Patch from William Lee Irwin III Don't touch IO-APIC physid's on NUMA-Q. The BIOS pre-programs them. i386/kernel/io_apic.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletion(-) diff -puN arch/i386/kernel/io_apic.c~numaq-ioapic-fix2 arch/i386/kernel/io_apic.c --- 25/arch/i386/kernel/io_apic.c~numaq-ioapic-fix2 2003-02-06 09:53:09.000000000 -0800 +++ 25-akpm/arch/i386/kernel/io_apic.c 2003-02-06 09:53:09.000000000 -0800 @@ -1440,7 +1440,8 @@ void disable_IO_APIC(void) * by Matt Domsch Tue Dec 21 12:25:05 CST 1999 */ -static void __init setup_ioapic_ids_from_mpc (void) +#ifndef CONFIG_X86_NUMAQ +static void __init setup_ioapic_ids_from_mpc(void) { struct IO_APIC_reg_00 reg_00; unsigned long phys_id_present_map; @@ -1533,6 +1534,9 @@ static void __init setup_ioapic_ids_from printk(" ok.\n"); } } +#else +static void __init setup_ioapic_ids_from_mpc(void) { } +#endif /* * There is a nasty bug in some older SMP boards, their mptable lies _