From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753235AbXJIAw6 (ORCPT ); Mon, 8 Oct 2007 20:52:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751671AbXJIAwu (ORCPT ); Mon, 8 Oct 2007 20:52:50 -0400 Received: from terminus.zytor.com ([198.137.202.10]:56079 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751424AbXJIAwt (ORCPT ); Mon, 8 Oct 2007 20:52:49 -0400 Message-ID: <470AD0C2.9060709@zytor.com> Date: Mon, 08 Oct 2007 17:52:18 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Clemens Koller CC: Pavel Machek , tglx@linutronix.de, kernel list Subject: Re: sleepy linux 2.6.23-rc9 References: <20071008220506.GE3484@elf.ucw.cz> <470AC166.20705@anagramm.de> In-Reply-To: <470AC166.20705@anagramm.de> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Clemens Koller wrote: >> >> When I boot init=/bin/bash vga=791 (vesa framebuffer), most wakeups >> are caused by cursor painting (I should fix that some day, I >> guess). But... the cursor blinking does not even work properly! >> >> It blinks at normal speed, then (randomly) it blinks slowly, then gets >> back to normal speed, then inserts longer delay. > > Is the effect a beat that it has roughly the frequency of your Notebooks > screen refresh rate (60Hz)? (in german: Schwebung) > >> The effect is so nice that I thought about youtube ;-). Thinkpad >> x60.. question is, how to debug it? > > No idea... check where the register of the HW cursor blink rate > gets written? But as it seems to be so nice, please submit a patch > which enables this for all platforms. ;-) > For the VESA framebuffer I would assume the cursor blinking is done in software (if done at all.) -hpa