Re: [PATCH] leave APIC code inactive by default on i386

From: Dave Jones
Date: Mon Mar 06 2006 - 12:17:32 EST


On Mon, Mar 06, 2006 at 01:50:18PM +0100, Pavel Machek wrote:

> > The number of systems that actually *need* APIC enabled are in the
> > vast (though growing) minority, so it's unlikely that most newbies
> > will hit this. The problem is also the inverse of what you describe.
> > Typically the distros have DMI lists of machines that *need* APIC
> > to make it enabled by default so everything 'just works'.
>
> Well, blacklisting "new" machines is a problem -- their number
> grows. Would not it be better to blacklist machines broken by APIC
> ("old" ones, presumably)?

It would. Though some new machines also falsely advertise it as
working aparently. I heard a report of a thinkpad going boom last week.

> Is adding "noapic nolapic" to default command line a big problem?

For end-users, yes. People want things to 'just work', not have
to find arcane commands to type in to make things work.

Dave


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