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From: "Luca Tettamanti" <kronos.it@gmail.com>
To: "Peter Zijlstra" <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com
Subject: Re: [2.6.27] early exception - lockdep related?
Date: Thu, 4 Sep 2008 22:51:14 +0200	[thread overview]
Message-ID: <68676e00809041351x5949e4f3xdc97737a56bfd4cd@mail.gmail.com> (raw)
In-Reply-To: <1220538332.8609.233.camel@twins>

On Thu, Sep 4, 2008 at 4:25 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> Sadly your config just boots, albeit not to userspace due to missing
> drivers.

Yes, I managed to boot it with qemu... I tried kgdb - without luck -
kernel dies too early.
I also managed to get a stack trace :D

http://img151.imageshack.us/my.php?image=tracedm1.jpg

It seems that lockdep is an innocent bystander... the kernel died with
panic() in __reserve_early, and then took another exception while
printing the panic (I guess).
Will add further debug stuff to see wtf is going on.

Luca

      reply	other threads:[~2008-09-04 20:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-02 21:06 [2.6.27] early exception - lockdep related? Luca Tettamanti
2008-09-03  6:52 ` Peter Zijlstra
2008-09-03  8:28   ` Luca Tettamanti
2008-09-03  8:37     ` Peter Zijlstra
2008-09-03  8:54       ` Luca Tettamanti
2008-09-03  9:01         ` Peter Zijlstra
2008-09-03  9:03         ` Peter Zijlstra
2008-09-03 19:21     ` Luca Tettamanti
2008-09-04 14:25       ` Peter Zijlstra
2008-09-04 20:51         ` Luca Tettamanti [this message]

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