Couldn't kill $where op in features3.js on RHEL 32

assert.soon failed: function () {

    // Get all the current operations

    mine = getMine(true);  // SERVER-8794: print all operations

    // get curren tops, but only print out operations before we see a $where op has started

    // mine = getMine(curOpState == 0 && i > 20);

    i++;

    // Wait for the queries to start

    if (curOpState == 0 && mine.length > 0) {

        // queries started

        curOpState = 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 (curOpState == 1 && mine.length == 0) {

        // Queries ended

        curOpState = 2;

        return true;

    }

}, msg:Couldn't kill the $where operations.

Error: Printing Stack Trace

    at printStackTrace (src/mongo/shell/utils.js:37:15)

    at doassert (src/mongo/shell/assert.js:6:5)

    at Function.assert.soon (src/mongo/shell/assert.js:110:60)

    at /data/buildslaves/Linux_RHEL_32bit_Nightly/mongo/jstests/sharding/features3.js:99:8