From owner-freebsd-mips@FreeBSD.ORG  Mon Jan 27 15:36:40 2014
Return-Path: <owner-freebsd-mips@FreeBSD.ORG>
Delivered-To: freebsd-mips@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id C729F954
 for <freebsd-mips@freebsd.org>; Mon, 27 Jan 2014 15:36:40 +0000 (UTC)
Received: from mail-ie0-f172.google.com (mail-ie0-f172.google.com
 [209.85.223.172])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 8C9B91485
 for <freebsd-mips@freebsd.org>; Mon, 27 Jan 2014 15:36:40 +0000 (UTC)
Received: by mail-ie0-f172.google.com with SMTP id e14so6004702iej.17
 for <freebsd-mips@freebsd.org>; Mon, 27 Jan 2014 07:36:39 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20130820;
 h=x-gm-message-state:sender:subject:mime-version:content-type:from
 :in-reply-to:date:cc:content-transfer-encoding:message-id:references
 :to; bh=c4ClYMYLYRwzOfoQVhDTyibwTPL6WefHrRkTdzSNDEM=;
 b=en/ELZ0Eq1ec3uZOInAJj1altJLrz55to1weJrIy4D96TMKoKr7SU5J/BU0XYtobGf
 EXhpdA/sshCaVNClm3Ri6bkFpYCxXMfVHqV7RKEytxDanCV0j8BxbCK3Q7Fo9fNhUqtr
 2zPuDvtLSNgbcvGnxLx05r50mjz2kh9tcykiqOHiO4ZVZK72JeyKUYJf+fDESzCqWp5s
 2ZZZ/OJsi02/1CIe+xYVSTz/7qZbHkJl3+J87iDl9ZhQaCJg9rYHW0vp/xGyqqkHpBbo
 NccFJ0fo2BjUnmL/ZtQAFV3ni8f+QODkmJzxvj+ApPxuHfLwwjaW5MtpQNG+XGAKZp/V
 Y96Q==
X-Gm-Message-State: ALoCoQlMbrzQQxSFrOBWlY/OANu1Qy2X4Rg+QNVwQaUWVLlU8dQn0jMCpZwJGti9z704vD831uiS
X-Received: by 10.42.129.9 with SMTP id o9mr5265411ics.38.1390836999215;
 Mon, 27 Jan 2014 07:36:39 -0800 (PST)
Received: from fusion-mac.bsdimp.com
 (50-78-194-198-static.hfc.comcastbusiness.net. [50.78.194.198])
 by mx.google.com with ESMTPSA id d18sm45673720igz.0.2014.01.27.07.36.38
 for <multiple recipients>
 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
 Mon, 27 Jan 2014 07:36:38 -0800 (PST)
Sender: Warner Losh <wlosh@bsdimp.com>
Subject: Re: More trapframe panics
Mime-Version: 1.0 (Apple Message framework v1085)
Content-Type: text/plain; charset=us-ascii
From: Warner Losh <imp@bsdimp.com>
In-Reply-To: <CA+7sy7BEgvMNJKiR4bSSGZ_BE1T5W3Hujq8_2C6JjPC1bFwO6A@mail.gmail.com>
Date: Mon, 27 Jan 2014 08:36:37 -0700
Content-Transfer-Encoding: quoted-printable
Message-Id: <6354182D-B1D3-4B2E-BEEC-37A2A725A099@bsdimp.com>
References: <52E42A1B.3040907@rewt.org.uk>
 <CACVs6=--Qy_8poWdHdCXYKqkO22=dvHhW8=Uma8kLR+hCoZDxw@mail.gmail.com>
 <CA+7sy7ATMTjdWD5+NYCJPb=AWmeJoUwbgRdf=+b4uYsJO0UUfw@mail.gmail.com>
 <CACVs6=8ie2x16c4bafG4zaJS4UV+XT1ooJkm+dwT5+dSS+-p0Q@mail.gmail.com>
 <CA+7sy7BEgvMNJKiR4bSSGZ_BE1T5W3Hujq8_2C6JjPC1bFwO6A@mail.gmail.com>
To: "Jayachandran C." <c.jayachandran@gmail.com>
X-Mailer: Apple Mail (2.1085)
Cc: "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org>
X-BeenThere: freebsd-mips@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Porting FreeBSD to MIPS <freebsd-mips.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-mips>,
 <mailto:freebsd-mips-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-mips/>
List-Post: <mailto:freebsd-mips@freebsd.org>
List-Help: <mailto:freebsd-mips-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-mips>,
 <mailto:freebsd-mips-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 27 Jan 2014 15:36:40 -0000


On Jan 27, 2014, at 3:04 AM, Jayachandran C. wrote:
>=20
> It would be interesting to see the stacktrace when the overflow
> happens. If this is some specific driver or codepath, fixing that
> would be a better solution than to waste 8K per task.

I get it when I try to build security/sudo from ports on a freshly built =
-current. This was 100% reproducible in August or September (as well as =
earlier) on a mips64 build on my both of my Octeon boards...

Warner