From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#42903: 28.0.50; Emacs doesn't start if the current directory is inaccessible Date: Mon, 17 Aug 2020 15:16:08 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37830"; mail-complaints-to="usenet@ciao.gmane.io" To: 42903@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 17 15:17:14 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1k7f0j-0009hK-2E for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 17 Aug 2020 15:17:13 +0200 Original-Received: from localhost ([::1]:37346 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k7f0h-0002jl-Tm for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 17 Aug 2020 09:17:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49424) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k7f0Y-0002jW-Nd for bug-gnu-emacs@gnu.org; Mon, 17 Aug 2020 09:17:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48061) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k7f0Y-0004fG-EK for bug-gnu-emacs@gnu.org; Mon, 17 Aug 2020 09:17:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1k7f0Y-00056i-8y for bug-gnu-emacs@gnu.org; Mon, 17 Aug 2020 09:17:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Philipp Stephani Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 17 Aug 2020 13:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42903 X-GNU-PR-Package: emacs Original-Received: via spool by 42903-submit@debbugs.gnu.org id=B42903.159767018819587 (code B ref 42903); Mon, 17 Aug 2020 13:17:02 +0000 Original-Received: (at 42903) by debbugs.gnu.org; 17 Aug 2020 13:16:28 +0000 Original-Received: from localhost ([127.0.0.1]:59607 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7f00-00055r-5X for submit@debbugs.gnu.org; Mon, 17 Aug 2020 09:16:28 -0400 Original-Received: from mail-oo1-f41.google.com ([209.85.161.41]:38135) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7ezy-00055e-Jw for 42903@debbugs.gnu.org; Mon, 17 Aug 2020 09:16:27 -0400 Original-Received: by mail-oo1-f41.google.com with SMTP id z11so3388470oon.5 for <42903@debbugs.gnu.org>; Mon, 17 Aug 2020 06:16:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :content-transfer-encoding; bh=StkerGwXXIndnGl/vINnDSslGVDfL6S6TFJRvGxkkmQ=; b=NJ9pIooWByvf/nlXHUh+wICOlYqyCaW49A7oFMOTr7okkHGSz/XGy6GO98xZE9EDJQ TDl8r+pGcx7jJXXs5QfosjhTWyz4I1aBhljWAXK//V2BUhur6eyZ84FOuwqyVAEmOVgS Cza7Ja1jvYjgYnwlZlaLn2g0YKNdO4YFviuQpNXrjqN3xphQuXvzjvWCuGkmvW67TkEX XMdevo89r0N8Jzaa194k8MI8JFkx37fpLPzApKZ1ok9G+QBUNpn5iilAPlr/oOjlM/ya zmp8VEywxz/BzhCv72qK63tZJQsvFSZyfu7RCYLfRTQ9m1QUpbtOKdrc6ePePCuW15n/ Qq+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:content-transfer-encoding; bh=StkerGwXXIndnGl/vINnDSslGVDfL6S6TFJRvGxkkmQ=; b=t37J+GmgkDr+4Fj5AsY3vN4zk/cbZX6zouLPHlQ30dI87YUCdYohT2DkAap8XAwAbg hpA0niJdQ8nlX1NNTTm0vgb7jpe0mkZ4JUGvdxs37g8Ui+cQumXGVfXSRWZ5Jcd+DSPQ cjN22ECpYtuHt63u5BAUe7sIgH7YFeHol2FoxfIkn7WRp9QWhbbFxfqjsE0O0KYtUt4k S/pTX3D+dP/XdahLtdmlbiOzYD5H+BbPHtc49gG3MCbW23VqM5mQlZLOqRdb5mJXiPty 8vJYNfd4t14WtUxpBXgpBTUDFIlho/b4iefh8Bo2UHLifDqoMSkcmqYO7QkYPADx0sT5 G7xg== X-Gm-Message-State: AOAM5302scGF+7Y8To/7Tu0AnXrTT4D8bzOvZ8mC6d0AqHvHtjgP5yZP tyUuLVP+qhzhPYJRNSLM3RgIM6My0tsvdYVJ50sa0mVoGx4= X-Google-Smtp-Source: ABdhPJwsU4cl30mmiHqkDqrBfBiXnB4cyRktXhlw0hdIVODcIeq9IP7DSiR/LULtbtFIf2W98GLe/wh2I4NVTiL0OuQ= X-Received: by 2002:a4a:c587:: with SMTP id x7mr10891813oop.60.1597670180296; Mon, 17 Aug 2020 06:16:20 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:185376 Archived-At: Am Mo., 17. Aug. 2020 um 14:53 Uhr schrieb Philipp Stephani : > > > 1. Create a FUSE mount where the FS driver runs in the foreground, > e.g. using > > bindfs -f /bin /tmp/foo > > 2. In another shell, cd into the new mount point: > > cd /tmp/foo > > 3. Kill the bindfs process started in step (1) (e.g. using C-c). > > 4. In the shell (2), start Emacs: > > $ emacs -Q > Error getting directory: Transport endpoint is not connected > Symbol=E2=80=99s value as variable is void: auto-save-list-file-prefix > > The "void variable" error is clearly a bug. In general, Emacs should > fall back to / or ~ if the current directory is inaccessible. > > The Lisp backtrace is > > "default-toplevel-value" (0xffffb650) > "custom-initialize-reset" (0xffffbc00) > "custom-declare-variable" (0xffffc270) > "byte-code" (0xffffc740) > "display-warning" (0xffffcf30) > "normal-top-level" (0xffffd600) > > i.e. it looks like `display-warning' is called too early. The culprit might be commit 636856faa4de78912bf41eeaf0e639664a323424 (but I haven't checked in detail). In any case, this also happens in Emacs 27 and appears to be a regression w.r.t. Emacs 26.