [gdm-list] greeter restart after using wrong username
- From: Francis Giraldeau <francis giraldeau revolutionlinux com>
- To: Brian Cameron <Brian Cameron Sun COM>
- Cc: gdm-list gnome org
- Subject: Re: [gdm-list] greeter restart after using wrong username
- Date: Tue, 24 Apr 2007 08:51:43 -0400
Brian Cameron a écrit :
>> I have a strange behavior, maybe someone already saw it.
>> When using pam_ldap or pam_winbind by XDMCP, and entering a wrong
>> credential, GDM doesn't display the standard message "wrong username or
>> passord". In place of that, the greeter reset completely and reloads, as
>> if CTRL-ALT-Backspace was pressed.
>> How can I do the debug of that?
>> Have a nice day,
> That is odd. Try running gdmsetup, and turning on debug by checking
> the checkbox in the Security tab. Then restart gdm by running
> gdm-restart as root (this will cause any running sessions to exit
> so don't run it with unsaved data in your running session).
> Then share with us the "gdm" related messages that get sent to
> your syslog (/var/adm/messages or /var/log/messages) file. This
> will probably highlight the problem.
Here it is:
Mar 5 11:12:27 mxapp1-1 gdm(pam_unix): check pass; user unknown
Mar 5 11:12:27 mxapp1-1 gdm(pam_unix): authentication failure;
logname= uid=0 euid=0 tty=10.113.2.67:0 ruser= rhost=10.113.2.67
Mar 5 11:12:27 mxapp1-1 gdm: gdm_cleanup_children: child 24581
crashed of signal 11
Mar 5 11:12:27 mxapp1-1 gdm: gdm_cleanup_children: Slave
crashed, killing its children
> Normally when the greeter restarts, it is because there was a crash.
> Is there a core file in your root (/) directory, or in /var/lib/gdm
> or /var/lib/log/gdm? Sometimes gdm will leave core files here that
> we can check for a stacktrace.
I confirm you that I do have coredumps.
# file core.24977
core.24977: ELF 32-bit LSB core file Intel 80386, version 1 (SYSV),
SVR4-style, from 'P'
Core was generated by `/usr/lib/gdmgreeter'.
But I have no debugging symbols. I will recompile it with debugging
enabled and will comes back with results. Thanks for the tip.
Have a nice day,
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