linux-kernel - Re: kernel BUG at mm/slab.c:610

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Message-ID: <541739.61872.qm@web52903.mail.yahoo.com>
Date:	Wed, 14 Mar 2007 13:55:09 +0000 (GMT)
From:	Chris Rankin <rankincj@...oo.com>
To:	linux-kernel@...r.kernel.org
Cc:	pupilla@...mail.com, penberg@...helsinki.fi
Subject: Re: kernel BUG at mm/slab.c:610

Marco Berizzi wrote:
> Here is:
>
> Mar 14 03:42:25 Mimosa kernel: ------------[ cut here ]------------
> Mar 14 03:42:25 Mimosa kernel: kernel BUG at mm/slab.c:610!
> Mar 14 03:42:25 Mimosa kernel: invalid opcode: 0000 [#1]
> Mar 14 03:42:25 Mimosa kernel: Modules linked in: sch_sfq sch_htb
cls_fw
> nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre
> nf_nat_ftp nf_conntrack_ftp 3c59x mii
> Mar 14 03:42:25 Mimosa kernel: CPU: 0
> Mar 14 03:42:25 Mimosa kernel: EIP: 0060:[<c014ca99>] Not
tainted
> VLI
> Mar 14 03:42:25 Mimosa kernel: EFLAGS: 00010046 (2.6.20 #1)
> Mar 14 03:42:25 Mimosa kernel: EIP is at free_block+0xd9/0xf0
> Mar 14 03:42:25 Mimosa kernel: eax: 00080000 ebx: c1000000 ecx:
> c0e7d4e0 edx: c101cfa0
> Mar 14 03:42:25 Mimosa kernel: esi: c1210000 edi: c1176560 ebp:
> 00000000 esp: c119bef0
> Mar 14 03:42:25 Mimosa kernel: ds: 007b es: 007b ss: 0068
> Mar 14 03:42:25 Mimosa kernel: Process events/0 (pid: 3, ti=c119a000
> task=c118f030 task.ti=c119a000)
> Mar 14 03:42:25 Mimosa kernel: Stack: c1213a10 161c9ed5 c1210010
> c1210010 c1210000 161c9ed5 c1176560 c014d201
> Mar 14 03:42:25 Mimosa kernel: 00000000 c1180420 c1176560
> c1180d60 c014d220 c014d26b 00000000 00000000
> Mar 14 03:42:25 Mimosa kernel: c03b7ae0 c03b7ae0 00000282
> c0123d37 00000000 c118f13c 0000007b 0000508b
> Mar 14 03:42:25 Mimosa kernel: Call Trace:
> Mar 14 03:42:25 Mimosa kernel: [<c014d201>] drain_array+0x91/0xb0
> Mar 14 03:42:25 Mimosa kernel: [<c014d220>] cache_reap+0x0/0xf0
> Mar 14 03:42:25 Mimosa kernel: [<c014d26b>] cache_reap+0x4b/0xf0
> Mar 14 03:42:25 Mimosa kernel: [<c0123d37>] run_workqueue+0x67/0x130
> Mar 14 03:42:25 Mimosa kernel: [<c0123f3a>] worker_thread+0x13a/0x170
> Mar 14 03:42:25 Mimosa kernel: [<c01123e0>]
> default_wake_function+0x0/0x10
> Mar 14 03:42:25 Mimosa kernel: [<c0112427>]
__wake_up_common+0x37/0x70
> Mar 14 03:42:25 Mimosa kernel: [<c01123e0>]
> default_wake_function+0x0/0x10
> Mar 14 03:42:25 Mimosa kernel: [<c0123e00>] worker_thread+0x0/0x170
> Mar 14 03:42:25 Mimosa kernel: [<c01271a6>] kthread+0xb6/0xc0
> Mar 14 03:42:25 Mimosa kernel: [<c01270f0>] kthread+0x0/0xc0
> Mar 14 03:42:25 Mimosa kernel: [<c01036a3>]
> kernel_thread_helper+0x7/0x14
> Mar 14 03:42:25 Mimosa kernel: =======================
> Mar 14 03:42:25 Mimosa kernel: Code: ff 83 c4 0c 5b 5e 5f 5d c3 8b 57
20
> 29 d0 89 da 89 46 18 89 f8 e8 78 f1 ff ff eb da 89 33 8b 46 04 89 5e
04
> 89 18 89 43 04 eb cb <0f> 0b 90 8d 74 26 00 eb fe 8b 52 0c e9 57 ff ff
> ff 8d b6 00 00
> Mar 14 03:42:25 Mimosa kernel: EIP: [<c014ca99>] free_block+0xd9/0xf0
> SS:ESP 0068:c119bef0

> Only to tell you, that on the console linux was printing
> this message:

> atkbd.c: Spurious ACK on isa0060/serio0. Some program might be trying
> access hardware directly.

That sounds familiar... I had similar trouble with 2.6.20.1 (running UP on a 200 MHz Pentium MMX
machine) when I unloaded the nf_conntrack_h323 kernel module. The messages continued until I
rebooted, although I never saw an oops. I am currently avoiding the problem by *not* unloading any
netfilter modules.

Cheers,
Chris



		
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