From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932659AbYETONS (ORCPT ); Tue, 20 May 2008 10:13:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758626AbYETONJ (ORCPT ); Tue, 20 May 2008 10:13:09 -0400 Received: from mx1.redhat.com ([66.187.233.31]:57297 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757854AbYETONI (ORCPT ); Tue, 20 May 2008 10:13:08 -0400 Date: Tue, 20 May 2008 10:13:02 -0400 From: Alan Cox To: Plamen Petrov Cc: linux-kernel@vger.kernel.org, "Luca Tettamanti ; Tejun Heo ; Jeff Garzik ; Alan Cox ; Shaohua Li ; Greg Kroah-Hartman" Subject: Re: [BISECTED] pata_jmicron: no drives found on post 2.6.25 kernels Message-ID: <20080520141302.GB20794@devserv.devel.redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 20, 2008 at 01:37:14AM +0300, Plamen Petrov wrote: > git bisect revealed that commit > 7d715a6c1ae5785d00fb9a876b5abdfc43abc44b > is the one causing pata_jmicron to fail to detect drives, > connected to the JMicron controler on my motherboard. > At least in my case, anyway... > Changing kernel config to CONFIG_PCIEASPM=n makes the drives > attached to the JMicron SATA/PATA controller usable again. The PCIE ASM stuff is experimental and for good reason it appears. Not an ATA layer bug - a PCIE one so once the PCIE folks fix their stuff hopefully it'll magically start working.