From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/946 Path: news.gmane.org!not-for-mail From: Rich Felker Newsgroups: gmane.linux.lib.musl.general Subject: Re: hm, libc crashes loading libc Date: Sat, 2 Jun 2012 00:03:22 -0400 Message-ID: <20120602040322.GP163@brightrain.aerifal.cx> References: <9ab5e7d10a265901c54f6f71443a26f4@exys.org> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1338610101 24307 80.91.229.3 (2 Jun 2012 04:08:21 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 2 Jun 2012 04:08:21 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-947-gllmg-musl=m.gmane.org@lists.openwall.com Sat Jun 02 06:08:20 2012 Return-path: Envelope-to: gllmg-musl@plane.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) (envelope-from ) id 1SafdP-0005TG-3G for gllmg-musl@plane.gmane.org; Sat, 02 Jun 2012 06:08:15 +0200 Original-Received: (qmail 18192 invoked by uid 550); 2 Jun 2012 04:08:14 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Original-Received: (qmail 18184 invoked from network); 2 Jun 2012 04:08:13 -0000 Content-Disposition: inline In-Reply-To: <9ab5e7d10a265901c54f6f71443a26f4@exys.org> User-Agent: Mutt/1.5.21 (2010-09-15) Xref: news.gmane.org gmane.linux.lib.musl.general:946 Archived-At: On Sat, Jun 02, 2012 at 12:18:55AM +0200, aep wrote: > hashtab=0x0 sounds wrong, but how did it become zero? By GCC 4.7 randomly reordering memory accesses with no rhyme or reason. As discussed on IRC, this is GCC bug # 52734 and has nothing to do with musl. Anyone experiencing it and unable to replace the broken GCC can use the -fno-tree-tail-merge option as a workaround. Rich