GNU gdb 6.6-debian
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This GDB was configured as "i486-linux-gnu"...
(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) handle SIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) run
Starting program: /usr/bin/vino-preferences 
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Failed to read a valid object file image from memory.
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[Thread debugging using libthread_db enabled]
[New Thread -1226213696 (LWP 14760)]

** ERROR **: file vino-preferences.c: line 108 (vino_preferences_dialog_get_password_from_keyring): assertion failed: (matches != NULL && matches->data != NULL)
aborting...

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread -1226213696 (LWP 14760)]
0xb7968cab in IA__g_logv (log_domain=<value optimized out>, log_level=G_LOG_LEVEL_ERROR, format=0xb79b15f0 "file %s: line %d (%s): assertion failed: (%s)", args1=0xbfb81a5c "oÅ\004\bl") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:493
493	/build/buildd/glib2.0-2.13.5/glib/gmessages.c: No such file or directory.
	in /build/buildd/glib2.0-2.13.5/glib/gmessages.c
(gdb) backtrace full
#0  0xb7968cab in IA__g_logv (log_domain=<value optimized out>, log_level=G_LOG_LEVEL_ERROR, format=0xb79b15f0 "file %s: line %d (%s): assertion failed: (%s)", args1=0xbfb81a5c "oÅ\004\bl") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:493
	buffer = "·ð\033\222·\001\000\000\000\030\026¸¿\000\034\222·8\027¸¿\026\214¡·à\211£·¸M\005\b\001\000\000\000ð1\t\bì\026¸¿\000\000\000\000\005\000\000\000ÔH¢·\f\030\222·\001\000\000\000h\026¸¿Ü\211£·Ü\211£·x\206£·\024\027¸¿ä\026¸¿\230à\v\b\000\000\000\000èÎ\b\bäD¢\0019ë\236·\020ii\r(¨\221·´\026¸¿y»ù·ÈÃ\221·/ë\236·,µ\237·\034µ\237·°½î¶\002\000¸¿\231\fú·Ðê\236·(µ\237·ôÏú·\234¸î¶\v\000\000\0008\027¸¿B¿ù·¹° ·\020\000\000\000\001\000\000@\230é\v\bA\030\000"...
	depth = <value optimized out>
	domain = <value optimized out>
	data = (gpointer) 0x0
	log_func = (GLogFunc) 0xb7969800 <IA__g_log_default_handler>
	domain_fatal_mask = 5
	test_level = <value optimized out>
	was_recursion = 0
	i = <value optimized out>
#1  0xb7968f29 in IA__g_log (log_domain=0x0, log_level=G_LOG_LEVEL_ERROR, format=0xb79b15f0 "file %s: line %d (%s): assertion failed: (%s)") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:517
	args = 0xbfb81a5c "oÅ\004\bl"
#2  0xb7968fa6 in IA__g_assert_warning (log_domain=0x0, file=0x804c56f "vino-preferences.c", line=108, pretty_function=0x804c920 "vino_preferences_dialog_get_password_from_keyring", expression=0x804c39c "matches != NULL && matches->data != NULL") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:552
No locals.
#3  0x0804be36 in main ()
No symbol table info available.
(gdb) info registers
eax            0x9f01	40705
ecx            0x1	1
edx            0xb7916120	-1215209184
ebx            0xb79ea21c	-1214340580
esp            0xbfb815b0	0xbfb815b0
ebp            0xbfb81a18	0xbfb81a18
esi            0x0	0
edi            0x2	2
eip            0xb7968cab	0xb7968cab <IA__g_logv+667>
eflags         0x200246	[ PF ZF IF ID ]
cs             0x73	115
ss             0x7b	123
ds             0x7b	123
es             0x7b	123
fs             0x0	0
gs             0x33	51
(gdb) thread apply all backtrace

Thread 1 (Thread -1226213696 (LWP 14760)):
#0  0xb7968cab in IA__g_logv (log_domain=<value optimized out>, log_level=G_LOG_LEVEL_ERROR, format=0xb79b15f0 "file %s: line %d (%s): assertion failed: (%s)", args1=0xbfb81a5c "oÅ\004\bl") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:493
#1  0xb7968f29 in IA__g_log (log_domain=0x0, log_level=G_LOG_LEVEL_ERROR, format=0xb79b15f0 "file %s: line %d (%s): assertion failed: (%s)") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:517
#2  0xb7968fa6 in IA__g_assert_warning (log_domain=0x0, file=0x804c56f "vino-preferences.c", line=108, pretty_function=0x804c920 "vino_preferences_dialog_get_password_from_keyring", expression=0x804c39c "matches != NULL && matches->data != NULL") at /build/buildd/glib2.0-2.13.5/glib/gmessages.c:552
#3  0x0804be36 in main ()
(gdb) quit
The program is running.  Exit anyway? (y or n)