From owner-svn-src-head@FreeBSD.ORG Thu Mar 4 07:30:09 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 71AD5106564A; Thu, 4 Mar 2010 07:30:09 +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 A2F578FC16; Thu, 4 Mar 2010 07:30:08 +0000 (UTC) Received: by fxm23 with SMTP id 23so959650fxm.3 for ; Wed, 03 Mar 2010 23:30:03 -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=xRfLFwt/MuPYK+idYudrvapsy7Le28gOXI8CemxUf68=; b=UM5JlJuInT3XBM3FS3F3gn/fPeZW7OjSm4cXZdmYN988mvNZuBK4G3IvmiM/XPTWkz HzJ5YUEeXip7Omp2ckcLWIpP/e7YherHq/zRwKDwKyw6iI5qfOP2jnSy81kv/uWKC6ys 0IHIkPl5t/2xhpSyIME9tF3AKGucBrV/Q5Ors= 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=C92BytwuqBe/8Ypn/lCyuPEHlXS/XUkHltt4XaXv6aDWlw3it+9FL5lOX8ttaRzAf0 gdsbiowf+uf7W4QOtf5eUbv0YVf5dA/c95yPRFwccP0C8Rw5D332/zO0YMPneTGTnn97 FcJJGLjtrmIdpLxJ7JaDwuhEZCwZXQKNSK+KI= Received: by 10.223.100.216 with SMTP id z24mr2454036fan.5.1267687803637; Wed, 03 Mar 2010 23:30:03 -0800 (PST) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id 16sm154993fxm.15.2010.03.03.23.30.01 (version=SSLv3 cipher=RC4-MD5); Wed, 03 Mar 2010 23:30:02 -0800 (PST) Sender: Alexander Motin Message-ID: <4B8F6177.1090703@FreeBSD.org> Date: Thu, 04 Mar 2010 09:29:59 +0200 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Scott Long References: <201003031758.o23HwfnD023194@svn.freebsd.org> <4B8EC54E.4050705@fsn.hu> <4B8EC9E0.6050703@FreeBSD.org> In-Reply-To: X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, Attila Nagy , 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: Thu, 04 Mar 2010 07:30:09 -0000 Scott Long wrote: > On Mar 3, 2010, at 1:43 PM, Alexander Motin wrote: >> 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. > > If you don't know, then please ask the people who maintain the code. For last two years CVS shows mostly you. And you are already here. So do you have some opinion? -- Alexander Motin