(gdb) info threads
  Id   Target Id                        Frame
* 1    Thread 0xfffeba0f5140 (LWP 9741) __wt_session_compact (wt_session=0xffffbbaa41a0, uri=0xffffbbaa4360 "\002", config=<optimized out>)
    at ../src/session/session_compact.c:395
  2    Thread 0xffff193fe140 (LWP 9730) internal_sched_yield ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp:422
  3    Thread 0xffffb6cff140 (LWP 9104) internal_sched_yield ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp:422
  4    Thread 0xffff173ed140 (LWP 9727) internal_sched_yield ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp:422
  5    Thread 0xfffeb98f4140 (LWP 9742) 0x0000ffffbebcd3f0 in __GI___select (nfds=<optimized out>, readfds=0x0, writefds=0x0, exceptfds=0x0, timeout=0xfffeb98f3640)
    at ../sysdeps/unix/sysv/linux/select.c:53
  6    Thread 0xffff19bff140 (LWP 9729) __memset_generic () at ../sysdeps/aarch64/memset.S:127
  7    Thread 0xfffebe0fd140 (LWP 9733) internal_sched_yield ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp:422
  8    Thread 0xffff17bee140 (LWP 9725) internal_sched_yield ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp:422
  9    Thread 0xffff183ef140 (LWP 9726) __memset_generic () at ../sysdeps/aarch64/memset.S:86
  10   Thread 0xfffeba8f6140 (LWP 9740) AddressIsPoisoned ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_mapping.h:407
  11   Thread 0xfffeb90f3140 (LWP 9743) __lll_lock_wait (futex=futex@entry=0xffff3bec2a40, private=0) at lowlevellock.c:52
  12   Thread 0xfffebc8fa140 (LWP 9736) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  13   Thread 0xffffb46fc140 (LWP 9103) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  14   Thread 0xffffbf595010 (LWP 9085) 0x0000ffffbebcd3f0 in __GI___select (nfds=<optimized out>, readfds=0x0, writefds=0x0, exceptfds=0x0, timeout=0xffffc0427420)
    at ../sysdeps/unix/sysv/linux/select.c:53
  15   Thread 0xffffb56fe140 (LWP 9101) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  16   Thread 0xffffb5eff140 (LWP 9096) futex_abstimed_wait_cancelable (private=0, abstime=0xffffb5efe660, clockid=<optimized out>, expected=0,
    futex_word=0xffffb9705c70) at ../sysdeps/nptl/futex-internal.h:320
  17   Thread 0xfffebc0f9140 (LWP 9737) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  18   Thread 0xffffb3efb140 (LWP 9105) futex_abstimed_wait_cancelable (private=0, abstime=0xffffb3efa6a0, clockid=<optimized out>, expected=0,
    futex_word=0xffffb97049c0) at ../sysdeps/nptl/futex-internal.h:320
  19   Thread 0xfffebf0ff140 (LWP 9731) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  20   Thread 0xfffebd0fb140 (LWP 9735) __memset_generic () at ../sysdeps/aarch64/memset.S:95
  21   Thread 0xfffebb8f8140 (LWP 9738) AddressIsPoisoned ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_mapping.h:407
  22   Thread 0xfffebb0f7140 (LWP 9739) __memset_generic () at ../sysdeps/aarch64/memset.S:95
  23   Thread 0xfffebe8fe140 (LWP 9732) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  24   Thread 0xffff18bf0140 (LWP 9728) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  25   Thread 0xffffb4efd140 (LWP 9102) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36
  26   Thread 0xfffebd8fc140 (LWP 9734) AsanOnDeadlySignal ()
    at /data/mci/df9d5809e957033cafd41f8c3aa0fe3b/toolchain-builder/tmp/build-llvm-v4.sh-ASS/llvm-project-llvmorg/compiler-rt/lib/asan/asan_posix.cpp:36