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Date: Tue, 15 Apr 2008 17:04:38 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: Ingo Molnar <mingo@elte.hu>
cc: Linus Torvalds <torvalds@linux-foundation.org>,
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       "Rafael J. Wysocki" <rjw@sisk.pl>, Yinghai.Lu@sun.com, apw@shadowen.org,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9
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Added some printks to the initialization of slub and I see 0x1 double 
words written over global variables that should be zero. The cpu mask to 
track processors that are initialized is screwed up 
(kmem_cach_cpu_free_init_once).

[    0.000999] 0xc0cb320c:  00 00 00 00 01 00 00 00 00 00 00 00 01 00 00 00 ................
[    0.000999] 0xc0cb321c:  00 00 00 00 01 00 00 00 00 00 00 00 01 00 00 00 ................
[    0.000999] 0xc0cb322c:  00 00 00 00 01 00 00 00                 ........

c0cb3010 B mem_section
c0cb3210 b lock.25923
c0cb3214 b shmem_inode_cachep
c0cb3218 b shm_mnt
c0cb321c b slab_state
c0cb3220 b kmem_cach_cpu_free_init_once
c0cb3224 b slub_debug
c0cb3228 b slub_debug_slabs

mem_section is 512 bytes long. Array overrun?