From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Thomas Fitzsimmons Newsgroups: gmane.emacs.bugs Subject: bug#33174: 27.0.50; Dump fails on GNU/Linux ppc64le Date: Mon, 29 Oct 2018 21:28:11 -0400 Message-ID: References: <784dd857-cde9-d13d-0afb-234f5cdafb79@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540862479 20002 195.159.176.226 (30 Oct 2018 01:21:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 30 Oct 2018 01:21:19 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 33174@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 30 02:21:15 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 1gHIiW-0004xy-VY for geb-bug-gnu-emacs@m.gmane.org; Tue, 30 Oct 2018 02:21:13 +0100 Original-Received: from localhost ([::1]:50038 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHIkY-00006L-4e for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2018 21:23:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44494) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHIkO-000061-FE for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2018 21:23:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHIkK-0007Xy-Ic for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2018 21:23:08 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48146) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gHIkI-0007Xf-LF for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2018 21:23:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gHIkI-00028t-Fw for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2018 21:23:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Thomas Fitzsimmons Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 30 Oct 2018 01:23:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33174 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 33174-submit@debbugs.gnu.org id=B33174.15408625658181 (code B ref 33174); Tue, 30 Oct 2018 01:23:02 +0000 Original-Received: (at 33174) by debbugs.gnu.org; 30 Oct 2018 01:22:45 +0000 Original-Received: from localhost ([127.0.0.1]:52404 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gHIk0-00027t-OF for submit@debbugs.gnu.org; Mon, 29 Oct 2018 21:22:44 -0400 Original-Received: from mail-it1-f195.google.com ([209.85.166.195]:32783) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gHIjz-00027f-5M for 33174@debbugs.gnu.org; Mon, 29 Oct 2018 21:22:43 -0400 Original-Received: by mail-it1-f195.google.com with SMTP id p11-v6so1801277itf.0 for <33174@debbugs.gnu.org>; Mon, 29 Oct 2018 18:22:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fitzsim-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=cnN+WuU1rXFk7hAQ+XSHkb3OYnzO3m1U6sQ1eeG4HRQ=; b=l8tIgu6jmwjHRDbDe0xx2zO+A+TTK7OKHZcJu74D7wkq6It+G4qKsXgBcZUNDzvoXD bxSrvwxr2HUr4USXZWEYMREm8ZRhbG8olS8czxGWFUO24vtJPo4zst9r/GUCK96FHY2e 3YlHUvk8taHbKCOowMIS07xnfkXeXgpnFegmjAWz12bruiASxpi3eeLPfRZ8L5ZOLgG5 hcokTBpbBDng63Ln388UwiftRMJOn/0KFOdrChEjcVvPCr7RVz6B2W3O9da5r2L89TPN 2/JibPYQvlQF1vQEtTNyALpXXJaRtiHiPAG+UyECULmK2/+oEKdLHHB8CupvdRuVfzgv WbEQ== 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=cnN+WuU1rXFk7hAQ+XSHkb3OYnzO3m1U6sQ1eeG4HRQ=; b=lEVznWks4tlKQMv6Cr2MQZxejBpdl9AUVXgTmlpHurRxVFfsYy+GseD7B9KAlRDX8+ phJZzysrZWecHq36ilRAhyQNS+BDD2VH79wNM9c9l88CrsHfqbjsF14LhqfGhJmSyGYV 8C3BbYTu5U/Mqdewjm+bkWFeUynwx3MWg5auX9o8FN1PSEMVkDGkdv/xgbz4/bw/uFL1 Rzx4/b5u82N4HhJtHz2X8llVcW817ihzGbG2djhsVgKOYPCS0MkaLLRDuY8MBUF6MXvk oUVBXE2U1JwsgKl/Amx7j5Bi5l52CN0l5k+lumh1Xob3S7p8idVMRqlRmXIHjzcvsiZ/ U77g== X-Gm-Message-State: AGRZ1gKUOYqJq9gqs8a0HnZvLrvMU1IYKQatRZtYfXGtE62MQc/QATLI HXo83onf8izqz+3p22SGDdvJ7af4tBIGmLrR X-Google-Smtp-Source: AJdET5dN5pAquxkdVb2YBofUDWHb3uEbnc/0eFXc3NJ4fCEiSwD+cazU0Kwy4M1JjFdfA3DwF1mSsA== X-Received: by 2002:a24:ce47:: with SMTP id v68-v6mr79359itg.163.1540862556187; Mon, 29 Oct 2018 18:22:36 -0700 (PDT) Original-Received: from localhost.localdomain (69-165-165-189.dsl.teksavvy.com. [69.165.165.189]) by smtp.gmail.com with ESMTPSA id y103-v6sm9771033ita.24.2018.10.29.18.22.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 29 Oct 2018 18:22:35 -0700 (PDT) In-Reply-To: <784dd857-cde9-d13d-0afb-234f5cdafb79@cs.ucla.edu> (Paul Eggert's message of "Sun, 28 Oct 2018 12:22:51 -0700") 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:151798 Archived-At: Paul Eggert writes: > Thomas Fitzsimmons wrote: >> I'm running the Linux-libre 4.18 kernel built from >> source with powernv_defconfig > > In that case, please also verify that your kernel configuration has > enabled XATTR_PAX. Hmm, the XATTR_PAX kernel configuration option does not exist in the kernel sources I'm using; I haven't applied any hardening or Grsecurity patches, it's just the upstream Linux-libre 4.18 kernel, built with: make powernv_defconfig make > See, for example, > . If you have a > superhardened kernel that refuses to disable ASLR under any > circumstances, then you'll need to build Emacs with './configure > CANNOT_DUMP=yes', something I can't recommend for production until we > get the pdumper branch merged in. I guess I could experiment with adding the PaX patches to my kernel so that XATTR_PAX would take effect, but I'm surprised Emacs can't complete the bootstrap step when the kernel is in a default configuration. Thomas