#3 0xpanic: mq notifiers left
cpuid = 1
time = 16
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056d94810
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056d94970
vpanic() at vpanic+0x257/frame 0xfffffe0056d94b30
panic() at panic+0xb5/frame 0xfffffe0056d94c00
mq_proc_exit() at mq_proc_exit+0x1cc/frame 0xfffffe0056d94c50
exit1() at exit1+0x62b/frame 0xfffffe0056d94cf0
sys__exit() at sys__exit+0x28/frame 0xfffffe0056d94d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056d94f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056d94f30
--- syscall (1, FreeBSD ELF64, _exit), rip = 0x3a565a, rsp = 0x820a99938, rbp = 0x820a99940 ---
KDB: enter: panic
[ thread pid 1198 tid 100681 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x259f897(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db>