When running with --dur (see SERVER-2500) there is a primary error and then the second error is the repeated after the first.

> use market_data
switched to db market_data
> show tables
Tue Feb 08 21:00:08 uncaught exception: error: { "$err" : "MongoFile : multiple opens of same filename", "code" : 13617

...
Tue Feb 08 20:59:24 [conn1] checking size file /data/db/market_data.ns
Accessing: market_data for the first time
Tue Feb 08 20:59:24 [conn1] createPrivateMap failed /data/db/market_data.5 errno:1455 The paging file is too small for this operation to complete.
Tue Feb 08 20:59:24 [conn1] Assertion: 13636:createPrivateMap failed (look in log for error)
Tue Feb 08 20:59:24 [conn1] query admin.$cmd ntoreturn:1 command:

{ listDatabases: 1.0 }

reslen:134 153ms
Tue Feb 08 20:59:24 [conn1] query: admin.$cmd

{ replSetGetStatus: 1 }

Tue Feb 08 20:59:24 [conn1] run command admin.$cmd

{ replSetGetStatus: 1 }

Tue Feb 08 20:59:24 [conn1] command:

{ replSetGetStatus: 1 }

...
Tue Feb 08 21:00:08 [conn1] query: market_data.system.namespaces{}
Tue Feb 08 21:00:08 [conn1] Accessing: market_data for the first time
Tue Feb 08 21:00:08 [conn1] Assertion: 13617:MongoFile : multiple opens of same filename
Tue Feb 08 21:00:08 [conn1] assertion 13617 MongoFile : multiple opens of same filename ns:market_data.system.namespaces query:{}
Tue Feb 08 21:00:08 [conn1] query market_data.system.namespaces exception 0ms
Tue Feb 08 21:00:08 [conn1] query: admin.$cmd

{ replSetGetStatus: 1 }