My application gives core dump. When i am debugging with dbx getting instructions below:

pthdb_session.c, 818: 695445 PTHDB_INTERNAL (internal error)
pthreaded.c, 1941: PTHDB_INTERNAL (internal error)

Illegal instruction (illegal opcode) in . at 0x0
warning: Unable to access address 0x0 from core


What these instruction are actually. plz help me.

Hi,
->if you feel the problem is with core, just spawn the application through gdb.
$gdb applicatonname
$run arguments to aplication
$where

this would give you the exact location of the error.after executing the where command gdb would give the list of functions executed before reaching the falut(in a order such that the first function or instruction would be the exact cause of it).
the function list would contains the name of your application specific function or library api/instruction or kernal api/instruction

you have concentrate on the function which is invoked by your application

Best Regards,
Rakesh UV