Re: Suppress APIC errors on UP x86-64.

Dave Jones
2006-02-24T02:27:17Z

On Fri, Feb 24, 2006 at 03:18:11AM +0100, Andi Kleen wrote:
> On Friday 24 February 2006 02:53, Dave Jones wrote:
> > On Fri, Feb 24, 2006 at 02:45:29AM +0100, Andi Kleen wrote:
> > > On Friday 24 February 2006 02:42, Dave Jones wrote:
> > > > Quite a few UP x86-64 laptops print APIC error 40's repeatedly
> > > > when they run an SMP kernel (And Fedora doesn't ship a UP x86-64 kernel
> > > > any more). We can suppress this as there's not really anything we
> > > > can do about them.
> > >
> > > No we need to fix the APIC errors, not hide them.
> >
> > What do you need to fix them ? I've got one laptop here that
> > is affected, and there's a few other examples with dmesg's
> > in Red Hat bugzilla that I can trawl.
>
> Some pattern analysis would be useful. All the same chipset, revision?

>From first impression, it seems they're all (including mine) HP laptops
with ATI chipsets.

A quick google seems to confirm this.
http://www.google.com/search?&q=HP+%22apic+error%22

I wonder if this is related at all to the 'time goes double speed'
bug that some folks see (incidentally, I don't on mine).

> Best you collect boot logs.

I'll try to gather some more data.

Dave