diff -Narup memtest86+-5.01-orig/controller.c memtest86+-5.01/controller.c --- memtest86+-5.01-orig/controller.c 2013-08-09 22:01:58.000000000 -0400 +++ memtest86+-5.01/controller.c 2014-06-22 11:01:17.347923472 -0400 @@ -292,7 +292,7 @@ static void setup_nhm(void) /* First, locate the PCI bus where the MCH is located */ - for(i = 0; i < sizeof(possible_nhm_bus); i++) { + for(i = 0; i < sizeof(possible_nhm_bus) / sizeof(possible_nhm_bus[0]); i++) { pci_conf_read( possible_nhm_bus[i], 3, 4, 0x00, 2, &vid); pci_conf_read( possible_nhm_bus[i], 3, 4, 0x02, 2, &did); vid &= 0xFFFF; @@ -327,7 +327,7 @@ static void setup_nhm32(void) ctrl.mode = ECC_NONE; /* First, locate the PCI bus where the MCH is located */ - for(i = 0; i < sizeof(possible_nhm_bus); i++) { + for(i = 0; i < sizeof(possible_nhm_bus) / sizeof(possible_nhm_bus[0]); i++) { pci_conf_read( possible_nhm_bus[i], 3, 4, 0x00, 2, &vid); pci_conf_read( possible_nhm_bus[i], 3, 4, 0x02, 2, &did); vid &= 0xFFFF; diff -Narup memtest86+-5.01-orig/Makefile memtest86+-5.01/Makefile --- memtest86+-5.01-orig/Makefile 2013-08-09 22:01:58.000000000 -0400 +++ memtest86+-5.01/Makefile 2014-06-22 10:59:27.463573842 -0400 @@ -12,7 +12,7 @@ FDISK=/dev/fd0 AS=as -32 CC=gcc -CFLAGS= -Wall -march=i486 -m32 -O1 -fomit-frame-pointer -fno-builtin \ +CFLAGS= -Wall -march=i486 -m32 -O0 -fomit-frame-pointer -fno-builtin \ -ffreestanding -fPIC $(SMP_FL) -fno-stack-protector OBJS= head.o reloc.o main.o test.o init.o lib.o patn.o screen_buffer.o \