Index: arch/i386/kernel/pci-i386.c
===================================================================
RCS file: /home/jejb/CVSROOT/linux/2.4/arch/i386/kernel/pci-i386.c,v
retrieving revision 1.1.1.5
diff -u -r1.1.1.5 pci-i386.c
--- arch/i386/kernel/pci-i386.c	2001/07/06 14:42:02	1.1.1.5
+++ arch/i386/kernel/pci-i386.c	2001/10/31 01:15:44
@@ -112,6 +112,12 @@
 		/* Somebody might have asked allocation of a non-standard resource */
 		return;
 	}
+
+	if((dev->class >> 8) == 0xFF00) {
+		printk("PCI: device %s/%d belongs to IO-APIC, ignoring\n",
+		       dev->slot_name, resource);
+		return;
+	}
 	
 	pci_write_config_dword(dev, reg, new);
 	pci_read_config_dword(dev, reg, &check);