Unsurprisingly the change log for 2.6.17-8.22 says:
* Merged 154 commits from ACPI upstream.
It might be a good idea to revert these and instead backport only those few that made it into 2.6.18.
Unsurprisingly the change log for 2.6.17-8.22 says:
* Merged 154 commits from ACPI upstream.
It might be a good idea to revert these and instead backport only those few that made it into 2.6.18.