From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
Date: Tue, 20 Nov 2007 22:18:39 -0800
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To: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, Andy Whitcroft <apw@shadowen.org>, Balbir Singh <balbir@linux.vnet.ibm.com>, linux-acpi@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>

On Wed, 21 Nov 2007 11:41:23 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:

> Hi Andrew,
> 
> Kernel panic's across different architectures like powerpc, x86_64, 

powerpc complains about IO-APICs??

> Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes)
> Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes)
> Mount-cache hash table entries: 256
> SMP alternatives: switching to UP code
> ACPI: Core revision 20070126
> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter

ACPI or x86 breakage, I guess.

Did 'noapic' work?