From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philip Langdale Subject: Re: Enabling MSI in sata_nv Date: Mon, 03 Dec 2007 17:56:52 -0800 Message-ID: <4754B3E4.60208@overt.org> References: <47537304.2030801@overt.org> <87f94c370712031055h4c359ee9w59fd076fedcc8b9f@mail.gmail.com> <475455FF.2060707@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from usul.saidi.cx ([204.11.33.34]:59167 "EHLO usul.overt.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750730AbXLDB5B (ORCPT ); Mon, 3 Dec 2007 20:57:01 -0500 In-Reply-To: <475455FF.2060707@garzik.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: linux-ide@vger.kernel.org Jeff Garzik wrote: > > MSI is pretty flaky, but we default it to 'on' for AHCI, which is the > "enhanced mode" side of the sata_nv chip. If it's new enough. MCP55 has no ahci mode. > So it is likely that it works on newer boards -- but even though Mark > Lord's response was mistaken (he thought sata_mv was being discussed), > he was right too... sata_nv has stability problems and I would prefer > not to enable MSI just yet, until we cure the other problems. Fair enough. Well, just chalk me down as a data point where it seems to be working. --phil