Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751331AbWCPPPQ (ORCPT ); Thu, 16 Mar 2006 10:15:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751183AbWCPPPQ (ORCPT ); Thu, 16 Mar 2006 10:15:16 -0500 Received: from mraos.ra.phy.cam.ac.uk ([131.111.48.8]:17057 "EHLO mraos.ra.phy.cam.ac.uk") by vger.kernel.org with ESMTP id S1751331AbWCPPPO (ORCPT ); Thu, 16 Mar 2006 10:15:14 -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, "Brian Marete" , "Ryan Phillips" , gregkh@suse.de, "Brown, Len" , linux-acpi@vger.kernel.org, "Mark Lord" , "Randy Dunlap" , jgarzik@pobox.com, "Duncan" <1i5t5.duncan@cox.net>, "Pavlik Vojtech" , "Meelis Roos" Subject: Re: 2.6.16-rc5: known regressions [TP 600X S3, vanilla DSDT] In-Reply-To: Your message of "Thu, 16 Mar 2006 16:18:05 +0800." <3ACA40606221794F80A5670F0AF15F840B37A7EF@pdsmsx403> Date: Thu, 16 Mar 2006 15:15:10 +0000 From: Sanjoy Mahajan Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1564 Lines: 52 Bad news. It hangs when I do the usual stress test: echo 1 > THM0/polling_frequency sleep.sh sleep.sh The second sleep.sh hangs going to sleep. It is in an endless loop printing the following line, once per second (from the polling_frequency): Execute Method: [\_TZ_.THM0._TMP] (Node c157bf88) > Please also make sure you have vanilla DSDT $ grep DSDT /boot/config-2.6.16-rc5.fake-thermal_active+passive # CONFIG_ACPI_CUSTOM_DSDT is not set > vanilla Kernel, and just hacked acpi_thermal_active/passive. Only diff between pristine 2.6.16-rc5 tree and mine is: diff -rup /tmp/linux-2.6.16-rc5/drivers/acpi/thermal.c /usr/src/linux-2.6.16-rc5/drivers/acpi/thermal.c --- /tmp/linux-2.6.16-rc5/drivers/acpi/thermal.c 2006-02-27 00:09:35.000000000 -0500 +++ /usr/src/linux-2.6.16-rc5/drivers/acpi/thermal.c 2006-03-16 09:45:30.000000000 -0500 @@ -526,6 +526,8 @@ static void acpi_thermal_passive(struct ACPI_FUNCTION_TRACE("acpi_thermal_passive"); + return; + if (!tz || !tz->trips.passive.flags.valid) return; @@ -615,6 +617,8 @@ static void acpi_thermal_active(struct a ACPI_FUNCTION_TRACE("acpi_thermal_active"); + return; + if (!tz) return; -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/