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From: Manfred Spraul <manfred@colorfullife.com>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: slab errors
Date: Thu, 28 Oct 2004 19:31:53 +0200	[thread overview]
Message-ID: <41812D09.4060601@colorfullife.com> (raw)
In-Reply-To: <20041028091204.GB1618@wotan.suse.de>

Andi Kleen wrote:

>Hi,
>
>I get this when booting 2.6.10rc1-bk6 on x86-64. slab doesn't seem
>to like its own initialization.
>
>  
>
I'm not aware of any slab changes. Were there any changes to the memset 
function? I think slab debug is the only codepath that uses memset to 
nonzero values.

>       
>0000010001102450: redzone 1: 0x5a2cf071, redzone 2: 0x5a2c5a5a.
>  
>
Extremely odd: a byte in the middle no overwritten?

>       
>0000010001102868: redzone 1: 0x5a2cf071, redzone 2: 0x5a2cf05a.
>  
>
Two bytes not overwritten.

>0000010001103098: redzone 1: 0x5a2cf071, redzone 2: 0x5a5a5a5a5a5a5a.
>  
>
Everything overwritten.

--
    Manfred

  parent reply	other threads:[~2004-10-28 17:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-28  9:12 slab errors Andi Kleen
2004-10-28 10:46 ` Alexander Nyberg
2004-10-28 17:31 ` Manfred Spraul [this message]
2004-10-29  3:57   ` Andi Kleen

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