Thread 9 (Thread 0x7fd0737fe700 (LWP 2582)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fd07ce297f2 in futex (val3=0, uaddr2=0x0, timeout=0x0, val=-1, op=0, uaddr=0x7fd064000c50) at ../include/urcu/futex.h:65
#2  futex_noasync (timeout=0x0, uaddr2=0x0, val3=0, val=-1, op=0, uaddr=0x7fd064000c50) at ../include/urcu/futex.h:74
#3  call_rcu_wait (crdp=0x7fd064000c10) at urcu-call-rcu-impl.h:247
#4  call_rcu_thread (arg=0x7fd064000c10) at urcu-call-rcu-impl.h:382
#5  0x00007fd07c3b26db in start_thread (arg=0x7fd0737fe700) at pthread_create.c:463
#6  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fd073fff700 (LWP 2568)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fd07c3b5023 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x7fd060005a28) at ../nptl/pthread_mutex_lock.c:78
#2  0x00005561fc51416f in consumer_data_pending (id=<optimized out>, id@entry=36) at consumer.c:3723
#3  0x00005561fc52f0e8 in lttng_ustconsumer_recv_cmd (ctx=<optimized out>, sock=30, consumer_sockpoll=<optimized out>) at ust-consumer.c:1406
#4  0x00005561fc513aa7 in consumer_thread_sessiond_poll (data=0x5561fce8e3e0) at consumer.c:3296
#5  0x00007fd07c3b26db in start_thread (arg=0x7fd073fff700) at pthread_create.c:463
#6  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fd078d67700 (LWP 2567)):
#0  0x00007fd07c3bd567 in __libc_recvmsg (fd=fd@entry=31, msg=msg@entry=0x7fd078d63560, flags=flags@entry=16384) at ../sysdeps/unix/sysv/linux/recvmsg.c:28
#1  0x00005561fc53b4f8 in lttng_recvmsg_nosigpipe (msg=0x7fd078d63560, sockfd=31) at ../../src/common/compat/socket.h:36
#2  lttcomm_recv_unix_sock (sock=31, buf=buf@entry=0x7fd078d63700, len=len@entry=12688) at unix.c:202
#3  0x00005561fc52e5c8 in lttng_ustconsumer_request_metadata (ctx=ctx@entry=0x5561fce8e3e0, channel=0x7fd060010cb0, timer=timer@entry=0, wait=wait@entry=0) at ust-consumer.c:3171
#4  0x00005561fc53243b in lttng_ustconsumer_sync_metadata (ctx=ctx@entry=0x5561fce8e3e0, metadata=metadata@entry=0x7fd0600152d0) at ust-consumer.c:2550
#5  0x00005561fc51a852 in do_sync_metadata (ctx=<optimized out>, metadata=<optimized out>) at consumer-stream.c:466
#6  consumer_stream_sync_metadata (ctx=ctx@entry=0x5561fce8e3e0, session_id=<optimized out>) at consumer-stream.c:543
#7  0x00005561fc52d16e in lttng_ustconsumer_read_subbuffer (stream=stream@entry=0x7fd0600058f0, ctx=ctx@entry=0x5561fce8e3e0, rotated=rotated@entry=0x7fd078d66b27) at ust-consumer.c:2867
#8  0x00005561fc513dee in lttng_consumer_read_subbuffer (stream=0x7fd0600058f0, ctx=0x5561fce8e3e0) at consumer.c:3386
#9  0x00005561fc510e88 in consumer_thread_data_poll (data=0x5561fce8e3e0) at consumer.c:2750
#10 0x00007fd07c3b26db in start_thread (arg=0x7fd078d67700) at pthread_create.c:463
#11 0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fd079568700 (LWP 2566)):
#0  0x00007fd07c0dbbb7 in epoll_wait (epfd=28, events=events@entry=0x7fd064001630, maxevents=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00005561fc52a444 in compat_epoll_wait (events=events@entry=0x7fd079567b90, timeout=timeout@entry=-1) at compat-epoll.c:275
#2  0x00005561fc50f4da in consumer_thread_metadata_poll (data=0x5561fce8e3e0) at consumer.c:2374
#3  0x00007fd07c3b26db in start_thread (arg=0x7fd079568700) at pthread_create.c:463
#4  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fd079d69700 (LWP 2565)):
#0  0x00007fd07c0dbbb7 in epoll_wait (epfd=29, events=events@entry=0x7fd06c001a70, maxevents=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00005561fc52a444 in compat_epoll_wait (events=events@entry=0x7fd079d68b70, timeout=timeout@entry=-1) at compat-epoll.c:275
#2  0x00005561fc511d81 in consumer_thread_channel_poll (data=0x5561fce8e3e0) at consumer.c:2968
#3  0x00007fd07c3b26db in start_thread (arg=0x7fd079d69700) at pthread_create.c:463
#4  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fd07a56a700 (LWP 2564)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fd07c3b5023 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x7fd060005a28) at ../nptl/pthread_mutex_lock.c:78
#2  0x00005561fc518ee4 in sample_channel_positions (get_produced=0x5561fc52b900 <lttng_ustconsumer_get_produced_snapshot>, get_consumed=0x5561fc52b980 <lttng_ustconsumer_get_consumed_snapshot>, sample=0x5561fc52b8a0 <lttng_ustconsumer_sample_snapshot_positions>, _total_consumed=0x7fd07a569aa8, _lowest_use=0x7fd07a569a98, _highest_use=0x7fd07a569aa0, 
    channel=0x7fd060000c90) at consumer-timer.c:659
#3  monitor_timer (channel=0x7fd060000c90) at consumer-timer.c:747
#4  consumer_timer_thread (data=0x5561fce8e3e0) at consumer-timer.c:852
#5  0x00007fd07c3b26db in start_thread (arg=0x7fd07a56a700) at pthread_create.c:463
#6  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd07b5ad700 (LWP 2563)):
#0  0x00007fd07c0dbbb7 in epoll_wait (epfd=27, events=events@entry=0x7fd0740033e0, maxevents=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00005561fc52a444 in compat_epoll_wait (events=events@entry=0x7fd07b5acb90, timeout=timeout@entry=-1) at compat-epoll.c:275
#2  0x00005561fc509199 in thread_manage_health (data=<optimized out>) at health-consumerd.c:244
#3  0x00007fd07c3b26db in start_thread (arg=0x7fd07b5ad700) at pthread_create.c:463
#4  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd07bdae700 (LWP 2562)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fd07c7d469d in futex (val3=0, uaddr2=0x0, timeout=0x0, val=-1, op=0, uaddr=0x5561fce8c250) at ../include/urcu/futex.h:65
#2  futex_async (timeout=0x0, uaddr2=0x0, val3=0, val=-1, op=0, uaddr=0x5561fce8c250) at ../include/urcu/futex.h:97
#3  futex_wait (futex=0x5561fce8c250) at workqueue.c:141
#4  0x00007fd07c7d4bb5 in futex_wait (futex=0x5561fce8c250) at ../include/urcu/static/wfcqueue.h:255
#5  workqueue_thread (arg=0x5561fce8c210) at workqueue.c:242
#6  0x00007fd07c3b26db in start_thread (arg=0x7fd07bdae700) at pthread_create.c:463
#7  0x00007fd07c0db88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd07d422f80 (LWP 2559)):
#0  0x00007fd07c3b3d2d in __GI___pthread_timedjoin_ex (threadid=140533276079872, thread_return=0x7ffd14399ae0, abstime=0x0, block=<optimized out>) at pthread_join_common.c:89
#1  0x00005561fc50811c in main (argc=<optimized out>, argv=<optimized out>) at lttng-consumerd.c:573