#0  0x00000000007e2546 in fetch_add (__m=std::memory_order_relaxed, __i=1, this=<error reading variable: Cannot access memory at address 0x7fc3d10c46f0>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/persistence_callback.cc:62
No locals.
#1  fetch_add (arg=1, this=<error reading variable: Cannot access memory at address 0x7fc3d10c46f0>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/include/relaxed_atomic.h:57
No locals.
#2  operator++ (this=<error reading variable: Cannot access memory at address 0x7fc3d10c46f0>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/include/relaxed_atomic.h:94
No locals.
#3  PersistenceCallback::operator()(EPTransactionContext&, SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, KVStore::FlushStateMutation) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/persistence_callback.cc:62
        vbucket = @0x7fc3f04f3600: <error reading variable>
#4  0x00000000007e2935 in EPTransactionContext::setCallback(SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > const&, KVStore::FlushStateMutation) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/atomic.h:121
No locals.
#5  0x00000000007f3351 in CouchKVStore::commitCallback(std::deque<CouchRequest, std::allocator<CouchRequest> >&, kvstats_ctx&, couchstore_error_t) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/atomic.h:121
        state = KVStore::Insert
        committed = @0x7fc46017ce00: <error reading variable>
        __for_range = @0x7fc460143020: <error reading variable>
        flushSuccess = true
#6  0x0000000000808052 in CouchKVStore::commit(VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2820
        pendingCommitCnt = 140479555340480
        vbid = {vbid = 746}
        phosphor_internal_category_enabled_2796 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_2796 = <optimized out>
        phosphor_internal_tpi_2796 = {category = 0x9dfbce "CouchKVStore", name = 0x9d9b75 "commit", type = phosphor::Complete, argument_names = {_M_elems = {0x9d0bb2 "vbid", 0x9dfc32 "pendingCommitCnt"}}, argument_types = {_M_elems = {phosphor::is_uint, phosphor::is_uint}}}
        phosphor_internal_guard_2796 = {tpi = 0xd541a0 <CouchKVStore::commit(VB::Commit&)::phosphor_internal_tpi_2796>, enabled = true, arg1 = 746, arg2 = 1, start = {__d = {__r = 6892362573720106}}}
        docs = {<std::_Vector_base<Doc*, std::allocator<Doc*> >> = {_M_impl = {<std::allocator<Doc*>> = {<__gnu_cxx::new_allocator<Doc*>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Doc*, std::allocator<Doc*> >::_Vector_impl_data> = {_M_start = 0x7fc3f07b3040, _M_finish = 0x7fc3f07b3048, _M_end_of_storage = 0x7fc3f07b3048}, <No data fields>}}, <No data fields>}
        docinfos = {<std::_Vector_base<DocInfo*, std::allocator<DocInfo*> >> = {_M_impl = {<std::allocator<DocInfo*>> = {<__gnu_cxx::new_allocator<DocInfo*>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<DocInfo*, std::allocator<DocInfo*> >::_Vector_impl_data> = {_M_start = 0x7fc3f07b3048, _M_finish = 0x7fc3f07b3050, _M_end_of_storage = 0x7fc3f07b3050}, <No data fields>}}, <No data fields>}
        kvReqs = {<std::_Vector_base<void*, std::allocator<void*> >> = {_M_impl = {<std::allocator<void*>> = {<__gnu_cxx::new_allocator<void*>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<void*, std::allocator<void*> >::_Vector_impl_data> = {_M_start = 0x7fc3f07b3050, _M_finish = 0x7fc3f07b3058, _M_end_of_storage = 0x7fc3f07b3058}, <No data fields>}}, <No data fields>}
        kvctx = {commitData = @0x7fc3f1fe8d20, onDiskPrepareDelta = 1, onDiskPrepareBytesDelta = 52}
        errCode = COUCHSTORE_SUCCESS
        success = <optimized out>
#7  0x00000000007c0abe in EPBucket::commit(Vbid, KVStore&, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:890
        cb::userdataStartTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        cb::userdataEndTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, 
              _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, 
            _M_manager = 0x0}, _M_invoker = 0x0}
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        flatbuffers::flatbuffer_version_string = 0x9bcf77 "FlatBuffers 1.10.0"
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
#8  0x00000000007c5f2c in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:765
        cb::userdataStartTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        cb::userdataEndTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, 
              _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, 
            _M_manager = 0x0}, _M_invoker = 0x0}
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        flatbuffers::flatbuffer_version_string = 0x9bcf77 "FlatBuffers 1.10.0"
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
#9  0x00000000007c621f in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:362
        cb::userdataStartTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        cb::userdataEndTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, 
              _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, 
            _M_manager = 0x0}, _M_invoker = 0x0}
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        flatbuffers::flatbuffer_version_string = 0x9bcf77 "FlatBuffers 1.10.0"
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
#10 0x000000000066d850 in Flusher::flushVB() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:296
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, 
            _M_manager = 0x0}, _M_invoker = 0x0}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, 
              _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
        flatbuffers::flatbuffer_version_string = 0x9bcf77 "FlatBuffers 1.10.0"
#11 0x000000000066e319 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:199
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, 
            _M_manager = 0x0}, _M_invoker = 0x0}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, 
              _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
        flatbuffers::flatbuffer_version_string = 0x9bcf77 "FlatBuffers 1.10.0"
#12 0x0000000000670557 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:68
        guard = {previous = 0x0}
#13 0x000000000066b6a0 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}::operator()() const (__closure=0x7fc3f1fe95f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:190
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 6892362573641596}}
        runAgain = false
        proxy = @0x7fc45be2bbd0: <error reading variable>
#14 0x000000000066b6a0 in FollyExecutorPool::TaskProxy::timeoutExpired (this=<optimized out>)
No locals.
#15 0x0000000000975560 in operator() (this=0x7fc3f1fe95f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7fc3f1fe95f0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7fc45be2bbd0, tiny = {__data = "л\342[\304\177\000\000\320W\307g\304\177\000\000\060\000\000\000\000\000\000\000\224\275\001\000\000\000\000\000X\000\000\000\000\000\000\000\300\226\376\361\303\177\000", __align = {<No data fields>}}}, 
          call_ = 0x66be30 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, exec_ = 0x668bf0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#16 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7fc44e809c00, thread=..., task=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached.debug, CU 0x6ad2d02, DIE 0x6b1915c>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 6892362573629802}}
        stats = {expired = false, waitTime = {__r = 29693}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 6892362573600109}}, requestId = 0}
#17 0x000000000095d23a in folly::CPUThreadPoolExecutor::threadRun (this=0x7fc44e809c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xa01073 "CPUThreadPoolExecutor", e_ = 0xa01088 ""}}}}
#18 0x0000000000978519 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#19 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#20 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#21 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#22 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#23 0x0000000000669c2d in operator() (this=0x7fc45bf69d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:48
        fn = @0x7fc45bf69d00: <error reading variable>
#24 operator() (__closure=0x7fc45bf69d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:48
        threadNameOpt = {storage_ = {{emptyState = 96 '`', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fc3f1fe9760 "WriterPool2"}, _M_string_length = 11, {_M_local_buf = "WriterPool2\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = <error reading variable func (Cannot access memory at address 0x7fc45bf69d00)>
#25 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7fc45bf69d00: <error reading variable>
#26 0x00007fc465e78d40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
No locals.
#27 0x00007fc46567cea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#28 0x00007fc4653a58dd in clone () from /lib64/libc.so.6
No symbol table info available.