From owner-freebsd-stable  Sun Oct 13 14:23: 2 2002
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Date: Sun, 13 Oct 2002 14:22:57 -0700 (PDT)
From: Matthew Dillon <dillon@apollo.backplane.com>
Message-Id: <200210132122.g9DLMvdM056777@apollo.backplane.com>
To: Bryan Berch <ridefree@charterpa.net>
Cc: David Malone <dwmalone@maths.tcd.ie>, freebsd-stable@FreeBSD.ORG,
	John Baldwin <jhb@FreeBSD.ORG>
Subject: Re: Kernel Panics in 4.7-STABLE
References: <200210122026.aa07063@salmon.maths.tcd.ie> <3DA8821D.70803@charterpa.net>
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X-Loop: FreeBSD.ORG

    The nexus_print_all_resources() panic is due to a bug in EISA bus
    handling that shows up due to a recent commit John made.
    He has a tentitive patch for it but it needs to be tested / verified.

    I've included it below.  Pelase try this patch and tell us if it
    fixes it.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>

:
:nexus_print_all_resources(c0e62280,c0e4a680,c0e62280,c0e62280,0) at 
:nexus_print_all_resources+0x14
:...


Index: nexus.c
===================================================================
RCS file: /usr/cvs/src/sys/i386/i386/nexus.c,v
retrieving revision 1.26.2.6
diff -u -r1.26.2.6 nexus.c
--- nexus.c	3 Mar 2002 05:42:49 -0000	1.26.2.6
+++ nexus.c	11 Oct 2002 18:07:45 -0000
@@ -219,21 +219,21 @@
 	 * connection points now so they show up "on motherboard".
 	 */
 	if (!devclass_get_device(devclass_find("eisa"), 0)) {
-		child = device_add_child(dev, "eisa", 0);
+		child = BUS_ADD_CHILD(dev, 0, "eisa", 0);
 		if (child == NULL)
 			panic("nexus_attach eisa");
 		device_probe_and_attach(child);
 	}
 #if NMCA > 0
 	if (!devclass_get_device(devclass_find("mca"), 0)) {
-        	child = device_add_child(dev, "mca", 0);
-        	if (child == 0)
+        	child = BUS_ADD_CHILD(dev, 0, "mca", 0);
+        	if (child == NULL)
                 	panic("nexus_probe mca");
 		device_probe_and_attach(child);
 	}
 #endif
 	if (!devclass_get_device(devclass_find("isa"), 0)) {
-		child = device_add_child(dev, "isa", 0);
+		child = BUS_ADD_CHILD(dev, 0, "isa", 0);
 		if (child == NULL)
 			panic("nexus_attach isa");
 		device_probe_and_attach(child);

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