From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Juanma Barranquero" Newsgroups: gmane.emacs.bugs Subject: bug#872: Crash displaying byte-code Date: Wed, 3 Sep 2008 18:06:12 +0200 Message-ID: Reply-To: Juanma Barranquero , 872@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1220459286 22000 80.91.229.12 (3 Sep 2008 16:28:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 3 Sep 2008 16:28:06 +0000 (UTC) To: "Emacs Bug Tracker" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Sep 03 18:29:00 2008 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KavDw-0005PG-HE for geb-bug-gnu-emacs@m.gmane.org; Wed, 03 Sep 2008 18:28:52 +0200 Original-Received: from localhost ([127.0.0.1]:42919 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KavCx-0004Sz-2B for geb-bug-gnu-emacs@m.gmane.org; Wed, 03 Sep 2008 12:27:51 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KavCi-0004MH-2F for bug-gnu-emacs@gnu.org; Wed, 03 Sep 2008 12:27:36 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KavCg-0004Kq-9B for bug-gnu-emacs@gnu.org; Wed, 03 Sep 2008 12:27:35 -0400 Original-Received: from [199.232.76.173] (port=58618 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KavCg-0004Kg-0o for bug-gnu-emacs@gnu.org; Wed, 03 Sep 2008 12:27:34 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:37339) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KavCf-0005Nt-H4 for bug-gnu-emacs@gnu.org; Wed, 03 Sep 2008 12:27:33 -0400 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id m83GRUmb016466; Wed, 3 Sep 2008 09:27:31 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.13.8/8.13.8/Submit) id m83GF3pC011859; Wed, 3 Sep 2008 09:15:03 -0700 X-Loop: don@donarmstrong.com Resent-From: "Juanma Barranquero" Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Wed, 03 Sep 2008 16:15:03 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 872 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by submit@emacsbugs.donarmstrong.com id=B.12204579809703 (code B ref -1); Wed, 03 Sep 2008 16:15:03 +0000 Original-Received: (at submit) by emacsbugs.donarmstrong.com; 3 Sep 2008 16:06:20 +0000 Original-Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.242]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id m83G6Coq009697 for ; Wed, 3 Sep 2008 09:06:14 -0700 Original-Received: by an-out-0708.google.com with SMTP id b20so518955ana.9 for ; Wed, 03 Sep 2008 09:06:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type:content-transfer-encoding :content-disposition; bh=jBGeB5gMuCiPLzqpnhk6ssOVIiKV9hLcotU8Po86FtQ=; b=RneN+uuPzq3SiTTJKfOMYSJ23T9FP3AH6iuLFMt0UcRzh/VrMpl9mzLPQHtsPiUx8u u73/SD+/D3ZdwBVWS9jynPZuYF89ZOQrHbrUYmQWKMOmmGrjFd+gKJS1TwgAYdaOHvmK BIrHj/RrYxqU/FYtQ1mBRvAsQfE43P0R21S5Q= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=axJn9pysx2L61280DFS/hGQpaPETb9uR6HocDiXlVaCO31WUIUrWA73IkgjsMPrdQs Zvl/MhQIKvCi8wCc/S1wYNHLGEzsNISP02+m4RovjuEszvJV4f5g9kNHXQUNjkhUrk/h Jgjiv7KR2+RW37GR0jJy6iKQ8Wmf/gcB2rd+c= Original-Received: by 10.100.165.13 with SMTP id n13mr9200998ane.155.1220457972433; Wed, 03 Sep 2008 09:06:12 -0700 (PDT) Original-Received: by 10.100.194.19 with HTTP; Wed, 3 Sep 2008 09:06:12 -0700 (PDT) Content-Disposition: inline X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 3) Resent-Date: Wed, 03 Sep 2008 12:27:35 -0400 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:20091 Archived-At: emacs -Q M-x ielm then typing (let ((standard-output (current-buffer))) (setq unibyte-display-via-language-environment t) (set-buffer-multibyte nil) (backtrace)) makes Emacs crash on Windows. Notes: - If Emacs is run from inside GDB, it "hangs" for a while and finally crashes. - If run from the command-line, after doing the above it crashes immediately; the DrMingw backtrace is a bit different. - It only happens with an optimized build. - All the above steps are required, including executing the `let' from inside IELM. In fact, the crash happens while IELM is trying to display byte-code("...") It apparently started happening after this change: 2008-04-09 Jason Rumney * w32term.c (w32_compute_glyph_string_overhangs): Compute overhangs for new font backend and composite cases. emacs-devel discussion: http://lists.gnu.org/archive/html/emacs-devel/2008-08/msg00236.html