From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#31091: 25.2: Feature Request: auto exit upon memory exhaustion warning Date: Sun, 08 Apr 2018 09:25:06 -0400 Message-ID: <87tvsln83x.fsf@gmail.com> References: <20180408072223.5mwxvwl54v4nocr3@E15-2016.optimum.net> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1523193852 23520 195.159.176.226 (8 Apr 2018 13:24:12 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 8 Apr 2018 13:24:12 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) Cc: 31091@debbugs.gnu.org To: Boruch Baum Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Apr 08 15:24:08 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f5AIh-0005za-EQ for geb-bug-gnu-emacs@m.gmane.org; Sun, 08 Apr 2018 15:24:07 +0200 Original-Received: from localhost ([::1]:54832 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f5AKn-0005Ad-6N for geb-bug-gnu-emacs@m.gmane.org; Sun, 08 Apr 2018 09:26:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48683) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f5AKc-00059F-Cv for bug-gnu-emacs@gnu.org; Sun, 08 Apr 2018 09:26:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f5AKZ-0000nq-4m for bug-gnu-emacs@gnu.org; Sun, 08 Apr 2018 09:26:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34128) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f5AKY-0000nK-Ug for bug-gnu-emacs@gnu.org; Sun, 08 Apr 2018 09:26:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1f5AKY-0001iX-Mf for bug-gnu-emacs@gnu.org; Sun, 08 Apr 2018 09:26:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 08 Apr 2018 13:26:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31091 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 31091-submit@debbugs.gnu.org id=B31091.15231939166545 (code B ref 31091); Sun, 08 Apr 2018 13:26:02 +0000 Original-Received: (at 31091) by debbugs.gnu.org; 8 Apr 2018 13:25:16 +0000 Original-Received: from localhost ([127.0.0.1]:42025 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f5AJn-0001hV-S9 for submit@debbugs.gnu.org; Sun, 08 Apr 2018 09:25:16 -0400 Original-Received: from mail-it0-f50.google.com ([209.85.214.50]:54991) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f5AJl-0001hJ-Oo for 31091@debbugs.gnu.org; Sun, 08 Apr 2018 09:25:14 -0400 Original-Received: by mail-it0-f50.google.com with SMTP id h143-v6so7588255ita.4 for <31091@debbugs.gnu.org>; Sun, 08 Apr 2018 06:25:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=bEdbdKP/j/7TeAsK5Z4LL9o73XWVXWpM3NDixUyp05s=; b=QAKgpacnF48ReHpzD/14VTycGuAdHdOMY9wbP4ZhiraH6fNxRlscg7rAzRUFObVClz V4p88pDeYidUxG9n+L1jlTghw4M+jEFZ3nmssYGJAw6UOF29EP9wRB1HpPmc9Fo5pVxz 6NFHti31kt9AGZerpDR9SYqS5oyXIjsLjIuvd6oOhs3isrMC4mQMW51h9k6tx0Qkhuh7 ci8Mosch9uLM/rWFIgELr0kLlX7Dlwu/zyG8Y3oROSzYduvZjZuDRg/jSdqtwE6OlelL pf8iDIAnUgxgYyA8g87kUwbiJxs7Wc0vEVcqDsMMxcgTotfbwkUCxLncdjTzxwhQIGqv sLIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=bEdbdKP/j/7TeAsK5Z4LL9o73XWVXWpM3NDixUyp05s=; b=kgIoeD7Ii5xEry20HFkt3dUHZI46TGH5BisMpgpd5rJYHN4o6w4Gk2H1AslsCWb8qM 6ZO6jAgZ+kMoGDcYsD4+hMBu9CJVTWasEco9WHv1lJ7+IOxLEm+2Rijx07ugeu4ko2Lq RLtXXQGpDd6rwS0aiSfqKyyIkEMoS4lNHiayGXEiChqFbe8FaLUMB//DGCgwnTh2aEar J+W3oEcp+gJUZKrkNwCUBMBnhHFWKVzjP4OZ7qASER8HLGpvIwCxKk9U0eaV+Il+elf7 Tiw00Idn5bofZ4GVDmUFp3yOgK1MYxwpX897xbxFvh6xNo+m3OJSW9nswnr1gYmpft9/ 1Wkw== X-Gm-Message-State: ALQs6tBmLt6lAfBnRcC/4xkDJuAyT9tmA6VhnP2uopoZ27wsVz2hV/QF jArFTVfAAFvhslIijf7ilQpS+A== X-Google-Smtp-Source: AIpwx4+PITUeu0uPkSbXwQVNKG8CQmRW1wfUpBoIQ5I4qQXIAg3zR0EnlbGQtjENooPkR1H81HD1rA== X-Received: by 2002:a24:5b02:: with SMTP id g2-v6mr25748878itb.100.1523193908142; Sun, 08 Apr 2018 06:25:08 -0700 (PDT) Original-Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id d11sm6027012ioc.13.2018.04.08.06.25.07 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 08 Apr 2018 06:25:07 -0700 (PDT) In-Reply-To: <20180408072223.5mwxvwl54v4nocr3@E15-2016.optimum.net> (Boruch Baum's message of "Sun, 8 Apr 2018 03:22:23 -0400") 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-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" Xref: news.gmane.org gmane.emacs.bugs:145003 Archived-At: Boruch Baum writes: > As emacs begins to exhaust memory, it begins to grind all system process's > performance to a halt, which is clearly undesirable. If the user notices > in time, either because the user is attentive to the mode line or the > system slow-down, then the user will have an opportunity to gracefully > exit and restart emacs, but such is not always the case, and should not > be presumed to always be the case. If you set the virtual memory limit to 1 or 2 GB (or something proportional to the amount of physical memory you have) by doing ulimit -Sv $((1000 * 1024)) before you start Emacs, instead of allocating until system slow-down, Emacs should stop with a message: Memory exhausted--use C-x s then exit and restart Emacs Possibly also a warning like Emergency (alloc): Warning: past 75% of memory limit depending on how quickly you approach the limit. (yes, I've tried this, see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26952#18)