From owner-freebsd-stable@FreeBSD.ORG Tue Nov 29 20:54:13 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 402E6106564A for ; Tue, 29 Nov 2011 20:54:13 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 16EB38FC17 for ; Tue, 29 Nov 2011 20:54:13 +0000 (UTC) Received: from bigwig.baldwin.cx (bigwig.baldwin.cx [96.47.65.170]) by cyrus.watson.org (Postfix) with ESMTPSA id A752B46B46; Tue, 29 Nov 2011 15:54:12 -0500 (EST) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 3D743B946; Tue, 29 Nov 2011 15:54:12 -0500 (EST) From: John Baldwin To: Mike Andrews Date: Tue, 29 Nov 2011 15:54:11 -0500 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p8; KDE/4.5.5; amd64; ; ) References: <201111291050.30016.jhb@freebsd.org> <4ED5403F.6050401@bit0.com> In-Reply-To: <4ED5403F.6050401@bit0.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201111291554.11759.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Tue, 29 Nov 2011 15:54:12 -0500 (EST) Cc: freebsd-stable@freebsd.org, Jack Vogel Subject: Re: Sporadic 9.0-RC2 boot-time panic X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Nov 2011 20:54:13 -0000 On Tuesday, November 29, 2011 3:27:43 pm Mike Andrews wrote: > On 11/29/2011 10:50 AM, John Baldwin wrote: > > On Monday, November 28, 2011 5:37:27 pm Mike Andrews wrote: > >> *Sometimes* when booting 9.0-RC2 on *some* of my machines, I'll get one of > >> the following two panics during multiuser startup, usually while running > >> the /usr/local/etc/rc.d scripts. (The instruction pointer is always > >> exactly one of these two, and they look fairly related.) If after two or > >> three reboots it manages to not panic, the system will run perfectly > >> stable. > >> > >> For some probably-unrelated reason, the dump never finishes in either case. > >> > >> First panic (note em0 warning before it): > >> ----- > >> em0: discard frame w/o packet header > > This is odd. I see one bug that could possibly trigger this, but not on > > x86: > > This is amd64, which of course depending on what you meant by "not on > x86" may or may not be the same thing ;-) x86 == (amd64 | i386) :) -- John Baldwin