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Date: Thu, 6 Mar 2008 14:15:47 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
       Yinghai Lu <yhlu.kernel@gmail.com>
Subject: Re: 2.6.25-rc4: crash on boot when SMP enabled
Message-ID: <20080306131547.GE21359@elte.hu>
References: <20080306102927.GA4434@elf.ucw.cz>
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* Pavel Machek <pavel@ucw.cz> wrote:

> Hi!
> 
> On amd 8-core system, I get crash on boot... Last messages:
> 
> Quad-Core AMD Opteron...
> Checking TSC Synchronization [CPU#0 -> CPU#3]: passed
> BUG: unable to handle kernel paging request at 00...005958
> IP: __alloc_pages+0x38
> ...
> Call trace:
> kmem_getpages
> cache_grow
> ____cache_alloc_node
> cpuup_callback
> kmem_cache_alloc_node
> cpuup_callback
> notifier_call_chain
> _cpu_up

could you try latest x86.git:

    http://people.redhat.com/mingo/x86.git/README

does it fix it? Could be one of the numa fixes that are queued up.

	Ingo