(gdb) bt
#0  0xb7f08cd9 in __kernel_vsyscall ()
#1  0xb7013112 in raise () at /usr/lib/libc.so.6
#2  0xb7014826 in abort () at /usr/lib/libc.so.6
#3  0xb7055cfb in __libc_message () at /usr/lib/libc.so.6
#4  0xb705c72e in  () at /usr/lib/libc.so.6
#5  0xb705e39b in _int_free () at /usr/lib/libc.so.6
#6  0x005290bd in e_object_free (obj=obj@entry=0x1eb3150) at ../src/bin/e_object.c:119
#7  0x005292eb in e_object_free (obj=0x1eb3150) at ../src/bin/e_object.c:153
#8  0x005292eb in e_object_unref (obj=0x1eb3150) at ../src/bin/e_object.c:153
#9  0x00529402 in e_object_del (obj=) at ../src/bin/e_object.c:60
#10 0x004895c9 in e_comp_shutdown () at ../src/bin/e_comp.c:1398
#11 0x0051b3e7 in _e_main_screens_shutdown () at ../src/bin/e_main.c:1654
#12 0x0051b857 in _e_main_shutdown (errcode=0) at ../src/bin/e_main.c:1152
#13 0x0045fc3b in main (argc=, argv=) at ../src/bin/e_main.c:1104
(gdb)