Details
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Bug
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Resolution: Cannot Reproduce
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Critical
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None
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Cheshire-Cat
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1006.5.1-1122
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Untriaged
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1
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Unknown
Description
172.23.105.225 : Stack Trace of 3437b692-366d-4c1c-281f365d-3f4d3c8f.dmp
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Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
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#0 0x00007f76c20ae207 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
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55 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
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#0 0x00007f76c20ae207 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
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#1 0x00007f76c20af8f8 in __GI_abort () at abort.c:90
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#2 0x00007f76c2c0b195 in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/vterminate.cc:95
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#3 0x0000000000545e02 in backtrace_terminate_handler() ()
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#4 0x00007f76c2c08f86 in __cxxabiv1::__terminate (handler=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
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#5 0x00007f76c2c08fd1 in std::terminate () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:57
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#6 0x00007f76c2c09213 in __cxxabiv1::__cxa_throw (obj=<optimized out>, tinfo=0x7f3ab0 <typeinfo for std::logic_error>, dest=0x418bc0 <_ZNSt11logic_errorD1Ev@plt>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_throw.cc:93
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#7 0x00007f76bd6b9b5d in Checkpoint::expelItems[abi:cxx11](CheckpointCursor&) () from /opt/couchbase/lib/ep.so
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#8 0x00007f76bd6c17b4 in CheckpointManager::expelUnreferencedCheckpointItems() () from /opt/couchbase/lib/ep.so
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#9 0x00007f76bd6cc5f4 in ClosedUnrefCheckpointRemoverTask::run() () from /opt/couchbase/lib/ep.so
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#10 0x00007f76bd792cc4 in ExecutorThread::run() () from /opt/couchbase/lib/ep.so
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#11 0x00007f76c4a2bee7 in platform_thread_wrap(void*) () from /opt/couchbase/lib/libplatform_so.so.0.1.0
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#12 0x00007f76c244cdd5 in start_thread (arg=0x7f75f87c6700) at pthread_create.c:307
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#13 0x00007f76c2175ead in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
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Please Note: Crash is seen during simple upserts and there is no kill memc involved in the test.
Under the hood i see crash in magma:
172.23.105.225 : Looking for CRITICAL messages in log
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172.23.105.225 : Found message in /opt/couchbase/var/lib/couchbase/logs/memcached.log.000139.txt
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2020-04-28T04:42:33.493535-07:00 CRITICAL WAL replay at offset 83:25165824, double BeginTxn seen.
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2020-04-28T04:42:33.495625-07:00 CRITICAL (default) magma_3 MagmaKVStore Magma open failed. Status:Corruption: Failed to initialize wal iterator :Invalid: WAL replay at offset 83:25165824, double BeginTxn seen.
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