From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: Re: [PATCH] aacraid: superfluous adapter reset for IBM 8 series ServeRAID controllers Date: Wed, 02 May 2007 16:39:12 -0700 Message-ID: <46392120.1030507@us.ibm.com> References: <46376CE4.7080403@us.ibm.com> Reply-To: "Darrick J. Wong" Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from e4.ny.us.ibm.com ([32.97.182.144]:46002 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767247AbXEBXif (ORCPT ); Wed, 2 May 2007 19:38:35 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e4.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l42NcYmt002330 for ; Wed, 2 May 2007 19:38:34 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v8.3) with ESMTP id l42NcYLU526496 for ; Wed, 2 May 2007 19:38:34 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l42NcXvc005491 for ; Wed, 2 May 2007 19:38:34 -0400 In-Reply-To: <46376CE4.7080403@us.ibm.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Darrick J. Wong" , "Salyzyn, Mark" Cc: linux-scsi@vger.kernel.org, Alexis Bruemmer , James Bottomley Darrick J. Wong wrote: > Salyzyn, Mark wrote: >> The kexec patch introduced a superfluous (and otherwise inert) reset of >> some adapters. The register can have a hardware default value that has >> zeros for the undefined interrupts. This patch refines the test of the >> interrupt enable register to focus on only the interrupts that affect >> the driver in order to detect if an incomplete shutdown of the Adapter >> had occurred (kdump). > > Tests out ok on the affected machines, so: /me shoves foot in mouth. Crashes on a 2410SA aacraid card; OIMR = 0xF7. De-ack. --D