Hobbit constantly coring

Version Hobbit Monitor 4.2.0

We are experiencing a large number of core files all similar to the one below which fill up the monitor server

[hobbit@monitor server]$ gdb bin/hobbitd_history /home/hobbit/core.9996
GNU gdb Red Hat Linux (6.5-25.el5_1.1rh)
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This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/i686/nosegneg/libthread_db.so.1".

warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/i686/nosegneg/libc.so.6...done.
Loaded symbols for /lib/i686/nosegneg/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Core was generated by `hobbitd_history'.
Program terminated with signal 11, Segmentation fault.
#0 0x0090bc00 in setvbuf () from /lib/i686/nosegneg/libc.so.6
(gdb) bt
#0 0x0090bc00 in setvbuf () from /lib/i686/nosegneg/libc.so.6
#1 0x08049fbe in main (argc=1, argv=Cannot access memory at address 0x4
) at hobbitd_history.c:111
(gdb)

If you need more info let me know.

Thanks