From owner-freebsd-ppc@FreeBSD.ORG Tue Dec 7 16:48:59 2010 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4E1BD106564A; Tue, 7 Dec 2010 16:48:59 +0000 (UTC) (envelope-from chmeeedalf@gmail.com) Received: from mail-ey0-f178.google.com (mail-ey0-f178.google.com [209.85.215.178]) by mx1.freebsd.org (Postfix) with ESMTP id A7C198FC0C; Tue, 7 Dec 2010 16:48:58 +0000 (UTC) Received: by eyh5 with SMTP id 5so115931eyh.37 for ; Tue, 07 Dec 2010 08:48:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type; bh=9JOJGCwLp2A0LoevJ7YnG/pxT5fok9WwzdaXlTUQ5uU=; b=n83PGDj7UFdEJz9W1HU/zxqJp17jP6nZb0S7FzUpjJhe5hTRmM29+8PihXj1j0hTzm 1nXFhNYLFMKKetIGiw0qCh3Px/zz/QsmQ+7Y3gIkTEXNhiLW0ovGT5TnRrA0rA35ORLY hcQQUFknw0GkBceSDiN+lNDnyZ6KOe1690GWA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=ia7EcULumZMqR0HpvqCZVm5qZXO0GG+wfApJh5uEFjU/16OO5f8iSj/SXzZ0Ig6Veb 0wxYYDd259iANgENObv6eCOFMptFPK3rif/wGZ/xHGwyriyJVWg4A19bzkli2HJBoTvt oqu/WuDyjefoBko8S6KN6C8SsqYFuWVBGQdrI= MIME-Version: 1.0 Received: by 10.216.7.8 with SMTP id 8mr663007weo.30.1291740537487; Tue, 07 Dec 2010 08:48:57 -0800 (PST) Sender: chmeeedalf@gmail.com Received: by 10.216.6.136 with HTTP; Tue, 7 Dec 2010 08:48:57 -0800 (PST) In-Reply-To: References: Date: Tue, 7 Dec 2010 11:48:57 -0500 X-Google-Sender-Auth: sqqSUztWuWEMARH24qgVzLYX2XE Message-ID: From: Justin Hibbits To: Nathan Whitehorn Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: FreeBSD PowerPC ML Subject: Re: Kernel panic in moea_pvo_to_pte X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Dec 2010 16:48:59 -0000 On Tue, Dec 7, 2010 at 9:56 AM, Nathan Whitehorn wrote: > > On Dec 7, 2010, at 7:23 AM, Justin Hibbits wrote: > > Since I started rebuilding ports yesterday, I've been hit by this panic >> (copied from a low-res camera): >> >> panic: moea_pvo_to_pte: pvo 0x17e6810 pte does not match pte 0x26e0740 in >> moea_pteg_table >> >> 0xe52f68a0: at panic+0x13c >> 0xe52f68f0: at moea_pvo_to_pte+0x154 >> 0xe52f6910: at moea_pvo_remove+0x20 >> 0xe52f6930: at moea_remove+0x94 >> 0xe52f6960: at pmap_remove+0x80 >> 0xe52f6980: at vm_map_delete+0x1d0 >> 0xe52f69e0: at vm_map_remove+0x74 >> 0xe52f6a00: at vmspace_exit+0x108 >> 0xe52f6a30: at exit1+0x48c >> 0xe52f6a70: at sys_exit+0x1c >> 0xe52f6a80: at syscallenter+0x258 >> ... >> >> The svn version is r215752, I'm currently building r216254 hoping that >> might >> fix something. This panic seems to occur after about 1-2 hours of ports >> building, so is reproducible to me. I also have the crash dumps available >> (2). >> > > This is a serious bug. Could you rebuild the kernel with the attached > patch? That should provide some information on why the kernel has triggered > this panic. Also, could you provide some more details on your system? I'm > guessing it is some variety of G4, but knowing the specific CPU model and > whether it is SMP would be very helpful. > -Nathan > I'll apply this patch when I get home, seems the machine has crashed yet again while building X :/ Machine details: It is a G4. MPC7455 single CPU, 2GB RAM (MDD single 1.25GHz). - Justin