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Date: Sun, 10 Mar 2002 08:48:25 +0900
From: Bruce Harada <bruce@ask.ne.jp>
To: Seiichi Nakashima <nakasima@kumin.ne.jp>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.2.21-pre4 hung up
Message-Id: <20020310084825.031ee4b0.bruce@ask.ne.jp>
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On Sun, 10 Mar 2002 08:12:28 +0900
Seiichi Nakashima <nakasima@kumin.ne.jp> wrote:

> Hi.
> 
> I update to linux-2.2.20 + patch-2.2.21-pre4.
> before I used linux-2.2.20 + patch-2.2.21-pre3, and worked fine.
> linux-2.2.21-pre4 is normal end to patch, compile and install, but bootup
> failuer.

[SNIP]

According to other reports, it would appear that this change:

diff -ruN linux-2.2.21-pre3/arch/i386/kernel/bluesmoke.c linux-2.2.21-pre4/arch/i386/kernel/bluesmoke.c
--- linux-2.2.21-pre3/arch/i386/kernel/bluesmoke.c	Sun Mar  3 23:20:11 2002
+++ linux-2.2.21-pre4/arch/i386/kernel/bluesmoke.c	Sat Mar  9 03:58:57 2002
@@ -165,7 +164,7 @@
 	if(l&(1<<8))
 		wrmsr(0x17b, 0xffffffff, 0xffffffff);
 	banks = l&0xff;
-	for(i=1;i<banks;i++)
+	for(i=0;i<banks;i++)
 	{
 		wrmsr(0x400+4*i, 0xffffffff, 0xffffffff); 
 	}

is the problem. Reversing it (i.e. changing the i=0 to i=1) should allow
you to boot again.


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