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Message-ID: <3D2CDCD0.7040704@mvista.com>
Date: Wed, 10 Jul 2002 18:18:08 -0700
From: Jun Sun <jsun@mvista.com>
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To: "H. J. Lu" <hjl@lucon.org>, Ralf Baechle <ralf@oss.sgi.com>
CC: linux-mips@oss.sgi.com
Subject: Re: Malta crashes on the latest 2.4 kernel
References: <3D2CBF73.50001@mvista.com> <20020710164900.A28911@lucon.org>
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H. J. Lu wrote:

> On Wed, Jul 10, 2002 at 04:12:51PM -0700, Jun Sun wrote:
> 
>>See the crash scene.  Anybody knows the cause?  It is strange to see the 
>>reserved exception.
>>
>>
> 
> The 2.4 kernel checked out around Jul  4 09:28 PDT works fine on Malta.
> 


Ralf,

Apparently this is a well-known problem.  So *please* apply this patch or give 
  some constructive advice if the patch cannot be applied as it is.

Jun


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diff -Nru arch/mips/mm/tlb-r4k.c.orig arch/mips/mm/tlb-r4k.c
--- arch/mips/mm/tlb-r4k.c.orig	Thu Jun 27 14:12:40 2002
+++ arch/mips/mm/tlb-r4k.c	Wed Jul 10 18:06:34 2002
@@ -125,6 +125,7 @@
 				BARRIER;
 				/* Make sure all entries differ. */
 				set_entryhi(KSEG0+idx*0x2000);
+				BARRIER;
 				tlb_write_indexed();
 				BARRIER;
 			}

--------------090008060701090105000000--