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Type:
Bug
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Resolution: Duplicate
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Priority:
Major - P3
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None
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Affects Version/s: 2.0.2, 2.0.7
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Component/s: Replication, Stability
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Labels:
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Environment:Replica Set with 3 servers, each MongoDB 2.0.7 Linux 64-bit binaries, Debian GNU/Linux 6.0, Kernel 2.6.32-5-amd64, 4 GB RAM
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Linux
Suddenly our MongoDB setup (Replica Set with 3 servers) randomly crashes.
It's always the PRIMARY server that segfaults after some time (3-5 hours), for no obvious reason. Then another server becomes PRIMARY and also crashes after some time.
Stack trace:
Program terminated with signal 11, Segmentation fault. #0 0x0000000000509e1d in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #1 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #2 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #3 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #4 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #5 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #6 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #7 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #8 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #9 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #10 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #11 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #12 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #13 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #14 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () #15 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #16 0x000000000050a154 in mongo::BSONElement::toString(mongo::StringBuilder&, bool, bool) const () ... #2035 0x000000000050b882 in mongo::BSONObj::toString(mongo::StringBuilder&, bool, bool) const () #2036 0x000000000089a439 in mongo::OpDebug::toString() const () #2037 0x0000000000890cbd in mongo::LazyStringImpl<mongo::OpDebug>::val() const () #2038 0x00000000005077da in mongo::Logstream::operator<<(mongo::LazyString const&) () #2039 0x000000000088dfb4 in mongo::assembleResponse(mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&) () #2040 0x0000000000aa0b38 in mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*, mongo::LastError*) () #2041 0x0000000000638767 in mongo::pms::threadRun(mongo::MessagingPort*) () #2042 0x00007ffee045c8ca in start_thread (arg=<value optimized out>) at pthread_create.c:300 #2043 0x00007ffedfa1792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #2044 0x0000000000000000 in ?? ()
The last log message before crashing is
Tue Aug 14 14:24:45 [conn16] warning: ClientCursor::yield can't unlock b/c of recursive lock ns: profile.profiles top: { err: "unauthorized" }
but the PRIMARY server gets lots of these messages (and the setup ran well for some months now despite these messages).
- is duplicated by
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SERVER-5127 Limit recursion depth of BSONObj::toString()
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- Closed
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