Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760655AbXIZPC2 (ORCPT ); Wed, 26 Sep 2007 11:02:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756234AbXIZPCS (ORCPT ); Wed, 26 Sep 2007 11:02:18 -0400 Received: from palinux.external.hp.com ([192.25.206.14]:53740 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755045AbXIZPCR (ORCPT ); Wed, 26 Sep 2007 11:02:17 -0400 Date: Wed, 26 Sep 2007 09:02:16 -0600 From: Matthew Wilcox To: Linas Vepstas Cc: linux-scsi@vger.kernel.org, linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz Subject: Re: [PATCH 2/2]: PCI Error Recovery: Symbios SCSI First Failure Message-ID: <20070926150216.GH3899@parisc-linux.org> References: <20070420204114.GL31947@austin.ibm.com> <20070420204720.GM31947@austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070420204720.GM31947@austin.ibm.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1166 Lines: 25 On Fri, Apr 20, 2007 at 03:47:20PM -0500, Linas Vepstas wrote: > Implement the so-called "first failure data capture" (FFDC) for the > symbios PCI error recovery. After a PCI error event is reported, > the driver requests that MMIO be enabled. Once enabled, it > then reads and dumps assorted status registers, and concludes > by requesting the usual reset sequence. > + /* Request that MMIO be enabled, so register dump can be taken. */ > + return PCI_ERS_RESULT_CAN_RECOVER; > +} I'm a little concerned by the mention of MMIO. It's entirely possible for the sym2 driver to be using ioports to access the card rather than MMIO. Is it simply that it can't on the platform you test on? -- Intel are signing my paycheques ... these opinions are still mine "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/