DragonFly/x86_64 (dfbsd) (ttyd0) login: netsmb_dev: loaded panic: vm_fault: fault on stack guard, addr: 0xfffff801187bc000 cpuid = 2 Trace beginning at frame 0xfffff801187b3088 vm_fault() at vm_fault+0x12eb 0xffffffff8099ef9b vm_fault() at vm_fault+0x12eb 0xffffffff8099ef9b trap_pfault() at trap_pfault+0x9a 0xffffffff80bd52ca trap() at trap+0x17c 0xffffffff80bd5bcc calltrap() at calltrap+0x9 0xffffffff80b991fa --- trap 000000000000000c, rip = ffffffff82606757, rsp = fffff801187b3490, rbp = fffff801187b3588 --- smb_t2_request() at smb_t2_request+0x2b7 0xffffffff82606757 smb_usr_t2request() at smb_usr_t2request+0xc6 0xffffffff82607976 Debugger("panic") CPU2 stopping CPUs: 0x0000003b stopped Stopped at Debugger+0x7c: movb $0,0xbdaf09(%rip) db>