Gluster users - Jan 2011 - Afr crashed in my gluster setup

frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)
frame : type(1) op(FLUSH)

patchset: v3.1.0
signal received: 11
time of crash: 2010-12-30 14:21:06
configuration details:
argp 1
backtrace 1
dlfcn 1
fdatasync 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 3.1.0
[0xffffe400]
/usr/local/akamai/lib/glusterfs/3.1.0/xlator/cluster/afr.so(afr_internal_lock_finish+0x8b)[0xf618beeb]
/usr/local/akamai/lib/glusterfs/3.1.0/xlator/cluster/afr.so(afr_post_nonblocking_inodelk_cbk+0x4f)[0xf618c4ef]
/usr/local/akamai/lib/glusterfs/3.1.0/xlator/cluster/afr.so(afr_nonblocking_inodelk_cbk+0x28f)[0xf61a4dbf]
/usr/local/akamai/lib/glusterfs/3.1.0/xlator/cluster/dht.so(dht_finodelk_cbk+0x82)[0xf61c7102]
/usr/local/akamai/lib/glusterfs/3.1.0/xlator/protocol/client.so(client3_1_finodelk_cbk+0xbe)[0xf61f5c1e]
/usr/local/akamai/lib/libgfrpc.so.0(rpc_clnt_handle_reply+0xc2)[0xf773ac42]
/usr/local/akamai/lib/libgfrpc.so.0(rpc_clnt_notify+0xa2)[0xf773ae62]
/usr/local/akamai/lib/libgfrpc.so.0(rpc_transport_notify+0x35)[0xf77354c5]
/usr/local/akamai/lib/glusterfs/3.1.0/rpc-transport/socket.so(socket_event_poll_in+0x50)[0xf5f0c500]
/usr/local/akamai/lib/glusterfs/3.1.0/rpc-transport/socket.so(socket_event_handler+0x15b)[0xf5f0c67b]
/usr/local/akamai/lib/libglusterfs.so.0[0xf7775cff]
/usr/local/akamai/lib/libglusterfs.so.0(event_dispatch+0x21)[0xf7774a21]
/usr/local/akamai/sbin/glusterfsd_binary(main+0x48c)[0x804c45c]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xf75db18c]
/usr/local/akamai/sbin/glusterfsd_binary[0x804a631]