From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maurice Hilarius <maurice@harddata.com>
Subject: Strange Kernel Problem
Date: Wed, 28 May 2003 21:05:47 -0600
Sender: linux-raid-owner@vger.kernel.org
Message-ID: <5.1.1.6.2.20030528210447.04056b20@mail.harddata.com>
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To: linux-raid@vger.kernel.org
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Does anyone recognize what is happening here?

Thoughts and suggestions appreciated..

>Unable to handle kernel NULL pointer dereference at virtual address 00000000
>printing eip:
>00000000
>*pde = 00000000
>Oops: 0000
>autofs e100 e1000 ipt_REJECT iptable_filter ip_tables keybdev mousedev hid 
>input usb-uhci usbcore ext3 jbd raid5 xor raid1 3w-xxxx aic79xx sd_mod 
>scsi_mod
>CPU:    1
>EIP:    0060:[<00000000>]    Not tainted
>EFLAGS: 00010286
>
>EIP is at [unresolved] (2.4.20-9smp)
>eax: c04467a0   ebx: f631ea98   ecx: 00000000   edx: 00000000
>esi: f6347004   edi: 00000000   ebp: f885d8b0   esp: e2ea3ce0
>ds: 0068   es: 0068   ss: 0068
>Process ls (pid: 9720, stackpage=e2ea3000)
>Stack: c01b4d0a c04467a0 00000000 f631ea98 e2ea3d08 00100010 f631ea98 f6347004
>       d31ffc40 c54b6480 f885dc0b 00000000 f631ea98 00000060 c0149135 00000000
>       f37b63c0 f631ea80 c1130c20 c1130c20 00000000 00020002 d31ffc40 00000008
>Call Trace:   [<c01b4d0a>] generic_make_request [kernel] 0xda (0xe2ea3ce0))
>[<f885dc0b>] raid1_make_request [raid1] 0xfb (0xe2ea3d08))
>[<c0149135>] __alloc_pages [kernel] 0x95 (0xe2ea3d18))
>[<c01fbc42>] md_make_request [kernel] 0x82 (0xe2ea3d48))
>[<c01b4d0a>] generic_make_request [kernel] 0xda (0xe2ea3d5c))
>[<c01b4db7>] submit_bh [kernel] 0x57 (0xe2ea3d84))
>[<c01b4f16>] ll_rw_block [kernel] 0xf6 (0xe2ea3da0))
>[<c0154f1c>] bread [kernel] 0x4c (0xe2ea3dc8))
>[<f8881d3b>] ext3_get_inode_loc [ext3] 0xfb (0xe2ea3ddc))
>[<f8881e0b>] ext3_read_inode [ext3] 0x1b (0xe2ea3e08))
>[<c016b1d0>] alloc_inode [kernel] 0xc0 (0xe2ea3e20))
>[<c016c67a>] get_new_inode [kernel] 0x17a (0xe2ea3e3c))
>[<c016c8ba>] iget4 [kernel] 0x10a (0xe2ea3e64))
>[<f88836ec>] ext3_lookup [ext3] 0x7c (0xe2ea3e8c))
>[<c015f12c>] real_lookup [kernel] 0xec (0xe2ea3eac))
>[<c015f75a>] link_path_walk [kernel] 0x45a (0xe2ea3ecc))
>[<c015fca9>] path_lookup [kernel] 0x39 (0xe2ea3f0c))
>[<c015fff9>] __user_walk [kernel] 0x49 (0xe2ea3f1c))
>[<c015b1af>] vfs_lstat [kernel] 0x1f (0xe2ea3f38))
>[<c015b80b>] sys_lstat64 [kernel] 0x1b (0xe2ea3f70))
>[<c011c200>] do_page_fault [kernel] 0x0 (0xe2ea3fb0))
>[<c01099c0>] error_code [kernel] 0x34 (0xe2ea3fb8))
>[<c01098cf>] system_call [kernel] 0x33 (0xe2ea3fc0))


With our best regards,

Maurice W. Hilarius       Telephone: 01-780-456-9771
Hard Data Ltd.               FAX:       01-780-456-9772
11060 - 166 Avenue        mailto:maurice@harddata.com
Edmonton, AB, Canada      http://www.harddata.com/
    T5X 1Y3