From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.bugs Subject: bug#16641: Assert triggered (hashtab.c:137) - Guile-2.0.9 Date: Tue, 21 Jun 2016 14:58:17 +0200 Message-ID: <87inx2zok6.fsf@pobox.com> References: <1411859184.218723.1391503428777.JavaMail.zimbra@concurrent.co.za> <87k3d9y2m5.fsf@netris.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1466513970 1509 80.91.229.3 (21 Jun 2016 12:59:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Jun 2016 12:59:30 +0000 (UTC) Cc: Cole Minaar , 16641-done@debbugs.gnu.org To: Mark H Weaver Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Tue Jun 21 14:59:20 2016 Return-path: Envelope-to: guile-bugs@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 1bFLGx-0005tO-FP for guile-bugs@m.gmane.org; Tue, 21 Jun 2016 14:59:19 +0200 Original-Received: from localhost ([::1]:51536 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFLGw-0001Rf-ON for guile-bugs@m.gmane.org; Tue, 21 Jun 2016 08:59:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37519) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFLGm-0001Om-2s for bug-guile@gnu.org; Tue, 21 Jun 2016 08:59:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bFLGh-0006Xt-TL for bug-guile@gnu.org; Tue, 21 Jun 2016 08:59:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:36409) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFLGh-0006XQ-PY for bug-guile@gnu.org; Tue, 21 Jun 2016 08:59:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bFLGg-0002lO-Gy for bug-guile@gnu.org; Tue, 21 Jun 2016 08:59:02 -0400 Resent-From: Andy Wingo Original-Sender: "Debbugs-submit" Resent-To: bug-guile@gnu.org Resent-Date: Tue, 21 Jun 2016 12:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 16641 X-GNU-PR-Package: guile X-GNU-PR-Keywords: Mail-Followup-To: 16641@debbugs.gnu.org, wingo@pobox.com, cole.minaar@concurrent.co.za Original-Received: via spool by 16641-done@debbugs.gnu.org id=D16641.146651391010572 (code D ref 16641); Tue, 21 Jun 2016 12:59:02 +0000 Original-Received: (at 16641-done) by debbugs.gnu.org; 21 Jun 2016 12:58:30 +0000 Original-Received: from localhost ([127.0.0.1]:48744 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bFLGA-0002kS-AY for submit@debbugs.gnu.org; Tue, 21 Jun 2016 08:58:30 -0400 Original-Received: from pb-sasl1.pobox.com ([64.147.108.66]:50131 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bFLG7-0002kF-6S for 16641-done@debbugs.gnu.org; Tue, 21 Jun 2016 08:58:29 -0400 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id D3E6322C36; Tue, 21 Jun 2016 08:58:24 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=SehGVms9/YqvStjl4ugpDoKO/6w=; b=Tnp/Ma CqU0I5DACCF+35BmJqtL0SDErHbYCBTqlXJAp1UWdoAeu2N6ucBd+hXiDCn27LqK OcbTYMGGs5K5hOwE65ohP31sCEChY9Jef0aViWiKX3vnmWcnQB1spt+IgZup3dw9 0viRmrajTWjvkwSzskrfgypI4dP9q3bhKJNGs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=t80VI/c2n2oSxOR0nU5CxgZsGznCTVcJ K8XsOYvWBfN+94Srd+7P4Z5Ednjs0OQOQ1jfpVpKm88nPuuFI2FSKkw4CciSchUU sjiTJViiRJiTpD1OLb58UcZEdvCiSUVlXfzDbu/PVNISqPhgwVqJbnIcWVmh9ks7 56LF7TL1GtY= Original-Received: from pb-sasl1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id CBB6B22C35; Tue, 21 Jun 2016 08:58:24 -0400 (EDT) Original-Received: from clucks (unknown [88.160.190.192]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pb-sasl1.pobox.com (Postfix) with ESMTPSA id E7BAE22C34; Tue, 21 Jun 2016 08:58:23 -0400 (EDT) In-Reply-To: <87k3d9y2m5.fsf@netris.org> (Mark H. Weaver's message of "Wed, 05 Feb 2014 10:56:50 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) X-Pobox-Relay-ID: D6B4CF12-37AF-11E6-A771-C1836462E9F6-02397024!pb-sasl1.pobox.com X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: "bug-guile" Xref: news.gmane.org gmane.lisp.guile.bugs:8088 Archived-At: On Wed 05 Feb 2014 16:56, Mark H Weaver writes: > Also: this is on Solaris 10u10. Cole mentioned that on IRC. On the one hand I don't understand how this can happen. On the other, I unfortunately don't have faith in the buckets-and-chains weak table implementation in 2.0; it usually works but it's gnarly and is a threading nightmare, and accesses disappearing links outside the alloc lock. See for example: http://article.gmane.org/gmane.comp.programming.garbage-collection.boehmgc/4789 In 2.2 the weak table is rewritten to not require the "vacuum" phase and to be threadsafe. That was my best effort at fixing this bug but I couldn't do it with some of the constraints in 2.0. For that reason I am closing this one but feel free to re-open it if you find available hackpower to work towards a solution for 2.0. Andy