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Date: Sat, 24 Jun 2006 06:18:33 -0400
From: Chuck Ebbert <76306.1226@compuserve.com>
Subject: Re: 2.6.11: spinlock problem
To: Darren Reed <darrenr@reed.wattle.id.au>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
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On Sat, 24 Jun 2006 12:47:30 +1000, Darren Reed wrote:

> The call stack for the panic is:
> panic
> ipf_read_enter
> ..
> do_softirq
> =====
> do_IRQ
> common_interrupt
> ipf_rw_exit

If you are using spinlocks fron interrupt context you need to use
spin_lock_irq/spin_lock_irqsave / spin_unlock_irq/spin_unlock_irqrestore.

-- 
Chuck
 "You can't read a newspaper if you can't read."  --George W. Bush