From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#18438: 24.4.50; assertion failed in bidi.c Date: Tue, 16 Sep 2014 05:47:21 +0300 Message-ID: <83sijs46yu.fsf@gnu.org> References: <4745242cd3e424a6c4d5db0e8d3e33d0@amuri.net> <54109EB5.2060801@amuri.net> <8338bz9tt7.fsf@gnu.org> <153d642db591b29dba44712b44194385@amuri.net> <8361gt8jjz.fsf@gnu.org> <8338bx8enz.fsf@gnu.org> <47b6853869d32221142fecc7dff1d3e8@amuri.net> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1410835721 11647 80.91.229.3 (16 Sep 2014 02:48:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 16 Sep 2014 02:48:41 +0000 (UTC) Cc: 18438@debbugs.gnu.org To: aidalgol@amuri.net Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Sep 16 04:48:29 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 1XTiob-0006qn-Dw for geb-bug-gnu-emacs@m.gmane.org; Tue, 16 Sep 2014 04:48:25 +0200 Original-Received: from localhost ([::1]:35454 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XTioa-0000sp-LP for geb-bug-gnu-emacs@m.gmane.org; Mon, 15 Sep 2014 22:48:24 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58229) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XTioO-0000d6-9t for bug-gnu-emacs@gnu.org; Mon, 15 Sep 2014 22:48:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XTioI-0004KL-P0 for bug-gnu-emacs@gnu.org; Mon, 15 Sep 2014 22:48:12 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:50349) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XTioI-0004Jj-Fk for bug-gnu-emacs@gnu.org; Mon, 15 Sep 2014 22:48:06 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XTioE-0007Wb-Jg for bug-gnu-emacs@gnu.org; Mon, 15 Sep 2014 22:48:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 16 Sep 2014 02:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18438 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 18438-submit@debbugs.gnu.org id=B18438.141083565128884 (code B ref 18438); Tue, 16 Sep 2014 02:48:02 +0000 Original-Received: (at 18438) by debbugs.gnu.org; 16 Sep 2014 02:47:31 +0000 Original-Received: from localhost ([127.0.0.1]:41913 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XTinj-0007Vo-6G for submit@debbugs.gnu.org; Mon, 15 Sep 2014 22:47:31 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:40879) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XTinf-0007Vb-EF for 18438@debbugs.gnu.org; Mon, 15 Sep 2014 22:47:28 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0NBZ00E003EOA600@a-mtaout20.012.net.il> for 18438@debbugs.gnu.org; Tue, 16 Sep 2014 05:47:25 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NBZ00EFR3R06N30@a-mtaout20.012.net.il>; Tue, 16 Sep 2014 05:47:25 +0300 (IDT) In-reply-to: <47b6853869d32221142fecc7dff1d3e8@amuri.net> X-012-Sender: halo1@inter.net.il 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:93398 Archived-At: > Date: Tue, 16 Sep 2014 13:04:12 +1200 > From: aidalgol@amuri.net > Cc: Eli Zaretskii > > I closed the session, but I got another bidi.c assert, this time in a > different place. Is this one more like bug #17817? Yes, it does. And like that one, it makes no sense: it clearly shows that 'type' passed to bidi_check_type is STRONG_L, a valid value. Here's the relevant part of the backtrace: > #0 terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:361 > No locals. > #1 0x00000001005b9a67 in die (msg=0x100a5aad8 "UNKNOWN_BT <= type && type <= NEUTRAL_ON", file=0x100a5aad0 "bidi.c", line=329) at alloc.c:7160 > No locals. > #2 0x00000001005010fe in bidi_check_type (type=STRONG_L) at bidi.c:329 > No locals. > #3 0x0000000100506230 in bidi_level_of_next_char (bidi_it=0x223d08) at bidi.c:2430 > type = STRONG_L > level = 0 > prev_level = 0 > next_for_neutral = { > bytepos = 0, > charpos = -1, > type = UNKNOWN_BT, > type_after_w1 = UNKNOWN_BT, > orig_type = UNKNOWN_BT > } > next_char_pos = 1 The only reason I could think of for such assertion violations is some asynchronously run code that doesn't properly restore registers. Which is pretty far-fetched, but what else can explain this?