linux-kernel - Re: SLAB corruption

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Date:	Sat, 7 Jul 2007 21:43:59 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Lukas Hejtmanek <xhejtman@....muni.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: SLAB corruption

On Sun, 8 Jul 2007 02:58:07 +0200 Lukas Hejtmanek wrote:

> Hello,
> 
> I'm trying to get to work InfiniBand card (Mellanox) in Xen and DomU. 
> 
> If I use SLAB_DEBUG I got the following message:
> Slab corruption: start=ffff880098f513b8, len=256
> Redzone: 0x1600000016/0x1700000017.
> Last user: <0000001800000018>(0x1800000018)
> 000: 17 00 00 00 17 00 00 00 18 00 00 00 18 00 00 00
> 010: 19 00 00 00 19 00 00 00 1a 00 00 00 1a 00 00 00
> 020: 1b 00 00 00 1b 00 00 00 1c 00 00 00 1c 00 00 00
> 030: 1d 00 00 00 1d 00 00 00 1e 00 00 00 1e 00 00 00
> 040: 1f 00 00 00 1f 00 00 00 00 00 00 00 00 00 00 00
> 050: 01 00 00 00 01 00 00 00 02 00 00 00 02 00 00 00
> Prev obj: start=0000000398f5120b, len=256
> Unable to handle kernel paging request at 0000000398f5130b RIP:
>  <ffffffff80277313> print_objinfo+0x22/0xde
> 
> 
> Could anyone give me some hints how to track down the SLAB corruption?

have you already looked at Documentation/vm/slub.txt ?

---
~Randy
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