From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Problems (and confusions) with Intel ICH7 SATA controller Date: Wed, 07 Feb 2007 13:34:18 +0900 Message-ID: <45C956CA.80709@gmail.com> References: <1170536373.7892.5.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from nz-out-0506.google.com ([64.233.162.231]:64939 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030632AbXBGRzY (ORCPT ); Wed, 7 Feb 2007 12:55:24 -0500 Received: by nz-out-0506.google.com with SMTP id s1so246635nze for ; Wed, 07 Feb 2007 09:55:24 -0800 (PST) In-Reply-To: <1170536373.7892.5.camel@localhost> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Florian Echtler Cc: linux-ide@vger.kernel.org Florian Echtler wrote: > Hello everybody, > > I hope this is the right place to ask.. :-) > > I have an Acer Aspire 5550 laptop with Core Solo processor and the Intel > ICH7 Chipset. Most of the hardware works fine, with the exception of > suspend-to-ram. > > I have a strong suspicion that the SATA controller is to blame for that, > as I have tried every possible combination of s2ram parameters and still > the display stays black upon resume, only the hard disk LED lights up > and stays that way. > > I have seen suggestions to try the ahci driver instead of the ata_piix > driver, however, as far as I understand this would need switching the > controller mode in BIOS. The BIOS is, unfortunately, utterly crippled > and gives almost no options to change anything beyond the system clock. > > Is this a known problem with ICH7? Can anybody give me some additional > hints? Which version of kernel are you using? -- tejun