Thread 76 (LWP 237152):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fce60e583a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fce60e58358, cond=0x7fce60e58380) at pthread_cond_wait.c:425
#2  __pthread_cond_wait (cond=0x7fce60e58380, mutex=0x7fce60e58358) at pthread_cond_wait.c:496
#3  0x00005594c6b4469b in boost::condition_variable::wait(boost::unique_lock<boost::mutex>&) ()
#4  0x00005594c6b424d4 in boost::thread::join_noexcept() ()
#5  0x00007fce636b85d9 in boost::thread::join (this=0x7fce60f95bb0) at /usr/src/debug/MariaDB-/src_0/build/storage/columnstore/columnstore/.boost/boost-lib/include/boost/thread/detail/thread.hpp:762
#6  threadpool::ThreadPool::stop (this=0x5594c6eb7900) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/utils/threadpool/threadpool.cpp:135
#7  0x00007fce636b8db4 in threadpool::ThreadPool::~ThreadPool (this=0x5594c6eb7900, __in_chrg=<optimized out>) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/utils/threadpool/threadpool.cpp:56
#8  0x00007fce61f2774c in __run_exit_handlers (status=status@entry=1, listp=0x7fce622a7760, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:108
#9  0x00007fce61f27880 in __GI_exit (status=status@entry=1) at exit.c:139
#10 0x00005594c6b3fd2c in exemgr::RssMonFcn::operator() (this=0x7fce51763248) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/primitives/primproc/rssmonfcn.cpp:53
#11 0x00005594c6b3fefd in std::__invoke_impl<void, exemgr::RssMonFcn> (__f=...) at /usr/include/c++/8/bits/invoke.h:89
#12 std::__invoke<exemgr::RssMonFcn> (__fn=...) at /usr/include/c++/8/bits/invoke.h:95
#13 std::thread::_Invoker<std::tuple<exemgr::RssMonFcn> >::_M_invoke<0ul> (this=<optimized out>) at /usr/include/c++/8/thread:244
#14 std::thread::_Invoker<std::tuple<exemgr::RssMonFcn> >::operator() (this=<optimized out>) at /usr/include/c++/8/thread:253
#15 std::thread::_State_impl<std::thread::_Invoker<std::tuple<exemgr::RssMonFcn> > >::_M_run (this=<optimized out>) at /usr/include/c++/8/thread:196
#16 0x00007fce626f1b23 in std::execute_native_thread_routine (__p=0x7fce51763240) at ../../../../../libstdc++-v3/src/c++11/thread.cc:80
#17 0x00007fce6407f1ca in start_thread (arg=<optimized out>) at pthread_create.c:479
#18 0x00007fce61f10953 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (LWP 237069):
#0  0x00007fce64088877 in __libc_accept (fd=8, addr=..., len=0x7fce5f1f9004) at ../sysdeps/unix/sysv/linux/accept.c:26
#1  0x00007fce642c4718 in messageqcpp::CompressedInetStreamSocket::accept (this=0x7fce51608070, timeout=<optimized out>) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/utils/messageqcpp/socketparms.h:117
#2  0x00007fce642b1eb6 in messageqcpp::ServerSocket::accept (timeout=timeout@entry=0x0, this=0x7fce64089978 <.annobin_funlockfile.c_end+3>) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/utils/messageqcpp/serversocket.h:134
#3  messageqcpp::MessageQueueServer::accept (this=this@entry=0x7fce5161c0e0, timeout=timeout@entry=0x0) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/utils/messageqcpp/messagequeue.cpp:162
#4  0x00005594c6b35b3c in exemgr::ServiceExeMgr::Child (this=0x7fce51600000) at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/primitives/primproc/serviceexemgr.cpp:436
#5  0x00005594c6adc715 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<ServicePrimProc::Child()::{lambda()#1}> > >::_M_run() () at /usr/src/debug/MariaDB-/src_0/storage/columnstore/columnstore/primitives/primproc/primproc.cpp:352
#6  0x00007fce626f1b23 in std::execute_native_thread_routine (__p=0x7fce60f92b20) at ../../../../../libstdc++-v3/src/c++11/thread.cc:80
#7  0x00007fce6407f1ca in start_thread (arg=<optimized out>) at pthread_create.c:479
#8  0x00007fce61f10953 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95