From owner-freebsd-current@FreeBSD.ORG Sun Oct 18 17:14:49 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CF541106568D for ; Sun, 18 Oct 2009 17:14:49 +0000 (UTC) (envelope-from yr.retarded@gmail.com) Received: from mail-ew0-f218.google.com (mail-ew0-f218.google.com [209.85.219.218]) by mx1.freebsd.org (Postfix) with ESMTP id 66A238FC18 for ; Sun, 18 Oct 2009 17:14:49 +0000 (UTC) Received: by ewy18 with SMTP id 18so3205833ewy.43 for ; Sun, 18 Oct 2009 10:14:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=LJUZSoh3AIMkh56XfYnBS6X6NgT/ZN9qdpuCJklwO7A=; b=Uubh3z6ARik0RlG3vhck28YTX5nUp21FyxpjNO0b4jUwuxxj+6JhVJisb5mP0t8s+g FbzfnUDQC5FOX4rAgRwC/IGuztOU/wXMEqE/2VBr1Nyoo3k8FenlwYYI/InnupOaumjE Jv8wYxXpQXhN4zU28M+u/wQ7Vxrc4ERbkCoyI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=ZnHxnbBRlVOM7Ops62kIhTQNWtDqkVdSvIMFmzLxzPYTlovYYEaY0fH7ONguITjn9y /SS5zMLD2EzhAzBtiO9cNG2KuAZsusgUaU7qJaF9In2wBqgvERsfh0Dsq4G55VqLjPYq 01VTPTV/eB2LLi/8VEZl76q+dlmfxfteZr5m4= MIME-Version: 1.0 Received: by 10.211.146.18 with SMTP id y18mr3782068ebn.55.1255886088460; Sun, 18 Oct 2009 10:14:48 -0700 (PDT) In-Reply-To: <200910181450.11838.shoesoft@gmx.net> References: <200909051806.07692.hselasky@c2i.net> <20090905182929.GB2829@hoeg.nl> <200910181450.11838.shoesoft@gmx.net> Date: Sun, 18 Oct 2009 12:14:48 -0500 Message-ID: <58c737d70910181014u7c32ffd2s8c0732a707d40a2f@mail.gmail.com> From: Chris Ruiz To: Stefan Ehmann Content-Type: text/plain; charset=ISO-8859-1 Cc: Ed Schouten , freebsd-current@freebsd.org, Hans Petter Selasky Subject: Re: ukbd: short freeze when activating LEDs X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Oct 2009 17:14:49 -0000 On Sun, Oct 18, 2009 at 7:50 AM, Stefan Ehmann wrote: > On Saturday 05 September 2009 20:29:29 Ed Schouten wrote: >> * Hans Petter Selasky wrote: >> > On Saturday 05 September 2009 16:32:55 Stefan Ehmann wrote: >> > > Whenever I press capslock/numlock, the system shortly (< 0.5 ms) >> > > freezes. >> > >> > It might also be because the USB keyboard driver is using Giant, which >> > can be congested. >> >> For half a second? I experience the same issue. I also have the same >> issue with the Syscons VGA driver when switching windows. Some time ago >> I talked about this with some other people and it may be possible it has >> something to do with SMIs. Not sure... >> > > Recently, I got an off-list response pointing me the "Other" section of > http://wiki.freebsd.org/BugBusting/Commonly_reported_issues: > "When switching consoles (e.g. Alt-F2 to switch to ttyv1), a 2-3 second delay > is experienced" > > The suggested workaround (hint.kbdmux.0.disabled="1") also helps in my case. > So it's not necessarily USB-related. I'm my experience the "switching consoles" delay goes away when you remove atkbd and related options from your kernel if you only have a usb keyboard. I don't have that delay with kbdmux left compiled in. The delay most likely has something to do with locking, re: GIANT. -- Chris ----------------------------------------- http://twitter.com/chrisattack http://chrisattack.com