From aba5ae13e4d18d1df1a621f7057568d3769e860d Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 2 Jul 1998 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1998-07-02

---
 ip/ipifc.c       | 3 +++
 pc/archgeneric.c | 4 ++--
 port/devcons.c   | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/ip/ipifc.c b/ip/ipifc.c
index b9385fa5fffc262bbb55fd2f28f749f21d79cfa7..7274502ca2465a159e5138b6428c50398d7fb675 100644
--- a/ip/ipifc.c
+++ b/ip/ipifc.c
@@ -329,6 +329,9 @@ ipifcadd(Ipifc *ifc, char **argv, int argc)
 	int i, type, mtu;
 	Fs *f;
 
+	if(ifc->m == nil)
+		return "ipifc not yet bound to device";
+
 	f = ifc->conv->p->f;
 
 	memset(ip, 0, IPaddrlen);
diff --git a/pc/archgeneric.c b/pc/archgeneric.c
index 0ec0ae3b3e4451ffa3c8a3698ffee1f55fc1b080..d2945c0cd4e557be9eb17a9b43ffea61a44d517e 100644
--- a/pc/archgeneric.c
+++ b/pc/archgeneric.c
@@ -86,8 +86,8 @@ static X86type x86amd[] =
 	{ 5,	1,	23,	"AMD-K5", },	/* guesswork */
 	{ 5,	2,	23,	"AMD-K5", },	/* guesswork */
 	{ 5,	3,	23,	"AMD-K5", },	/* guesswork */
-	{ 5,	6,	23,	"AMD-K6", },	/* guesswork */
-	{ 5,	7,	23,	"AMD-K6", },	/* guesswork */
+	{ 5,	6,	11,	"AMD-K6", },	/* determined by trial and error */
+	{ 5,	7,	11,	"AMD-K6", },	/* determined by trial and error */
 	{ 5,	8,	23,	"AMD-K6 3D", },	/* guesswork */
 	{ 5,	9,	23,	"AMD-K6 3D+", },/* guesswork */
 
diff --git a/port/devcons.c b/port/devcons.c
index 9afbd1ac2ad4cea9c4e812ba7e0f413d28b53e4e..de7c8f920573db5a65627031145060f752049349 100644
--- a/port/devcons.c
+++ b/port/devcons.c
@@ -903,7 +903,7 @@ static struct
 	Rendez	producer;
 	Rendez	consumer;
 	ulong	randomcount;
-	uchar	buf[4096];
+	uchar	buf[1024];
 	uchar	*ep;
 	uchar	*rp;
 	uchar	*wp;