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Re: New style irqs for DEC

To: Karsten Merker <karsten@excalibur.cologne.de>, linux-mips@oss.sgi.com, linux-mips@fnet.fr
Subject: Re: New style irqs for DEC
From: Ralf Baechle <ralf@oss.sgi.com>
Date: Mon, 17 Dec 2001 19:59:53 -0200
In-reply-to: <20011217221652.A6765@excalibur.cologne.de>; from karsten@excalibur.cologne.de on Mon, Dec 17, 2001 at 10:16:52PM +0100
References: <20011217172741.A2316@dea.linux-mips.net> <20011217221652.A6765@excalibur.cologne.de>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5i
On Mon, Dec 17, 2001 at 10:16:52PM +0100, Karsten Merker wrote:

> > below is my attempt at fixing interrupts for DECstation against the
> > latest 2.4.  Can you give it a try?
> 
> Gives the following on a DECstation 5000/20 (R3k):

[long oops deleted]

> Kernel panic: Aiee, killing interrupt handler!
> In interrupt handler - not syncing
> ------------------------------------------------------------------------------

Turns out that this is a NULL function pointer getting called.  That is
strange because it happened in the softirq code which I haven't touched
at all.  Maybe some type of memory corruption.

  Ralf

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