The patch titled apic debug has been removed from the -mm tree. Its filename is apic-debug.patch This patch was dropped because the irq changes broke ir ------------------------------------------------------ Subject: apic debug From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Can you please apply the patch below and add "apic=verbose" to the commandline ? This should give use some hint. Watch out for "calibrating APIC timer ..." in the boot messages. Signed-off-by: Andrew Morton <akpm@xxxxxxxx> --- arch/i386/kernel/apic.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) diff -puN arch/i386/kernel/apic.c~apic-debug arch/i386/kernel/apic.c --- a/arch/i386/kernel/apic.c~apic-debug +++ a/arch/i386/kernel/apic.c @@ -1147,7 +1147,7 @@ static int __init calibrate_APIC_clock(v lapic_clockevent.min_delta_ns = clockevent_delta2ns(0xF, &lapic_clockevent); - apic_printk(APIC_VERBOSE, "..... tt1-tt2 %ld\n", tt1 - tt2); + apic_printk(APIC_VERBOSE, "..... tt1: %ld tt2: %ld\n", tt1, tt2); apic_printk(APIC_VERBOSE, "..... mult: %ld\n", lapic_clockevent.mult); apic_printk(APIC_VERBOSE, "..... calibration result: %ld\n", result); _ Patches currently in -mm which might be from tglx@xxxxxxxxxxxxx are apic-debug.patch - To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html