yoni

:~ yoni$ sudo gdb
GNU gdb 6.3.50-20050815 (Apple version gdb-1346) (Fri Sep 18 20:40:51 UTC 2009)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin".
(gdb) attach 25643
Attaching to process 25643.  ****************************** THE SOON TO CRASH GDB PROCESS *****************************
Reading symbols for shared libraries . done
Reading symbols for shared libraries ............................... done
0x00007fff801ce9f2 in select$DARWIN_EXTSN ()
(gdb) c
Continuing.

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000001
0x0000000100106c53 in bundle_basename ()
(gdb) thread apply all where

Thread 7 (process 25643):
#0  0x00007fff801a494a in __workq_kernreturn ()
#1  0x00007fff801a4d5c in _pthread_wqthread ()
#2  0x00007fff801a49c5 in start_wqthread ()

Thread 6 (process 25643):
#0  0x00007fff801a494a in __workq_kernreturn ()
#1  0x00007fff801a4d5c in _pthread_wqthread ()
#2  0x00007fff801a49c5 in start_wqthread ()

Thread 5 (process 25643):
#0  0x00007fff801a3b16 in kevent ()
#1  0x00007fff801a5a19 in _dispatch_mgr_invoke ()
#2  0x00007fff801a56d6 in _dispatch_queue_invoke ()
#3  0x00007fff801a51f6 in _dispatch_worker_thread2 ()
#4  0x00007fff801a4b28 in _pthread_wqthread ()
#5  0x00007fff801a49c5 in start_wqthread ()

Thread 4 (process 25643):
#0  0x00007fff8018ad7a in mach_msg_trap ()
#1  0x00007fff8018b3ed in mach_msg ()
#2  0x00007fff84c78ce2 in __CFRunLoopRun ()
#3  0x00007fff84c7803f in CFRunLoopRunSpecific ()
#4  0x00007fff838a14ac in SpotlightQueryThread ()
#5  0x00007fff801c3f66 in _pthread_start ()
#6  0x00007fff801c3e19 in thread_start ()

Thread 3 (process 25643):
#0  0x00007fff801d9032 in __wait4 ()
#1  0x000000010015ef08 in macosx_signal_thread ()
#2  0x00007fff801c3f66 in _pthread_start ()
#3  0x00007fff801c3e19 in thread_start ()

Thread 2 (process 25643):
#0  0x00007fff80195366 in read ()
#1  0x000000010015fc31 in macosx_exception_thread ()
#2  0x00007fff801c3f66 in _pthread_start ()
#3  0x00007fff801c3e19 in thread_start ()

Thread 1 (process 25643):
#0  0x0000000100106c53 in bundle_basename ()
#1  0x0000000100095f88 in objfile_matches_name ()
#2  0x000000010009713e in find_objfile_by_name ()
#3  0x00000001000db930 in find_libobjc_objfile ()
#4  0x000000010014e1a4 in dyld_symfile_loaded_hook ()
#5  0x000000010014e79b in dyld_load_symfile_internal ()
#6  0x00000001001500fa in dyld_load_symfiles ()
#7  0x0000000100150976 in dyld_update_shlibs ()
#8  0x0000000100148e52 in macosx_dyld_update ()
#9  0x0000000100149c8c in macosx_solib_add ()
#10 0x000000010015c601 in macosx_child_attach ()
#11 0x0000000100059266 in attach_command ()
#12 0x000000010010567c in execute_command ()
#13 0x00000001000745ad in command_handler ()
#14 0x00000001000754af in command_line_handler ()
#15 0x00000001001891c6 in rl_callback_read_char ()
#16 0x000000010007474a in rl_callback_read_char_wrapper ()
#17 0x0000000100073357 in process_event ()
#18 0x000000010007406b in gdb_do_one_event ()
#19 0x000000010006e7e0 in catch_errors ()
#20 0x0000000100073819 in start_event_loop ()
#21 0x000000010007083c in captured_command_loop ()
#22 0x000000010006e7e0 in catch_errors ()
#23 0x0000000100070831 in captured_main ()
#24 0x000000010006e7e0 in catch_errors ()
#25 0x000000010006f537 in gdb_main ()
#26 0x0000000100000f29 in main ()
(gdb)