[op25-dev] *** glibc error ***

Matt D md123 at nycap.rr.com
Mon Aug 12 04:30:48 UTC 2013


On 08/08/2013 03:56 AM, Steve Glass wrote:
> Ok, so its telling you that there is a bad pointer being passed to
> free. Things you can do: * Set "ulimit -c unlimited" in the shell
> before running the program. That way you get a "core" file when the
> program crashes and can run the debugger on it to find out why. *
> Run valgrind on the executable. When the program finishes it will 
> produce a summary of all memory errors. Hope that helps. Stevie
> 
op25 finally died again.  all i got out of gdb was:

Core was generated by `/usr/bin/python -u
/home/matt/OP25_GRC/op25_grc.py'.
Program terminated with signal 11, Segmentation fault.
#0  0x081000bb in ?? ()
(gdb) i stack
#0  0x081000bb in ?? ()
#1  0x00000000 in ?? ()
(gdb)

valgrind printed a bunch of complaints upon starting the grc but i was
unable to get anything out of that shell after the crash other than
the same old backtrace and memory map. there was no command prompt so
something had to still be running; perhaps valgrind?

any ideas about the above gdb output? or how to get more out of
valgrind?

Thanks a bunch
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