From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Steve Purcell Newsgroups: gmane.emacs.bugs Subject: bug#7194: 24.0.50; Hard crash when starting many subprocesses in quick succession Date: Tue, 12 Oct 2010 19:20:05 +0100 Message-ID: References: <23BBA7F2-0D4A-4F01-86A0-AAA416101A2F@sanityinc.com> <6099D6C2-B2B9-4A5F-B55C-D8341BFC5128@sanityinc.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1286909181 17151 80.91.229.12 (12 Oct 2010 18:46:21 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 12 Oct 2010 18:46:21 +0000 (UTC) Cc: 7194@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 12 20:46:19 2010 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 4.69) (envelope-from ) id 1P5jrY-0000xS-3I for geb-bug-gnu-emacs@m.gmane.org; Tue, 12 Oct 2010 20:46:14 +0200 Original-Received: from localhost ([127.0.0.1]:49121 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P5jrQ-0002ci-M9 for geb-bug-gnu-emacs@m.gmane.org; Tue, 12 Oct 2010 14:46:04 -0400 Original-Received: from [140.186.70.92] (port=43736 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P5jni-0007To-Lo for bug-gnu-emacs@gnu.org; Tue, 12 Oct 2010 14:42:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1P5jnd-0000rg-6I for bug-gnu-emacs@gnu.org; Tue, 12 Oct 2010 14:42:14 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:58105) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1P5jnd-0000rb-41 for bug-gnu-emacs@gnu.org; Tue, 12 Oct 2010 14:42:09 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1P5jPK-00036Y-6y; Tue, 12 Oct 2010 14:17:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Steve Purcell Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 12 Oct 2010 18:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7194 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 7194-submit@debbugs.gnu.org id=B7194.128690740311920 (code B ref 7194); Tue, 12 Oct 2010 18:17:02 +0000 Original-Received: (at 7194) by debbugs.gnu.org; 12 Oct 2010 18:16:43 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1P5jP0-00036D-LM for submit@debbugs.gnu.org; Tue, 12 Oct 2010 14:16:43 -0400 Original-Received: from h1189701.stratoserver.net ([85.214.32.38]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1P5jOx-000367-Vz for 7194@debbugs.gnu.org; Tue, 12 Oct 2010 14:16:41 -0400 Original-Received: from mandala.home (host86-172-74-195.range86-172.btcentralplus.com [86.172.74.195]) by h1189701.stratoserver.net (Postfix) with ESMTPA id 0A7D4ECD778; Tue, 12 Oct 2010 20:20:06 +0200 (CEST) In-Reply-To: X-Mailer: Apple Mail (2.1081) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Tue, 12 Oct 2010 14:17:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , 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:40830 Archived-At: On 12 Oct 2010, at 15:06, Eli Zaretskii wrote: >> From: Steve Purcell >> Date: Tue, 12 Oct 2010 14:32:22 +0100 >> Cc: 7194@debbugs.gnu.org >>=20 >> I recompiled with -g, repeated the crash, and found the line in = question =3D >> -- process.c:1767 >>=20 >> return unbind_to (count, proc); >=20 > So this is probably here: >=20 > static Lisp_Object > start_process_unwind (Lisp_Object proc) > { > if (!PROCESSP (proc)) > abort (); >=20 Looks likely. I kinda guessed that there might be a missing error check, = and that Emacs was simply running out of a limited resource like file = descriptors.=