m30999| Thu Feb 28 16:48:04.158 [Balancer] distributed lock 'balancer/bs-rhel-57-64-1:30999:1362087981:1804289383' unlocked. 
 m30999| Thu Feb 28 16:48:14.192 [Balancer] Refreshing MaxChunkSize: 50
 m30999| Thu Feb 28 16:48:14.193 [Balancer] trying to acquire new distributed lock for balancer on localhost:30000 ( lock timeout : 900000, ping interval : 30000, process : bs-rhel-57-64-1:30999:1362087981:1804289383 )
 m30999| Thu Feb 28 16:48:14.193 [Balancer] about to acquire distributed lock 'balancer/bs-rhel-57-64-1:30999:1362087981:1804289383:
 m30999| { "state" : 1,
 m30999|   "who" : "bs-rhel-57-64-1:30999:1362087981:1804289383:Balancer:1681692777",
 m30999|   "process" : "bs-rhel-57-64-1:30999:1362087981:1804289383",
 m30999|   "when" : { "$date" : "Thu Feb 28 16:48:14 2013" },
 m30999|   "why" : "doing balance round",
 m30999|   "ts" : { "$oid" : "512fd09e35bdda7180379e43" } }
 m30999| { "_id" : "balancer",
 m30999|   "state" : 0,
 m30999|   "ts" : { "$oid" : "512fd09435bdda7180379e42" } }
 m30999| Thu Feb 28 16:48:14.195 [Balancer] distributed lock 'balancer/bs-rhel-57-64-1:30999:1362087981:1804289383' acquired, ts : 512fd09e35bdda7180379e43
 m30999| Thu Feb 28 16:48:14.195 [Balancer] *** start balancing round
 m30999| Thu Feb 28 16:48:14.195 [Balancer] waitForDelete: 0
 m30999| Thu Feb 28 16:48:14.195 [Balancer] secondaryThrottle: 1
2013-02-28 16:48:23 EST	
 m30999| Thu Feb 28 16:48:14.196 [Balancer] shard0001 has more chunks me:1 best: shard0000:1
 m30999| Thu Feb 28 16:48:14.196 [Balancer] collection : test.foo
 m30999| Thu Feb 28 16:48:14.196 [Balancer] donor      : shard0000 chunks on 1
 m30999| Thu Feb 28 16:48:14.196 [Balancer] receiver   : shard0000 chunks on 1
 m30999| Thu Feb 28 16:48:14.196 [Balancer] threshold  : 2
 m30999| Thu Feb 28 16:48:14.196 [Balancer] no need to move any chunk
 m30999| Thu Feb 28 16:48:14.196 [Balancer] *** end of balancing round
 m30999| Thu Feb 28 16:48:14.196 [Balancer] distributed lock 'balancer/bs-rhel-57-64-1:30999:1362087981:1804289383' unlocked. 
assert.soon failed: function (){
    
    // Get all the current operations
    mine = getMine( state == 0 && i > 20 );
    i++;
    
    // Wait for the queries to start
    if ( state == 0 && mine.length > 0 ){
        // Queries started
        state = 1;
        // Kill all $where
        mine.forEach( function(z){ printjson( db.getSisterDB( "admin" ).killOp( z.opid ) ); }  )
        killTime = new Date()
    }
    // Wait for killed queries to end
    else if ( state == 1 && mine.length == 0 ){
        // Queries ended
        state = 2;
        return true;
    }
    
}, msg:Couldn't kill the $where operations.
Error: Printing Stack Trace
    at printStackTrace (src/mongo/shell/utils.js:37:7)
    at doassert (src/mongo/shell/assert.js:6:1)
    at Function.assert.soon (src/mongo/shell/assert.js:110:48)
    at /data/buildslaves/Linux_RHEL_64bit/mongo/jstests/sharding/features3.js:81:8