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From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <clameter@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, mel@skynet.ie
Subject: Re: git-slub crashes on the t16p
Date: Thu, 10 Apr 2008 21:00:19 +0300	[thread overview]
Message-ID: <47FE55B3.9040603@cs.helsinki.fi> (raw)
In-Reply-To: <Pine.LNX.4.64.0804101053370.12130@schroedinger.engr.sgi.com>

Hi Christoph,

Christoph Lameter wrote:
> One thing that does not make sense is that there was 0x64 in there. All 
> unused node pointers should be NULL (they are zapped in 
> kmem_cache_open()). So there may still be something else at play.

One thing that looks fishy to me is this the compilation of:

   return s->node[node];

to this for Andrew:

   1b:   48 8b 8c f7 20 01 00    mov    0x120(%rdi,%rsi,8),%rcx

For me, the offset of ->node is 0x140 and _not_ 0x120 even with Andrew's 
config.

			Pekka

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  reply	other threads:[~2008-04-10 18:00 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-10  8:59 git-slub crashes on the t16p Andrew Morton
2008-04-10  9:34 ` Pekka Enberg
2008-04-10 10:27 ` Pekka J Enberg
2008-04-10 15:52   ` Pekka Enberg
2008-04-10 16:35     ` Pekka Enberg
2008-04-10 17:24       ` Andrew Morton
2008-04-10 17:30         ` Christoph Lameter
2008-04-10 17:41           ` Pekka Enberg
2008-04-10 17:45             ` Pekka Enberg
2008-04-10 17:51               ` Christoph Lameter
2008-04-10 17:54               ` Christoph Lameter
2008-04-10 18:00                 ` Pekka Enberg [this message]
2008-04-10 18:03           ` Andrew Morton
2008-04-10 17:10     ` Christoph Lameter

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