From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759293Ab1EMNHf (ORCPT ); Fri, 13 May 2011 09:07:35 -0400 Received: from serv04.lahn.de ([213.239.197.57]:53573 "EHLO serv04.lahn.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759242Ab1EMNHd (ORCPT ); Fri, 13 May 2011 09:07:33 -0400 X-Greylist: delayed 1750 seconds by postgrey-1.27 at vger.kernel.org; Fri, 13 May 2011 09:07:33 EDT Date: Fri, 13 May 2011 14:37:58 +0200 From: "Michael Leun" To: Tejun Heo Cc: "Rafael J. Wysocki" , linux-ide@vger.kernel.org, Linux PM mailing list , LKML Subject: AHCI driver problem on ICH (Re: AHCI driver problem on SB700/SB800 w/ Acer Ferrari One) Message-ID: <20110513143758.33f68a77@xenia.leun.net> In-Reply-To: <201105120025.34531.rjw@sisk.pl> References: <201105120025.34531.rjw@sisk.pl> Organization: Not Organized X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.1; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 May 2011 00:25:34 +0200 "Rafael J. Wysocki" wrote: > There seems to be a problem on my Acer box which is related to DIPM > and switching the power source. Namely, when I detach the AC adapter > from the machine, the disk (which is an Intel SSD) freezes for a > while and something like this appears in dmesg: [...] Since updating to 2.6.39-rc7 (from 2.6.38.x) I have similar problems with two notebooks using Intel ICH: Acer PTZ1825 00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03) (prog-if 01 [AHCI 1.0]) Subsystem: Acer Incorporated [ALI] Device 0300 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 42 I/O ports at 30e8 [size=8] I/O ports at 30fc [size=4] I/O ports at 30e0 [size=8] I/O ports at 30f8 [size=4] I/O ports at 3020 [size=32] Memory at d4504000 (32-bit, non-prefetchable) [size=2K] Capabilities: [80] MSI: Enable+ Count=1/16 Maskable- 64bit- Capabilities: [70] Power Management version 3 Capabilities: [a8] SATA HBA v1.0 Capabilities: [b0] PCI Advanced Features Kernel driver in use: ahci Dell Latitude E6510 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Cont roller (rev 05) (prog-if 01 [AHCI 1.0]) Subsystem: Dell Device 040b Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 41 I/O ports at 8090 [size=8] I/O ports at 8080 [size=4] I/O ports at 8070 [size=8] I/O ports at 8060 [size=4] I/O ports at 8020 [size=32] Memory at e9640000 (32-bit, non-prefetchable) [size=2K] Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [70] Power Management version 3 Capabilities: [a8] SATA HBA v1.0 Capabilities: [b0] PCI Advanced Features Kernel driver in use: ahci Patch not tried yet (do not know / not looked into yet where to change for this chipset). Seems to be a 2.6.39-rcX regression? -- MfG, Michael Leun