From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by oss.sgi.com (8.11.2/8.11.3) id fBHN05E04595 for linux-mips-outgoing; Mon, 17 Dec 2001 15:00:05 -0800 Received: from dea.linux-mips.net (localhost [127.0.0.1]) by oss.sgi.com (8.11.2/8.11.3) with ESMTP id fBHN00o04558 for ; Mon, 17 Dec 2001 15:00:00 -0800 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.1/8.11.1) id fBHLxrS01947; Mon, 17 Dec 2001 19:59:53 -0200 Date: Mon, 17 Dec 2001 19:59:53 -0200 From: Ralf Baechle To: Karsten Merker , linux-mips@oss.sgi.com, linux-mips@fnet.fr Subject: Re: New style irqs for DEC Message-ID: <20011217195953.B12490@dea.linux-mips.net> References: <20011217172741.A2316@dea.linux-mips.net> <20011217221652.A6765@excalibur.cologne.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20011217221652.A6765@excalibur.cologne.de>; from karsten@excalibur.cologne.de on Mon, Dec 17, 2001 at 10:16:52PM +0100 X-Accept-Language: de,en,fr Sender: owner-linux-mips@oss.sgi.com Precedence: bulk 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