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Type:
Bug
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Resolution: Cannot Reproduce
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Priority:
Major - P3
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None
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Affects Version/s: 2.0.8
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Component/s: None
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Labels:None
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Environment:CentOS release 6.4 (Final)
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Linux
The mongod server had a segmentation fault while running overnight two nights in a row. I don't know if this is significant, but the virtual machine mongo was running on had very little free memory. We doubled the memory on the virtual machine and the segmentation fault has not reappeared.
The following was in /var/log/mongo/mongod.log.
Tue Apr 2 21:00:49 [conn76] remove mws.rmVirtualMachines query: { pluginId: "simulation" } 179ms
Tue Apr 2 21:00:54 Invalid access at address: 0x7f537df8e3cc
Tue Apr 2 21:00:54 Got signal: 11 (Segmentation fault).
Tue Apr 2 21:00:54 Backtrace:
0xa9608a 0xa9677c 0x327180f500 0x570d10 0x571335 0x912cff 0x952516 0x8c8e46 0x8d94f0 0x8d9b46 0x8dd740 0x8df035 0x8e03e7 0x944445 0x888fc7 0x88dba9 0xaa0b28 0x638757 0x3271807851 0x32714e890d
/usr/bin/mongod(_ZN5mongo10abruptQuitEi+0x3aa) [0xa9608a]
/usr/bin/mongod(_ZN5mongo24abruptQuitWithAddrSignalEiP7siginfoPv+0x22c) [0xa9677c]
/lib64/libpthread.so.0() [0x327180f500]
/usr/bin/mongod(_ZNK5mongo10Projection6appendERNS_14BSONObjBuilderERKNS_11BSONElementE+0x7e0) [0x570d10]
/usr/bin/mongod(_ZNK5mongo10Projection9transformERKNS_7BSONObjERNS_14BSONObjBuilderE+0xf5) [0x571335]
/usr/bin/mongod(_ZN5mongo22fillQueryResultFromObjERNS_11_BufBuilderINS_16TrivialAllocatorEEEPNS_10ProjectionERKNS_7BSONObjEPNS_7DiskLocE+0xaf) [0x912cff]
/usr/bin/mongod(_ZN5mongo11UserQueryOp4nextEv+0xf06) [0x952516]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner6nextOpERNS_7QueryOpE+0x56) [0x8c8e46]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner4nextEv+0x110) [0x8d94f0]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet6Runner22runUntilFirstCompletesEv+0x56) [0x8d9b46]
/usr/bin/mongod(_ZN5mongo12QueryPlanSet5runOpERNS_7QueryOpE+0x50) [0x8dd740]
/usr/bin/mongod(_ZN5mongo16MultiPlanScanner9runOpOnceERNS_7QueryOpE+0x525) [0x8df035]
/usr/bin/mongod(_ZN5mongo16MultiPlanScanner5runOpERNS_7QueryOpE+0x17) [0x8e03e7]
/usr/bin/mongod(_ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1_+0xfa5) [0x944445]
/usr/bin/mongod() [0x888fc7]
/usr/bin/mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x559) [0x88dba9]
/usr/bin/mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x78) [0xaa0b28]
/usr/bin/mongod(_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x287) [0x638757]
/lib64/libpthread.so.0() [0x3271807851]
/lib64/libc.so.6(clone+0x6d) [0x32714e890d]
Logstream::get called in uninitialized state
Tue Apr 2 21:00:54 ERROR: Client::~Client _context should be null but is not; client:conn
Logstream::get called in uninitialized state
Tue Apr 2 21:00:54 ERROR: Client::shutdown not called: conn