panic: pmap_growkernel: no memory to grow kernel cpuid = 0 time = 460 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0030a77260 vpanic() at vpanic+0x1e0/frame 0xfffffe0030a772c0 panic() at panic+0x43/frame 0xfffffe0030a77320 pmap_growkernel() at pmap_growkernel+0x4b6/frame 0xfffffe0030a77360 vm_map_insert() at vm_map_insert+0x3a2/frame 0xfffffe0030a77420 vm_map_find() at vm_map_find+0x9e1/frame 0xfffffe0030a77510 kva_import() at kva_import+0x5f/frame 0xfffffe0030a77560 vmem_xalloc() at vmem_xalloc+0x711/frame 0xfffffe0030a77650 vmem_alloc() at vmem_alloc+0xe3/frame 0xfffffe0030a776b0 kva_alloc() at kva_alloc+0x37/frame 0xfffffe0030a776e0 vm_thread_new() at vm_thread_new+0x132/frame 0xfffffe0030a77830 thread_alloc() at thread_alloc+0x4f/frame 0xfffffe0030a77860 fork1() at fork1+0x402/frame 0xfffffe0030a77920 sys_pdfork() at sys_pdfork+0x62/frame 0xfffffe0030a77980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0030a77ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0030a77ab0 --- syscall (518, FreeBSD ELF64, sys_pdfork), rip = 0x20000205, rsp = 0x7fffdfffdeb8, rbp = 0xa --- KDB: enter: panic [ thread pid 9946 tid 104597 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why