From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: fans not working after suspend to disk on nc-4000 and nc-8000 Date: Sat, 10 Sep 2005 23:55:53 +0200 Message-ID: <20050910215552.GA2463@openzaurus.ucw.cz> References: <20050907183218.GA773@openzaurus.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Miklos Szeredi Cc: pavel-+ZI9xUNit7I@public.gmane.org, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi! > > > Unloading the ACPI modules before suspend, and reloding them after > > > resume doesn't help. > > > > > > Setting /proc/acpi/thermal_zone/TZ1/polling_frequency to some > > > value after resume _sometimes_ helps, but not reliably. > > > > Does echo 0/3 > /proc/acpi/fan/*/state still work after resume? > > Yes. > > > Is kacpid looping after resume? > > No. > > > Is /proc/a*/thermal*/*/temperature still showing believable values? > > Yes. Perfectly normal. Okay, so ACPI is basically okay, but fan driver is confused. You need to add code to handle suspend and resume into fan.c. Probably force everything on for suspend, and sync it with software expectations after resume. -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf