GNU gdb 6.4-debian Copyright 2005 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 "i486-linux-gnu"...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/camorama [Thread debugging using libthread_db enabled] [New Thread -1223554848 (LWP 11993)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1223554848 (LWP 11993)] 0x0804f32b in laplace (image=0xb6c9b000

, z=3, x=352, y=288) at filter.c:364 364 total0 = total0 + image2[0]; (gdb) backtrace #0 0x0804f32b in laplace (image=0xb6c9b000

, z=3, x=352, y=288) at filter.c:364 #1 0x0805137d in timeout_func (cam=0xbf8d60d0) at callbacks.c:653 #2 0xb7585bf2 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0 #3 0xb75838d6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #4 0xb7586996 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #5 0xb7586cb8 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #6 0xb7afd765 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #7 0x0804d687 in main (argc=1, argv=0xbf8d6354) at main.c:620 (gdb) thread apply all backtrace Thread 1 (Thread -1223554848 (LWP 11993)): #0 0x0804f32b in laplace (image=0xb6c9b000