From owner-freebsd-current@FreeBSD.ORG Sun Oct 5 23:57:59 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A98EF106568C for ; Sun, 5 Oct 2008 23:57:59 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from igloo.linux.gr (igloo.linux.gr [62.1.205.36]) by mx1.freebsd.org (Postfix) with ESMTP id 22DA78FC12 for ; Sun, 5 Oct 2008 23:57:58 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from kobe.laptop ([195.74.246.34]) (authenticated bits=128) by igloo.linux.gr (8.14.3/8.14.3/Debian-5) with ESMTP id m95Nvf5w011758 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 6 Oct 2008 02:57:47 +0300 Received: from kobe.laptop (kobe.laptop [127.0.0.1]) by kobe.laptop (8.14.3/8.14.3) with ESMTP id m95NvfDT073147; Mon, 6 Oct 2008 02:57:41 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by kobe.laptop (8.14.3/8.14.3/Submit) id m95Nvd5J073146; Mon, 6 Oct 2008 02:57:39 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) From: Giorgos Keramidas To: jos@catnook.com References: <20081004080511.GA72641@lizzy.catnook.local> <20081004161024.GA67323@nagual.pp.ru> <20081004222249.GA48928@lizzy.catnook.local> <48E80F02.4070309@freebsd.org> <20081005233256.GB8507@lizzy.catnook.local> Date: Mon, 06 Oct 2008 02:57:39 +0300 In-Reply-To: <20081005233256.GB8507@lizzy.catnook.local> (Jos Backus's message of "Sun, 5 Oct 2008 16:32:56 -0700") Message-ID: <877i8mioi4.fsf@kobe.laptop> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-MailScanner-ID: m95Nvf5w011758 X-Hellug-MailScanner: Found to be clean X-Hellug-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-3.725, required 5, autolearn=not spam, ALL_TRUSTED -1.80, AWL 0.67, BAYES_00 -2.60) X-Hellug-MailScanner-From: keramida@ceid.upatras.gr X-Spam-Status: No Cc: Andrey Chernov , Tim Kientzle , freebsd-current@freebsd.org Subject: Re: firefox3-bin crashes near arc4random_buf() X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Oct 2008 23:57:59 -0000 On Sun, 5 Oct 2008 16:32:56 -0700, Jos Backus wrote: > On Sat, Oct 04, 2008 at 05:49:06PM -0700, Tim Kientzle wrote: >> First, you need to share the first items in the >> backtrace, as they're more likely to be correct. >> I agree with Andrey that it looks like there's >> some stack corruption, so it's hard to trust >> anything except the first couple of entries. > > Attached is a tarball containing firefox3.gdb which has the full > output of `bt'. Unfortunately it doesn't tell me very much more. Unfortunately, tarballs are stripped off by the list software. Can you upload this online somewhere and point us to a URL? If the backtrace is not exceedingly large, you could also include it _inline_ in a message. >> You should also look at several independent core >> dumps and see how much the backtraces have in common. > > I watched it crash a bunch more times and the backtraces are the > same. That's good, right? :-) In a way :) It means that there is a semi-predictable bug that can be reproduced in a sufficiently `repeatable' manner. That's good, I guess.