From owner-freebsd-mips@FreeBSD.ORG Wed Apr 28 11:58:27 2010 Return-Path: Delivered-To: freebsd-mips@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 30EB61065695; Wed, 28 Apr 2010 11:58:27 +0000 (UTC) (envelope-from rrs@lakerest.net) Received: from lakerest.net (unknown [IPv6:2001:240:585:2:213:d4ff:fef3:2d8d]) by mx1.freebsd.org (Postfix) with ESMTP id A77F18FC15; Wed, 28 Apr 2010 11:58:26 +0000 (UTC) Received: from [10.1.1.53] ([10.1.1.53]) (authenticated bits=0) by lakerest.net (8.14.3/8.14.3) with ESMTP id o3SBwPBZ019311 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 28 Apr 2010 07:58:25 -0400 (EDT) (envelope-from rrs@lakerest.net) DKIM-Signature: a=rsa-sha1; c=simple/simple; d=lakerest.net; s=mail; t=1272455906; h=Cc:Message-Id:From:To:In-Reply-To:Content-Type: Content-Transfer-Encoding:Mime-Version:Subject:Date:References: X-Mailer; b=YaE4F9UCh/+jyFWnKAl07j4pFPU/u7Bfmj24YTQuzGulUKjDdw8Cn1Y pVKHYvqR6GTw1aADV9WPFo2mKn0Pqvg== Message-Id: From: Randall Stewart To: Rui Paulo In-Reply-To: <8DA4B46E-7923-4C01-9345-75C7A598C023@freebsd.org> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v936) Date: Wed, 28 Apr 2010 04:58:25 -0700 References: <6BDB3874-D779-45A6-ABAE-4C331D78A189@lakerest.net> <7BEFA3F5-97AE-477C-9DD3-EF1C4B7DCEB0@freebsd.org> <3820374E-010D-40EA-A596-4AF1694B4119@freebsd.org> <8DA4B46E-7923-4C01-9345-75C7A598C023@freebsd.org> X-Mailer: Apple Mail (2.936) Cc: freebsd-mips@freebsd.org Subject: Re: SMP support for XLR processors. X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Apr 2010 11:58:27 -0000 Yeah, There are still lots of issues with the SMP patches... Have you tested without PREEMPTION? Note that I still get a crash without it.. but its centered in an IPI with a spin-lock held to long during a buildworld -j16 R On Apr 28, 2010, at 4:45 AM, Rui Paulo wrote: > On 26 Apr 2010, at 20:39, C. Jayachandran wrote: > >> On Tue, Apr 20, 2010 at 4:42 PM, Rui Paulo >> wrote: >>> On 20 Apr 2010, at 12:06, C. Jayachandran wrote: >>>> I'm not seeing the issue here(my output for ref below). The rge >>>> patch >>>> should not really make a difference - but it will be good to try >>>> with >>>> that. The only other difference I can think of between our >>>> configs is >>>> MFS root/NFS root and rge0/rge1 - but none of these should affect >>>> the >>>> message ring threads. Can you send me the config you use? >>> >> ... >>> I use the basic XLR config with some mods: >>> +options PREEMPTION # Enable kernel thread >>> preemption >> ... >> >> As Randall said, this may be the issue, I haven't had much time to >> look at this, since I'm still looking at another issue. Do you still >> have the issue without PREEMPTION? > > Just tested on the most recent HEAD and yes I still have the issue :-( > > Regards, > -- > Rui Paulo > > ------------------------------ Randall Stewart 803-317-4952 (cell) 803-345-0391(direct)