From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Battersby Subject: Re: AHCI problem with hotplug Date: Thu, 08 Jan 2009 09:20:15 -0500 Message-ID: <49660B9F.4010408@cybernetics.com> References: <494178E3.6030305@cybernetics.com> <49588784.4020808@kernel.org> <4958E3DC.7080009@cybernetics.com> <49591710.7040102@shaw.ca> <49596D9E.3040904@kernel.org> <495D8606.5070807@kernel.org> <4964CCBF.5030408@cybernetics.com> <49655FBA.3060005@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from host64.cybernetics.com ([98.174.209.230]:2977 "EHLO mail.cybernetics.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751323AbZAHOUV (ORCPT ); Thu, 8 Jan 2009 09:20:21 -0500 In-Reply-To: <49655FBA.3060005@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Robert Hancock , Jeff Garzik , IDE/ATA development list Tejun Heo wrote: > Hello, > > Tony Battersby wrote: > >> Sorry it took so long. I have attached the output of lspci when booting >> without a SATA disk attached, and also when booting with a SATA disk >> attached. >> > > 00:1f.2 SATA controller [0106]: Intel Corporation 82801GR/GH (ICH7 Family) SATA AHCI Controller [8086:27c1] (rev 01) (prog-if 01 [AHCI 1.0]) > ... > 90: 40 00 11 10 80 01 00 40 00 00 00 00 00 00 00 00 > ^^^^^ > PCS 0x1011 > > Port 0 and 4 enabled and 4 present. Does "setpci -s 1f.2 93b=f" fix > hotplugging? > > setpci gives the following error: pcilib: sysfs_write: tried to write 1 bytes at 2363, but only 0 succeeded lspci shows no difference before and after. Tony