[erlang-questions] help--node core down

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Hi all:
 Recently,node core down every 3-4 days(centos6.2 + R15B02).
 I got this error
Core was generated by `/usr/local/lib/erlang/erts-5.9.2/bin/beam.smp -P 500000 -K true -- -root /usr/l'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000000004523ac in bf_get_free_block ()
 Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.47.el6.x86_64 ncurses-libs-5.7-3.20090208.el6.x86_64 openssl-1.0.0-20.el6.x86_64 zlib-1.2.3-27.el6.x86_64
(gdb) where
#0  0x00000000004523ac in bf_get_free_block ()
#1  0x000000000044d968 in mbc_alloc ()
#2  0x000000000044e567 in do_erts_alcu_alloc ()
#3  0x000000000044e619 in erts_alcu_alloc_thr_pref ()
#4  0x00000000004fbff7 in erts_bs_append ()
#5  0x0000000000527d20 in process_main ()
#6  0x00000000004a791b in sched_thread_func ()
#7  0x000000000059f315 in thr_wrapper ()
#8  0x000000325ba077f1 in start_thread () from /lib64/libpthread.so.0
#9  0x000000325b6e570d in clone () from /lib64/libc.so.6
 That's why....I was troubled by it.
 
Thanks.
Xia Yong
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