From owner-freebsd-hackers@FreeBSD.ORG Wed Jun 4 14:22:24 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3A8711065671 for ; Wed, 4 Jun 2008 14:22:24 +0000 (UTC) (envelope-from chuckr@telenix.org) Received: from mail3.sea5.speakeasy.net (mail3.sea5.speakeasy.net [69.17.117.5]) by mx1.freebsd.org (Postfix) with ESMTP id 1203C8FC1B for ; Wed, 4 Jun 2008 14:22:24 +0000 (UTC) (envelope-from chuckr@telenix.org) Received: (qmail 24841 invoked from network); 4 Jun 2008 14:22:23 -0000 Received: from april.chuckr.org (HELO april.telenix.org) (chuckr@[66.92.151.30]) (envelope-sender ) by mail3.sea5.speakeasy.net (qmail-ldap-1.03) with AES256-SHA encrypted SMTP for ; 4 Jun 2008 14:22:23 -0000 Message-ID: <4846A2E7.2060003@telenix.org> Date: Wed, 04 Jun 2008 10:12:55 -0400 From: Chuck Robey User-Agent: Thunderbird 2.0.0.6 (X11/20071107) MIME-Version: 1.0 To: Robert Watson References: <4845AC84.6040407@telenix.org> <20080603212355.GB64397@hoeg.nl> <20080604134830.D49920@fledge.watson.org> In-Reply-To: <20080604134830.D49920@fledge.watson.org> X-Enigmail-Version: 0.95.5 OpenPGP: id=F3DCA0E9; url=http://pgp.mit.edu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Ed Schouten , FreeBSD Hackers Subject: Re: git problems X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jun 2008 14:22:24 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Robert Watson wrote: > On Tue, 3 Jun 2008, Ed Schouten wrote: > >> * Chuck Robey wrote: >>> I am having problems with the git out of ports .... git-fetch keeps >>> on dumping core when I try update of xorg (the initial checkout works >>> ok). I'm running FreeBSD-current ... does anyone have any idea why >>> this might be? >>> >>> When I try to do a gdb -c corefile on the resulting core image, all i >>> get is a couple of thousand empty stack frames. Any idea why that >>> might be, also? >> >> I'm seeing this on HEAD, not RELENG_6. I don't have a backtrace >> nearby, but it seems to be crash inside free(). > > Application memory errors in HEAD but not in a RELENG_ branch are > frequently a symptom of an application bug unmasked by malloc(3) > debugging enabled in the development branch but not production > branches. It might not hurt to ramp up debugging on your 6.x install to > see if it starts crashing there was well -- see malloc(3) for details, > you'll want to create an appropriate malloc.conf. I didn't see the email where Ed Schouten commented about seeing my problems of seeing no good stack frames, but Robert, I run only -current here, not RELENG_6, so I can't do the testing you speak of. I would want to see if maybe our gcc on - -current might have been made with a default of emitting no stack frames, which I would guess might have this effect. I guess I could test this, and if it's so, recompile all my libraries to undo that, because I abhor doing things that utterly block any troubleshooting at a minimal savings elsewhere. > > Robert N M Watson > Computer Laboratory > University of Cambridge > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFIRqLnz62J6PPcoOkRAlhFAJsHrHTMVaFCdPcUha+1yaFOYyMxuACfY+ms jZRd8WCy9PFcwYICmg636y4= =4PYv -----END PGP SIGNATURE-----