Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts.
2019/03/24 17:45:50 parsed 1 programs
2019/03/24 17:45:50 executed programs: 0
2019/03/24 17:45:55 executed programs: 77
2019/03/24 17:46:00 executed programs: 153
2019/03/24 17:46:05 executed programs: 227
2019/03/24 17:46:10 executed programs: 301
2019/03/24 17:46:15 executed programs: 374
2019/03/24 17:46:20 executed programs: 449
2019/03/24 17:46:25 executed programs: 521
2019/03/24 17:46:30 executed programs: 592
panic: vm_page_unhold: hold count < 0!!!
cpuid = 1
time = 1553449594
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002129a6d0
vpanic() at vpanic+0x1e0/frame 0xfffffe002129a730
panic() at panic+0x43/frame 0xfffffe002129a790
vm_page_unhold_pages() at vm_page_unhold_pages+0x1e3/frame 0xfffffe002129a7e0
pipe_write() at pipe_write+0x16d8/frame 0xfffffe002129a8b0
dofilewrite() at dofilewrite+0xfd/frame 0xfffffe002129a910
kern_writev() at kern_writev+0x66/frame 0xfffffe002129a950
sys_writev() at sys_writev+0x50/frame 0xfffffe002129a980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe002129aab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002129aab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e7a, rsp = 0x7fffdffdcf38, rbp = 0x3 ---
KDB: enter: panic
[ thread pid 1447 tid 100934 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why