Thread 9 (Thread 0x7fa793fff700 (LWP 29614)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa7ad1527f2 in futex (val3=0, uaddr2=0x0, timeout=0x0, val=-1, op=0, uaddr=0x7fa7a0000c50) at ../include/urcu/futex.h:65
#2  futex_noasync (timeout=0x0, uaddr2=0x0, val3=0, val=-1, op=0, uaddr=0x7fa7a0000c50) at ../include/urcu/futex.h:74
#3  call_rcu_wait (crdp=0x7fa7a0000c10) at urcu-call-rcu-impl.h:247
#4  call_rcu_thread (arg=0x7fa7a0000c10) at urcu-call-rcu-impl.h:382
#5  0x00007fa7ac6db6db in start_thread (arg=0x7fa793fff700) at pthread_create.c:463
#6  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fa7a888f700 (LWP 29603)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fa7ac6de023 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x7fa798005a28) at ../nptl/pthread_mutex_lock.c:78
#2  0x0000559bab87116f in consumer_data_pending (id=<optimized out>, id@entry=10) at consumer.c:3723
#3  0x0000559bab88c0e8 in lttng_ustconsumer_recv_cmd (ctx=<optimized out>, sock=31, consumer_sockpoll=<optimized out>) at ust-consumer.c:1406
#4  0x0000559bab870aa7 in consumer_thread_sessiond_poll (data=0x559babc563e0) at consumer.c:3296
#5  0x00007fa7ac6db6db in start_thread (arg=0x7fa7a888f700) at pthread_create.c:463
#6  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa7a9090700 (LWP 29602)):
#0  0x00007fa7ac6e6567 in __libc_recvmsg (fd=fd@entry=32, msg=msg@entry=0x7fa7a908c560, flags=flags@entry=16384) at ../sysdeps/unix/sysv/linux/recvmsg.c:28
#1  0x0000559bab8984f8 in lttng_recvmsg_nosigpipe (msg=0x7fa7a908c560, sockfd=32) at ../../src/common/compat/socket.h:36
#2  lttcomm_recv_unix_sock (sock=32, buf=buf@entry=0x7fa7a908c700, len=len@entry=12688) at unix.c:202
#3  0x0000559bab88b5c8 in lttng_ustconsumer_request_metadata (ctx=ctx@entry=0x559babc563e0, channel=0x7fa79800f540, timer=timer@entry=0, wait=wait@entry=0) at ust-consumer.c:3171
#4  0x0000559bab88f43b in lttng_ustconsumer_sync_metadata (ctx=ctx@entry=0x559babc563e0, metadata=metadata@entry=0x7fa798012810) at ust-consumer.c:2550
#5  0x0000559bab877852 in do_sync_metadata (ctx=<optimized out>, metadata=<optimized out>) at consumer-stream.c:466
#6  consumer_stream_sync_metadata (ctx=ctx@entry=0x559babc563e0, session_id=<optimized out>) at consumer-stream.c:543
#7  0x0000559bab88a16e in lttng_ustconsumer_read_subbuffer (stream=stream@entry=0x7fa7980058f0, ctx=ctx@entry=0x559babc563e0, rotated=rotated@entry=0x7fa7a908fb27) at ust-consumer.c:2867
#8  0x0000559bab870dee in lttng_consumer_read_subbuffer (stream=0x7fa7980058f0, ctx=0x559babc563e0) at consumer.c:3386
#9  0x0000559bab86de88 in consumer_thread_data_poll (data=0x559babc563e0) at consumer.c:2750
#10 0x00007fa7ac6db6db in start_thread (arg=0x7fa7a9090700) at pthread_create.c:463
#11 0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa7a9891700 (LWP 29601)):
#0  0x00007fa7ac404bb7 in epoll_wait (epfd=28, events=events@entry=0x7fa7a0000b20, maxevents=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x0000559bab887444 in compat_epoll_wait (events=events@entry=0x7fa7a9890b90, timeout=timeout@entry=-1) at compat-epoll.c:275
#2  0x0000559bab86c4da in consumer_thread_metadata_poll (data=0x559babc563e0) at consumer.c:2374
#3  0x00007fa7ac6db6db in start_thread (arg=0x7fa7a9891700) at pthread_create.c:463
#4  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa7aa092700 (LWP 29600)):
#0  0x00007fa7ac404bb7 in epoll_wait (epfd=29, events=events@entry=0x7fa79c001060, maxevents=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x0000559bab887444 in compat_epoll_wait (events=events@entry=0x7fa7aa091b70, timeout=timeout@entry=-1) at compat-epoll.c:275
#2  0x0000559bab86ed81 in consumer_thread_channel_poll (data=0x559babc563e0) at consumer.c:2968
#3  0x00007fa7ac6db6db in start_thread (arg=0x7fa7aa092700) at pthread_create.c:463
#4  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa7aa893700 (LWP 29599)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fa7ac6de023 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x7fa798005a28) at ../nptl/pthread_mutex_lock.c:78
#2  0x0000559bab875ee4 in sample_channel_positions (get_produced=0x559bab888900 <lttng_ustconsumer_get_produced_snapshot>, get_consumed=0x559bab888980 <lttng_ustconsumer_get_consumed_snapshot>, sample=0x559bab8888a0 <lttng_ustconsumer_sample_snapshot_positions>, _total_consumed=0x7fa7aa892aa8, _lowest_use=0x7fa7aa892a98, _highest_use=0x7fa7aa892aa0, channel=0x7fa798000c90) at consumer-timer.c:659
#3  monitor_timer (channel=0x7fa798000c90) at consumer-timer.c:747
#4  consumer_timer_thread (data=0x559babc563e0) at consumer-timer.c:852
#5  0x00007fa7ac6db6db in start_thread (arg=0x7fa7aa893700) at pthread_create.c:463
#6  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa7ab8d6700 (LWP 29582)):
#0  0x00007fa7ac404bb7 in epoll_wait (epfd=27, events=events@entry=0x7fa7a40033e0, maxevents=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x0000559bab887444 in compat_epoll_wait (events=events@entry=0x7fa7ab8d5b90, timeout=timeout@entry=-1) at compat-epoll.c:275
#2  0x0000559bab866199 in thread_manage_health (data=<optimized out>) at health-consumerd.c:244
#3  0x00007fa7ac6db6db in start_thread (arg=0x7fa7ab8d6700) at pthread_create.c:463
#4  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa7ac0d7700 (LWP 29581)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa7acafd69d in futex (val3=0, uaddr2=0x0, timeout=0x0, val=-1, op=0, uaddr=0x559babc54250) at ../include/urcu/futex.h:65
#2  futex_async (timeout=0x0, uaddr2=0x0, val3=0, val=-1, op=0, uaddr=0x559babc54250) at ../include/urcu/futex.h:97
#3  futex_wait (futex=0x559babc54250) at workqueue.c:141
#4  0x00007fa7acafdbb5 in futex_wait (futex=0x559babc54250) at ../include/urcu/static/wfcqueue.h:255
#5  workqueue_thread (arg=0x559babc54210) at workqueue.c:242
#6  0x00007fa7ac6db6db in start_thread (arg=0x7fa7ac0d7700) at pthread_create.c:463
#7  0x00007fa7ac40488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa7ad74bf80 (LWP 29573)):
#0  0x00007fa7ac6dcd2d in __GI___pthread_timedjoin_ex (threadid=140358063814400, thread_return=0x7ffc4de09de0, abstime=0x0, block=<optimized out>) at pthread_join_common.c:89
#1  0x0000559bab86511c in main (argc=<optimized out>, argv=<optimized out>) at lttng-consumerd.c:573