xchm core dump

dear all,
I got my xchm installed from ports core dump on:
FreeBSD dikshie.sfc.wide.ad.jp 5.3-STABLE FreeBSD 5.3-STABLE #12: Tue Nov  2 00:47:14 WIT 2004    dikshie_at_dikshie.sfc.wide.ad.jp:/usr/obj/usr/src/sys/MY-X20 

herewith the message and traceback:
Fatal error 'Spinlock called when not threaded.' at line 83 in file /usr/src/lib
/libpthread/thread/thr_spinlock.c (errno = 0)
Abort (core dumped)

0  0x287921d7 in kill () from /lib/libc.so.5
#1  0x28728b93 in raise () from /usr/lib/libpthread.so.1
#2  0x287f9627 in abort () from /lib/libc.so.5
#3  0x2873e700 in pthread_testcancel () from /usr/lib/libpthread.so.1
#4  0x2872bb3b in _spinlock () from /usr/lib/libpthread.so.1
#5  0x2872bbab in _spinlock_debug () from /usr/lib/libpthread.so.1
#6  0x28ddd0ec in _thread_fd_table_init () from /usr/lib/libc_r.so.5
#7  0x28ddbaac in _thread_init () from /usr/lib/libc_r.so.5
#8  0x28dd21cc in _thread_init_hack () from /usr/lib/libc_r.so.5
#9  0x28dde322 in _find_thread () from /usr/lib/libc_r.so.5
#10 0x28dceb7e in _init () from /usr/lib/libc_r.so.5
#11 0x2807c6c5 in find_symdef () from /libexec/ld-elf.so.1
#12 0x2807b51b in _rtld () from /libexec/ld-elf.so.1
#13 0x2807a966 in .rtld_start () from /libexec/ld-elf.so.1
(gdb) 




any suggestions ?



thanks !


-dikshie-