linux-kernel - Re: 2.6.18-rt1

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Date:	Wed, 20 Sep 2006 13:06:27 -0700
From:	"Paul E. McKenney" <paulmck@...ibm.com>
To:	Daniel Walker <dwalker@...sta.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, Sep 20, 2006 at 11:34:00AM -0700, Daniel Walker wrote:
> On Wed, 2006-09-20 at 11:25 -0700, Paul E. McKenney wrote:
> > 
> > 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.

Enabling HRT works for me too -- thanks to you and Thomas for the hint!

							Thanx, Paul
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