"table scans not allowed" during parallel/basicPlus.js on RHEL 5.7

         S2 Test : jstests/exists8.js ...

2013-10-10T22:07:11.115-0400 shell: stopped mongo program on pid 2189

{

	"_id" : 1,

	"kids" : [

		{

			"name" : "Bob",

			"age" : "4"

		},

		{

			"name" : "Dan",

			"age" : "2"

		}

	]

}

         S1 Test : jstests/update_addToSet2.js 40ms

         S1 Test : jstests/geo_multikey0.js ...

2013-10-10T22:07:11.157-0400 shell: started program /data/mci/git@github.commongodb/mongo.git/master/mongo --port 27999

         S1 Test : jstests/geo_multikey0.js 16ms

         S1 Test : jstests/objid1.js ...

         S1 Test : jstests/objid1.js 7ms

         S1 Test : jstests/geo_update_btree2.js ...

2013-10-10T22:07:11.180-0400 count failed: {

	"errmsg" : "exception: table scans not allowed:test.jstests_exists8",

	"code" : 10111,

	"ok" : 0

} at src/mongo/shell/query.js:188

********** Parallel Test FAILED: Error: error loading js file: jstests/exists8.js