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From: "EC" <wingman@waika9.com>
To: "'Jeff Garzik'" <jgarzik@pobox.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: libata ICH5 2.4.28 kernel oops
Date: Mon, 6 Dec 2004 21:10:51 +0100
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Was this of any use ? do you think there is a solution for this problem ?

Thx.

EC.

>>>
>>> I'm getting trouble to upgrade from 2.4.27 to 2.4.28 since kernel oopses
>>on
>>> start. That seems to be related to libata and my SATA configuration. I'm
>>> using a plain vanilla kernel (no patches).
>>>
>>> I have a Supermicro P4SCI with a PIV (SATA chipset ICH5), latest bios
>>(1.1),
>>> one disk (SATA), BIOS configured to SATA Only (but enhanced mode does
>the
>>> same. Same kernel configuration used to work with 2.4.27 with the libata
>>> patch. I'm not sure I'm supposed to apply the new 2.4.28 libata patch
>but
>>> anyway with or without it kernel crashes about here :
>>>
>>> ...
>>> SCSI subsystem driver Revision : 1.0...
>>> ata1 : SATA max UDMA/133 : cmd 0x1F0 ctl 0x3F6 bmdam 0xF000 irq 14
>>> ata1 : dev 0 ATA, max UDMA/133...
>>> ata1 : dev 0 configured for UDMA/133
>>> Unable to handle Kernel NULL pointer dereference....
>>> ...
>>
>>Give us the oops.
>
>ksymoops ... :
>
>c01ad09f
>*pde = 00000000
>Oops: 0000
>CPU: 1
>EIP: 0010:[<c01ad09f>] Not Tainted
>Using defaults from ksymoops -t elf32-i386 -a i386
>EFLAGS: 00010246
>eax: 00000000 ebx: c19e807c ecx: 00000000 edx: 00000002
>esi: c19e8000 edi: c19e8220 ebp: c19e8220 esp: c19bbf18
>ds: 0018 es: 0018 ss: 0018
>Stack: c19e807c c19e807c c19e8000 f38c4880 c19e8220 00000000 c19e8220
>00000000
>       f38c4880 c01ad18c c19e8220 f38c4880 00000000 c19e8220 00000001
>00000000
>       0003e000 f38c4880 c19b2000 00000000 c01ad30c c19e8220 c02537a0
>00000000
>Call Trace: [<c01ad18c>] [<c01ad30c>] [<c01a15ca>] [<c01b1c78>]
>[<c01b1cf4>]
>            [<c01b1ce6>] [<c01a1f26>] [<c01050a5>] [<c01070f0>]
>Code: 8b 40 50 ff d0 83 c4 18 85 c0 74 0d 56 e8 0f 53 ff ff 31 c0
>
>
>>>EIP; c01ad09f <ata_host_add+3b/5c>   <=====
>
>Trace; c01ad18c <ata_device_add+cc/214>
>Trace; c01ad30c <ata_scsi_detect+38/68>
>Trace; c01a15ca <scsi_register_host+7e/2f4>
>Trace; c01b1c78 <pci_announce_device+1c/50>
>Trace; c01b1cf4 <pci_register_driver+48/60>
>Trace; c01b1ce6 <pci_register_driver+3a/60>
>Trace; c01a1f26 <scsi_register_module+2a/5c>
>Trace; c01050a5 <init+29/144>
>Trace; c01070f0 <arch_kernel_thread+28/38>
>
>Code;  c01ad09f <ata_host_add+3b/5c>
>00000000 <_EIP>:
>Code;  c01ad09f <ata_host_add+3b/5c>   <=====
>   0:   8b 40 50                  mov    0x50(%eax),%eax   <=====
>Code;  c01ad0a2 <ata_host_add+3e/5c>
>   3:   ff d0                     call   *%eax
>Code;  c01ad0a4 <ata_host_add+40/5c>
>   5:   83 c4 18                  add    $0x18,%esp
>Code;  c01ad0a7 <ata_host_add+43/5c>
>   8:   85 c0                     test   %eax,%eax
>Code;  c01ad0a9 <ata_host_add+45/5c>
>   a:   74 0d                     je     19 <_EIP+0x19>
>Code;  c01ad0ab <ata_host_add+47/5c>
>   c:   56                        push   %esi
>Code;  c01ad0ac <ata_host_add+48/5c>
>   d:   e8 0f 53 ff ff            call   ffff5321 <_EIP+0xffff5321>
>Code;  c01ad0b1 <ata_host_add+4d/5c>
>  12:   31 c0                     xor    %eax,%eax
>