linux-kernel - Re: spurious kernel error

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Message-Id: <200703301525.06460.lenb@kernel.org>
Date:	Fri, 30 Mar 2007 15:25:06 -0400
From:	Len Brown <lenb@...nel.org>
To:	Zach <netrek@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: spurious kernel error

On Friday 30 March 2007 03:36, Zach wrote:

> kern.log:Mar 29 23:44:36 netrek kernel: spurious 8259A interrupt: IRQ7.

A spurious interrupt isn't necessarily a "spurious kernel error",
it means that the kernel went to service an interrupt and didn't
find any sources.  In PIC mode, these are registered on IRQ7.
Could be a race condition in a device driver
that is exposed from multiple drivers sharing the same IRQ.

-Len

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