linux-kernel - Re: linux-2.6.23-mm1 crashed

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Message-Id: <20071014122144.f8e56ed9.akpm@linux-foundation.org>
Date:	Sun, 14 Oct 2007 12:21:44 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Dave Milter" <davemilter@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: linux-2.6.23-mm1 crashed

On Sun, 14 Oct 2007 22:45:47 +0400 "Dave Milter" <davemilter@...il.com> wrote:

> I build linux-2.6.23-mm1 and try to boot it using qemu,
> and it crashed with trace like this:
> do_page_fault
> error_code
> lock_acquire
> _spin_lock_irqsave
> gdth_timeout
> run_timer_softirq
> __do_softirq
> do_softirq
> 
> I have screenshot, but have no idea, is it legal to include it, if I
> sent copy to lkml.
> config of kernel in attachment,
> I apply all three patches from hot-fixes.
> 

The screenshot is here:  http://userweb.kernel.org/~akpm/crash.png

It would appear that gdth_timeout() is passing a bad pointer into
spin_lock_irqsave().
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