[CentOS] ACPI: Unable to find RSDP problem with centos 5.5 but not 5.3

Wed Apr 27 06:42:45 UTC 2011
sri <bskmohan at gmail.com>

2nd try...


On Tue, Apr 26, 2011 at 9:43 PM, sri <bskmohan at gmail.com> wrote:

> Two more observations: (adding to my previous below email)
> 1) Centos 5.6 also showing the same ACPI errors as in CentOS 5.5
> 2)BIOS-E820 map has a difference in the first line: (0000000000010000
> instead of 0000000000000000)
> ================================
> - Centos-5.3 BIOS-E820 memory map is:
> BIOS-e820: 0000000000000000 - 000000000009e000 (usable)
>  BIOS-e820: 000000000009e000 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000001fee9000 (usable)
>  BIOS-e820: 000000001fee9000 - 0000000020000000 (reserved)
>  BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
> 0MB HIGHMEM available.
> 510MB LOWMEM available.
> ================================
> - Centos-5.5 BIOS-E820 memory map is:
> BIOS-e820: 0000000000010000 - 000000000009e000 (usable)
>  BIOS-e820: 000000000009e000 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000001fee9000 (usable)
>  BIOS-e820: 000000001fee9000 - 0000000020000000 (reserved)
>  BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
> 0MB HIGHMEM available.
> 510MB LOWMEM available.
> ================================
>
> Not sure this is why ACPI's root table is not able to find.
>
> Any comment/suggestion/pointers are really needed/appreciated.
>
> /Sri
>
>
> On Tue, Apr 26, 2011 at 7:14 PM, sri <bskmohan at gmail.com> wrote:
>
>> Hi Group,
>>
>> I was using centos 5.3 and trying to upgrade to 5.5. While installing 5.5
>> it was showing ACPI related errors on the screen causing the installation
>> could not able to find PCI devices.
>> The same installation is working with Centos 5.3 without any problems.
>> Observed few ACPI related patches (amont 4500+ patches ) in the Centos5.5
>> (kernel-2.6.18-194.32.1.centosplus.el5).
>>
>> Tried to remove those new ACPI patches (assuming they caused the problem)
>> but the rpmbuild process was throwing some patch dependency errors.
>> Attached are the config files and traces got while installing Centos5.3
>> and Centos5.5 respectively.
>>
>> Any help/pointers is highly appreciated as this is showstopper for me.
>>
>> --
>> --
>>  Sri
>>
>
>
>
> --
> --
>  Krishna Mohan B
>



-- 
--
 Krishna Mohan B
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