gdb no symbol table loaded for core file
There was a core dump produced at the customer end for my application and while looking at the backtrace I don't have the symbols loaded...
(gdb) where
#0 0x000000364c032885 in ?? ()
#1 0x000000364c034065 in ?? ()
#2 0x0000000000000000 in ?? ()
(gdb) bt full
#0 0x000000364c032885 in ?? ()
No symbol table info available.
#1 0x000000364c034065 in ?? ()
No symbol table info available.
#2 0x0000000000000000 in ?? ()
No symbol table info available.
One think I want to mention in here is that the application being used is build with -g option.
To me it seems that the required libraries are not being loaded. I tried to load the libraries manually using the "symbol-file", but this doesn't help.
What could be the possible issue?
Answer
No symbol table info available.
Chances are you invoked GDB incorrectly. Don't do this:
gdb core
gdb -c core
Do this instead:
gdb exename core
Also see this answer for what you'll likely have to do to get meaningful crash stack trace for a core from customer's machine.