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

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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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