From owner-freebsd-current@FreeBSD.ORG Wed Nov 2 15:07:41 2005 Return-Path: X-Original-To: FreeBSD-current@freebsd.org Delivered-To: FreeBSD-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2FB2A16A41F; Wed, 2 Nov 2005 15:07:41 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8DC6B43D45; Wed, 2 Nov 2005 15:07:40 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from localhost (localhost.village.org [127.0.0.1] (may be forged)) by harmony.bsdimp.com (8.13.3/8.13.3) with ESMTP id jA2F5BKO035791; Wed, 2 Nov 2005 08:05:11 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Wed, 02 Nov 2005 08:05:25 -0700 (MST) Message-Id: <20051102.080525.63054093.imp@bsdimp.com> To: grog@freebsd.org From: "M. Warner Losh" In-Reply-To: <20051101073157.GE18710@wantadilla.lemis.com> References: <20051101070259.GC18710@wantadilla.lemis.com> <4367150C.4030508@mawer.org> <20051101073157.GE18710@wantadilla.lemis.com> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Wed, 02 Nov 2005 08:05:12 -0700 (MST) Cc: FreeBSD-current@freebsd.org, fbsd-current@mawer.org Subject: Re: Really poor performance on /dev/ttyv* only 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: Wed, 02 Nov 2005 15:07:41 -0000 In message: <20051101073157.GE18710@wantadilla.lemis.com> "Greg 'groggy' Lehey" writes: : On Tuesday, 1 November 2005 at 18:11:08 +1100, Antony Mawer wrote: : > On 1/11/2005 6:02 PM, Greg 'groggy' Lehey wrote: : >> I've just installed -CURRENT on a Dell Inspiron 6000, and I discover : >> that the keyboard response on virtual terminals (/dev/ttyv*) is very : >> slow. If I keyboard repeat, the echo to the terminal is jerky, about : >> 3 or 4 characters at a time with a marked delay in between. Under X : >> or over the network there's no problem. Has anybody else seen this? : >> The kernel isn't 100% GENERIC (I've disabled WITNESS and : >> WITNESS_SKIPSPIN, for example), but I can't see anything that would : >> explain this behaviour. : > : > I've seen this on two FreeBSD 4.7 systems connected via a KVM (sharing : > with two Windows 2003 servers)... typing at the console of them was : > almost like typing via ssh on a satellite connection. Connecting via ssh : > was fine, it was only locally that it was a problem. Resetting the : > keyboard repeat rate on BSD had no discernible impact. : : I'd guess that this is a different situation. FWIW, the Inspiron : series are laptops, and this is at the keyboard. The machine is brand : new, and I've never had another version of FreeBSD on it, but I : suspect it's -CURRENT rather than the laptop. I don't see it on my current laptop. It must at least be a combination. Maybe you could track down what the problem is? Warner