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Subject: Re: [2.6.27] early exception - lockdep related?
From: Peter Zijlstra <peterz@infradead.org>
To: Luca Tettamanti <kronos.it@gmail.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com
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Date: Wed, 03 Sep 2008 11:01:58 +0200
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On Wed, 2008-09-03 at 10:54 +0200, Luca Tettamanti wrote:
> On Wed, Sep 3, 2008 at 10:37 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Wed, 2008-09-03 at 10:28 +0200, Luca Tettamanti wrote:
> >> On Wed, Sep 3, 2008 at 8:52 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> >> > On Tue, 2008-09-02 at 23:06 +0200, Luca Tettamanti wrote:
> >> >> Hello,
> >> >> I'm seeing an early exception (0e) - which seems related to lockdep - at
> >> >> boot with many 2.6.27 kernels and I'm having troubles to track it down.
> >> >
> >> > Does it print one of these nice stack traces?
> >>
> >> Of course not ;-) It dies before dumping the stack trace (or at least
> >> it doesn't make to the console - that machine has a serial port, but
> >> my notebook does not... I've ordered a usb-to-serial adapter).
> >
> > Until it arrives, you could try poking at netconsole..
> 
> Hum, I forgot to mention that it dies very early, just after:
> 
> Kernel is alive
> Kernel is really alive
> <exception>
> <dead>
> 
> Is netconsole already up at that point?

Good question, I suppose not, that only happens after the device probing
has found the eth card.