From owner-freebsd-bugs@FreeBSD.ORG Sun Dec 12 11:19:12 2010 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7A31F1065672; Sun, 12 Dec 2010 11:19:12 +0000 (UTC) (envelope-from bruce@cran.org.uk) Received: from muon.cran.org.uk (muon.cran.org.uk [IPv6:2a01:348:0:15:5d59:5c40:0:1]) by mx1.freebsd.org (Postfix) with ESMTP id 08BB78FC1C; Sun, 12 Dec 2010 11:19:12 +0000 (UTC) Received: from muon.cran.org.uk (localhost [127.0.0.1]) by muon.cran.org.uk (Postfix) with ESMTP id 13495E63D4; Sun, 12 Dec 2010 11:19:11 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=cran.org.uk; h=date:from :to:cc:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; s=mail; bh=3jrH4sfzk/eV XcV6Dy+5wmQnkAI=; b=RdEYA0T2aOfNviIj5wHpkIAxcnuttu4QKj7HTa01O+SR kSYC1jEYoCQllxi9ToXqemsg4j42mFZD0hMuJWWAZ97A+RhGSbA2zdu/bKRngH03 pTLKwnQjkTw2dNfJZqUxjhwoqMV3bsvvuY8INtwazqRpyYoEPQW6wDJzwQlzyHE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=cran.org.uk; h=date:from:to :cc:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; q=dns; s=mail; b=AFYMbC 9lV1rYvAe536clTQqkE8JG8aDEb33J+HO3Mtux6g1DJ6GZaH5ApHF4Ydxi7bOT7L 2sVrzf1JbtC9HIgSwRM8ZrExgD+m/xNfslHnyHoJcojZG1VJ/irHV3/WQtKhKh3w Ot1GaW6TkMuprvTs7YNjwRMkfYimIym5aWBbY= Received: from core.draftnet (client-86-27-21-134.glfd.adsl.virginmedia.com [86.27.21.134]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by muon.cran.org.uk (Postfix) with ESMTPSA id 03108E63D3; Sun, 12 Dec 2010 11:19:09 +0000 (GMT) Date: Sun, 12 Dec 2010 11:18:44 +0000 From: Bruce Cran To: Alexander Best Message-ID: <20101212111844.7510053e@core.draftnet> In-Reply-To: <201012121110.oBCBABjm057751@freefall.freebsd.org> References: <201012121110.oBCBABjm057751@freefall.freebsd.org> X-Mailer: Claws Mail 3.7.7 (GTK+ 2.22.1; amd64-portbld-freebsd9.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/104624: Sound, mouse and keyboard badly interrupted while I/O (disk, net) X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Dec 2010 11:19:12 -0000 On Sun, 12 Dec 2010 11:10:11 GMT Alexander Best wrote: > i can confirm that a similar issue exists for me running a very > recent HEAD snapshot on amd64. when the disk is performing heavy i/o > (make -j8 buildworld e.g.) sound starts stuttering and the system > goes semi-responsive. mostly the mouse input (usb) is lagging, but > sometimes the cursor freezes in it's current position for 10 seconds > or so. There was a discussion recently where we noticed this problem appeared to occur mostly on systems with Intel Core 2 Duo CPUs. I've seen a login paused for over 5 seconds (between typing the password and the motd being displayed) due to an "svn up" on my laptop for example. -- Bruce Cran