From owner-freebsd-mips@FreeBSD.ORG Wed Feb 10 07:58:25 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 54185106568B for ; Wed, 10 Feb 2010 07:58:25 +0000 (UTC) (envelope-from c.jayachandran@gmail.com) Received: from mail-pz0-f202.google.com (mail-pz0-f202.google.com [209.85.222.202]) by mx1.freebsd.org (Postfix) with ESMTP id 295428FC0A for ; Wed, 10 Feb 2010 07:58:24 +0000 (UTC) Received: by pzk40 with SMTP id 40so9363pzk.7 for ; Tue, 09 Feb 2010 23:58:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=5E2GBGZe65pyqtn+9j5KFDVytFtCti87ADs9+2ZYBjE=; b=c6OsseFlpx41BZCTYJhgSC/PvIAkUZVKu6T2FyRv3CnuTIPI1JxxahwCxF3tZyyGA9 JMBEbi9aV8MYcR3smakui7yniguPh3alpvLh6MVSeNheVUEAMXztWGtUYw5ybJjAcU+3 PtfLJOVzrjPi2e6hncmMroN6lXX2D1q7qHTPc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=SPBHHqpf8ut1tI87OH9QJ2IzwUw0UPLlAj2+jH7S+WXQ+wN7w1miKaRJlCRGLDE6rj 169Iknyj8whVhLyaooTdaDO30uKSXCdNL+vXgMPaMx52VHEwPKHuBFbG1YOBeoR4Z95Y 9QGmPjpbOReA0l+czW5ShhTsaP6LsV0lyQyA0= MIME-Version: 1.0 Received: by 10.140.252.5 with SMTP id z5mr6395750rvh.256.1265788704566; Tue, 09 Feb 2010 23:58:24 -0800 (PST) In-Reply-To: References: <98a59be81002092343w74ef718l148f0f6d683285c4@mail.gmail.com> Date: Wed, 10 Feb 2010 13:28:24 +0530 Message-ID: <98a59be81002092358u1765b9efp640adc8a606a2963@mail.gmail.com> From: "C. Jayachandran" To: Neel Natu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-mips@freebsd.org Subject: Re: Fix for buildworld hang on XLR 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, 10 Feb 2010 07:58:25 -0000 On Wed, Feb 10, 2010 at 1:23 PM, Neel Natu wrote: > On Tue, Feb 9, 2010 at 11:43 PM, C. Jayachandran > wrote: >> Hi Randall, >> >> Looks like the buildworld hang was caused by a bug in the GMAC driver. >> In some cases an additional zero length descriptor was getting added >> to the descriptor list which makes the GMAC go into underrun >> condition. =A0Can you see if this fix works for you? >> >> The patch is at http://sites.google.com/site/cjayachandran/files/rge.c.d= iff >> >> I still get a crash in pmap_enter during buildworld after quite a long >> time. It seems that de-referencing the pte in some cases crashes. I'm >> looking at it. >> > > How much memory do you have installed on your system? Is any of that > memory mapped above 512MB (physical)? It is a 4GB memory system, and there is memory over 512MB. I'm sill new to this pmap subsystem, so will need some to understand this. JC.