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Message-ID: <84144f020710040010r4804c69x746bf78db17e9fa1@mail.gmail.com>
Date: Thu, 4 Oct 2007 10:10:10 +0300
From: "Pekka Enberg" <penberg@...helsinki.fi>
To: "Kamalesh Babulal" <kamalesh@...ux.vnet.ibm.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
samba-technical@...ts.samba.org,
"Balbir Singh" <balbir@...ux.vnet.ibm.com>
Subject: Re: [Bug] 2.6.23-rc9 - kernel BUG at mm/slab.c:592!
Hi Kamalesh,
On 10/4/07, Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> wrote:
> Kernel bug hit, while running fsstress over the CIFS mounted partition on
> the ppc64 machine
>
> cpu 0x0: Vector: 700 (Program Check) at [c000000106ec75f0]
>
> pc: c0000000000d69cc: .kmem_cache_free+0xac/0x154
>
> lr: c0000000000b05f0: .mempool_free_slab+0x1c/0x30
>
> sp: c000000106ec7870
>
> msr: 8000000000029032
>
> current = 0xc000000007cf64c0
>
> paca = 0xc0000000007ecf00
>
> pid = 8210, comm = fsstress
>
> kernel BUG at mm/slab.c:592!
Looks like someone passed a non-slab pointer to
mempool_free()/kmem_cache_free() so it's likely that the problem is in
cifs, not mm.
Pekka
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