File linux-2.6-xen-x86_64-silence-up-apic-errors.patch of Package kernel
diff -r 00cc4568f10f arch/x86_64/kernel/apic-xen.c
--- a/arch/x86_64/kernel/apic-xen.c Tue Jul 25 21:07:37 2006 +0200
+++ b/arch/x86_64/kernel/apic-xen.c Tue Jul 25 21:17:54 2006 +0200
@@ -174,7 +174,8 @@ asmlinkage void smp_error_interrupt(void
6: Received illegal vector
7: Illegal register address
*/
- printk (KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n",
+ if (num_online_cpus() > 1)
+ printk (KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n",
smp_processor_id(), v , v1);
irq_exit();
}