...
Mon Feb 25 03:33:06 [conn25391] command admin.$cmd command:

{ serverStatus: 1 }

ntoreturn:1 keyUpdates:0 locks(micros) r:38 reslen:2633 601ms
Mon Feb 25 03:33:24 [conn25391] serverStatus was very slow:

{ after basic: 0, middle of mem: 0, after mem: 0, after connections: 0, after extra info: 0, after counters: 0, after repl: 0, after asserts: 0, after dur: 3890, at end: 3890 }

Mon Feb 25 03:37:46 Invalid access at address: 0 from thread: conn25391
...
Mon Feb 25 03:37:46 Got signal: 7 (Bus error).

Mon Feb 25 03:37:46 Backtrace:
0xade6e1 0x5582d9 0x558862 0x34a320f4a0 0x9b06f3 0xc22872 0x5c99df 0x66b636 0x6571f1 0x658d5d 0x659c1e 0x6afa08 0x6b3241 0xb5ba7d 0xb5d052 0x56fa52 0x5dbf11 0x34a32077f1 0x34a2ee570d
/export/servers/mongodb/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) [0xade6e1]
/export/servers/mongodb/bin/mongod(_ZN5mongo10abruptQuitEi+0x399) [0x5582d9]
/export/servers/mongodb/bin/mongod(_ZN5mongo24abruptQuitWithAddrSignalEiP7siginfoPv+0x262) [0x558862]
/lib64/libpthread.so.0() [0x34a320f4a0]
/export/servers/mongodb/bin/mongod() [0x9b06f3]
/export/servers/mongodb/bin/mongod(malloc+0xe2) [0xc22872]
/export/servers/mongodb/bin/mongod(_ZN5mongo14prettyHostNameEv+0x1f) [0x5c99df]
/export/servers/mongodb/bin/mongod(_ZN5mongo15CmdServerStatus3runERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0xc6) [0x66b636]
/export/servers/mongodb/bin/mongod(_ZN5mongo12_execCommandEPNS_7CommandERKSsRNS_7BSONObjEiRNS_14BSONObjBuilderEb+0x51) [0x6571f1]
/export/servers/mongodb/bin/mongod(_ZN5mongo11execCommandEPNS_7CommandERNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0xcfd) [0x658d5d]
/export/servers/mongodb/bin/mongod(_ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x2ae) [0x659c1e]
/export/servers/mongodb/bin/mongod(_ZN5mongo11runCommandsEPKcRNS_7BSONObjERNS_5CurOpERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x38) [0x6afa08]
/export/servers/mongodb/bin/mongod(ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1+0xbc1) [0x6b3241]
/export/servers/mongodb/bin/mongod() [0xb5ba7d]
/export/servers/mongodb/bin/mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x3a2) [0xb5d052]
/export/servers/mongodb/bin/mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x82) [0x56fa52]
/export/servers/mongodb/bin/mongod(_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x411) [0x5dbf11]
/lib64/libpthread.so.0() [0x34a32077f1]
/lib64/libc.so.6(clone+0x6d) [0x34a2ee570d]