Oct 14 17:33:08 opm6 mongod.27022[303827]: [conn691563] Invalid access at address: 0xf0000000a
Oct 14 17:33:08 opm6 mongod.27022[303827]: [conn691563] Got signal: 11 (Segmentation fault).
Backtrace:0x11da801 0x11d9bde 0x11d9ccf 0x7fc3e73b7ff0 0xaa7241 0xd4cccc 0xd4d69d 0xd4f81e 0xc68d44 0xc69445 0xc93c18 0xcb226b 0xc822f8 0xc93c18 0xc77cd5 0xc7a436 0x9ac73f 0x9aca80 0xd517d9 0xb96d52
/usr/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) [0x11da801]
/usr/bin/mongod() [0x11d9bde]
/usr/bin/mongod() [0x11d9ccf]
/lib/libpthread.so.0(+0xeff0) [0x7fc3e73b7ff0]
/usr/bin/mongod(_ZN5mongo18KeepMutationsStage4workEPm+0xc1) [0xaa7241]
/usr/bin/mongod(_ZN5mongo15MultiPlanRunner12workAllPlansEPNS_7BSONObjEm+0x13c) [0xd4cccc]
/usr/bin/mongod(_ZN5mongo15MultiPlanRunner12pickBestPlanEPmPNS_7BSONObjE+0xed) [0xd4d69d]
/usr/bin/mongod(_ZN5mongo15MultiPlanRunner7getNextEPNS_7BSONObjEPNS_7DiskLocE+0x34e) [0xd4f81e]
/usr/bin/mongod(_ZN5mongo20DocumentSourceCursor9loadBatchEv+0x1e4) [0xc68d44]
/usr/bin/mongod(_ZN5mongo20DocumentSourceCursor7getNextEv+0x115) [0xc69445]
/usr/bin/mongod(_ZN5mongo21DocumentSourceProject7getNextEv+0x58) [0xc93c18]
/usr/bin/mongod(_ZN5mongo20DocumentSourceUnwind7getNextEv+0x6b) [0xcb226b]
/usr/bin/mongod(_ZN5mongo19DocumentSourceMatch7getNextEv+0x48) [0xc822f8]
/usr/bin/mongod(_ZN5mongo21DocumentSourceProject7getNextEv+0x58) [0xc93c18]
/usr/bin/mongod(_ZN5mongo19DocumentSourceGroup8populateEv+0x75) [0xc77cd5]
/usr/bin/mongod(_ZN5mongo19DocumentSourceGroup7getNextEv+0x426) [0xc7a436]
/usr/bin/mongod() [0x9ac73f]
/usr/bin/mongod() [0x9aca80]
/usr/bin/mongod(_ZN5mongo10newGetMoreEPKcixRNS_5CurOpEiRbPb+0x329) [0xd517d9]
/usr/bin/mongod(_ZN5mongo15receivedGetMoreERNS_10DbResponseERNS_7MessageERNS_5CurOpE+0x472) [0xb96d52]