linux-kernel - Re: 2.6.18-rt1

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Date:	Wed, 20 Sep 2006 11:34:00 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	paulmck@...ibm.com
Cc:	Gene Heskett <gene.heskett@...izon.net>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	John Stultz <johnstul@...ibm.com>,
	Dipankar Sarma <dipankar@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: 2.6.18-rt1

On Wed, 2006-09-20 at 11:25 -0700, Paul E. McKenney wrote:

> OK, using that instead.
> 
> I get the following at startup, which probably means that I need to use
> some machine other than a NUMA-Q.  Trying a different machine...
> 
> 						Thanx, Paul
> 
> BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
>  printing eip:
> c01151ff
> *pde = 34d21001
> *pte = 00000000
> stopped custom tracer.
> Oops: 0000 [#1]
> PREEMPT SMP 
> Modules linked in:
> CPU:    2
> EIP:    0060:[<c01151ff>]    Not tainted VLI
> EFLAGS: 00010246   (2.6.18-rt2-autokern1 #1) 
> EIP is at __wake_up_common+0x10/0x55

I get this too, it happens when HRT is off.. If you turn HRT on it will
boot .. I haven't found a fix for it, but I imagine Thomas will find it
soon.

Daniel

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