Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 6 Nov 2000 04:01:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 6 Nov 2000 04:01:02 -0500 Received: from panic.ohr.gatech.edu ([130.207.47.194]:65033 "EHLO havoc.gtf.org") by vger.kernel.org with ESMTP id ; Mon, 6 Nov 2000 04:00:47 -0500 Message-ID: <3A067318.E9C6ADDF@mandrakesoft.com> Date: Mon, 06 Nov 2000 04:00:08 -0500 From: Jeff Garzik Organization: MandrakeSoft X-Mailer: Mozilla 4.75 [en] (X11; U; Linux 2.4.0-test10 i686) X-Accept-Language: en MIME-Version: 1.0 To: Neil Brown CC: ryan , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: Kernel 2.4.0test10 crash (RAID+SMP) In-Reply-To: <1459.973469046@kao2.melbourne.sgi.com> <3A060BE5.8877F477@netidea.com> <14854.8617.282831.205647@notabene.cse.unsw.edu.au> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Neil Brown wrote: > It looks like an interupt is happening while another interrupt is > happening, which should be impossible... but it isn't. If multiple interrupts are hitting a single code path (like IDE irqs 14 -and- 15), you definitely have to think about that. The reentrancy guarantee only exists when a single IRQ is assigned to a single handler... Jeff -- Jeff Garzik | Dinner is ready when Building 1024 | the smoke alarm goes off. MandrakeSoft | -/usr/games/fortune - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/