linux-kernel - Re: Problem activating multiple cores ONLY if I press any key before kernel is loaded

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Message-ID: <514e099a0805281953y53f1e1f5wf900c1d9249a7e56@mail.gmail.com>
Date:	Wed, 28 May 2008 19:53:19 -0700
From:	"S K" <nospamnoham@...il.com>
To:	"Dave Jones" <davej@...hat.com>,
	"Jiri Slaby" <jirislaby@...il.com>, "S K" <nospamnoham@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Problem activating multiple cores ONLY if I press any key before kernel is loaded

Ah! I see you are from Redhat. So who, if any, would be likely to fix this?

This might not be the right list to ask this question, but since I
already started a thread -- how do I make sure the same config options
as the Fedora 9 kernel are turned on when I make a vanilla kernel
build? Well other than checking each one individually in menuconfig.

Thanks,
SK

On Wed, May 28, 2008 at 11:35 AM, Dave Jones <davej@...hat.com> wrote:
> On Mon, May 26, 2008 at 10:06:44AM +0200, Jiri Slaby wrote:
>  > On 05/26/2008 05:39 AM, S K wrote:
>  > > and Fedora 9 with kernel 2.6.25.3-18.fc9.i686.
>  > [...]
>  > > I see this in dmesg:
>  > > CPU 1 irqstacks, hard=c07ba000 soft=c079a000
>  > > Not responding.
>  > > Inquiring remote APIC #1...
>  > > ... APIC #1 ID: failed
>  > > ... APIC #1 VERSION: failed
>  > > ... APIC #1 SPIV: failed
>  > > CPU #1 not responding - cannot use it.
>  > > Booting processor 1/2 ip 4000
>  > > Not responding.
>  > > Inquiring remote APIC #2...
>  > > ... APIC #2 ID: failed
>  > > ... APIC #2 VERSION: failed
>  > > ... APIC #2 SPIV: failed
>  > > CPU #2 not responding - cannot use it.
>  > > Booting processor 1/3 ip 4000
>  > > Not responding.
>  > > Inquiring remote APIC #3...
>  > > ... APIC #3 ID: failed
>  > > ... APIC #3 VERSION: failed
>  > > ... APIC #3 SPIV: failed
>  > > CPU #3 not responding - cannot use it.
>  > > Total of 1 processors activated (5015.39 BogoMIPS).
>  > > ENABLING IO-APIC IRQs
>  > > ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
>  > > Brought up 1 CPUs
>  >
>  > Does it work with vanilla? If yes, contact your kernel provider (redhat bugzilla).
>
> Incredibly high chance that the answer is yes.
> I don't recall any patches that could affect this, and in honesty filing
> this at rh bugzilla is going to make me scratch my head, and then
> ask people here like tglx & ingo to take a look, so other than for tracking
> purposes, it's not likely to improve chances of it getting fixed.
>
>        Dave
>
> --
> http://www.codemonkey.org.uk
>
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