From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boszormenyi Zoltan Subject: Re: ahci driver cannot suspend a CF card, ata_piix can Date: Fri, 19 Apr 2013 19:29:38 +0200 Message-ID: <51717F02.8050606@pr.hu> References: <516D3CEF.6010202@pr.hu> <51715F5C.3050502@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail.pr.hu ([87.242.0.5]:35968 "EHLO mail.pr.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751260Ab3DSR36 (ORCPT ); Fri, 19 Apr 2013 13:29:58 -0400 In-Reply-To: <51715F5C.3050502@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Aaron Lu Cc: lkml , Jeff Garzik , linux-ide@vger.kernel.org Hi, 2013-04-19 17:14 keltez=E9ssel, Aaron Lu =EDrta: > On 04/16/2013 07:58 PM, Boszormenyi Zoltan wrote: >> Hi, >> >> The SATA interface can be switched between AHCI and legacy modes as = usual: >> >> 00:1f.2 SATA controller: Intel Corporation NM10/ICH7 Family SATA >> Controller [AHCI mode] (rev 02) >> >> The device attached to the SATA controller is always a CF card via a >> SiI3811 Serial ATA to Parallel ATA Device Bridge based converter boa= rd. > > Can you please attach a normal sata disk and try again with the > controller set to AHCI mode? I suspect it may be the SiI3811 bridge t= hat > caused this command. > > Thanks, > Aaron Unfortunately, there's no way for me to open the box at the moment. This particular computer is very compact and the screws are very tight. All the interesting devices are sealed behind its touchscreen. But: how comes that by using the ata_piix, the SUSPEND IMMEDIATE ATA command succeeds? Is it sent at all using the legacy mode? Thanks, Zolt=E1n B=F6sz=F6rm=E9nyi