From owner-svn-src-head@FreeBSD.ORG Wed Mar 3 20:43:25 2010 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 215F7106566B; Wed, 3 Mar 2010 20:43:25 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-fx0-f223.google.com (mail-fx0-f223.google.com [209.85.220.223]) by mx1.freebsd.org (Postfix) with ESMTP id 580138FC08; Wed, 3 Mar 2010 20:43:23 +0000 (UTC) Received: by fxm23 with SMTP id 23so480427fxm.3 for ; Wed, 03 Mar 2010 12:43:16 -0800 (PST) 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=/mmEB7mDX+bi90Kwkq3CCo0D25iasausdtDs4MVzw6s=; b=ceyYKSmGpQ6DGdo7BU+rksrKR3yGXwa7UYBQL/0d1J41B+xXI+vedwdwcZjq+fGYNt OwuW0W3o5VOj5bW8Jc/f1TEX6A5jMzX9Cv5+eTX9tHJZkULSvPs7fkp67VpaKcERl0y4 5Fz4b4wkhyLrxnlP7GpPVC/fmS7YzDyOWbdEE= 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=ViYVwEJVPszwpiD8l5OZTxVZ2O3YDRXr/yhdifT4ueCrc85oKTs4ZvPhV4KGmofbMd yyT30SlnmLDXlL3VBZcXDN7PX2B2RCSXIW8sIe+z7FlweuidOPbDkpjxnWZU7oQU2qaY oK+9LMOkIZbmGnZgjpBt00b/KCQdNIs3BUIcw= Received: by 10.223.5.212 with SMTP id 20mr8947948faw.19.1267648996721; Wed, 03 Mar 2010 12:43:16 -0800 (PST) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id 13sm3917727fxm.6.2010.03.03.12.43.15 (version=SSLv3 cipher=RC4-MD5); Wed, 03 Mar 2010 12:43:15 -0800 (PST) Sender: Alexander Motin Message-ID: <4B8EC9E0.6050703@FreeBSD.org> Date: Wed, 03 Mar 2010 22:43:12 +0200 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Attila Nagy References: <201003031758.o23HwfnD023194@svn.freebsd.org> <4B8EC54E.4050705@fsn.hu> In-Reply-To: <4B8EC54E.4050705@fsn.hu> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r204648 - head/sys/dev/ciss X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Mar 2010 20:43:25 -0000 Attila Nagy wrote: > Alexander Motin wrote: >> Author: mav >> Date: Wed Mar 3 17:58:41 2010 >> New Revision: 204648 >> URL: http://svn.freebsd.org/changeset/base/204648 >> >> Log: >> Several changes to fix livelock under high load, introduced by r203489: >> - change the way in which command queue overflow is handled; >> - do not expose to CAM two command slots, used for driver's internal purposes; >> - allow driver to use up to 1024 command slots, instead of 256 before. >> > Thank you for hunting this bug down. Do you plan to increase the maximum > logical device limit as well? Not sure. I just have no idea why this limitation was enforced. Even if I personally don't see problems from increasing it, it would be nice if somebody more aware of this driver tell whether it is correct for all supported hardware. I just don't have any. Thank you for provided access. If nobody responds, we may try our luck in CURRENT. -- Alexander Motin