Thread 54: "rsBackgroundSync" (Thread 0x7e983ac4ee60 (LWP 16775))
#0  0x00007e9857b82b94 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib/powerpc64le-linux-gnu/libpthread.so.0
#1  0x00000b5b64fa1e68 in __gthread_cond_timedwait (__abs_timeout=0x7e983ac4cb68, __mutex=<optimized out>, __cond=<optimized out>) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/ppc64le-mongodb-linux/bits/gthr-default.h:871
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=<synthetic pointer>..., this=0xb5b909d72d0) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/condition_variable:178
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=<synthetic pointer>..., this=0xb5b909d72d0) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/condition_variable:106
#4  std::condition_variable::wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, mongo::CondVarLockGrantNotification::wait(mongo::Milliseconds)::<lambda()> > (__p=..., __atime=..., __lock=<synthetic pointer>..., this=0xb5b909d72d0) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/condition_variable:129
#5  std::condition_variable::wait_for<long int, std::ratio<1, 1000000000>, mongo::CondVarLockGrantNotification::wait(mongo::Milliseconds)::<lambda()> > (__p=..., __rtime=..., __lock=<synthetic pointer>..., this=0xb5b909d72d0) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/condition_variable:156
#6  mongo::CondVarLockGrantNotification::wait (this=this@entry=0xb5b909d72a0, timeout=..., timeout@entry=...) at src/mongo/db/concurrency/lock_state.cpp:213
#7  0x00000b5b64fa3eec in mongo::LockerImpl::lockComplete (this=0xb5b909d7200, opCtx=0x0, resId=..., mode=<optimized out>, deadline=...) at src/mongo/db/concurrency/lock_state.cpp:867
#8  0x00000b5b64fa67a0 in mongo::LockerImpl::lock (this=<optimized out>, resId=..., mode=<optimized out>, deadline=...) at src/mongo/db/concurrency/lock_state.h:173
#9  0x00000b5b64f9155c in mongo::Lock::ResourceLock::lock (this=0x7e983ac4d290, mode=<optimized out>) at src/mongo/db/concurrency/d_concurrency.cpp:343
#10 0x00000b5b64f9172c in mongo::Lock::GlobalLock::_enqueue (this=this@entry=0x7e983ac4d280, lockMode=lockMode@entry=mongo::MODE_IS, deadline=...) at src/mongo/db/concurrency/d_concurrency.cpp:181
#11 0x00000b5b64f918e8 in mongo::Lock::GlobalLock::GlobalLock (this=0x7e983ac4d280, opCtx=<optimized out>, lockMode=<optimized out>, deadline=..., behavior=<optimized out>, enqueueOnly=...) at src/mongo/db/concurrency/d_concurrency.cpp:158
#12 0x00000b5b64f91974 in mongo::Lock::GlobalLock::GlobalLock (this=0x7e983ac4d280, opCtx=<optimized out>, lockMode=<optimized out>, deadline=..., behavior=<optimized out>) at src/mongo/db/concurrency/d_concurrency.cpp:140
#13 0x00000b5b64f91a74 in mongo::Lock::DBLock::DBLock (this=0x7e983ac4d268, opCtx=0xb5b91332940, db="local", mode=<optimized out>, deadline=...) at src/mongo/db/concurrency/lock_manager_defs.h:101
#14 0x00000b5b642664e4 in mongo::AutoGetDb::AutoGetDb (this=<optimized out>, opCtx=<optimized out>, dbName=..., mode=<optimized out>, deadline=...) at src/mongo/db/catalog_raii.cpp:55
#15 0x00000b5b6426732c in mongo::AutoGetCollection::AutoGetCollection (this=0x7e983ac4d268, opCtx=0xb5b91332940, nsOrUUID=..., modeDB=<optimized out>, modeColl=<optimized out>, viewMode=<optimized out>, deadline=...) at src/mongo/base/string_data.h:61
#16 0x00000b5b62d5f99c in mongo::AutoGetCollection::AutoGetCollection (deadline=..., viewMode=mongo::AutoGetCollection::kViewsForbidden, modeAll=<optimized out>, nsOrUUID=..., opCtx=<error reading variable: value has been optimized out>, this=<optimized out>) at src/mongo/db/catalog_raii.h:91
#17 mongo::repl::(anonymous namespace)::<lambda()>::operator()(void) const (__closure=__closure@entry=0x7e983ac4d3c8) at src/mongo/db/repl/storage_interface_impl.cpp:606
#18 0x00000b5b62d60b28 in mongo::writeConflictRetry<mongo::repl::(anonymous namespace)::_findOrDeleteDocuments(mongo::OperationContext*, const mongo::NamespaceStringOrUUID&, boost::optional<mongo::StringData>, mongo::repl::StorageInterface::ScanDirection, const mongo::BSONObj&, const mongo::BSONObj&, mongo::BoundInclusion, std::size_t, mongo::repl::(anonymous namespace)::FindDeleteMode)::<lambda()> > (f=..., ns=..., opStr=..., opCtx=0xb5b91332940) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/bits/atomic_base.h:390
#19 mongo::repl::(anonymous namespace)::_findOrDeleteDocuments (opCtx=<optimized out>, opCtx@entry=0xb5b91332940, nsOrUUID=..., indexName=..., scanDirection=<optimized out>, scanDirection@entry=mongo::repl::StorageInterface::ScanDirection::kForward, startKey=unowned empty BSONObj @ 0xb5b65398a10 <mongo::BSONObj::BSONObj()::kEmptyObjectPrototype>, endKey=<error reading variable: Cannot access memory at address 0x0>..., boundInclusion=<optimized out>, limit=<optimized out>, limit@entry=0, mode=mode@entry=mongo::repl::(anonymous namespace)::FindDeleteMode::kFind) at src/mongo/db/repl/storage_interface_impl.cpp:712
#20 0x00000b5b62d698cc in mongo::repl::StorageInterfaceImpl::findDocuments (this=<optimized out>, opCtx=0xb5b91332940, nss=..., indexName=..., scanDirection=<optimized out>, startKey=unowned empty BSONObj @ 0xb5b65398a10 <mongo::BSONObj::BSONObj()::kEmptyObjectPrototype>, boundInclusion=<optimized out>, limit=2) at src/mongo/bson/bsonobj.h:128
#21 0x00000b5b62d5d828 in mongo::repl::StorageInterfaceImpl::findSingleton (this=<optimized out>, opCtx=<optimized out>, nss=...) at src/mongo/bson/bsonobj.h:128
#22 0x00000b5b62da0380 in mongo::repl::ReplicationConsistencyMarkersImpl::_getMinValidDocument (this=<error reading variable: value has been optimized out>, opCtx=<optimized out>) at src/mongo/db/repl/replication_consistency_markers_impl.cpp:74
#23 0x00000b5b62da09bc in mongo::repl::ReplicationConsistencyMarkersImpl::getMinValid (this=<optimized out>, opCtx=<optimized out>) at src/mongo/db/repl/replication_consistency_markers_impl.cpp:179
#24 0x00000b5b62e3361c in mongo::repl::BackgroundSync::_produce (this=this@entry=0xb5b8b357e00) at /opt/mongodbtoolchain/revisions/94dac13bc8c0b50beff286acac77adeb2e81761e/stow/gcc-v3.tmq/include/c++/8.2.0/bits/unique_ptr.h:342
#25 0x00000b5b62e35564 in mongo::repl::BackgroundSync::_runProducer (this=this@entry=0xb5b8b357e00) at src/mongo/db/repl/bgsync.cpp:213
#26 0x00000b5b62e357ac in mongo::repl::BackgroundSync::_run (this=0xb5b8b357e00) at src/mongo/db/repl/bgsync.cpp:174
#27 0x00000b5b65377694 in std::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/combined/libstdc++-v3/src/c++11/thread.cc:80
#28 0x00007e9857b7885c in start_thread () from /lib/powerpc64le-linux-gnu/libpthread.so.0
#29 0x00007e9857a99028 in clone () from /lib/powerpc64le-linux-gnu/libc.so.6