"javascript execution interrupted" in mr_killop.js

sh17781| MongoDB shell version: 2.3.2-pre-

sh17781| connecting to: 127.0.0.1:27999/admin

sh17781| assert: command failed: {

sh17781| 	"errmsg" : "exception: map invoke failed: javascript execution interrupted",

sh17781| 	"code" : 9014,

sh17781| 	"ok" : 0

sh17781| } : undefined

sh17781| Error: Printing Stack Trace

sh17781|     at printStackTrace (src/mongo/shell/utils.js:37:7)

sh17781|     at doassert (src/mongo/shell/utils.js:58:1)

sh17781|     at Function.assert.commandWorked (src/mongo/shell/utils.js:217:1)

sh17781|     at (shell eval):1:37

sh17781| Thu Dec 27 19:12:20.253 exec error: src/mongo/shell/utils.js:59 command failed: {

sh17781| 	"errmsg" : "exception: map invoke failed: javascript execution interrupted",

sh17781| 	"code" : 9014,

sh17781| 	"ok" : 0

sh17781| } : undefined

sh17781| throw msg;