From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Webb Subject: Re: sata_nv regression on Supermicro H8DMT+ for kernels newer than 2.6.25 Date: Sun, 31 Aug 2008 22:32:58 +0100 Message-ID: <20080831213258.GE13757@arachsys.com> References: <20080831204147.GG30238@arachsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from alpha.arachsys.com ([91.203.57.7]:54186 "EHLO alpha.arachsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758264AbYHaVfD (ORCPT ); Sun, 31 Aug 2008 17:35:03 -0400 Content-Disposition: inline In-Reply-To: <20080831204147.GG30238@arachsys.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Chris Webb writes: > I'm having some trouble with the sata_nv driver on a Supermicro Opteron > motherboard. It's an H8DMT+ with an onboard nVidia MCP55V Pro SATA controller > running the latest release of the BIOS. [...] > I imagine this implies that the chipset on this board has trouble with hard > resets in some way, but I'd be grateful for any advice as to the most sensible > next step to debug this! Just to follow up to my report, the following patch seems to cure these symptoms: diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -407,7 +407,7 @@ static struct ata_port_operations nv_generic_ops = { .inherits = &ata_bmdma_port_ops, - .hardreset = nv_hardreset, + .hardreset = ATA_OP_NULL, .scr_read = nv_scr_read, .scr_write = nv_scr_write, }; Best wishes, Chris.