Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759666Ab1EMQ4I (ORCPT ); Fri, 13 May 2011 12:56:08 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:50114 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753337Ab1EMQ4H (ORCPT ); Fri, 13 May 2011 12:56:07 -0400 From: "Rafael J. Wysocki" To: "Michael Leun" Subject: Re: AHCI driver problem on ICH (Re: AHCI driver problem on SB700/SB800 w/ Acer Ferrari One) Date: Fri, 13 May 2011 18:56:44 +0200 User-Agent: KMail/1.13.6 (Linux/2.6.39-rc7+; KDE/4.6.0; x86_64; ; ) Cc: Tejun Heo , linux-ide@vger.kernel.org, Linux PM mailing list , LKML References: <201105120025.34531.rjw@sisk.pl> <20110513143758.33f68a77@xenia.leun.net> In-Reply-To: <20110513143758.33f68a77@xenia.leun.net> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201105131856.44250.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2528 Lines: 62 On Friday, May 13, 2011, Michael Leun wrote: > 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? Well, that very well may be the case. Can you verify that it didn't happen with 2.6.38 and earlier? Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/