From owner-freebsd-arm@FreeBSD.ORG Sun Jun 2 12:07:22 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 9694C283 for ; Sun, 2 Jun 2013 12:07:22 +0000 (UTC) (envelope-from andrew@fubar.geek.nz) Received: from nibbler.fubar.geek.nz (nibbler.fubar.geek.nz [199.48.134.198]) by mx1.freebsd.org (Postfix) with ESMTP id 7B7271052 for ; Sun, 2 Jun 2013 12:07:22 +0000 (UTC) Received: from bender.Home (unknown [176.252.108.73]) by nibbler.fubar.geek.nz (Postfix) with ESMTPSA id DD52C5E200; Sun, 2 Jun 2013 12:07:20 +0000 (UTC) Date: Sun, 2 Jun 2013 13:07:13 +0100 From: Andrew Turner To: Olivier Houchard Subject: Re: RFC: Patches with AXP support and pmap&smp fixes. Message-ID: <20130602130713.70b0b9f0@bender.Home> In-Reply-To: <20130506134129.GA60131@ci0.org> References: <517E8610.5050204@semihalf.com> <20130430142701.5bbfec2b@bender.lan> <20130430143311.GA71966@ci0.org> <518775B4.1010308@semihalf.com> <20130506134129.GA60131@ci0.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-arm@freebsd.org X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Jun 2013 12:07:22 -0000 On Mon, 6 May 2013 15:41:29 +0200 Olivier Houchard wrote: > On Mon, May 06, 2013 at 11:19:48AM +0200, Grzegorz Bernacki wrote: > > > > Hi, > > > > Our patch fixes only initialization of pcpu in pcpu_init(). In 4 > > cores setup it is possible the at least two cores simultaneously > > updating queue of pcpus which causes corruption. > > I am not aware of any other problems with SMP. Let us try setup > > with WITNESS enabled and we'll see if we have the same problem. > > Olivier, could you share your patch? In case we have the problem we > > would like to have it. > > > > Hi, > > Sure I will dust it off, and send it. Maybe not before Sunday though, > I'll be mostly MIA for the week. I'm quite interested in you guys > having a look at it. Did you manage to extract the patch? I don't remember seeing it. Andrew