ACPI disappears silently if !CONFIG_X86_LOCAL_APIC
On some systems where ACPI used to work fine, APIC support is not really needed in the kernel because the mobile chipset/processor doesn't support it. Nonetheless, in 2.6.0-test3-bk-current, CONFIG_ACPI depends on CONFIG_X86_LOCAL_APIC. As it's only a requirement for ACPI_HT, this patch should be fine [it compiles and it works on my notebook].
Dominik
drivers/acpi/Kconfig renamed from drivers/acpi/Kconfig.original +1 -1
@@ -30,7 +30,7 @@ bool "Full ACPI Support" depends on !X86_VISWS depends on !IA64_HP_SIM - depends on IA64 || (X86 && ACPI_HT) + depends on IA64 || (X86 && ACPI_HT) || (X86 && !X86_LOCAL_APIC) default y ---help--- Advanced Configuration and Power Interface (ACPI) support for
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