From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: SEGFAULT on increment_row_positions Date: Sat, 04 Jun 2005 10:25:00 +0200 Message-ID: <851x7i4jhf.fsf@lola.goethe.zz> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1117879849 17773 80.91.229.2 (4 Jun 2005 10:10:49 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sat, 4 Jun 2005 10:10:49 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jun 04 12:10:48 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DeVbm-00061B-Hl for ged-emacs-devel@m.gmane.org; Sat, 04 Jun 2005 12:10:26 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DeVhe-0007lv-Tv for ged-emacs-devel@m.gmane.org; Sat, 04 Jun 2005 06:16:30 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DeVes-0007HP-EI for emacs-devel@gnu.org; Sat, 04 Jun 2005 06:13:38 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DeVeq-0007Gg-Pm for emacs-devel@gnu.org; Sat, 04 Jun 2005 06:13:37 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DeVeq-000787-Ep for emacs-devel@gnu.org; Sat, 04 Jun 2005 06:13:36 -0400 Original-Received: from [199.232.76.164] (helo=fencepost.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DeVby-0004m5-Ry for emacs-devel@gnu.org; Sat, 04 Jun 2005 06:10:38 -0400 Original-Received: from localhost ([127.0.0.1] helo=lola.goethe.zz) by fencepost.gnu.org with esmtp (Exim 4.34) id 1DeVY5-0005ET-04; Sat, 04 Jun 2005 06:06:37 -0400 Original-Received: by lola.goethe.zz (Postfix, from userid 1002) id F276D1C3DFE5; Sat, 4 Jun 2005 10:25:00 +0200 (CEST) Original-To: JD Smith In-Reply-To: (JD Smith's message of "Fri, 03 Jun 2005 16:16:48 -0700") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:38104 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:38104 JD Smith writes: > My programming mode IDLWAVE tends to trigger many more SEGFAULTS in > Emacs 21 than any other use of Emacs I make, but only when the IDL > shell is running as a subprocess under Comint. In particular, when > the IDL sub-process gets quite large (IDL is a data processing > language), the SEGFAULTS seem more common, which may indicate a > garbage collection or other memory related bug (just guessing here). > I have managed today to achieve a SEGFAULT after every 10-30min of > heavy use, and found this trace: This is not much help with this particular bug, but if you are suspecting a garbage collection related problem, setting gc-cons-threshold to a small value like 1000 should cause the problem to occur much more often than every 10-30min, perhaps making diagnosis and debugging easier. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum