multiple erlang core dumps while running view tests ( py-view.conf )

erlang core seems to be happening on all the nodes in the cluster.

attached all core files.

2.0.0r-1012-debug

This XML file does not appear to have any style information associated with it. The document tree is shown below.
<manifest>
<remote name="apache" fetch="git://github.com/apache/"/>
<remote name="couchbase" fetch="git://10.1.1.210/"/>
<remote name="erlang" fetch="git://github.com/erlang/"/>
<remote name="membase" fetch="git://10.1.1.210/"/>
<default remote="couchbase" revision="master"/>
<project name="ep-engine" path="ep-engine" revision="f3ceeaad56b44da411b15e4007cf5ac1d763504d"/>
<project name="ns_server" path="ns_server" revision="d5869a463a7b3dedd252308a2556ea0e11e27038"/>
<project name="moxi" path="moxi" revision="08dc908d0bf307183626e3a5c35001045394299d"/>
<project name="tlm" path="tlm" revision="d0e6d42debc17570e4189002c756cba8b8a661af">
<copyfile src="Makefile.top" dest="Makefile"/>
</project>
<project name="membase-cli" path="membase-cli" revision="87258668373f43043d432c130239e7b2b1d0917e" remote="membase"/>
<project name="couchdb" path="couchdb" revision="6ecb3092dbfcf4f16723fcadcdb925fd43bc937d"/>
<project name="geocouch" path="geocouch" revision="c47805edd8abc93fe9b372fd1d175bc0a8e4e095"/>
<project name="mccouch" path="mccouch" revision="88701cc326bc3dde4ed072bb8441be83adcfb2a5"/>
<project name="testrunner" path="testrunner" revision="57adc6473c7176546afd68de6cc98e0300e9b7e7"/>
<project name="snappy" path="snappy" revision="5681dde156e9d07adbeeab79666c9a9d7a10ec95" remote="couchbase"/>
<project name="couchdbx-app" path="couchdbx-app" revision="c2524b19c03dfdc70cddc848fbabd9a4901801a1"/>
<project name="couchbase-python-client" path="couchbase-python-client" revision="a2cdad2caa6cf513264017c79b3bd8cc428ef771"/>
<project name="couchbase-examples" path="couchbase-examples" revision="ed5b6b23e645e50c9ddcbdfd163ad5343b6fad92"/>
<project name="couchstore" path="couchstore" revision="3e8e03141fd1f2d9d0cbbe5685b844d95db26795"/>
<project name="workload-generator" path="workload-generator" revision="c9a2da9ec1c2482386fce3902a1699a63b7dedde"/>
<project name="bucket_engine" path="bucket_engine" revision="89006aa3ebdc562a4152ecf8216eeb104348d86f"/>
<project name="libvbucket" path="libvbucket" revision="802225e894cbf32a7945933d06e827721828d0f6"/>
<project name="memcached" path="memcached" revision="2f7d1834a10ef7b41a75ebfad3d8a2bc3382ff6f" remote="membase"/>
<project name="memcachetest" path="memcachetest" revision="35fd1b9c4bf1ed46b5716b88493e9f156e65a900" remote="membase"/>
<project name="libcouchbase" path="libcouchbase" revision="290faf9567137d7941d13754f1ef71610bc45d35"/>
<project name="libmemcached" path="libmemcached" revision="ca739a890349ac36dc79447e37da7caa9ae819f5" remote="membase"/>
<project name="libconflate" path="libconflate" revision="ad0238ab91b17d012f3aeb7e10abc0a1286bdda6"/>
<project name="portsigar" path="portsigar" revision="f12fbe8e3271db8e170556c73b9c63b52031b951"/>
<project name="sigar" path="sigar" revision="ba9f5a113a1449c1d9df7a25c9aec8b01e9ffc54"/>
<project name="otp" path="otp" revision="a67091debf20c972dd7ce1a8379fee6673fbe571" remote="erlang"/>
<project name="icu4c" path="icu4c" revision="26359393672c378f41f2103a8699c4357c894be7" remote="couchbase"/>
<project name="v8" path="v8" revision="447decb75060a106131ab4de934bcc374648e7f2" remote="couchbase"/>
</manifest>