[New LWP 5408 of process 3727]
thread 4 entering barrier
thread 4 leaving barrier -> 1234567
thread 3 leaving barrier -> 0
thread 2 leaving barrier -> 0
thread 1 leaving barrier -> 0
thread 0 leaving barrier -> 0
main joined with thread 0
^C[New LWP 5420 of process 3727]
Couldn't get registers: No such process.
(gdb) bt
Couldn't get registers: No such process.
(gdb) thread apply all bt

Thread 6 (LWP 5408 of process 3727):
#0  0x0000f79be59fb2ec in je_tcache_cleanup () from /usr/lib/libc.so.12
#1  0x0000f79be59f82cc in je_tsd_cleanup () from /usr/lib/libc.so.12
#2  0x0000f79be59f7fe8 in ?? () from /usr/lib/libc.so.12
#3  0x0000f79be59f8224 in _malloc_thread_cleanup () from /usr/lib/libc.so.12
#4  0x0000f79be5d9d8fc in pthread_exit () from /usr/lib/libpthread.so.1
#5  0x0000f79be5d9da08 in ?? () from /usr/lib/libpthread.so.1
#6  0x0000f79be59d9f04 in __mknod50 () from /usr/lib/libc.so.12
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (LWP 5429 of process 3727):
#0  0x0000f79be59f7fc0 in ?? () from /usr/lib/libc.so.12
#1  0x0000f79be59f8224 in _malloc_thread_cleanup () from /usr/lib/libc.so.12
#2  0x0000f79be5d9d8fc in pthread_exit () from /usr/lib/libpthread.so.1
#3  0x0000f79be5d9da08 in ?? () from /usr/lib/libpthread.so.1
#4  0x0000f79be59d9f04 in __mknod50 () from /usr/lib/libc.so.12
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (LWP 7225 of process 3727):
#0  0x0000f79be59f82a0 in je_tsd_cleanup () from /usr/lib/libc.so.12
#1  0x0000f79be59f7fe8 in ?? () from /usr/lib/libc.so.12
#2  0x0000f79be59f8224 in _malloc_thread_cleanup () from /usr/lib/libc.so.12
#3  0x0000f79be5d9d8fc in pthread_exit () from /usr/lib/libpthread.so.1
#4  0x0000f79be5d9da08 in ?? () from /usr/lib/libpthread.so.1
#5  0x0000f79be59d9f04 in __mknod50 () from /usr/lib/libc.so.12
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (LWP 6140 of process 3727):
#0  0x0000f79be59f82c4 in je_tsd_cleanup () from /usr/lib/libc.so.12
#1  0x0000f79be59f7fe8 in ?? () from /usr/lib/libc.so.12
#2  0x0000f79be59f8224 in _malloc_thread_cleanup () from /usr/lib/libc.so.12
#3  0x0000f79be5d9d8fc in pthread_exit () from /usr/lib/libpthread.so.1
#4  0x0000f79be5d9da08 in ?? () from /usr/lib/libpthread.so.1
#5  0x0000f79be59d9f04 in __mknod50 () from /usr/lib/libc.so.12
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (LWP 3727 of process 3727):
#0  0x0000f79be598ac04 in _lwp_wait () from /usr/lib/libc.so.12
#1  0x0000f79be5d9dc54 in pthread_join () from /usr/lib/libpthread.so.1
#2  0x0000000200101174 in atfu_barrier_body ()
#3  0x0000f79be5d6a638 in atf_tc_run () from /usr/lib/libatf-c.so.0
#4  0x0000f79be5d66c14 in atf_tp_main () from /usr/lib/libatf-c.so.0
#5  0x0000000200100eb4 in ___start ()
#6  0x0000fffff0f40b10 in _rtld_start () from /usr/libexec/ld.elf_so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)