linux-kernel - Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC

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Message-Id: <200711211422.32908.lenb@kernel.org>
Date:	Wed, 21 Nov 2007 14:22:32 -0500
From:	Len Brown <lenb@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...dowen.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	linux-acpi@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC

On Wednesday 21 November 2007 01:18, Andrew Morton wrote:
> On Wed, 21 Nov 2007 11:41:23 +0530 Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> wrote:

> > SMP alternatives: switching to UP code
> > ACPI: Core revision 20070126
> > ..MP-BIOS bug: 8254 timer not connected to IO-APIC

did previous kernels print this too?

> > Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter
> 
> ACPI or x86 breakage, I guess.

If you suspect ACPI breakage, then try "acpi=off" or "acpi=noirq".

thanks,
-Len
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