unable to stop rebalance when it stuck

http://qa.hq.northscale.net/view/All/job/ubuntu_x64--38_01--cbrecovery-P1/35/consoleFull

after cbrecovery we call rebalance and it stuck

[2014-04-27 06:15:46,784] - [task:2881] INFO - cbrecovery completed succesfully
[2014-04-27 06:15:49,392] - [cbRecoverytests:68] INFO - Cbrecovery caught up bucket default... 50000 == 50000
[2014-04-27 06:15:50,033] - [rest_client:1052] INFO - rebalance params : password=password&ejectedNodes=&user=Administrator&knownNodes=ns_1%40172.23.106.106%2Cns_1%4010.3.3.233%2Cns_1%4010.3.5.46%2Cns_1%4010.1.3.72%2Cns_1%40172.23.106.105
[2014-04-27 06:15:50,558] - [rest_client:1056] INFO - rebalance operation started
[2014-04-27 06:15:50,608] - [rest_client:1157] INFO - rebalance percentage : 0 %
[2014-04-27 06:15:52,618] - [rest_client:1157] INFO - rebalance percentage : 0.0651041666667 %
[2014-04-27 06:15:54,702] - [rest_client:1157] INFO - rebalance percentage : 0.0651041666667 %
[2014-04-27 06:15:57,573] - [rest_client:1157] INFO - rebalance percentage : 0.0651041666667 %
[2014-04-27 06:15:59,605] - [rest_client:1157] INFO - rebalance percentage : 0.0651041666667 %

then in all the tests we try to stop it, but all in vain. I can not do it through the UI or through Rest API request

curl -X POST -i --user Administrator:password http://10.3.3.233:8091/controller/stopRebalance
HTTP/1.1 200 OK
Server: MochiWeb/1.0 (Any of you quaids got a smint?)
Date: Mon, 28 Apr 2014 14:07:13 GMT
Content-Length: 0

Andreis-MacBook-Pro:~ andrei$ curl http://10.3.3.233:8091/pools/default/rebalanceProgress
Andreis-MacBook-Pro:~ andrei$ curl http://Administrator:password@10.3.3.233:8091/pools/default/rebalanceProgress
{"status":"running","ns_1@10.3.3.233":

,"ns_1@172.23.106.105":

,"ns_1@172.23.106.106":{"progress":0}}