On modern systems RAM errors don't cause NMIs, but it's usually
caused by PCI SERR. Mention PCI instead of RAM in the printk.
Reported by r_hayashi@ctc-g.co.jp (Ryutaro Hayashi)
Cc:  r_hayashi@ctc-g.co.jp
Signed-off-by: Andi Kleen <ak@suse.de>
 {
        printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on "
                "CPU %d.\n", reason, smp_processor_id());
-       printk(KERN_EMERG "You probably have a hardware problem with your RAM "
-                       "chips\n");
+       printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n");
        if (panic_on_unrecovered_nmi)
                 panic("NMI: Not continuing");
 
 
 {
        printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n",
                reason);
-       printk(KERN_EMERG "You probably have a hardware problem with your "
-               "RAM chips\n");
+       printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n");
 
        if (panic_on_unrecovered_nmi)
                panic("NMI: Not continuing");