After starting up gdb with the commands you instructed, starting users-admin shows no users in the list, making it impossible for me to reproduce the problem.
Showing the gdb log here anyway, hope it can be some help.
asif@asif-laptop:~$ sudo killall system-tools-backends
system-tools-backends: no process found
asif@asif-laptop:~$ sudo gdb /usr/sbin/system-tools-backends
GNU gdb (GDB) 7.0.1-ubuntu
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/sbin/system-tools-backends...Reading symbols from /usr/lib/debug/usr/sbin/system-tools-backends...done.
(no debugging symbols found)...done.
(gdb) break dispatcher.c:547
Breakpoint 1 at 0x40431f: file dispatcher.c, line 547.
(gdb) run
Starting program: /usr/sbin/system-tools-backends
[Thread debugging using libthread_db enabled]
Breakpoint 1, dispatch_self_config (connection=<value optimized out>,
message=0x61c190, data=<value optimized out>) at dispatcher.c:547
547 dispatcher.c: No such file or directory.
in dispatcher.c
(gdb) print (message_uid == uid)
$1 = 1
(gdb) print message_uid
$2 = <value optimized out>
(gdb) print uid
$3 = <value optimized out>
(gdb)
Even weirder stuff.
After starting up gdb with the commands you instructed, starting users-admin shows no users in the list, making it impossible for me to reproduce the problem.
Showing the gdb log here anyway, hope it can be some help.
asif@asif-laptop:~$ sudo killall system- tools-backends tools-backends: no process found system- tools-backends gnu.org/ licenses/ gpl.html> www.gnu. org/software/ gdb/bugs/>... system- tools-backends. ..Reading symbols from /usr/lib/ debug/usr/ sbin/system- tools-backends. ..done. system- tools-backends
system-
asif@asif-laptop:~$ sudo gdb /usr/sbin/
GNU gdb (GDB) 7.0.1-ubuntu
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://
Reading symbols from /usr/sbin/
(no debugging symbols found)...done.
(gdb) break dispatcher.c:547
Breakpoint 1 at 0x40431f: file dispatcher.c, line 547.
(gdb) run
Starting program: /usr/sbin/
[Thread debugging using libthread_db enabled]
Breakpoint 1, dispatch_ self_config (connection=<value optimized out>, 0x61c190, data=<value optimized out>) at dispatcher.c:547
message=
547 dispatcher.c: No such file or directory.
in dispatcher.c
(gdb) print (message_uid == uid)
$1 = 1
(gdb) print message_uid
$2 = <value optimized out>
(gdb) print uid
$3 = <value optimized out>
(gdb)