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To enable execution of this file add
	add-auto-load-safe-path /usr/lib/x86_64-linux-gnu/libthread_db-1.0.so
line to your configuration file "/root/.gdbinit".
To completely disable this security protection add
	set auto-load safe-path /
line to your configuration file "/root/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
	info "(gdb)Auto-loading safe path"
Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
#0  0x000000000086e524 in std::__atomic_base<unsigned long>::load (__m=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, this=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/atomic.h:503
[Current thread is 1 (LWP 48723)]
#0  0x000000000086e524 in std::__atomic_base<unsigned long>::load (__m=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, this=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/atomic.h:503
        __b = <optimized out>
        __b = <optimized out>
#1  cb::AtomicNonNegativeCounter<unsigned long, cb::ThrowExceptionUnderflowPolicy>::load (this=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at /opt/gcc-13.2.0/include/c++/13.2.0/x86_64-pc-linux-gnu/bits/bitset:235
No locals.
#2  cb::AtomicNonNegativeCounter<unsigned long, cb::ThrowExceptionUnderflowPolicy>::operator unsigned long (this=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at /opt/gcc-13.2.0/include/c++/13.2.0/x86_64-pc-linux-gnu/bits/bitset:231
No locals.
#3  Collections::VB::ManifestEntry::getItemCount (this=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at /opt/gcc-13.2.0/include/c++/13.2.0/pstl/gthr-default.h:135
No locals.
#4  Collections::VB::StatsReadHandle::getItemCount (this=this@entry=0x7f2b2e7f1090) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/collections/vbucket_manifest_handles.cc:43
No locals.
#5  0x00000000009bda9b in ActiveStream::tryAndScheduleOSOBackfill (this=0x7f2a7ff03390, producer=..., vb=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/active_stream.cc:2073
        stats = {<Collections::VB::ReadHandle> = {readLock = {lock_ = 0x7f2a92c3bb18, token_ = {type_ = folly::SharedMutexToken::Type::INLINE_SHARED, slot_ = 0}}, manifest = 0x7f2a92c3ba80}, itr = {<folly::f14::detail::BaseIter<std::pair<CollectionID const, Collections::VB::ManifestEntry> const*, std::pair<CollectionID const, Collections::VB::ManifestEntry>*>> = {<No data fields>}, underlying_ = {itemPtr_ = 0x0, index_ = 0}}}
        __for_range = <error reading variable>
        __for_begin = <optimized out>
        __for_end = <optimized out>
        cid = <synthetic pointer>
        sid = <synthetic pointer>
        colItemCount = 0
        colDiskSize = 0
        vbItemCount = <optimized out>
        osoBackfill = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<std::__new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f2b2e7f1020 "auto"}, _M_string_length = 4, {_M_local_buf = "auto\000\000\000\000a\002M:\000\000\000", _M_allocated_capacity = 1869903201}}
        config = <error reading variable>
#6  0x00000000009c15f5 in ActiveStream::scheduleBackfill_UNLOCKED (this=0x7f2a7ff03390, producer=..., reschedule=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/gsl-lite/include/gsl/basic_string.h:1349
        vbucket = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f2a92d33800, _M_refcount = {_M_pi = 0x7f2a92d217a0}}, <No data fields>}
        backfillStart = <optimized out>
        backfillEnd = <optimized out>
        tryBackfill = <error reading variable tryBackfill (dwarf2_find_location_expression: Corrupted DWARF expression.)>
#7  0x00000000009bfa62 in ActiveStream::transitionState (this=0x7f2a7ff03390, newState=ActiveStream::StreamState::Backfilling) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/active_stream.cc:2413
        producer = {<std::__shared_ptr<DcpProducer, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<DcpProducer, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f2a8e45f580, _M_refcount = {_M_pi = 0x7f2a8e45f500}}, <No data fields>}
        logLevel = <error reading variable logLevel (dwarf2_find_location_expression: Corrupted DWARF expression.)>
        validTransition = <optimized out>
        oldState = <optimized out>
#8  0x00000000009cb17d in ActiveStream::setActive (this=0x7f2a7ff03390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/item.h:138
        lh = {_M_device = @0x7f2a7ff033f8}
#9  0x00000000008b3d7e in DcpProducer::streamRequest(unsigned int, unsigned int, Vbid, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long*, std::function<cb::engine_errc (std::vector<vbucket_failover_t, std::allocator<vbucket_failover_t> > const&)>, std::optional<std::basic_string_view<char, std::char_traits<char> > >) (this=<optimized out>, flags=<optimized out>, opaque=<optimized out>, vbucket=..., start_seqno=<optimized out>, end_seqno=18446744073709551615, vbucket_uuid=0, snap_start_seqno=0, snap_end_seqno=0, rollback_seqno=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, callback=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, json=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/producer.cc:612
        rlh = {lock_ = 0x7f2a92d34228, token_ = {type_ = folly::SharedMutexToken::Type::DEFERRED_SHARED, slot_ = 4}}
        vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f2a92d33800, _M_refcount = {_M_pi = 0x7f2a92d217a0}}, <No data fields>}
        highSeqno = <optimized out>
        filter = {filter = {_M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, ScopeID>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, ScopeID>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, ScopeID>, std::allocator<std::pair<CollectionID const, ScopeID> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, ScopeID>, std::allocator<std::pair<CollectionID const, ScopeID> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, ScopeID>, std::allocator<std::pair<CollectionID const, ScopeID> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, ScopeID>, std::allocator<std::pair<CollectionID const, ScopeID> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, ScopeID>, std::allocator<std::pair<CollectionID const, ScopeID> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, ScopeID>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, ScopeID>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, ScopeID>, true> >> = {<std::__new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, ScopeID>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::_Enable_default_constructor<true, std::__detail::_Hash_node_base>> = {<No data fields>}, _M_buckets = 0x7f2b2e7f1700, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, scopeID = {<std::_Optional_base<ScopeID, true, true>> = {<std::_Optional_base_impl<ScopeID, std::_Optional_base<ScopeID, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<ScopeID>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = {value = 77}}, _M_engaged = false}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<ScopeID> >> = {<No data fields>}, <No data fields>}, lastCheckedPrivilegeRevision = {<std::_Optional_base<unsigned int, true, true>> = {<std::_Optional_base_impl<unsigned int, std::_Optional_base<unsigned int, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<unsigned int>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = 160}, _M_engaged = true}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned int> >> = {<No data fields>}, <No data fields>}, streamId = {id = 0}, scopeIsDropped = false, defaultAllowed = false, passthrough = false, systemEventsAllowed = true}
        callAddVBConnByVBId = true
        found = <optimized out>
        purgeSeqno = <optimized out>
        needsRollback = {<std::_Optional_base<FailoverTable::RollbackDetails, false, false>> = {<std::_Optional_base_impl<FailoverTable::RollbackDetails, std::_Optional_base<FailoverTable::RollbackDetails, false, false> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload<FailoverTable::RollbackDetails, true, false, false>> = {<std::_Optional_payload_base<FailoverTable::RollbackDetails>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = {rollbackReason = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<std::__new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f2b365d2100 <error: Cannot access memory at address 0x7f2b365d2100>}, _M_string_length = 705, {_M_local_buf = "\301\002\000\000\000\000\000\000,\233L:+\177\000", _M_allocated_capacity = 705}}, rollbackSeqno = 139820691459328}}, _M_engaged = false}, <No data fields>}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<FailoverTable::RollbackDetails> >> = {<No data fields>}, <No data fields>}
        failoverEntries = {<std::_Vector_base<vbucket_failover_t, std::allocator<vbucket_failover_t> >> = {_M_impl = {<std::allocator<vbucket_failover_t>> = {<std::__new_allocator<vbucket_failover_t>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<vbucket_failover_t, std::allocator<vbucket_failover_t> >::_Vector_impl_data> = {_M_start = 0x7f2a97867070, _M_finish = 0x7f2a97867080, _M_end_of_storage = 0x7f2a97867080}, <No data fields>}}, <No data fields>}
        streamID = <error reading variable streamID (dwarf2_find_location_expression: Corrupted DWARF expression.)>
        s = {<std::__shared_ptr<ActiveStream, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<ActiveStream, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f2a7ff03390, _M_refcount = {_M_pi = 0x7f2a7ff03380}}, <No data fields>}
        epe = <optimized out>
        rv = 32555
#10 0x0000000000737387 in EventuallyPersistentEngine::stream_req(CookieIface&, unsigned int, unsigned int, Vbid, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long*, std::function<cb::engine_errc (std::vector<vbucket_failover_t, std::allocator<vbucket_failover_t> > const&)>, std::optional<std::basic_string_view<char, std::char_traits<char> > >) (this=<optimized out>, cookie=..., flags=16, opaque=2936247296, vbucket=..., startSeqno=0, endSeqno=18446744073709551615, vbucketUuid=0, snapStartSeqno=0, snapEndSeqno=0, rollbackSeqno=0x7f2b2e7f1ae8, callback=..., json=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/range_scans/vb_visitors.h:247
        engine = <optimized out>
        conn = <error reading variable>
#11 0x00000000005d2a91 in dcpStreamReq(Cookie&, unsigned int, unsigned int, Vbid, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long*, std::function<cb::engine_errc (std::vector<vbucket_failover_t, std::allocator<vbucket_failover_t> > const&)>, std::optional<std::basic_string_view<char, std::char_traits<char> > >) (cookie=..., flags=flags@entry=16, opaque=2936247296, vbucket=vbucket@entry=..., startSeqno=startSeqno@entry=0, endSeqno=endSeqno@entry=18446744073709551615, vbucketUuid=0, snapStartSeqno=0, snapEndSeqno=0, rollbackSeqno=0x7f2b2e7f1ae8, callback=..., json=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/mcbp/protocol/privilege_database.h:247
        connection = <error reading variable>
        dcp = <optimized out>
        ret = <optimized out>
#12 0x000000000069ed98 in dcp_stream_req_executor (cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/connection.h:73
        request = <optimized out>
        flags = 16
        start_seqno = 0
        vbucket_uuid = 0
        snap_start_seqno = 0
        collections = <optimized out>
        payload = <error reading variable payload (dwarf2_find_location_expression: Corrupted DWARF expression.)>
        end_seqno = 18446744073709551615
        snap_end_seqno = 0
        rollback_seqno = 0
        ret = <optimized out>
        connection = <optimized out>
#13 0x000000000061e975 in Cookie::doExecute (this=0x7f2b366bad00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/io/async/IOBuf.h:110
        header = <error reading variable>
#14 0x000000000061ea0f in Cookie::execute (this=this@entry=0x7f2b366bad00, useStartTime=useStartTime@entry=true) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:189
        ts = <optimized out>
        done = <optimized out>
        te = {__d = {__r = 139823573347584}}
#15 0x0000000000605420 in Connection::executeCommandPipeline (this=0x7f2aab6daa00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/gsl-lite/include/gsl/chrono.h:434
        cookie = <optimized out>
        status = <optimized out>
        stop = <error reading variable stop (dwarf2_find_location_expression: Corrupted DWARF expression.)>
        serverless = false
        maxActiveCommands = 32
        active = false
        now = <optimized out>
        maxSendQueueSize = 1048576
#16 0x000000000060a344 in Connection::executeCommandsCallback (this=this@entry=0x7f2aab6daa00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:985
        bucketName = {value = {_M_elems = "default", '\000' <repeats 24 times>}}
        start = <optimized out>
        stop = <optimized out>
        ns = <optimized out>
#17 0x0000000000614547 in LibeventConnection::read_callback (this=0x7f2aab6daa00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection_libevent.cc:135
        phosphor_internal_category_enabled_130 = {_M_b = {_M_p = 0x0}}
        phosphor_internal_category_enabled_temp_130 = <optimized out>
        phosphor_internal_tpi_wait_130 = {category = 0xe3f8d7 "mutex", name = 0xde2cb0 "LibeventConnection::read_callback::threadLock.wait", type = phosphor::TraceEventType::Complete, argument_names = {_M_elems = {0xe3c3cc "this", 0xe402ed ""}}, argument_types = {_M_elems = {phosphor::TraceArgumentType::is_pointer, phosphor::TraceArgumentType::is_none}}}
        phosphor_internal_tpi_held_130 = {category = 0xe3f8d7 "mutex", name = 0xde2c78 "LibeventConnection::read_callback::threadLock.held", type = phosphor::TraceEventType::Complete, argument_names = {_M_elems = {0xe402ed "", 0xe402ed ""}}, argument_types = {_M_elems = {phosphor::TraceArgumentType::is_pointer, phosphor::TraceArgumentType::is_none}}}
        phosphor_internal_guard_130 = {tpiWait = 0xe51680 <LibeventConnection::read_callback()::phosphor_internal_tpi_wait_130>, tpiHeld = 0xe51640 <LibeventConnection::read_callback()::phosphor_internal_tpi_held_130>, enabled = true, mutex = @0x7f2b38dc97c0, threshold = {__r = 10000000}, start = {__d = {__r = 16902672764290032}}, lockedAt = {__d = {__r = 16902672764291082}}, releasedAt = {__d = {__r = 0}}}
#18 0x00007f2b3b00284e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x7f2aab6da780) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
        readcb = 0x614720 <LibeventConnection::read_callback(bufferevent*, void*)>
        cbarg = 0x7f2aab6daa00
        bufev_private = 0x7f2aab6da780
        bufev = 0x7f2aab6da780
#19 0x00007f2b3b00bb99 in event_process_active_single_queue (base=base@entry=0x7f2b38cd6800, activeq=0x7f2b38d6a030, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
        evcb_cbfinalize = <optimized out>
        ev = <optimized out>
        evcb = 0x7f2aab6da920
        count = 11
#20 0x00007f2b3b00c287 in event_process_active (base=0x7f2b38cd6800) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
        activeq = <optimized out>
        i = 0
        c = 0
        tv = {tv_sec = 139823440404496, tv_usec = 139823633251222}
        maxcb = 2147483647
        endtime = 0x0
        limit_after_prio = 2147483647
        activeq = <optimized out>
        i = <optimized out>
        c = <optimized out>
        endtime = <optimized out>
        tv = <optimized out>
        maxcb = <optimized out>
        limit_after_prio = <optimized out>
#21 event_base_loop (base=0x7f2b38cd6800, flags=flags@entry=1) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
        n = <optimized out>
        evsel = 0x7f2b3b21fc20 <epollops>
        tv = {tv_sec = 0, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#22 0x0000000000d7ddd6 in (anonymous namespace)::EventBaseBackend::eb_event_base_loop (flags=1, this=<optimized out>) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:74
No locals.
#23 folly::EventBase::loopBody (this=0x7f2b38dc9560, flags=<optimized out>, ignoreKeepAlive=<optimized out>) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:381
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f2b2e7f2080, prev_ = 0x7f2b2e7f2080}, <No data fields>}}}}, <No data fields>}
        message = 0xe2d5b8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE8 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f2b38dc9560}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = <optimized out>
        once = <optimized out>
        prev = {__d = {__r = 16902456063351241}}
        idleStart = {__d = {__r = 16902672762548297}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#24 0x0000000000d7e2de in folly::EventBase::loop (this=0x7f2b38dc9560) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:305
        guard = {list_ = {prev = 0x11f58a0 <folly::emptyList>, curr = {forbid = true, allowTerminationOnBlocking = false, ex = 0x7f2b38dc9570, tag = {static npos = <optimized out>, b_ = 0x0, e_ = 0x0}}}}
#25 0x0000000000d807a8 in folly::EventBase::loopForever (this=this@entry=0x7f2b38dc9560) at /home/couchbase/jenkins/cbdeps-ws/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:524
        SCOPE_EXIT_STATE9 = <optimized out>
        SCOPE_EXIT_STATE10 = <optimized out>
        ret = <optimized out>
#26 0x00000000005c4aa9 in worker_libevent (arg=0x7f2b38dc9550) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:272
        me = <error reading variable>
#27 0x0000000000cf146c in std::function<void ()>::operator()() const (this=0x7f2b38c999e8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/googletest.exploded/include/gtest/std_thread.h:247
No locals.
#28 operator() (__closure=0x7f2b38c999c8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:117
        main = <error reading variable main (Cannot access memory at address 0x7f2b38c999e8)>
        n = <error reading variable n (Cannot access memory at address 0x7f2b38c999c8)>
        main = <optimized out>
        n = <optimized out>
#29 std::__invoke_impl<void, create_thread(std::function<void()>, std::string)::<lambda()> > (__f=...) at /opt/gcc-13.2.0/include/c++/13.2.0/x86_64-pc-linux-gnu/bits/exception:61
No locals.
#30 std::__invoke<create_thread(std::function<void()>, std::string)::<lambda()> > (__fn=...) at /opt/gcc-13.2.0/include/c++/13.2.0/x86_64-pc-linux-gnu/bits/exception:96
No locals.
#31 std::thread::_Invoker<std::tuple<create_thread(std::function<void()>, std::string)::<lambda()> > >::_M_invoke<0> (this=0x7f2b38c999c8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/include/platform/thread.cc:292
No locals.
#32 std::thread::_Invoker<std::tuple<create_thread(std::function<void()>, std::string)::<lambda()> > >::operator() (this=0x7f2b38c999c8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/include/platform/thread.cc:299
No locals.
#33 std::thread::_State_impl<std::thread::_Invoker<std::tuple<create_thread(std::function<void()>, std::string)::<lambda()> > > >::_M_run(void) (this=0x7f2b38c999c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/include/platform/thread.cc:244
No locals.
#34 0x00007f2b3a323aa3 in std::execute_native_thread_routine (__p=0x7f2b38c999c0) at /tmp/deploy/objdir/../gcc-13.2.0/libstdc++-v3/src/c++11/thread.cc:104
        __t = <optimized out>
#35 0x00007f2b3a9a3fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139823440447232, -6246543336363255034, 140730728226926, 140730728226927, 139823440447232, 0, 6276202656155048710, 6276228812454632198}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#36 0x00007f2b39fce06f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.