panic: cap_rights_is_vset:243 cpuid = 0 time = 1560188884 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001f6db6c0 vpanic() at vpanic+0x1e0/frame 0xfffffe001f6db720 panic() at panic+0x43/frame 0xfffffe001f6db780 __cap_rights_is_set() at __cap_rights_is_set+0x22d/frame 0xfffffe001f6db810 cap_rights_to_vmprot() at cap_rights_to_vmprot+0x2b/frame 0xfffffe001f6db840 fget_mmap() at fget_mmap+0xf3/frame 0xfffffe001f6db8b0 kern_mmap() at kern_mmap+0x86c/frame 0xfffffe001f6db950 sys_mmap() at sys_mmap+0x38/frame 0xfffffe001f6db980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe001f6dbab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe001f6dbab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x4131ba, rsp = 0x7fffdfffdf38, rbp = 0x6 --- KDB: enter: panic [ thread pid 958 tid 100350 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why