(gdb) info threads
  Id   Target Id                           Frame
* 1    Thread 0x7662ac1206c0 (LWP 2808665) __pthread_kill_implementation (no_tid=0, signo=11, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
  2    Thread 0x7662b0ab76c0 (LWP 2808536) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7662b0ab6d00, op=393, expected=0,
    futex_word=0x58c47408a3ac <COND_timer+44>) at ./nptl/futex-internal.c:57
  3    Thread 0x766298d526c0 (LWP 2808540) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=28258, cancel=true, abstime=0x0, op=393, expected=0,
    futex_word=0x58c47370b3e8 <buf_pool+808>) at ./nptl/futex-internal.c:57
  4    Thread 0x7662ac2e26c0 (LWP 2808543) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=-1, cancel=true, abstime=0x0, op=393, expected=0,
    futex_word=0x58c4737bcf28 <COND_manager+40>) at ./nptl/futex-internal.c:57
  5    Thread 0x6e6283d0a6c0 (LWP 2808542) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=-2083480448, cancel=true, abstime=0x6e6283d09c60, op=137,
    expected=0, futex_word=0x58c49745ba4c) at ./nptl/futex-internal.c:57
  6    Thread 0x6e62825076c0 (LWP 2808547) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=-2108658560, cancel=true, abstime=0x6e6282506c60, op=137,
    expected=0, futex_word=0x58c49745bae8) at ./nptl/futex-internal.c:57
  7    Thread 0x766299d546c0 (LWP 2808538) 0x00007662b1487ab0 in ?? () from /lib/x86_64-linux-gnu/liburing.so.2
  8    Thread 0x7662ac24c6c0 (LWP 2808546) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=22724, cancel=true, abstime=0x0, op=393, expected=0,
    futex_word=0x58c4737b9cec <COND_slave_deadlock_handler+44>) at ./nptl/futex-internal.c:57
  9    Thread 0x6e6282d086c0 (LWP 2808544) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=30306, cancel=true, abstime=0x6e6282d07cd0, op=393,
    expected=0, futex_word=0x58c4737f33b8 <pool_timer+88>) at ./nptl/futex-internal.c:57
  10   Thread 0x7662ac1b66c0 (LWP 2808560) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7662ac1b5c60, op=393, expected=0,
    futex_word=0x7662ac1b5cb8) at ./nptl/futex-internal.c:57
  11   Thread 0x7662ac2976c0 (LWP 2808545) 0x00007662b0445fc8 in __GI___sigtimedwait (set=0x7662ac296bc0, info=0x7662ac296c40, timeout=0x0)
    at ../sysdeps/unix/sysv/linux/sigtimedwait.c:31
  12   Thread 0x7662ac2016c0 (LWP 2808559) 0x00007662b052a072 in epoll_wait (epfd=25, events=0x7662ac1fdc10, maxevents=1024, timeout=-1)
    at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
  13   Thread 0x7662995536c0 (LWP 2808539) 0x00007662b051b4fd in __GI___poll (fds=0x58c474078040 <mem_pressure_obj>, nfds=3, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
  14   Thread 0x7662ac16b6c0 (LWP 2808664) 0x00007662b052a072 in epoll_wait (epfd=26, events=0x7662ac167c10, maxevents=1024, timeout=-1)
    at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
  15   Thread 0x6e62835096c0 (LWP 2808541) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0,
    futex_word=0x58c49763fa2c) at ./nptl/futex-internal.c:57
  16   Thread 0x7662acf246c0 (LWP 2808537) 0x00007662b0498d71 in __futex_abstimed_wait_common64 (private=30306, cancel=true, abstime=0x7662acf23cb0, op=393,
    expected=0, futex_word=0x58c473ff5e68 <COND_checkpoint+40>) at ./nptl/futex-internal.c:57
  17   Thread 0x7662b1125f00 (LWP 2808535) 0x00007662b051b4fd in __GI___poll (fds=0x58c497c1fa88, nfds=3, timeout=timeout@entry=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29