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Date:      Mon, 27 Jun 2005 15:35:34 -0400
From:      John Baldwin <jhb@FreeBSD.org>
To:        Zahemszky =?iso-8859-2?q?G=E1bor?= <Gabor@Zahemszky.HU>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: lockup on SMP machine
Message-ID:  <200506271535.35133.jhb@FreeBSD.org>
In-Reply-To: <42C052F9.9010006@Zahemszky.HU>
References:  <42BFE47A.3040907@Zahemszky.HU> <200506271046.41253.jhb@FreeBSD.org> <42C052F9.9010006@Zahemszky.HU>

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On Monday 27 June 2005 03:26 pm, Zahemszky G=E1bor wrote:
> John Baldwin wrote:
> > It may be bugs with your BIOS.  Does ACPI work ok if you do 'set
> > hint.apic.0.disabled=3D1' from the loader?  If so, does it still work o=
k if
> > you just do 'set kern.smp.disabled=3D1' from the loader?
>
> Hi!
>
> Thanks for yor answer.
>
>  From loader prompt:
>
> set hint.acpi.0.disabled=3D0
> set hint.apic.0.disabled=3D1
>
> works OK. By the way, it was only a quick boot, and a poweroff - before
> it, with acpi, I cannot poweroff. With acpi, an without apic, it works.
> But I had sysctl hw.ncpu =3D 1 :-(

Ok.

> set hint.acpi.0.disabled=3D0
> set hint.apic.0.disabled=3D0
> set kern.smp.disabled=3D1
>
> The same syptom as before, I cannot boot, I saw the second CPU, and it
> freezes.

Hmm, you shouldn't have seen a second CPU due to 'kern.smp.disabled'.  Can =
you=20
build a kernel without SMP but with 'device apic' for now, and can you grab=
=20
verbose dmesg's from both ACPI being enabled and ACPI being disabled so I c=
an=20
compare them?

=2D-=20
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =3D  http://www.FreeBSD.org



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