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Thread 1 (Thread 0xb781e9f0 (LWP 1842)):
#0  0x00bf9416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x001b0c8f in raise () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#2  0x001b42b5 in abort () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#3  0x08090b61 in ?? ()
No symbol table info available.
#4  0x08090e23 in ?? ()
No symbol table info available.
#5  0x08090e7f in internal_verror ()
No symbol table info available.
#6  0x08090eb9 in internal_error ()
No symbol table info available.
#7  0x080cb83a in ?? ()
No symbol table info available.
#8  0x080cc11e in ?? ()
No symbol table info available.
#9  0x00130c2a in ?? () from /lib/i386-linux-gnu/libthread_db.so.1
No symbol table info available.
#10 0x00130dff in td_ta_thr_iter () from /lib/i386-linux-gnu/libthread_db.so.1
No symbol table info available.
#11 0x080cc1d5 in ?? ()
No symbol table info available.
#12 0x080cc377 in ?? ()
No symbol table info available.
#13 0x080caa48 in ?? ()
No symbol table info available.
#14 0x080cae74 in ?? ()
No symbol table info available.
#15 0x080caf84 in ?? ()
No symbol table info available.
#16 0x080cb279 in ?? ()
No symbol table info available.
#17 0x080cb32b in ?? ()
No symbol table info available.
#18 0x080cb646 in check_for_thread_db ()
No symbol table info available.
#19 0x080cb65c in ?? ()
No symbol table info available.
#20 0x0808a70f in ?? ()
No symbol table info available.
#21 0x0808a258 in ?? ()
No symbol table info available.
#22 0x0808a78d in observer_notify_new_objfile ()
No symbol table info available.
#23 0x0819060a in ?? ()
No symbol table info available.
#24 0x081906c8 in symbol_file_add_from_bfd ()
No symbol table info available.
#25 0x0809ea65 in solib_read_symbols ()
No symbol table info available.
#26 0x0809efb9 in solib_add ()
No symbol table info available.
#27 0x0819d02e in post_create_inferior ()
No symbol table info available.
#28 0x080be666 in ?? ()
No symbol table info available.
#29 0x0808ceaf in core_file_command ()
No symbol table info available.
#30 0x0810162f in ?? ()
No symbol table info available.
#31 0x08103faa in cmd_func ()
No symbol table info available.
#32 0x0808e0b2 in execute_command ()
No symbol table info available.
#33 0x081b6cf3 in catch_command_errors ()
No symbol table info available.
#34 0x08085a6d in ?? ()
No symbol table info available.
#35 0x081b6c57 in catch_errors ()
No symbol table info available.
#36 0x08085b0f in gdb_main ()
No symbol table info available.
#37 0x08084906 in main ()
No symbol table info available.