> On Tue, 18 Nov 2008 08:49:33 +0100, Stefano Ceccherini wrote > > 2008/11/17 François Revol <revol@xxxxxxx>: > >> Didn't we switch to using APIC for IRQ handling by default on > >> uniprocessor machines too recently ? > >> > >> Guess I should try forcing using the PIC instead. > > > > We could have a safe mode switch for this too. > > We didn't switch to it. What you're referring to is either IOAPICs > for > interrupt routing or APIC timers for timers. APICs are used for > timers on all > processors that support them by now, yes. The IOAPIC isn't used yet > however, > because it cannot be fully initialized yet, due to the missing PCI > interrupt > configuration that depends on ACPI. I've made the ACPI module usable > at the > stage it is needed, but I haven't added actual code to retrieve the > information. Hmm that'd explain why the disable IOAPIC menu entry I just added wouldn't help :D François.