uvm_fault(fffffd806bfbf5c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c44d7d0,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c44d7d0) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:589 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c9d9cd83bc0, count: -22 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7e7582eaed10, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7e7582eaed10, count: -1