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Message-ID: <1defaf580706111011w641b26fbu68d6d34028f6e953@mail.gmail.com>
Date: Mon, 11 Jun 2007 19:11:16 +0200
From: "HÃ¥vard Skinnemoen" <hskinnemoen@...il.com>
To: "Christoph Lameter" <clameter@....com>
Cc: "Haavard Skinnemoen" <hskinnemoen@...el.com>,
"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: kernel BUG at mm/slub.c:3689!
On 6/11/07, Christoph Lameter <clameter@....com> wrote:
> Ahhh... I see its the same phenomenon as before but triggered by
> a different cause.
>
> If you set the align to 32 then the first kmalloc slabs of size
>
> 8
> 16
> 32
>
> are all of the same size which leads to duplicate files in sysfs.
Yes, that seems to be the problem.
> Does this patch fix it?
Unfortunately, no. But I get a different error message; see below...
Also unfortunately, I won't be able to do any more testing until I get
back to work tomorrow -- I'm currently at home and I can't reset my
board remotely (Doh! Why didn't I set panic_timeout...)
Haavard
kobject_add failed for :0000016 with -EEXIST, don't try to register
things with the same name in the same directory.
Call trace:
[<9000f14e>] dump_stack+0x1a/0x24
[<90093128>] kobject_shadow_add+0xc4/0xe8
[<90093154>] kobject_add+0x8/0xc
[<9003dec4>] sysfs_slab_add+0xb0/0xf0
[<900046c6>] slab_sysfs_init+0x26/0x78
[<900003f0>] kernel_init+0x74/0x1c0
[<90015cd4>] do_exit+0x0/0x52c
------------[ cut here ]------------
kernel BUG at /home/hskinnemoen/git/linux/mm/slub.c:3686!
Oops: Kernel BUG, sig: 9 [#1]
FRAME_POINTER chip: 0x01f:0x1e82 rev 0
Modules linked in:
PC is at slab_sysfs_init+0x28/0x78
LR is at 0x9014e654
pc : [<900046c8>] lr : [<9014e654>] Not tainted
sp : 901cbf98 r12: ffffffef r11: 00000001
r10: 00000001 r9 : 00000000 r8 : 9014e654
r7 : 901cbf98 r6 : 9014a2b4 r5 : 00000000 r4 : 00000000
r3 : 00000000 r2 : 90015cd4 r1 : 9000b4d0 r0 : 00000000
Flags: qvNzc
Mode bits: hrje....g
CPU Mode: Supervisor
Process: swapper [1] (task: 901c9000 thread: 901ca000)
Stack: (0x901cbf98 to 0x901cc000)
bf80: 900003f0 901cbfdc
bfa0: 90009b20 00000000 00000000 00000000 00000000 00000000 00400000 9000ebd0
bfc0: 9000ebd0 901cc000 00000000 00000000 00000000 00000000 00000000 90015cd4
bfe0: 00000000 00000000 00000000 00000000 00000000 90015cd4 9000037c 00000000
Call trace:
[<900003f0>] kernel_init+0x74/0x1c0
[<90015cd4>] do_exit+0x0/0x52c
Kernel panic - not syncing: Attempted to kill init!
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