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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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None
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Affects Version/s: Legacy C++ Implementation
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Component/s: mongosniff
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Labels:None
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Environment:64-bit Ubuntu 11.04
3.0.0-17 kernel
SMP
git version: e819261720e48699679c511c69f2f82c2c6a94ab
Steps:
1. Startup mongod with --nojournal --diaglog 3
2. Perform some inserts and query.
3. Shutdown mongod (used ctrl+c)
4. Read diaglog contents using mongosniff
db level locking enabled: 1
60 admin.$cmd
query: { whatsmyuri: 1 } ntoreturn: 1 ntoskip: 0
88 admin.$cmd
query: { replSetGetStatus: 1.0, forShell: 1.0 } ntoreturn: -1 ntoskip: 0
63 test.user
insert: { _id: ObjectId('4f86f5ffff6967e8b6be025d'), x: 3.0 }
76 test.$cmd
query: { getlasterror: 1.0, w: 1.0 } ntoreturn: -1 ntoskip: 0
88 admin.$cmd
query: { replSetGetStatus: 1.0, forShell: 1.0 } ntoreturn: -1 ntoskip: 0
88 admin.$cmd
query: { replSetGetStatus: 1.0, forShell: 1.0 } ntoreturn: -1 ntoskip: 0
65 test.user
query: { x: { $gte: 2.0 } } ntoreturn: 0 ntoskip: 0
88 admin.$cmd
query: { replSetGetStatus: 1.0, forShell: 1.0 } ntoreturn: -1 ntoskip: 0
Thu Apr 12 11:35:22 Assertion failure _state.get() < 0 src/mongo/util/concurrency/rwlock.h 167
0x8d72c6 0xb17254 0xb1b734 0x90e621 0x90e8ef 0x9120f0 0x8583dd 0x858a96 0x7f0359ed730d 0x856989
./mongosniff(_ZN5mongo15printStackTraceERSo+0x27) [0x8d72c6]
./mongosniff(_ZN5mongo12sayDbContextEPKc+0x5e) [0xb17254]
./mongosniff(_ZN5mongo8assertedEPKcS1_j+0x124) [0xb1b734]
./mongosniff(_ZN5mongo15RWLockRecursive23assertExclusivelyLockedEv+0x41) [0x90e621]
./mongosniff(_ZN5mongo20LockMongoFilesShared23assertExclusivelyLockedEv+0x13) [0x90e8ef]
./mongosniff(_ZN5mongo16MemoryMappedFile5closeEv+0x12) [0x9120f0]
./mongosniff(_Z14processDiagLogPKc+0x228) [0x8583dd]
./mongosniff(main+0x62b) [0x858a96]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f0359ed730d]
./mongosniff() [0x856989]
terminate called after throwing an instance of 'mongo::AssertionException'
what(): assertion src/mongo/util/concurrency/rwlock.h:167
Aborted
addr2line output for stacktrace:
mongo::printStackTrace(std::ostream&) /home/ren/mongo/src/mongo/util/goodies.h:61 mongo::sayDbContext(char const*) /home/ren/mongo/src/mongo/util/util.cpp:194 mongo::asserted(char const*, char const*, unsigned int) /home/ren/mongo/src/mongo/util/assert_util.cpp:109 mongo::RWLockRecursive::assertExclusivelyLocked() /home/ren/mongo/src/mongo/util/concurrency/rwlock.h:168 mongo::LockMongoFilesShared::assertExclusivelyLocked() /home/ren/mongo/src/mongo/util/mmap.h:49 mongo::MemoryMappedFile::close() /home/ren/mongo/src/mongo/util/mmap_posix.cpp:42 processDiagLog(char const*) /home/ren/mongo/src/mongo/tools/sniffer.cpp:402 main /home/ren/mongo/src/mongo/tools/sniffer.cpp:510 ?? ??:0 _start ??:0
Remarks: diaglog was able to output all the operations done in the shell; it just doesn't exit cleanly.