[Intrepid] SRU: Revert change of acpi integer to 64bit on 32bit systems
apw at canonical.com
Tue Mar 10 19:30:44 GMT 2009
On Tue, Mar 10, 2009 at 07:58:40PM +0100, Stefan Bader wrote:
> 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
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