From unknown Sat Jun 21 03:28:35 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#31771 <31771@debbugs.gnu.org> To: bug#31771 <31771@debbugs.gnu.org> Subject: Status: 26.1; [imagemagick] Writing image file with emacs hangs entire system Reply-To: bug#31771 <31771@debbugs.gnu.org> Date: Sat, 21 Jun 2025 10:28:35 +0000 retitle 31771 26.1; [imagemagick] Writing image file with emacs hangs entir= e system reassign 31771 emacs submitter 31771 Adam severity 31771 normal tag 31771 unreproducible notabug thanks From debbugs-submit-bounces@debbugs.gnu.org Sat Jun 09 13:53:24 2018 Received: (at submit) by debbugs.gnu.org; 9 Jun 2018 17:53:24 +0000 Received: from localhost ([127.0.0.1]:41498 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRi3H-0002is-UR for submit@debbugs.gnu.org; Sat, 09 Jun 2018 13:53:24 -0400 Received: from eggs.gnu.org ([208.118.235.92]:36602) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRi3F-0002ig-KC for submit@debbugs.gnu.org; Sat, 09 Jun 2018 13:53:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fRi39-0007cf-6E for submit@debbugs.gnu.org; Sat, 09 Jun 2018 13:53:16 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:35402) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fRi39-0007cT-2R for submit@debbugs.gnu.org; Sat, 09 Jun 2018 13:53:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55799) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fRi37-00085N-G0 for bug-gnu-emacs@gnu.org; Sat, 09 Jun 2018 13:53:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fRi34-0007aK-Ac for bug-gnu-emacs@gnu.org; Sat, 09 Jun 2018 13:53:13 -0400 Received: from mail-qt0-x233.google.com ([2607:f8b0:400d:c0d::233]:37344) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fRi34-0007a5-4Z for bug-gnu-emacs@gnu.org; Sat, 09 Jun 2018 13:53:10 -0400 Received: by mail-qt0-x233.google.com with SMTP id q13-v6so16638738qtp.4 for ; Sat, 09 Jun 2018 10:53:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:openpgp:autocrypt:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=PnbWzsvwb2VNe+nWjL0l7QjCw40XuBHs1O38VMwNM6A=; b=BiMWnYZcAVFOqw8gs51aQYenIURiixiO1Ecq3A/oBMDeEWL+HfApcqgce2zNH/2737 iWrZ1TTTV4hE2qXcxyjoXw5h4lY9IxT8BvkQHqC7xTuWjwuaHx2iqHrYgpkZLRVgrkIX c6YwNkspclKjsa35tobGUKOT9hRn1ZdKiJ2aXrv9+Iyancoz8wr6I3DYJ9Okwssmn/hW GUS8G/MKKjZS5QNBOiw5PCEI9AHotpkvowC9LQGmQM8+o6vQ6zrLGf+zmJzrNs7inhPP EWwCaM8BWpzIa0p09cYLPXeU0m/fWOmB4YM5jDHyYiiorNk6K9MHD2YSDEjTr3AH0Ead eYJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:openpgp:autocrypt:message-id :date:user-agent:mime-version:content-language :content-transfer-encoding; bh=PnbWzsvwb2VNe+nWjL0l7QjCw40XuBHs1O38VMwNM6A=; b=OeU5vZdImp/BdJGGLeaOQVPVw0Kr836Ii+J391NhINJLJDSJGtoa2eDBI1XSfLC1Zv lwv5rxCkv8mB4ETv+cBMwHcH+HLzYKmPQmxC7/eUBRNlKeRAE3/c0Y6kqpy22dnkYFV0 t9ds9Jo8vhWUT11OuHZGrsDR22BbL/jzOIuecQBP4VEIencfoYYJIiu4D+E87hXDSz0N 94FC+leYF8kafDVs/1nvYSOzjle1/RtXNiAgHtC4g2NcN+375xIOsRFsLx+SmDjU/GD8 F+JfaJdQ2ZTnf04ADdpeEj6HUnXjaM+lqsuABKe+dYEl0yiynlFvG18e01y1LlAKy3uk T5Gw== X-Gm-Message-State: APt69E3IDzWXkMgdoLq/dmLRSpt9EFuMEF68Itov02W5SVknodNFMKWf PDglQ5hGmq2AzOHIPqvfUtXDaFhH X-Google-Smtp-Source: ADUXVKLhXm5Xj3nOO0O63Y5rmXxNXwGkn/6ZlCxtv6yui8kEKtQbFyNu54+qUeUxVgQn+8j8PGH+QQ== X-Received: by 2002:a0c:e80b:: with SMTP id y11-v6mr9975471qvn.10.1528566788608; Sat, 09 Jun 2018 10:53:08 -0700 (PDT) Received: from [192.168.1.162] (pool-71-175-1-195.phlapa.fios.verizon.net. [71.175.1.195]) by smtp.gmail.com with ESMTPSA id b3-v6sm11190561qtj.85.2018.06.09.10.53.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 09 Jun 2018 10:53:07 -0700 (PDT) To: bug-gnu-emacs@gnu.org From: Adam Subject: 26.1; Writing image file with emacs hangs entire system Openpgp: preference=signencrypt Autocrypt: addr=adam.niederer@gmail.com; prefer-encrypt=mutual; keydata= xsFNBFd1xZsBEACxS6jC//cdlHBto17O9puLLU/deDxVmeZAmos70UxbfGEU4acJCohcKo5w mnBgNReUX8l+vydkkJeYMS9V4p2wInKnVxP/LPwlaZ7wcB26ZddF1KoHRambZFTluLbdP6Pp nYGPf19zzzkMVYpixfeZnH6CkF1cRYe2sryLacLEGce3j5DvoFgeseSbce0VieV0QWY2dcB+ lr5iWy/CukxgtU3SZXYwMB0v3xP8Ug3lMH0DDaZC/49hNJIHBLRxg9a7ZSiayeEdWRhn0hYP SQusycTPz82m3hPUVTBHuYf4cj2lA+gsUrAVlJSyGa14sp5S8b3tyVfTa9BUNJ1IFmGsaw2Q ATD+KIXJs+wUGzvd1BFP8TPuocLuLVplpBz3dv5C03Vlp+TSzH2d93t8nrWARuIEYpnAgjWQ z53jEu99oZ1TGTJNVhzt854yFGNr5opL71ODL+zFSwt+u/OLrOQF31DFZL2PC0yEd9eaP05W KgWp3H4XP3RXOP+fzWBUCABOi5XjbNq7mmvxj1efxFahloN5b/evH+Kejx0PnXLYve2VNd6T No09yfH3Z6kqk6c7PUK0MN5h/ZgDSVJ81vK5XyN2sIHtytvktMAbB57ORcniCPSyrRIv0S1K QKvTnzmNCvdpOjo5v8Tnsbwb31TWhmjj49X0BI1PCMTsJoTXqwARAQABzSdBZGFtIE5pZWRl cmVyIDxhZGFtLm5pZWRlcmVyQGdtYWlsLmNvbT7CwXcEEwEIACEFAld1xZsCGwMFCwkIBwIG FQgJCgsCBBYCAwECHgECF4AACgkQ7kc+B4bA8m6eSQ//XpBAjMVXtpYJypIsxgYFK7fonJ9R 8MGZv6HN0ZNZ+zU66dG7efMk5hctWVL9rBdiOwVuva27APrkJAv8Za12EJV+0ja4jqC6H46C fvHxkx1JV/9CVvyRGSEcMXA0R3iqQqAhDHbZ6lQvgQbfzq4yqIGDW8nT4ycUZPAygzlSnXyq iVwBQEEWe7oHnGwZ3uE8dpe5mjDnjV+eeyrmu28ZhaihDjVWaO99znVUTJpy2rY9ThkAIxl5 QUSoV89rUxgyhERhsOxlgvXHDypLMyQltq2Ush7fy4v09Vksq6z7A3j09uuIeUv2zKTvrHrx QQY0xAFIf8CVnqE5oAlJATXuKLZBjPyoqOqmEC6gtKQ2i2MbKRSseemKiO0v7I3DbuyLu6uU MNT5jlNVmx/O3IEOIT3HkOXIU7oEHOH8TpeFrddQwbeB4W8ju6ir5XuoPg9Lny2RAqMacQTu +aZ9N6l5LEm1VnRqbisURlySguT8HrOHqbxKtja9em7rfICVh2zRnS2R9SSwsD3ySeWlBdyk ZkQ/6+lrKKlk5Ai5CiOkzURY1edSsIO8DEN7Yi8AuEVxeyJ+A+r9FtXoSgWD3liK2snckASr xHspJW3/dYNmnf+u6PvIOEGnRHrraxIb1HVt8yLoWtSetFOzPMIHccy40wgl/M9S9FwEn+aK LQhsJybOwU0EV3XFmwEQAMQ8208ao3uqyCSg3AXfgIbwVEubky7rCZhJTypbI5nf9VC3gUkz w+17gPvLNgFy9G4+JcM9Np3EbRzMKXpbkC8Cxt5AJQOBc20zKPykMhTZBK0NI+h9Ji8FLh+S zXdUdvg7gaALieAZj7adU6qMZcd/nI9Fh3le9ytcXFIOGdkt5TsjA9jQNP3VJ0V/f5U5LP5Z xom1WgMlnn23gKt5EI0OJ64FunCOeCE++ze05P3Fuhi0r0VCW/dLW5Z7uW5RTjRs2YWcjyjH 0ddTY6Wyo7bWmZAf/552rq9f8EcPh0+MO9EnrpHHN6lgc7jX8YmmgSRxDWNH98DF0IzUr60W b2gi2eArbZgeS6DKYZ2fgy+WaMGP9UAOkQkzkGNwSCPuVi8tKRZtyNcRdSmBAPOXE1y18KKS DKevsnd9lM9MZfvWP1MsHwIZOHu+R2PiCx0rp84hkK120h5HJjSn4gJ0Yj6QSS8E8FPGxiSe G3sFNeKSg1LLIlLebhROmwgC2ZZQPJDh0SlUhA/qyA6zlAZNzqm6L8aYt/F/oxxJdViTqT01 8xLpqyLnyL3YgTZiWIjKtG+VC1iyJzr0/AEv+VQkvuv3ZH7EF3WHHsm/cgJdaI6fHSv4QePS R0p/v4zvyi20OZZL0xRcVBlJjtQNR7iA8n8jFf8/6jED8qbtn3YDpen3ABEBAAHCwV8EGAEI AAkFAld1xZsCGwwACgkQ7kc+B4bA8m5BEw//Q4i6CswTluO2a0194McpKX36I3+g6UY2nVjX GkcU8h2EX71CDpX/V5KQjH44j5hnxODX29KTnDB572Kn5WsgWa4uLSiT7EsnTwnKBusqJuLQ 0mSYlRizxwaZno1n7BJcVZ/LjSL64fF4eyXs/EwvOZ6pwHOyOXMX8wyE7B2Dc9gTNUgFzDdI R+msuX3QxpNC7w7rhO8K/g7FtTwU2iH4y2yDaTkBciCXO7I8f8c5JN23cMPNieId0SgxEZJR 2bVtWS6KiEqGmoGeh3azVjPzkfTxwX04hc/irog24mqAE+vVufNF7Bl2wMzrSM3sKDjOjB+6 RA5CLjWpiWVkIpMfC/7S1FkoAXI4RslHYsB4Eeud/QwLmkuuCgc+fGUe2UvXBKUOzDI9SDeE 1934ZsCTWqjMGuRG8Nhqsghcc6IEtcNxER8J1RpHUnBx5v8FQu9n1Tm+tcdWvpQcUjJcBcQH 26z2EsdD/+BWVwQ3piZjYnikEhHhGdRBCw/JMJBC361bcd99/a5ccQOcnRM0oEyREuco7/P8 3NDUtSuG/LjpUom3oJ78WUi3n0zz9NFzOA7LRoM9Jsb/BZ8xAClgC9HKlomgJXiepBIXi/Pb oBgld5ZvqDOE/VrUkDJtu8foMNyLVEOBuuTWhUxvVJVUxxtiIsELF3IJoOnDLfKqLeVT1a0= Message-ID: Date: Sat, 9 Jun 2018 13:53:09 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) Ensure everything is saved and your system can tolerate a hard reboot; reproducing this bug may cause a full-system lock-up. In your shell, $ cat > black-pixel.png.b64 << EOF iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAADElEQVQI12NgYGAAAAAEAAEnNCcK AAAAAElFTkSuQmCC EOF $ emacs -Q black-pixel.png.b64 >From emacs, C-x h M-x base64-decode-region RET C-x C-w RET black-pixel.png RET The decoded buffer (before pressing C-x C-w) should contain: \211PNG^M ^Z ^@^@^@^MIHDR^@^@^@^A^@^@^@^A^H^B^@^@^@\220wS\336^@^@^@^LIDAT^H\327c```^@^@^@^D^@^A'4' ^@^@^@^@IEND\256B`\202 After following these commands, your emacs should freeze, and then your entire system should hang a few seconds later. My hunch: this is caused by emacs trying to render the image after it's saved. Unfortunately, this causes emacs and my system to hang, so I can't provide any core dumps. I'm using linux 4.16.13, mesa 18.1.1, libpng 1.6.34, and imagemagick 7.0.7.38 In GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30) of 2018-05-29 built on juergen Windowing system distributor 'The X.Org Foundation', version 11.0.12000000 System Description: Arch Linux Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. Configured using: 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib --localstatedir=/var --with-x-toolkit=gtk3 --with-xft --with-modules 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt' CPPFLAGS=-D_FORTIFY_SOURCE=2 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 MODULES THREADS LIBSYSTEMD LCMS2 Important settings: value of $LC_COLLATE: en_US.UTF-8 value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib dired dired-loaddefs format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils elec-pair time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite charscript charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 95362 9471) (symbols 48 20349 1) (miscs 40 44 168) (strings 32 28460 1052) (string-bytes 1 743428) (vectors 16 14643) (vector-slots 8 496724 7908) (floats 8 49 68) (intervals 56 218 0) (buffers 992 11)) From debbugs-submit-bounces@debbugs.gnu.org Sat Jun 09 15:47:36 2018 Received: (at 31771) by debbugs.gnu.org; 9 Jun 2018 19:47:36 +0000 Received: from localhost ([127.0.0.1]:41537 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRjpo-0007H4-GC for submit@debbugs.gnu.org; Sat, 09 Jun 2018 15:47:36 -0400 Received: from mail-it0-f48.google.com ([209.85.214.48]:39435) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRjpm-0007Gm-UC; Sat, 09 Jun 2018 15:47:35 -0400 Received: by mail-it0-f48.google.com with SMTP id p185-v6so6515152itp.4; Sat, 09 Jun 2018 12:47:34 -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=DbLcM/3NNpTMbCLqX3gOqMZocJuMbMbdHg73Iut2Zbg=; b=MyKpdcoIWXIqpleXsuQPik4MkJtzOSY8HWFA8Pg4i791Hm2a/uSMQpjufNXdipjiF6 KGEqXuRAEVIQIIYLGEFEOXSas/usNRscDrmi8RmDjNOqPO+xG3mq4VxdZKxY7r+kJCpQ xWr1bdU288NSVZPPicggnUvg7KYkVm5NQu9pQWr85YlkjXRG6XG6zzXZmGI/p5xiek8T Eb0qrNYOyLNCnUlvueUQuVKwZqcDkQaBQhvOBkpFNt92xVHW2o3pLmwfo40ycoiSfhKW DhL7/Jwr2XFf6bgJetVYXJSx5VGkPq3yBtHqNcWypiTIlBO/M/BZ14Duz9S7LC8SCGDQ zlNA== 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=DbLcM/3NNpTMbCLqX3gOqMZocJuMbMbdHg73Iut2Zbg=; b=Ud11BWObCwgmPx2qt1YFbTWpBj6qw9GtCfmVhK/teVq00Z4IGOqHVyoCWomWEf6ny/ EodSHHGQV4O+jZLeXDYFU+t9riJhRCPXPVFnLgrhopTFUyA0qkv35gTBVs3Iij/Na9wO FCOj/NpQPKeU+6GhrupzY40+xWUc/sKlMYFW59ykg0K4a4R6EGnniGm25FzVppHxeM/X S6G1cJy5CpeqZ30SIXEBHBS1528FIrZMDgMcGi0NLOMpcPz9Wk5MdwAjUxCte6bA61Mq o0BTmaYro24l3ZbVQ1tWuMdro5kKlDXC1NzRukf3pPtGDoNs4R+2W+kHdzDL530xvQju rFdA== X-Gm-Message-State: APt69E2U0BWo/qfnO1diU6l16a/PviWyq9uk5MTvTZ3l69Lltu0T25VB fl+f0aHXnvDIDwyJ8dNkYodRog== X-Google-Smtp-Source: ADUXVKKRYFojvXWJ9BCRpVF+F865ayRwLMsfaPVTJiE9l1BNRAn7K+pyUi2aYvRvX+dYcIFUktuQ4w== X-Received: by 2002:a24:8782:: with SMTP id f124-v6mr6341303ite.30.1528573649289; Sat, 09 Jun 2018 12:47:29 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id c102-v6sm3488224itd.3.2018.06.09.12.47.28 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 09 Jun 2018 12:47:28 -0700 (PDT) From: Noam Postavsky To: Adam Subject: Re: bug#31771: 26.1; Writing image file with emacs hangs entire system References: Date: Sat, 09 Jun 2018 15:47:27 -0400 In-Reply-To: (Adam's message of "Sat, 9 Jun 2018 13:53:09 -0400") Message-ID: <87y3fnzqr4.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 31771 Cc: 31771@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) tags 31771 + unreproducible quit Adam writes: > After following these commands, your emacs should freeze, and then your > entire system should hang a few seconds later. I couldn't reproduce this. No hang, and if I look closely, I can see the one black pixel rendered correctly in the top left corner. Is your whole system completely frozen, or is it perhaps just using so much RAM that it goes into swap and starts thrashing and becomes very slow? If the former, I guess it's some kind of graphics driver thing, though it seems a bit funny that an image as simple as a single black pixel could wreck it. > My hunch: this is caused by emacs trying to render the image after it's > saved. Unfortunately, this causes emacs and my system to hang, so I > can't provide any core dumps. I'm using linux 4.16.13, mesa 18.1.1, > libpng 1.6.34, and imagemagick 7.0.7.38 > Configured features: > XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY > ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS > GTK3 X11 MODULES THREADS LIBSYSTEMD LCMS2 Do you really have imagemagick 7? Or do maybe also have imagemagic 6? As far as I know, the patch for Emacs to use v7 is not merged yet: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25967#41 From debbugs-submit-bounces@debbugs.gnu.org Sat Jun 09 18:09:58 2018 Received: (at 31771) by debbugs.gnu.org; 9 Jun 2018 22:09:59 +0000 Received: from localhost ([127.0.0.1]:41573 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRm3a-0003vh-MT for submit@debbugs.gnu.org; Sat, 09 Jun 2018 18:09:58 -0400 Received: from mail-qk0-f182.google.com ([209.85.220.182]:45001) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRm3Y-0003vT-2w for 31771@debbugs.gnu.org; Sat, 09 Jun 2018 18:09:56 -0400 Received: by mail-qk0-f182.google.com with SMTP id 185-v6so10908545qkk.11 for <31771@debbugs.gnu.org>; Sat, 09 Jun 2018 15:09:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:cc:references:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=5bNaMniom3UgZSIzNnlCIQVROuGIfgLeDLWVcUPGavs=; b=n9OwjFd8FxgGPUVaYrgt3CWy4FTJKtbHjMI01lrPpaGQMrjr7E7MCbiE96KdMizlED avYZeZt5wQYCyB6wjOaza7E0eMdwvhWTXtm8GT3eAi0YFibUNrFRK+BswzgFHqY7uJ6+ wp43E9L5oHBEZOrQpZ8jXcp415Jp8kqYCt0UxvN7McHwgsPUjgHUPJvvoTwexNF9USaU oUSCskVg0zBbUBHST77gu6SZeka3IbboBX2cEZypySbfIa4t3A/nkC1y/uLcHRupfJhB h/phtVgLcalfzpPLIP5n9zrfNft9xyxIcgdoJAQIpGzO4lp6IC4hONQLrvxEUnFZ8AqD jXEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=5bNaMniom3UgZSIzNnlCIQVROuGIfgLeDLWVcUPGavs=; b=JE16MkdcD1aIZ+UrYnibuPJQ6PbjlrRJdfmW7Hmec0iLqxJ700/Tqm8WmUTrgeFVkJ 8c9DpdOz/+Ia+TZVlObQdguRe4Hn2KcBlpDuAp6QC4VzAdTcfnkHlCTD4mojsrtHj/PE aO3QiMsV1zk6Rkh1YpyuP3AZbla6C5OJBEKjcD3tcqb+CUoDo+ZK0/EMQrA8LcWLueSZ qXVo5Zxm1nAgHjlDeB1ZkwHadyqrhQzIN+qX38r+hXkVCfNT38avgcctAgnw8HcRcsC9 J7iwSz6CjhtQguizTrKaHXGP6CVLoSubZtGFvpVOoerg8Y9Tgevy+rC0hZesAPo01C7g 7h+g== X-Gm-Message-State: APt69E0PnRS2IWd1UE4jJt8kjr7sgsazSEGYdAEttyfQ6eTrgtLnraSt fLrgPjMXLUM5E/WNA9HGC9ejt7mC X-Google-Smtp-Source: ADUXVKJyKfgc2+PFZsV3Tk8T9J8+/ij1bSBEdJeZf+Lzg1qPUB/llfOwiJTuSyH0tZpWPSZxpUUD8g== X-Received: by 2002:a37:b3c6:: with SMTP id c189-v6mr5380553qkf.276.1528582189850; Sat, 09 Jun 2018 15:09:49 -0700 (PDT) Received: from [192.168.1.162] (pool-71-175-1-195.phlapa.fios.verizon.net. [71.175.1.195]) by smtp.gmail.com with ESMTPSA id x12-v6sm26027453qtp.10.2018.06.09.15.09.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 09 Jun 2018 15:09:48 -0700 (PDT) From: Adam Subject: bug#31771: 26.1; Writing image file with emacs hangs entire system To: Noam Postavsky References: <87y3fnzqr4.fsf@gmail.com> Openpgp: preference=signencrypt Autocrypt: addr=adam.niederer@gmail.com; prefer-encrypt=mutual; keydata= xsFNBFd1xZsBEACxS6jC//cdlHBto17O9puLLU/deDxVmeZAmos70UxbfGEU4acJCohcKo5w mnBgNReUX8l+vydkkJeYMS9V4p2wInKnVxP/LPwlaZ7wcB26ZddF1KoHRambZFTluLbdP6Pp nYGPf19zzzkMVYpixfeZnH6CkF1cRYe2sryLacLEGce3j5DvoFgeseSbce0VieV0QWY2dcB+ lr5iWy/CukxgtU3SZXYwMB0v3xP8Ug3lMH0DDaZC/49hNJIHBLRxg9a7ZSiayeEdWRhn0hYP SQusycTPz82m3hPUVTBHuYf4cj2lA+gsUrAVlJSyGa14sp5S8b3tyVfTa9BUNJ1IFmGsaw2Q ATD+KIXJs+wUGzvd1BFP8TPuocLuLVplpBz3dv5C03Vlp+TSzH2d93t8nrWARuIEYpnAgjWQ z53jEu99oZ1TGTJNVhzt854yFGNr5opL71ODL+zFSwt+u/OLrOQF31DFZL2PC0yEd9eaP05W KgWp3H4XP3RXOP+fzWBUCABOi5XjbNq7mmvxj1efxFahloN5b/evH+Kejx0PnXLYve2VNd6T No09yfH3Z6kqk6c7PUK0MN5h/ZgDSVJ81vK5XyN2sIHtytvktMAbB57ORcniCPSyrRIv0S1K QKvTnzmNCvdpOjo5v8Tnsbwb31TWhmjj49X0BI1PCMTsJoTXqwARAQABzSdBZGFtIE5pZWRl cmVyIDxhZGFtLm5pZWRlcmVyQGdtYWlsLmNvbT7CwXcEEwEIACEFAld1xZsCGwMFCwkIBwIG FQgJCgsCBBYCAwECHgECF4AACgkQ7kc+B4bA8m6eSQ//XpBAjMVXtpYJypIsxgYFK7fonJ9R 8MGZv6HN0ZNZ+zU66dG7efMk5hctWVL9rBdiOwVuva27APrkJAv8Za12EJV+0ja4jqC6H46C fvHxkx1JV/9CVvyRGSEcMXA0R3iqQqAhDHbZ6lQvgQbfzq4yqIGDW8nT4ycUZPAygzlSnXyq iVwBQEEWe7oHnGwZ3uE8dpe5mjDnjV+eeyrmu28ZhaihDjVWaO99znVUTJpy2rY9ThkAIxl5 QUSoV89rUxgyhERhsOxlgvXHDypLMyQltq2Ush7fy4v09Vksq6z7A3j09uuIeUv2zKTvrHrx QQY0xAFIf8CVnqE5oAlJATXuKLZBjPyoqOqmEC6gtKQ2i2MbKRSseemKiO0v7I3DbuyLu6uU MNT5jlNVmx/O3IEOIT3HkOXIU7oEHOH8TpeFrddQwbeB4W8ju6ir5XuoPg9Lny2RAqMacQTu +aZ9N6l5LEm1VnRqbisURlySguT8HrOHqbxKtja9em7rfICVh2zRnS2R9SSwsD3ySeWlBdyk ZkQ/6+lrKKlk5Ai5CiOkzURY1edSsIO8DEN7Yi8AuEVxeyJ+A+r9FtXoSgWD3liK2snckASr xHspJW3/dYNmnf+u6PvIOEGnRHrraxIb1HVt8yLoWtSetFOzPMIHccy40wgl/M9S9FwEn+aK LQhsJybOwU0EV3XFmwEQAMQ8208ao3uqyCSg3AXfgIbwVEubky7rCZhJTypbI5nf9VC3gUkz w+17gPvLNgFy9G4+JcM9Np3EbRzMKXpbkC8Cxt5AJQOBc20zKPykMhTZBK0NI+h9Ji8FLh+S zXdUdvg7gaALieAZj7adU6qMZcd/nI9Fh3le9ytcXFIOGdkt5TsjA9jQNP3VJ0V/f5U5LP5Z xom1WgMlnn23gKt5EI0OJ64FunCOeCE++ze05P3Fuhi0r0VCW/dLW5Z7uW5RTjRs2YWcjyjH 0ddTY6Wyo7bWmZAf/552rq9f8EcPh0+MO9EnrpHHN6lgc7jX8YmmgSRxDWNH98DF0IzUr60W b2gi2eArbZgeS6DKYZ2fgy+WaMGP9UAOkQkzkGNwSCPuVi8tKRZtyNcRdSmBAPOXE1y18KKS DKevsnd9lM9MZfvWP1MsHwIZOHu+R2PiCx0rp84hkK120h5HJjSn4gJ0Yj6QSS8E8FPGxiSe G3sFNeKSg1LLIlLebhROmwgC2ZZQPJDh0SlUhA/qyA6zlAZNzqm6L8aYt/F/oxxJdViTqT01 8xLpqyLnyL3YgTZiWIjKtG+VC1iyJzr0/AEv+VQkvuv3ZH7EF3WHHsm/cgJdaI6fHSv4QePS R0p/v4zvyi20OZZL0xRcVBlJjtQNR7iA8n8jFf8/6jED8qbtn3YDpen3ABEBAAHCwV8EGAEI AAkFAld1xZsCGwwACgkQ7kc+B4bA8m5BEw//Q4i6CswTluO2a0194McpKX36I3+g6UY2nVjX GkcU8h2EX71CDpX/V5KQjH44j5hnxODX29KTnDB572Kn5WsgWa4uLSiT7EsnTwnKBusqJuLQ 0mSYlRizxwaZno1n7BJcVZ/LjSL64fF4eyXs/EwvOZ6pwHOyOXMX8wyE7B2Dc9gTNUgFzDdI R+msuX3QxpNC7w7rhO8K/g7FtTwU2iH4y2yDaTkBciCXO7I8f8c5JN23cMPNieId0SgxEZJR 2bVtWS6KiEqGmoGeh3azVjPzkfTxwX04hc/irog24mqAE+vVufNF7Bl2wMzrSM3sKDjOjB+6 RA5CLjWpiWVkIpMfC/7S1FkoAXI4RslHYsB4Eeud/QwLmkuuCgc+fGUe2UvXBKUOzDI9SDeE 1934ZsCTWqjMGuRG8Nhqsghcc6IEtcNxER8J1RpHUnBx5v8FQu9n1Tm+tcdWvpQcUjJcBcQH 26z2EsdD/+BWVwQ3piZjYnikEhHhGdRBCw/JMJBC361bcd99/a5ccQOcnRM0oEyREuco7/P8 3NDUtSuG/LjpUom3oJ78WUi3n0zz9NFzOA7LRoM9Jsb/BZ8xAClgC9HKlomgJXiepBIXi/Pb oBgld5ZvqDOE/VrUkDJtu8foMNyLVEOBuuTWhUxvVJVUxxtiIsELF3IJoOnDLfKqLeVT1a0= Message-ID: <431102ab-bf88-7f34-915b-baa6be1661f1@gmail.com> Date: Sat, 9 Jun 2018 18:09:50 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <87y3fnzqr4.fsf@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 31771 Cc: 31771@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) On 06/09/2018 03:47 PM, Noam Postavsky wrote: > tags 31771 + unreproducible > quit > > Adam writes: > >> After following these commands, your emacs should freeze, and then your >> entire system should hang a few seconds later. > > I couldn't reproduce this. No hang, and if I look closely, I can see > the one black pixel rendered correctly in the top left corner. > > Is your whole system completely frozen, or is it perhaps just using so > much RAM that it goes into swap and starts thrashing and becomes very > slow? If the former, I guess it's some kind of graphics driver thing, > though it seems a bit funny that an image as simple as a single black > pixel could wreck it. I don't think it's RAM-related; I'm seeing ~500MB used of 16GB whenever the system freezes. It's actually quite similar to a graphics driver hang, now that you mention it. The system is unresponsive to input and my cursor freezes, but audio keeps playing. Emacs also doesn't successfully write the decoded file to my disk. I can reproduce the issue in a debug build of 26.1, but the freeze also truncates my gdb log so I'm having a hard time nailing down exactly where it occurs (too many lisp interpreter frames :( ). I've also found that the issue only occurs iff the imagemagick feature is enabled, and can simply be reproduced with C-x C-f (the decoded black pixel image). If it's any help, the system freezes before the minibuffer is cleared and the new image is rendered (The find/write file prompt is still up and the current buffer isn't changed) >> My hunch: this is caused by emacs trying to render the image after it's >> saved. Unfortunately, this causes emacs and my system to hang, so I >> can't provide any core dumps. I'm using linux 4.16.13, mesa 18.1.1, >> libpng 1.6.34, and imagemagick 7.0.7.38 > >> Configured features: >> XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY >> ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS >> GTK3 X11 MODULES THREADS LIBSYSTEMD LCMS2 > > Do you really have imagemagick 7? Or do maybe also have imagemagic 6? > As far as I know, the patch for Emacs to use v7 is not merged yet: > https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25967#41 Ah, my apologies. Here's libmagick6: $ pacman -Qs libmagick libmagick6 6.9.9.50-1 libmagick 7.0.7.38-1 From debbugs-submit-bounces@debbugs.gnu.org Sat Jun 09 22:53:40 2018 Received: (at 31771) by debbugs.gnu.org; 10 Jun 2018 02:53:40 +0000 Received: from localhost ([127.0.0.1]:41642 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRqU7-0001hv-QK for submit@debbugs.gnu.org; Sat, 09 Jun 2018 22:53:39 -0400 Received: from mail-io0-f174.google.com ([209.85.223.174]:39546) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fRqU6-0001hj-3b for 31771@debbugs.gnu.org; Sat, 09 Jun 2018 22:53:38 -0400 Received: by mail-io0-f174.google.com with SMTP id f1-v6so20140567ioh.6 for <31771@debbugs.gnu.org>; Sat, 09 Jun 2018 19:53:38 -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=i0MtpyCJPrEwpvI+me0hj9G8By+Sn76J3Z0OFB5St0U=; b=Ricdy2MYKaWHUDJ9zd56V2GJaOxyqWZE+16zJaqe7sgpfFLPUCRwVS1IwndSACe7xD I5fL8+hqlD42ZbUmGZ5iYF+S650sj7T/4oWgafTMlqrIymvaVg3qKT+pBfvHgwSYHpmP u4pW53VQjMJE36NyNTi6KrVQOSlSMINjDzoHR8diA6kinmmWz+lHKISCW8+pYkWyfrRK JF2u0TVkkH5ZqgXZVYRZ/SXEU5remNKkpSJLZF+YEP3n3MNI5an+bzgGtalq28ksF4Ae b13Z/zRSfZbmy7o3m/rPR+Oz2Q6uUriBpz9O/WfwBNXFLm4FjNKkID8ZmbViN9/gqQvj /bvg== 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=i0MtpyCJPrEwpvI+me0hj9G8By+Sn76J3Z0OFB5St0U=; b=sqHMv7Z0DaKQXZCgTdPN94EfSwEAFRRzU+lT1rahN4r2GwyAF7Rzf+x+xhYlObQJbG M3aL7FxAff/kk9YNOJfNqIg2S5pozFo9K7qIi3iARfWpde6crLTy27T5I5IXYzGeZjG2 7O6LrS/PZ7YN/UrQPVvc4bund1py7stkOAlDCHL23V3qVUxBuIsQ8uiigeVZZdHyWr5y ZiBvAWzCAuL8dAcHvHbn11+d6gFZN8NJsatE3QEvj4a81xtOmeyUtOvTfCb//f9Ja6uF GM0bxYlw5vuoIRN5JGRyshKYzyTUVgGi2noQf4wtSVk2fIPeL+0T8/MkVISGBBHyGpT7 qm7g== X-Gm-Message-State: APt69E375eMRgAd6Q41GKI1eei/NTM9CY2/xJLtpTTbdk0iXX1QjoUdV OXM7UktECIYtwnL8iunzpzee5Q== X-Google-Smtp-Source: ADUXVKLBIvgIjmRZ90nztUAOnpEzWS1J3QIzKS1NsDXQIK72sX00Pvq/90Cn78oq/bm12tsPIPnceQ== X-Received: by 2002:a6b:c501:: with SMTP id v1-v6mr8279243iof.172.1528599212246; Sat, 09 Jun 2018 19:53:32 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id p22-v6sm9749694iog.4.2018.06.09.19.53.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 09 Jun 2018 19:53:31 -0700 (PDT) From: Noam Postavsky To: Adam Subject: Re: bug#31771: 26.1; Writing image file with emacs hangs entire system References: <87y3fnzqr4.fsf@gmail.com> <431102ab-bf88-7f34-915b-baa6be1661f1@gmail.com> Date: Sat, 09 Jun 2018 22:53:30 -0400 In-Reply-To: <431102ab-bf88-7f34-915b-baa6be1661f1@gmail.com> (Adam's message of "Sat, 9 Jun 2018 18:09:50 -0400") Message-ID: <87tvqbz711.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.8 (/) X-Debbugs-Envelope-To: 31771 Cc: 31771@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.8 (-) Adam writes: > It's actually quite similar to a graphics driver hang, now that you > mention it. The system is unresponsive to input and my cursor freezes, > but audio keeps playing. Emacs also doesn't successfully write the > decoded file to my disk. > > I can reproduce the issue in a debug build of 26.1, but the freeze also > truncates my gdb log so I'm having a hard time nailing down exactly > where it occurs (too many lisp interpreter frames :( ). I've also found > that the issue only occurs iff the imagemagick feature is enabled, and > can simply be reproduced with C-x C-f (the decoded black pixel image). So it definitely sounds like a graphics driver problem. Do you get anything in the Xorg logs? Are there any graphics driver settings you can fiddle with? I suppose it doesn't happen if you run imagemagick's 'display' command on the image? From debbugs-submit-bounces@debbugs.gnu.org Sun Jun 10 13:53:37 2018 Received: (at 31771) by debbugs.gnu.org; 10 Jun 2018 17:53:37 +0000 Received: from localhost ([127.0.0.1]:42534 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fS4X3-0008Vy-JS for submit@debbugs.gnu.org; Sun, 10 Jun 2018 13:53:37 -0400 Received: from mail-qk0-f182.google.com ([209.85.220.182]:43748) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fS4X2-0008Vl-96 for 31771@debbugs.gnu.org; Sun, 10 Jun 2018 13:53:36 -0400 Received: by mail-qk0-f182.google.com with SMTP id g126-v6so11720566qke.10 for <31771@debbugs.gnu.org>; Sun, 10 Jun 2018 10:53:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:cc:references:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=kkQDq7vvIxMNge53Kl3p7UsHayt9VPRxY/R6cLGAg6A=; b=p9gSvugYgrqan3uis2Puh/EjN9BtzWQnSqhFHe1lSKoxL0lFRMJrN3wqYuHSBEL8WE JgBp/fxUYCys4IO71sYUrp3QGAhlpw+aB9F/pyqY3z6EsjVLLwyLvf+KnBRCJ9lYN/ko oM/FLj50VA8/lW3sjeaZx+bROhdtMT9GVG4G0wMtiPisYBnpe3FJm88qXMnosW/aTK0g 5VaEXd/phiqMkvYA0g9Rgo/Plw4CcSvC4PrKTkHTOn+IWaSftperk7wXGqrI/mPKttyd BYL3/ahuvNZ7p5HapnnPImMwjJsPFBnIJnU1OTsY4gAgo1fovqeqE2QWznMlB+wJ99Pm MhXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=kkQDq7vvIxMNge53Kl3p7UsHayt9VPRxY/R6cLGAg6A=; b=NwQP6hS3iceEy8FmRoD25r2YnN9JgkXg8DsFc1l3y0QSZM04DSH7Ks7Y5L95UF3m8y usycYHx8F7XT4SOO+zrGdECSYxa8mTUh89iRMG/dkhNcFWZj9jyIOMHLnc1/zE4a5oWB C1veTIirgk2SgjpDdpNJ75sFcPE1w59/PB1g92WLKMn09OzmvK7H6p9mfn6osjEueSNN FAtGENLs2Z8y/ePlp1GtuMZFVHybm+dYew0eRA0/Do5549ZJP3haAGimmVUiONtkYbtD O/7Txdfux2OIDfy4QcZ16vyI5s6uuDJ4/mDjJDkfW4ARkN6Je7mopnr6rv+y1Xlcq9Jd muhg== X-Gm-Message-State: APt69E0VL1DPYFc3n9sTwoSgaVo+SskOCitYD33JLcs0qqiM7udRaYWP O2F83JfhfGnBe1WVhNFvkQ7sgI79 X-Google-Smtp-Source: ADUXVKJkNST5K11OZSoxdRn1VZrttbGq2wpGTEUCQ09QSTNaJSSyk85ctVDZ4eqehuZUoNLTk7cx5g== X-Received: by 2002:a37:a441:: with SMTP id n62-v6mr11901832qke.125.1528653209942; Sun, 10 Jun 2018 10:53:29 -0700 (PDT) Received: from [192.168.1.162] (pool-71-175-1-195.phlapa.fios.verizon.net. [71.175.1.195]) by smtp.gmail.com with ESMTPSA id k30-v6sm20505551qtc.31.2018.06.10.10.53.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 10 Jun 2018 10:53:28 -0700 (PDT) From: Adam Subject: Re: bug#31771: 26.1; Writing image file with emacs hangs entire system To: Noam Postavsky References: <87y3fnzqr4.fsf@gmail.com> <431102ab-bf88-7f34-915b-baa6be1661f1@gmail.com> <87tvqbz711.fsf@gmail.com> Openpgp: preference=signencrypt Autocrypt: addr=adam.niederer@gmail.com; prefer-encrypt=mutual; keydata= xsFNBFd1xZsBEACxS6jC//cdlHBto17O9puLLU/deDxVmeZAmos70UxbfGEU4acJCohcKo5w mnBgNReUX8l+vydkkJeYMS9V4p2wInKnVxP/LPwlaZ7wcB26ZddF1KoHRambZFTluLbdP6Pp nYGPf19zzzkMVYpixfeZnH6CkF1cRYe2sryLacLEGce3j5DvoFgeseSbce0VieV0QWY2dcB+ lr5iWy/CukxgtU3SZXYwMB0v3xP8Ug3lMH0DDaZC/49hNJIHBLRxg9a7ZSiayeEdWRhn0hYP SQusycTPz82m3hPUVTBHuYf4cj2lA+gsUrAVlJSyGa14sp5S8b3tyVfTa9BUNJ1IFmGsaw2Q ATD+KIXJs+wUGzvd1BFP8TPuocLuLVplpBz3dv5C03Vlp+TSzH2d93t8nrWARuIEYpnAgjWQ z53jEu99oZ1TGTJNVhzt854yFGNr5opL71ODL+zFSwt+u/OLrOQF31DFZL2PC0yEd9eaP05W KgWp3H4XP3RXOP+fzWBUCABOi5XjbNq7mmvxj1efxFahloN5b/evH+Kejx0PnXLYve2VNd6T No09yfH3Z6kqk6c7PUK0MN5h/ZgDSVJ81vK5XyN2sIHtytvktMAbB57ORcniCPSyrRIv0S1K QKvTnzmNCvdpOjo5v8Tnsbwb31TWhmjj49X0BI1PCMTsJoTXqwARAQABzSdBZGFtIE5pZWRl cmVyIDxhZGFtLm5pZWRlcmVyQGdtYWlsLmNvbT7CwXcEEwEIACEFAld1xZsCGwMFCwkIBwIG FQgJCgsCBBYCAwECHgECF4AACgkQ7kc+B4bA8m6eSQ//XpBAjMVXtpYJypIsxgYFK7fonJ9R 8MGZv6HN0ZNZ+zU66dG7efMk5hctWVL9rBdiOwVuva27APrkJAv8Za12EJV+0ja4jqC6H46C fvHxkx1JV/9CVvyRGSEcMXA0R3iqQqAhDHbZ6lQvgQbfzq4yqIGDW8nT4ycUZPAygzlSnXyq iVwBQEEWe7oHnGwZ3uE8dpe5mjDnjV+eeyrmu28ZhaihDjVWaO99znVUTJpy2rY9ThkAIxl5 QUSoV89rUxgyhERhsOxlgvXHDypLMyQltq2Ush7fy4v09Vksq6z7A3j09uuIeUv2zKTvrHrx QQY0xAFIf8CVnqE5oAlJATXuKLZBjPyoqOqmEC6gtKQ2i2MbKRSseemKiO0v7I3DbuyLu6uU MNT5jlNVmx/O3IEOIT3HkOXIU7oEHOH8TpeFrddQwbeB4W8ju6ir5XuoPg9Lny2RAqMacQTu +aZ9N6l5LEm1VnRqbisURlySguT8HrOHqbxKtja9em7rfICVh2zRnS2R9SSwsD3ySeWlBdyk ZkQ/6+lrKKlk5Ai5CiOkzURY1edSsIO8DEN7Yi8AuEVxeyJ+A+r9FtXoSgWD3liK2snckASr xHspJW3/dYNmnf+u6PvIOEGnRHrraxIb1HVt8yLoWtSetFOzPMIHccy40wgl/M9S9FwEn+aK LQhsJybOwU0EV3XFmwEQAMQ8208ao3uqyCSg3AXfgIbwVEubky7rCZhJTypbI5nf9VC3gUkz w+17gPvLNgFy9G4+JcM9Np3EbRzMKXpbkC8Cxt5AJQOBc20zKPykMhTZBK0NI+h9Ji8FLh+S zXdUdvg7gaALieAZj7adU6qMZcd/nI9Fh3le9ytcXFIOGdkt5TsjA9jQNP3VJ0V/f5U5LP5Z xom1WgMlnn23gKt5EI0OJ64FunCOeCE++ze05P3Fuhi0r0VCW/dLW5Z7uW5RTjRs2YWcjyjH 0ddTY6Wyo7bWmZAf/552rq9f8EcPh0+MO9EnrpHHN6lgc7jX8YmmgSRxDWNH98DF0IzUr60W b2gi2eArbZgeS6DKYZ2fgy+WaMGP9UAOkQkzkGNwSCPuVi8tKRZtyNcRdSmBAPOXE1y18KKS DKevsnd9lM9MZfvWP1MsHwIZOHu+R2PiCx0rp84hkK120h5HJjSn4gJ0Yj6QSS8E8FPGxiSe G3sFNeKSg1LLIlLebhROmwgC2ZZQPJDh0SlUhA/qyA6zlAZNzqm6L8aYt/F/oxxJdViTqT01 8xLpqyLnyL3YgTZiWIjKtG+VC1iyJzr0/AEv+VQkvuv3ZH7EF3WHHsm/cgJdaI6fHSv4QePS R0p/v4zvyi20OZZL0xRcVBlJjtQNR7iA8n8jFf8/6jED8qbtn3YDpen3ABEBAAHCwV8EGAEI AAkFAld1xZsCGwwACgkQ7kc+B4bA8m5BEw//Q4i6CswTluO2a0194McpKX36I3+g6UY2nVjX GkcU8h2EX71CDpX/V5KQjH44j5hnxODX29KTnDB572Kn5WsgWa4uLSiT7EsnTwnKBusqJuLQ 0mSYlRizxwaZno1n7BJcVZ/LjSL64fF4eyXs/EwvOZ6pwHOyOXMX8wyE7B2Dc9gTNUgFzDdI R+msuX3QxpNC7w7rhO8K/g7FtTwU2iH4y2yDaTkBciCXO7I8f8c5JN23cMPNieId0SgxEZJR 2bVtWS6KiEqGmoGeh3azVjPzkfTxwX04hc/irog24mqAE+vVufNF7Bl2wMzrSM3sKDjOjB+6 RA5CLjWpiWVkIpMfC/7S1FkoAXI4RslHYsB4Eeud/QwLmkuuCgc+fGUe2UvXBKUOzDI9SDeE 1934ZsCTWqjMGuRG8Nhqsghcc6IEtcNxER8J1RpHUnBx5v8FQu9n1Tm+tcdWvpQcUjJcBcQH 26z2EsdD/+BWVwQ3piZjYnikEhHhGdRBCw/JMJBC361bcd99/a5ccQOcnRM0oEyREuco7/P8 3NDUtSuG/LjpUom3oJ78WUi3n0zz9NFzOA7LRoM9Jsb/BZ8xAClgC9HKlomgJXiepBIXi/Pb oBgld5ZvqDOE/VrUkDJtu8foMNyLVEOBuuTWhUxvVJVUxxtiIsELF3IJoOnDLfKqLeVT1a0= Message-ID: <2d37f921-5253-8dcc-9d30-738a1996451c@gmail.com> Date: Sun, 10 Jun 2018 13:53:30 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <87tvqbz711.fsf@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 31771 Cc: 31771@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) On 06/09/2018 10:53 PM, Noam Postavsky wrote: > So it definitely sounds like a graphics driver problem. Do you get > anything in the Xorg logs? Are there any graphics driver settings you > can fiddle with? I suppose it doesn't happen if you run imagemagick's > 'display' command on the image? `display` doesn't hang my system, and I see nothing out of the ordinary in my Xorg logs. I was able to figure out which line causes the hang, though: A call to MagickMergeImageLayers at image.c:8728 (on the emacs 26.1 tag) 8724 { 8725 MagickWand *new_wand; 8726 MagickSetImageBackgroundColor (image_wand, bg_wand); 8727 #ifdef HAVE_MAGICKMERGEIMAGELAYERS 8728 new_wand = MagickMergeImageLayers (image_wand, MergeLayer); 8729 #else 8730 new_wand = MagickFlattenImages (image_wand); 8731 #endif 8732 DestroyMagickWand (image_wand); 8733 image_wand = new_wand; 8734 } Using the deprecated MagickFlattenImages call also causes the hang. I'll compile a libmagick6 later and see if I can find the underlying problem, but this definitely isn't emacs' fault. Thanks for all the help! From debbugs-submit-bounces@debbugs.gnu.org Wed Jul 11 17:41:34 2018 Received: (at control) by debbugs.gnu.org; 11 Jul 2018 21:41:34 +0000 Received: from localhost ([127.0.0.1]:55990 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fdMre-0002os-0V for submit@debbugs.gnu.org; Wed, 11 Jul 2018 17:41:34 -0400 Received: from mail-io0-f172.google.com ([209.85.223.172]:46758) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fdMrb-0002og-Vm for control@debbugs.gnu.org; Wed, 11 Jul 2018 17:41:32 -0400 Received: by mail-io0-f172.google.com with SMTP id i18-v6so10061806ioj.13 for ; Wed, 11 Jul 2018 14:41:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version; bh=VegEGoKfMmXyHK02vvlViE3RIDlv24VCqC73a6msPuA=; b=RiRwENTGx/qQX8GTuB/1JgaXGpEx3gi+A6Zjv6QlVnRnRSdo1iQjmYu02zOL2HOlQD 8f2yc3HOUWbj0yNSzHr/tM3N7KolNwdU6lXt9ZCqMGhaVWlcWrMCwQVsh7pBJV2NUIFA Sw9TwSfJZBt2rjI6YonffPSNFGhbhEsWJgZuqqDDPpTbpDek5L/jn5i97oJwWu+tYg8w +oMjCAGKFpkDnZY0hmzG/5Dwf4mPSj2/ZvMtIty8VdaB+Q8ljPp2+fTlQ/4FINUKbze8 o8U/5OxyLp9QGfwXAyENzZ3PNZkdrJV7ZXrWnbe81HrZS/NyV/aUlI+1uVgcJ1oe6h1M EOog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version; bh=VegEGoKfMmXyHK02vvlViE3RIDlv24VCqC73a6msPuA=; b=Eq2+D3/K1XAVii32ZeNWGB7/J56ZvN+dM5xqJbJYL5xo50sL5se2IpdE7wc+6wXsam 2fkAKPnLYWHudvjXEC0ui2aJlnm2I7jRHNqyCC4MjfXyAa9WJa1eErUrWglaa2W6/1Os yQ/zlVqrviuzssj6IfgSJ6sVVAY6FKOJV2P7c7gjwW/0dIRcygX10Ydbc53bAze/JBSr xrBDfXAtenp+2BENusnrBrCybW6DWZTUM+P6lRwo01UkhMAHAJshaOSUXsLN2WQJRsiL DglbFG0x1EwuaEIhUpi7fAGh/2WKW1dfli1ojGFqWcP5MpwYlEN0tZsjvrAZ+3W1HNNr +1aQ== X-Gm-Message-State: APt69E0CmYqWv6z+jxW3EISdB4Jk/8BfuiiaN6yz1++6h1WuGoWTauDK Ww/abgkYZBao42HJniltURGwPA== X-Google-Smtp-Source: AAOMgpcmJQvGi2y2Cn3fr+7UjES7gVOXwowQFR7gRqKWG5UrHPuw+LYtElqa46qQ3/rEqeU4mLYeEg== X-Received: by 2002:a6b:b207:: with SMTP id b7-v6mr26044505iof.186.1531345286351; Wed, 11 Jul 2018 14:41:26 -0700 (PDT) Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id g26-v6sm253204iti.0.2018.07.11.14.41.25 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 11 Jul 2018 14:41:25 -0700 (PDT) From: Noam Postavsky To: control@debbugs.gnu.org Subject: control message for bug #31771 Date: Wed, 11 Jul 2018 17:41:24 -0400 Message-ID: <87fu0pbgcb.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) retitle 31771 26.1; [imagemagick] Writing image file with emacs hangs entire system quit From debbugs-submit-bounces@debbugs.gnu.org Sun Jul 22 22:21:53 2018 Received: (at 31771) by debbugs.gnu.org; 23 Jul 2018 02:21:53 +0000 Received: from localhost ([127.0.0.1]:52935 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fhQTx-0000eL-9R for submit@debbugs.gnu.org; Sun, 22 Jul 2018 22:21:53 -0400 Received: from mail.tangentbundle.de ([78.47.207.109]:45933) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fhQ5V-0008Vl-6A for 31771@debbugs.gnu.org; Sun, 22 Jul 2018 21:56:37 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.tangentbundle.de (Postfix) with ESMTP id 9387E1231C8 for <31771@debbugs.gnu.org>; Mon, 23 Jul 2018 03:56:35 +0200 (CEST) Received: from mail.tangentbundle.de ([127.0.0.1]) by localhost (tangentbundle.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id dlas0BsrvVJv for <31771@debbugs.gnu.org>; Mon, 23 Jul 2018 03:56:35 +0200 (CEST) Received: from [192.168.2.50] (pD9ED4040.dip0.t-ipconnect.de [217.237.64.64]) by mail.tangentbundle.de (Postfix) with ESMTPSA id 430B612070F for <31771@debbugs.gnu.org>; Mon, 23 Jul 2018 03:56:35 +0200 (CEST) To: 31771@debbugs.gnu.org From: Joerg Kulbartz Subject: 26.1; [imagemagick] Writing image file with emacs hangs entire system Openpgp: preference=signencrypt Autocrypt: addr=yoshi@yomols.de; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 31771 X-Mailman-Approved-At: Sun, 22 Jul 2018 22:21:52 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) A workaround for the bug, at least for me, seems to disable OpenCL for ImageMagick by setting the environment variable MAGICK_OCL_DEVICE=OFF (h/t https://bugs.archlinux.org/task/47864 ) From debbugs-submit-bounces@debbugs.gnu.org Tue Aug 27 08:18:33 2019 Received: (at control) by debbugs.gnu.org; 27 Aug 2019 12:18:33 +0000 Received: from localhost ([127.0.0.1]:47824 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i2aQj-0000tH-KU for submit@debbugs.gnu.org; Tue, 27 Aug 2019 08:18:33 -0400 Received: from mail-pg1-f181.google.com ([209.85.215.181]:40907) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i2aQh-0000t2-Mf for control@debbugs.gnu.org; Tue, 27 Aug 2019 08:18:32 -0400 Received: by mail-pg1-f181.google.com with SMTP id w10so12601837pgj.7 for ; Tue, 27 Aug 2019 05:18:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=plmbFldR7VvHGmQcOw8mACRSQ+zb/G8L/1O5AhtcpyQ=; b=PJUcv5XM6/1ImweBraX8/b0zXTBkFBAAxO92u52CWpcg80vPV4CfznXqIQpnGJ6Mid mVDR2g7vVltASgesJTs40JLGTPED2kD5A22/3jw67i8ssHMNmuQVoCODfO1F5epbLWtX Q0X/qNQbI7zWzlDG3w29sv5cbUjPzVzMiy49g+DynKbv7Z80SWXLToRvIyuNapSagY7+ gEh2hYLqOHkIe1w/4XQzzhnEi6rlAhrFgxIEj1iOo+KTWsYA3PiatVj8E0eXxgU5wyzw orKH9Vkhv2Po3M1NpZ8Mpfag8ktMBRBJxckJ2PPalQVGXU7Uj1lYRjxRvS0Y5EasNpoB okZQ== X-Gm-Message-State: APjAAAW5k9a/ybwUeqSHVutci73rpeNUHFeP33QJIp/m/dfw+bzF0m1f E+3aqQBRP2GzxPH7a3PNrK8l85CWHS1z/SF9/h26xWEU X-Google-Smtp-Source: APXvYqyTEMoPN9E5vNnLgg7T1nVw0pXmPwvbkkaJ/h4y+lHdx2aM15VpONtrRKuKc+Ugk3JXRaPBdrWWZYlO1y/4CI8= X-Received: by 2002:a63:69c1:: with SMTP id e184mr20104064pgc.198.1566908305787; Tue, 27 Aug 2019 05:18:25 -0700 (PDT) MIME-Version: 1.0 From: Stefan Kangas Date: Tue, 27 Aug 2019 14:18:14 +0200 Message-ID: Subject: Re: bug#31771: 26.1; Writing image file with emacs hangs entire system To: control@debbugs.gnu.org Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.4 (/) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.6 (/) tags 31771 + notabug quit Adam writes: > I'll compile a libmagick6 later and see if I can find the underlying > problem, but this definitely isn't emacs' fault. From debbugs-submit-bounces@debbugs.gnu.org Tue Sep 24 12:48:07 2019 Received: (at control) by debbugs.gnu.org; 24 Sep 2019 16:48:07 +0000 Received: from localhost ([127.0.0.1]:40000 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iCnyw-0007AQ-NN for submit@debbugs.gnu.org; Tue, 24 Sep 2019 12:48:06 -0400 Received: from quimby.gnus.org ([80.91.231.51]:40426) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iCnyt-0007AE-VU for control@debbugs.gnu.org; Tue, 24 Sep 2019 12:48:04 -0400 Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=marnie) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iCnyr-0001Lc-2a for control@debbugs.gnu.org; Tue, 24 Sep 2019 18:48:03 +0200 Date: Tue, 24 Sep 2019 18:48:00 +0200 Message-Id: <87lfudy727.fsf@gnus.org> To: control@debbugs.gnu.org From: Lars Ingebrigtsen Subject: control message for bug #31771 X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. 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