Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts.
2019/03/20 01:26:26 parsed 1 programs
2019/03/20 01:26:26 executed programs: 0
2019/03/20 01:26:31 executed programs: 66
2019/03/20 01:26:36 executed programs: 134
login: panic: vm_page_unhold: hold count < 0!!!
cpuid = 0
time = 1553045199
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00212986d0
vpanic() at vpanic+0x1e0/frame 0xfffffe0021298730
panic() at panic+0x43/frame 0xfffffe0021298790
vm_page_unhold_pages() at vm_page_unhold_pages+0x1e3/frame 0xfffffe00212987e0
pipe_write() at pipe_write+0x16d8/frame 0xfffffe00212988b0
dofilewrite() at dofilewrite+0xfd/frame 0xfffffe0021298910
kern_writev() at kern_writev+0x66/frame 0xfffffe0021298950
sys_writev() at sys_writev+0x50/frame 0xfffffe0021298980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0021298ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0021298ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e5a, rsp = 0x7fffdffdcf38, rbp = 0x3 ---
KDB: enter: panic
[ thread pid 1016 tid 100475 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why
db>