uvm_fault(0xffffffff83899a28, 0xffff800028402004, 0, 1) -> d
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff81689211 cs 8 rflags 10202 cr2 ffff800028402004 cpl 0 rsp ffff80003c5e1010
gsbase 0xffffffff837a8ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff81689211
Starting stack trace...