panic: stop_cpus() failed
cpuid = 4
Trace beginning at frame 0xfffff80117c6d8f8
kdb_trap() at kdb_trap+0x38f 0xffffffff80bccb4f
kdb_trap() at kdb_trap+0x38f 0xffffffff80bccb4f
trap_fatal() at trap_fatal+0x2cd 0xffffffff80bd504d
trap() at trap+0x85 0xffffffff80bd5ad5
Debugger("panic")


Fatal trap 3: breakpoint instruction fault while in kernel mode
cpuid = 4; lapic id = 4
instruction pointer	= 0x8:0xffffffff80bccc7c
stack pointer	        = 0x10:0xfffff80117c6d868
frame pointer	        = 0x10:0xfffff80117c6d868
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 0, def32 0, gran 1