Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751538AbWCCC7a (ORCPT ); Thu, 2 Mar 2006 21:59:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751468AbWCCC73 (ORCPT ); Thu, 2 Mar 2006 21:59:29 -0500 Received: from mraos.ra.phy.cam.ac.uk ([131.111.48.8]:25592 "EHLO mraos.ra.phy.cam.ac.uk") by vger.kernel.org with ESMTP id S1751173AbWCCC72 (ORCPT ); Thu, 2 Mar 2006 21:59:28 -0500 To: "Yu, Luming" cc: linux-kernel@vger.kernel.org, "Linus Torvalds" , "Andrew Morton" , "Tom Seeley" , "Dave Jones" , "Jiri Slaby" , michael@mihu.de, mchehab@infradead.org, v4l-dvb-maintainer@linuxtv.org, video4linux-list@redhat.com, "Brian Marete" , "Ryan Phillips" , gregkh@suse.de, linux-usb-devel@lists.sourceforge.net, "Brown, Len" , linux-acpi@vger.kernel.org, "Mark Lord" , "Randy Dunlap" , jgarzik@pobox.com, linux-ide@vger.kernel.org, "Duncan" <1i5t5.duncan@cox.net>, "Pavlik Vojtech" , linux-input@atrey.karlin.mff.cuni.cz, "Meelis Roos" Subject: Re: 2.6.16-rc5: known regressions In-Reply-To: Your message of "Mon, 27 Feb 2006 17:04:15 +0800." <3ACA40606221794F80A5670F0AF15F840B0CE273@pdsmsx403> Date: Fri, 03 Mar 2006 02:59:22 +0000 From: Sanjoy Mahajan Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1831 Lines: 50 >> Subject : S3 sleep hangs the second time - 600X >> References : http://bugzilla.kernel.org/show_bug.cgi?id=5989 From: "Yu, Luming" > According to bug report, the BIOS DSDT is modified. I don't know > how these changes affect the results of suspend/resume. But, it is > clear this is NOT right approach to fix problem. Hence, I need the > testing report with un-modified DSDT on TP 600X, bios 1.11. I'll try it, although I don't think I'll get any data on the problem. The unmodified DSDT (bios 1.11) lacks an S3 sleep object, so I had to modify the DSDT even to get S3 to sleep at all. See for that discussion. In additional comment #4 there (2004-10-14), you said: The root cause of [the missing S3 object] failure is that linux is using element in const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { "\_S0_", "\_S1_", "\_S2_", "\_S3_", "\_S4_", "\_S5_" }; to call acpi_get_sleep_type_data, but your box define _S3 under the device PNP0A03. So, the evaluating \_S3 will fail. The workaround in DSDT is to change _S3 to \_S3_ . We can fix it in acpi driver soon. It looks unchanged in a recent acpi driver (drivers/acpi/utilities/utglobal.c, line 170, 2.6.16-rc2), so I suspect S3 won't happen with the vanilla DSDT. (Sorry, I was away for 10 days and also just saw your info requests in the bugme #5989.) -Sanjoy `Never underestimate the evil of which men of power are capable.' --Bertrand Russell, _War Crimes in Vietnam_, chapter 1. - 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/