2014-09-04T09:07:02.481+0000 [conn141289] SEVERE: Invalid access at address: 0xffffffff
2014-09-04T09:07:02.541+0000 [initandlisten] connection accepted from 10.0.1.172:44112 #141572 (2031 connections now open)
2014-09-04T09:07:02.543+0000 [conn141289] SEVERE: Got signal: 11 (Segmentation fault).
Backtrace:0x11e6111 0x11e54ee 0x11e55df 0x7f8801230cb0 0xb72dce 0xb6ed3f 0xb6fda9 0xaa698d 0xd78119 0xd78ae4 0xd1ac7c 0xc6e7c4 0xc6eec5 0xc7e9b3 0xc80046 0xcfc7bb 0x9b3816 0xa2889a 0xa29ce2 0xa2bea6
 /usr/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) [0x11e6111]
 /usr/bin/mongod() [0x11e54ee]
 /usr/bin/mongod() [0x11e55df]
 /lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0) [0x7f8801230cb0]
 /usr/bin/mongod(_ZNK5mongo18BtreeInterfaceImplINS_12BtreeData_V1EE5keyAtEPKNS_17IndexCatalogEntryENS_7DiskLocEi+0x2e) [0xb72dce]
 /usr/bin/mongod(_ZN5mongo16BtreeIndexCursor20isSavedPositionValidEv+0x3f) [0xb6ed3f]
 /usr/bin/mongod(_ZN5mongo16BtreeIndexCursor15restorePositionEv+0x39) [0xb6fda9]
 /usr/bin/mongod(_ZN5mongo9IndexScan16recoverFromYieldEv+0x5d) [0xaa698d]
 /usr/bin/mongod(_ZN5mongo12PlanExecutor12restoreStateEv+0x19) [0xd78119]
 /usr/bin/mongod(_ZN5mongo12PlanExecutor7getNextEPNS_7BSONObjEPNS_7DiskLocE+0x6e4) [0xd78ae4]
 /usr/bin/mongod(_ZN5mongo16CachedPlanRunner7getNextEPNS_7BSONObjEPNS_7DiskLocE+0x3c) [0xd1ac7c]
 /usr/bin/mongod(_ZN5mongo20DocumentSourceCursor9loadBatchEv+0x1e4) [0xc6e7c4]
 /usr/bin/mongod(_ZN5mongo20DocumentSourceCursor7getNextEv+0x115) [0xc6eec5]
 /usr/bin/mongod(_ZN5mongo19DocumentSourceGroup8populateEv+0x73) [0xc7e9b3]
 /usr/bin/mongod(_ZN5mongo19DocumentSourceGroup7getNextEv+0x426) [0xc80046]
 /usr/bin/mongod(_ZN5mongo8Pipeline3runERNS_14BSONObjBuilderE+0x8b) [0xcfc7bb]
 /usr/bin/mongod(_ZN5mongo15PipelineCommand3runERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x526) [0x9b3816]
 /usr/bin/mongod(_ZN5mongo12_execCommandEPNS_7CommandERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x3a) [0xa2889a]
 /usr/bin/mongod(_ZN5mongo7Command11execCommandEPS0_RNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0x1042) [0xa29ce2]
 /usr/bin/mongod(_ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x6c6) [0xa2bea6]