login: netsmb_dev: loaded Fatal user address access from kernel mode from panic at ffffffff82609ab8 Fatal trap 12: page fault while in kernel mode cpuid = 0; lapic id = 0 fault virtual address = 0x58 fault code = supervisor write data, page not present instruction pointer = 0x8:0xffffffff82609ab8 stack pointer = 0x10:0xfffff801181e74d8 frame pointer = 0x10:0xfffff801181e74f8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 0, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 848 current thread = pri 6 (CRIT) kernel: type 12 trap, code=2 CPU0 stopping CPUs: 0x0000003e stopped Stopped at smb_iod_request+0x58: lock xaddl %edx,0x58(%rbx) db>