From owner-freebsd-questions@FreeBSD.ORG Mon Mar 1 17:55:46 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 116A0106566B for ; Mon, 1 Mar 2010 17:55:46 +0000 (UTC) (envelope-from djackson452@gmail.com) Received: from mail-gx0-f211.google.com (mail-gx0-f211.google.com [209.85.217.211]) by mx1.freebsd.org (Postfix) with ESMTP id B29798FC23 for ; Mon, 1 Mar 2010 17:55:45 +0000 (UTC) Received: by gxk3 with SMTP id 3so514440gxk.13 for ; Mon, 01 Mar 2010 09:55:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=iA1GqLcgBf0oITpWuvNUwhwo0Fmr77xMpwmvOPe6rNM=; b=Wq6lafEyqU6Expow74A14j1mLJHRMqr8VpUsgEfnKh1CGijUXz8UgW/1b4U8S3dk3D xMV1yA7c9+UUKku0DAN4x4gMSYoTaFNqPc+Mw6u4bhpwmfGs72QSbw+tePlv7aO2FkBL akEr/4e/AW63Av8i8Aw0Gi6nm3NZdRNQD63Mo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; b=KhtjGkSpdP+lps8qi0vW36LuHJe1xDgCgVUBcvjmz+GN1tBBJV8RoIgqquQW2n2wIZ S5r37N81VfRXHrB6mWCYSyM1QQdoqZ3iYlSCCmGQCqhR71IsLwY0+fO+nAMt4k8elzZp i/ILNYt8IPC1r46xyM6JuNRAKBz9ercyUR29g= Received: by 10.100.30.29 with SMTP id d29mr6525302and.247.1267466138372; Mon, 01 Mar 2010 09:55:38 -0800 (PST) Received: from ?192.168.1.103? (pool-96-254-203-152.tampfl.fios.verizon.net [96.254.203.152]) by mx.google.com with ESMTPS id 15sm2693450gxk.10.2010.03.01.09.55.19 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 01 Mar 2010 09:55:22 -0800 (PST) Message-ID: <4B8BFED4.2000204@gmail.com> Date: Mon, 01 Mar 2010 12:52:20 -0500 From: David Jackson User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <4B8ACB0F.6020300@gmail.com> In-Reply-To: <4B8ACB0F.6020300@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: Lockups with USB disks on FreeBSD X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Mar 2010 17:55:46 -0000 David Jackson wrote: > I am currently using FreeBSD 8.0. I have been, for a long time, been > having problems with lockups of FreeBSD 8.0 when using USB hard disks. > Sometimes certain applications lock up for several minutes, when they > use the disk, file operations are very slow, and sometimes the entire > operating system can lock up for several minutes. This can be a pretty > painful thing and makes the system seem very unstable. I am using UFS > filesystems on the disks. It seems to happen on multiple disks that i > use. > > I was hopeful changes to the FreeBSD USB drivers might have improved > things but they are as bad as ever. > > Help is appreciated. > Are there perhaps diagnostic tools or an error log that can be enabled so I can see if maybe there is some sort of error occuring with the USB transmissions that might be causing this problem, or perhaps what part of the driver code it is getting locked up on?. Has anyone else experienced problems such as this with USB disks? If more information on my hardware is needed i will post dmesg output. Any help is appreciated.