From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Helmut Eller Newsgroups: gmane.emacs.devel Subject: Re: MPS GC and its implications Date: Fri, 03 May 2024 15:57:01 +0200 Message-ID: <87ttjfm21e.fsf@gmail.com> References: <87v8408wsr.fsf@gmail.com> <87o79sasl5.fsf@gmail.com> <87plu72y8h.fsf@gmail.com> <877cgfwe5g.fsf_-_@gmail.com> <871q6mptkj.fsf@gmail.com> <86wmodofvw.fsf@gnu.org> <87frv1hclv.fsf@gmail.com> <86plu3i1nr.fsf@gnu.org> <87ikzvnnao.fsf@gmail.com> <86h6ffi00a.fsf@gnu.org> <878r0rnkpu.fsf@gmail.com> <86a5l7hvfw.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30989"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: gerd.moellmann@gmail.com, acorallo@gnu.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri May 03 15:58:04 2024 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1s2tQJ-0007vr-9L for ged-emacs-devel@m.gmane-mx.org; Fri, 03 May 2024 15:58:03 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s2tPg-0005WS-Oq; Fri, 03 May 2024 09:57:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s2tPO-0005Ts-Sm for emacs-devel@gnu.org; Fri, 03 May 2024 09:57:08 -0400 Original-Received: from mail-ej1-x635.google.com ([2a00:1450:4864:20::635]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1s2tPM-0001X9-Kn; Fri, 03 May 2024 09:57:06 -0400 Original-Received: by mail-ej1-x635.google.com with SMTP id a640c23a62f3a-a51a7d4466bso1127943966b.2; Fri, 03 May 2024 06:57:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1714744622; x=1715349422; darn=gnu.org; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=S6GmElnrcFeVNC4z3rdSMQ0im3NyhTORbHhNrPZ2yDk=; b=UC/g8Gr4NcKsO6n5vHyHQaVRZU3DHvo+LX6zzeXXwpLE8LGf9ozfDfMZYNAGxJtUPF +O1bA76c+Ax4SPPv+KhZJOxwbSgm1Yv/W9jlK3YSqC6SoD5y+EvnVOmrv13nA8dx8LQE OVOFgon7/52GZ6Mjf06RLzcm06NS/mPxHgjWoP2Cs1iwIg7WGbnU8PULhQArtEXBkQnx v0B+O9BjdWrxUEoHadfOXxij4OhUixRjRFChmcxdOUj/vtVwGNb7hz8gFVsKILNwVXwC mGA47KcEW/gUWIIFk6+RrxM1EzxOzKMf317qsfrWiPExyka8tcXcktl3g6SkPMK4sjOx 28GQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714744622; x=1715349422; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=S6GmElnrcFeVNC4z3rdSMQ0im3NyhTORbHhNrPZ2yDk=; b=PMdlCauFf7efERwcL4hQn7A5sirwb2qkRY2ynm7haFSIRSYf+S5Z8k2cAlyYFeGPPS ZP3esLm92SAc6tv4fI16jU4QHjSYqKeMNLf5SvroBAxtMr/MqGCslTY8VIU+vjblsZKQ hH3jUqixId8cawCxWyoKDl5CS4OaiBAudVOkml3ddH8Fg3HlVPmpbUYdXp/4EgJnX+x2 z4sbP+Iyz6RzHsdLq2fz9wjvqywPgTHp8ayRZPwYYkIZppxnrIoRdUK3S1q0Vr/nNwUv thgeFjtJSw3gtghGlJXBVXcVYIxZ0ntQTRf/IJftxK/wz1shLVK8cjD+iFtMMrUQg1jI rR0Q== X-Forwarded-Encrypted: i=1; AJvYcCXjvM3hK4Q8b/BwEgezUQClCo010sae7BCebb4XomsMIb691tnnAk2QhMjAzXC/ULf1U4j7H5gJixDsx37cQ2vw3CIs10u+CL4PYF/l/kvhhYTM/B/2 X-Gm-Message-State: AOJu0YwQlcxdoe04X4bmq7cZmJFK92l7hXNsa4oqvy0j3ECTsF9jgajJ 2X94GqPhlQAwNIbOcgYh++bcFB5ZPRq3qHBVBy4BeOFniIQytcpD8Ij/mA== X-Google-Smtp-Source: AGHT+IFvnUlVbytUlQQNDCw2MY5fRL0eN3Vk5vfC+NFvLg1oXqvgP8ZyvhFv4p+lq6ogQX4oJAeZWQ== X-Received: by 2002:a17:906:b247:b0:a55:aeb0:cb22 with SMTP id ce7-20020a170906b24700b00a55aeb0cb22mr1914453ejb.9.1714744622017; Fri, 03 May 2024 06:57:02 -0700 (PDT) Original-Received: from caladan (dial-184253.pool.broadband44.net. [212.46.184.253]) by smtp.gmail.com with ESMTPSA id q12-20020a1709060e4c00b00a598fa463cbsm769745eji.127.2024.05.03.06.57.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 May 2024 06:57:01 -0700 (PDT) In-Reply-To: <86a5l7hvfw.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 03 May 2024 16:33:07 +0300") Received-SPF: pass client-ip=2a00:1450:4864:20::635; envelope-from=eller.helmut@gmail.com; helo=mail-ej1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:318688 Archived-At: >> Don't call igc--collect and do something to generate enough garbage. >> Then you'll see it. > > I don't. > > Or maybe I don't know how to "do something to generate enough > garbage". Can you suggest a couple of such "somethings"? I tried > scrolling through xdisp.c and "M-x occur RET glyph RET" in xdisp.c > (which finds about 3500 matches). gdb --args ./src/emacs -Q -eval '(while t (point-marker))' (gdb) r Starting program: /scratch/emacs/emacs-igc2/src/emacs -Q -eval \(while\ t\ \(point-marker\)\) [Thread debugging using libthread_db enabled] [...] [New Thread 0x7fffe1d0b6c0 (LWP 96378)] Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. Fprogn (body=0x7fffe325bc6b) at eval.c:437 437 Lisp_Object form = XCAR (body); (gdb) handle SIGSEGV print pass nostop Signal Stop Print Pass to program Description SIGSEGV No Yes Yes Segmentation fault (gdb) c Continuing. [Thread 0x7fffd3fff6c0 (LWP 96381) exited] Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. ^C