Re: Suppress APIC errors on UP x86-64.

[Dave Jones <davej@redhat.com>]

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