From owner-freebsd-stable@FreeBSD.ORG Tue Nov 16 16:55:15 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C7C55106566C; Tue, 16 Nov 2010 16:55:15 +0000 (UTC) (envelope-from christer.solskogen@gmail.com) Received: from mail-px0-f182.google.com (mail-px0-f182.google.com [209.85.212.182]) by mx1.freebsd.org (Postfix) with ESMTP id 92F2B8FC13; Tue, 16 Nov 2010 16:55:15 +0000 (UTC) Received: by pxi1 with SMTP id 1so210862pxi.13 for ; Tue, 16 Nov 2010 08:55:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=Gf3Bp7EVyvpsnkIGdBWxjtMI7f8IZZRcukRty1ao4Ts=; b=kh4lY0/sYY5A6I9sh0iuK6ckVZ1mIxaux2dZXanh/q0UKm0KBiFChUm2fLuff6269E f/yJqjqTkEHTeG+Iw3LgB8w/pVAG+VDuUAhTv3hNW897cHwN2VJ9pHQahOtQivMwzC6g V9+epgxIj/vYmvpLYHNgoCrHjDtDmuo1O5QWI= 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=dOSX5THi4cfeyOFvY9X34iOLfIt9zvYHR1t+mD8gKF+MqgYOXWJdtpnb+MkGOJzLoa gsuh4ILH1OXG10a7a1ASO/DFphGryJMoCXMtk0HBwIofeBu3qGskAWAnlSKvzxRUd/N5 Axv2bOtwK/27G5uXYiUSETRuntMktmVBfQIAI= MIME-Version: 1.0 Received: by 10.229.95.11 with SMTP id b11mr6505264qcn.174.1289926514473; Tue, 16 Nov 2010 08:55:14 -0800 (PST) Received: by 10.229.231.81 with HTTP; Tue, 16 Nov 2010 08:55:14 -0800 (PST) In-Reply-To: <20101116125431.GA90475@icarus.home.lan> References: <20101116003029.GC79816@numachi.com> <20101116125431.GA90475@icarus.home.lan> Date: Tue, 16 Nov 2010 17:55:14 +0100 Message-ID: From: Christer Solskogen To: Jeremy Chadwick Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-stable@freebsd.org, Ivan Voras Subject: Re: "High" cpu usage when using ZFS cache device X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Nov 2010 16:55:15 -0000 On Tue, Nov 16, 2010 at 1:54 PM, Jeremy Chadwick wrote: > Since you're running 8.1-RELEASE, can you please test this issue on > RELENG_8 (8.1-STABLE) and see if it exists there? > Sure, I could do that. 8.2-RELEASE isn't that far away, is it? But I think that Alexander should get the necessary info first (since he is the ZFS expert ;-) I also have another machine which I can installed it to. I just have to verify if that machine also have the same problem. It might be the usb stick (but I doubt that), it might be something with cache device on usb when using raidz, it might be anything else. -- chs,