From owner-freebsd-arm@FreeBSD.ORG Mon Jul 6 10:35:45 2009 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D73341065670 for ; Mon, 6 Jul 2009 10:35:45 +0000 (UTC) (envelope-from mih@semihalf.com) Received: from smtp.semihalf.com (smtp.semihalf.com [213.17.239.109]) by mx1.freebsd.org (Postfix) with ESMTP id 7BF378FC19 for ; Mon, 6 Jul 2009 10:35:45 +0000 (UTC) (envelope-from mih@semihalf.com) Received: from [10.0.0.43] (cardhu.semihalf.com [213.17.239.108]) by smtp.semihalf.com (Postfix) with ESMTPSA id 3C160C3AAA; Mon, 6 Jul 2009 12:34:38 +0200 (CEST) Message-ID: <4A51D398.9070104@semihalf.com> Date: Mon, 06 Jul 2009 12:36:08 +0200 From: Michal Hajduk User-Agent: Mozilla-Thunderbird 2.0.0.19 (X11/20090103) MIME-Version: 1.0 To: Stanislav Sedov References: <4A51BFF6.4090401@semihalf.com> <20090706134612.5cf860e4.stas@FreeBSD.org> In-Reply-To: <20090706134612.5cf860e4.stas@FreeBSD.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Cc: tinguely@casselton.net, freebsd-arm@freebsd.org Subject: Re: pmap problem in FreeBSD current X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Jul 2009 10:35:46 -0000 Stanislav Sedov wrote: > On Mon, 06 Jul 2009 11:12:22 +0200 > Michal Hajduk mentioned: > > >> Hello Mark, >> >> While testing EHCI (FreeBSD 8-current with new USB-stack) on >> ARM machine I have found some problem probably related to >> svn commit *194459* >> http://svn.freebsd.org/viewvc/base?view=revision&revision=194459 >> With compiled USB-stack I had vm_fault: >> >> > > Hi, Michal! > > This is the known problem and we currently working on fixing it. It > looks like that r194459, while certainly good, uncovered a memory > corruption problem in ARM code. As a workaround you can revert > r194459 for now. > > Hi, Stanislav! Thank you for answering. Could you tell something more about this memory corruption problem in ARM code? Have you found which part of FreeBSD code is responsible for this, and what do you think about LORs related to r194459? Best regards, MichaƂ Hajduk