From owner-freebsd-scsi@FreeBSD.ORG Wed Apr 28 20:12:52 2010 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9810E106564A; Wed, 28 Apr 2010 20:12:52 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-ew0-f224.google.com (mail-ew0-f224.google.com [209.85.219.224]) by mx1.freebsd.org (Postfix) with ESMTP id C83448FC1F; Wed, 28 Apr 2010 20:12:51 +0000 (UTC) Received: by ewy24 with SMTP id 24so4679723ewy.33 for ; Wed, 28 Apr 2010 13:12:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=KFSXfE729MXBYt1OU/QJBsqiLXTMKoBQ3wRmXoTjnho=; b=HWfOZokoTjoF6GSEw186IorNT9g9QhMKBM/rAc9X7vI3wJYCWvE3/Y5txnhSM0DxNj FUAFIEQEBMJNQWYP+svB/birfd5l3Vx5jeEyFesg4oPNUivwp/shGP5GKKDyBbejrqz3 g90XueIfZlET1VJDzXG9PhA+Oj7oOi4HqTu6U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=hErb7r9n045z+4+CBz3Mc+HjhfUX48jUxLlsPpgQrvNO7IGnuD/6GNNNgcFw+tqSl4 BmclkJmre4wasgA0CuEGc3xN6UnawDGSxEnmseNbSycMVcaFba09JYxbt9YbvQiOjrdC hnRpHHW0UhofuGfVeFrcZ9wkgpkMyOHLEUS2c= Received: by 10.103.133.7 with SMTP id k7mr4387382mun.128.1272485565627; Wed, 28 Apr 2010 13:12:45 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id e8sm746290muf.39.2010.04.28.13.12.41 (version=SSLv3 cipher=RC4-MD5); Wed, 28 Apr 2010 13:12:42 -0700 (PDT) Sender: Alexander Motin Message-ID: <4BD896AC.4080509@FreeBSD.org> Date: Wed, 28 Apr 2010 23:12:28 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.24 (X11/20100402) MIME-Version: 1.0 To: Pete French References: In-Reply-To: X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 7bit Cc: freebsd-scsi@freebsd.org, scottl@FreeBSD.org, freebsd-stable@freebsd.org Subject: Re: MFC of "Large set of CAM improvements" breaks I/O to Adaptec 29160 SCSI controller X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Apr 2010 20:12:52 -0000 Pete French wrote: >> I have some 29160N locally and I'll try to reproduce this. > > I would suggest you try gmirror across two drives - that is how > both myself and the original poster first noticed the issue. Thanks. First step successful - I can steadily reproduce problem on CURRENT. raidtest with 200 I/O streams over gmirror of two disks on same channel triggers issue in seconds. Any I/O on channel dying after both disks report "Queue full" error same time. The rest of system works fine. If I preliminarily manually adjust queue depth of one disk - everything works fine. I'll investigate it tomorrow. -- Alexander Motin