Delivery mode should be APIC_DM_FIXED when using physical mode. Signed-off-by: Ashok Raj ---------------------------------------------------- arch/x86_64/kernel/genapic_flat.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) Index: linux-2.6.13-rc4-mm1/arch/x86_64/kernel/genapic_flat.c =================================================================== --- linux-2.6.13-rc4-mm1.orig/arch/x86_64/kernel/genapic_flat.c +++ linux-2.6.13-rc4-mm1/arch/x86_64/kernel/genapic_flat.c @@ -175,9 +175,9 @@ static unsigned int physflat_cpu_mask_to struct genapic apic_physflat = { .name = "physical flat", - .int_delivery_mode = dest_LowestPrio, + .int_delivery_mode = dest_Fixed, .int_dest_mode = (APIC_DEST_PHYSICAL != 0), - .int_delivery_dest = APIC_DEST_PHYSICAL | APIC_DM_LOWEST, + .int_delivery_dest = APIC_DEST_PHYSICAL | APIC_DM_FIXED, .target_cpus = physflat_target_cpus, .apic_id_registered = flat_apic_id_registered, .init_apic_ldr = flat_init_apic_ldr,/*not needed, but shouldn't hurt*/ --