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Date: Wed, 12 Jul 2000 22:01:32 -0400 (EDT)
From: Isaac Waldron <iwaldron@lr.net>
Message-Id: <200007130201.WAA00739@waldron.house>
To: stable@FreeBSD.org
Subject: Minor patch for /usr/src/sys/isa/pnpparse.c
Sender: owner-freebsd-stable@FreeBSD.ORG
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X-Loop: FreeBSD.ORG

My Soundblaster AWE64 causes two warnings to be emitted at boot time.  The 
first has to do with the device wanting too many different resources, and the 
message printed is "too many dependant configs."  I fixed this simply by 
increasing the value of MAXDEP in pnpparse.c from 8 to 16.  The other warning 
I get is due to the PnP code receiving a vendor tag from the device.  This was 
easy to fix as well, I simply added a case statement to the existing switch in 
pnpparse.c to handle the predefined PNP_TAG_VENDOR.  I defined it as a no-op, 
this way, the original behavior is held consistent.  I'm not sure if these are 
truly correct fixes, but they have not caused any trouble on my machine.  
Output from `uname -a` and the patch are included below.

Isaac Waldron
waldroni@lr.net

uname -a output:

FreeBSD yota.waldron.house 4.0-STABLE FreeBSD 4.0-STABLE #1: Wed Jul 12 10:48:28 EDT 2000     iwaldron@yota.waldron.house:/usr/src/sys/compile/YOTA  i386

and here's the patch:

--- pnpparse.c	Wed Jul 12 11:34:56 2000
+++ pnpparse.c.new	Wed Jul 12 11:41:05 2000
@@ -36,7 +36,7 @@
 #include <isa/pnpreg.h>
 #include <isa/pnpvar.h>
 
-#define	MAXDEP	8
+#define	MAXDEP	16
 
 #define I16(p)	((p)[0] + ((p)[1] << 8))
 #define I32(p)	(I16(p) + (I16(p+2) << 16))
@@ -214,6 +214,13 @@
 					= resinfo[2];
 				config->ic_port[config->ic_nport].ir_align = 1;
 				config->ic_nport++;
+				break;
+
+			case PNP_TAG_VENDOR:
+				if (bootverbose) {
+					printf("%s: vendor tag received.\n",
+							pnp_eisaformat(id));
+				}
 				break;
 
 			case PNP_TAG_END:


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