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Date: Thu, 24 Jun 2004 13:59:34 -0700
From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Andrew Morton <akpm@osdl.org>
cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.7-mm2 oopses and badness
Message-ID: <34050000.1088110774@flay>
In-Reply-To: <20040624120229.7995f5f4.akpm@osdl.org>
References: <1968860000.1088089370@[10.10.2.4]> <20040624120229.7995f5f4.akpm@osdl.org>
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>> During bootup, shortly after CPU init (mm1 was fine):
>> 
>>  Only candidate I can see is 
>>  +reduce-tlb-flushing-during-process-migration-2.patch
>>  Will try backing that out unless you want something else ...
> 
> yes, that is the culprit.
> 
> 
>  Only candidate I can see is 
>  +reduce-tlb-flushing-during-process-migration-2.patch
>  Will try backing that out unless you want something else ...
> 
> 
> diff -puN include/asm-generic/tlb.h~reduce-tlb-flushing-during-process-migration-2-fix include/asm-generic/tlb.h
> --- 25/include/asm-generic/tlb.h~reduce-tlb-flushing-during-process-migration-2-fix	2004-06-24 12:01:14.127142208 -0700
> +++ 25-akpm/include/asm-generic/tlb.h	2004-06-24 12:01:27.815061328 -0700
> @@ -147,6 +147,6 @@ static inline void tlb_remove_page(struc
>  		__pmd_free_tlb(tlb, pmdp);			\
>  	} while (0)
>  
> -#define tlb_migrate_finish(mm) flush_tlb_mm(mm)
> +#define tlb_migrate_finish(mm) do { } while (0)
>  
>  #endif /* _ASM_GENERIC__TLB_H */

Thanks - tested ... fixes it ;-)

M.