From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#17598: Emacs pretest 24.3.91 - AIX - SIGSEV when customize Date: Wed, 28 May 2014 18:08:01 +0400 Message-ID: <5385EDC1.1040803@yandex.ru> References: <538386BB.8090501@cs.ucla.edu> <5384B167.8040704@cs.ucla.edu> <538594BD.7090108@yandex.ru> <5385B02C.4030208@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1401286173 21267 80.91.229.3 (28 May 2014 14:09:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 28 May 2014 14:09:33 +0000 (UTC) Cc: 17598@debbugs.gnu.org, Paul Eggert To: Gilles PION Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed May 28 16:09:26 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WpeXi-0001pt-Fq for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 28 May 2014 18:08:01 +0400 (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client certificate not present) X-Yandex-Uniq: e3981cda-4d4e-42c6-9beb-af6e0d0b1741 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1401286081; bh=lg+UC/wHYs7mU8Gt0ljTxGLdYGCMkPz4roSbxChyPd8=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=ROa25DrrIK5ejq72qzz+3h0OOtPpgnYppgB3f/qPiXfLsDi3kz9bdIFYmaZdk9HQB OPqvvz80K69Iem9l0JF5e0ezdSkx8rTkqpvidlTkW/ebVaCzzUCKexR+qVnOeRiDq/ peTy/VZTCB+u0NTrxBLhlDwWYUyf2gC5PGuCxHH4= Authentication-Results: smtp9.mail.yandex.net; dkim=pass header.i=@yandex.ru User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:89614 Archived-At: On 05/28/2014 04:13 PM, Gilles PION wrote: > $ MALLOCTYPE=debug MALLOEBUG=validate_ptrs ./emacs-24.3.91/src/temacs --no-site-file --no-init-file > Fatal error 11: Segmentation violationMemory fault Are there some more specific messages about memory-related errors? Most malloc debuggers can handle typical errors like double free or writing before begin / past end of block. It's almost impossible to understand what's wrong with #0 0xd013d94c in rightmost () from /usr/lib/libc.a(shr.o) #1 0xd013eb28 in free_y () from /usr/lib/libc.a(shr.o) #2 0xd0129a74 in free_common () from /usr/lib/libc.a(shr.o) #3 0xd11ff294 in XFreeFontNames@AF6_3 () from /usr/lib/libX11.a(shr4.o) without a solid cooperation from the malloc debugging facilities. And, as usual with weird problems, please try '-O0 -g3' (i.e. avoid any optimizations). Dmitry