[Intrepid] SRU: Revert change of acpi integer to 64bit on 32bit systems

[Stefan Bader]

Andy Whitcroft wrote:
> On Tue, Mar 10, 2009 at 07:58:40PM +0100, Stefan Bader wrote:
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/337019
>>
>> SRU justification:
>>
>> Impact: One of the stable release updates for Intrepid changed the size 
>> of an acpi integer from 32 to 64bit on 32bit builds. This had a bad side 
>> effect when using closed source graphics drivers on machines that exposed 
>> video adapters via acpi tables. On those systems the start of X locked up 
>> with a solid black screen without any chance to type normal commands (or 
>> change to the terminal).
>> More recent NVidia drivers (180) work with that change but the default in 
>> intrepid is 177.
>>
>> Fix: Revert the change to acpi integer size (and one follow-up patch to this).
>>
>> Testcase: Tested by affected users.
> 
> Seems reasonable.  I assume we get this fix on later releases which
> already have the updated Nvidia drivers.  So we can live without it in
> Intrepid.
> 
> ACK.
> 
> -apw
applied to intrepid and pushed

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