From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Emacs Hangs on Filesystem Operations on Stale NFS Date: Wed, 13 Jun 2018 08:40:45 -0700 Organization: UCLA Computer Science Department Message-ID: <0f636e2a-6ac7-221a-dbc5-d11b197e39f8@cs.ucla.edu> References: <1727545582523435cab149c2bc857b40@alexander.shukaev.name> <7466e2d177e79983436af2425ceb5b54@alexander.shukaev.name> <83efhdqq28.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1528904347 7384 195.159.176.226 (13 Jun 2018 15:39:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 13 Jun 2018 15:39:07 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 Cc: schwab@suse.de, emacs-devel-bounces+emacs=alexander.shukaev.name@gnu.org, npostavs@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii , Alexander Shukaev Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jun 13 17:39:02 2018 Return-path: Envelope-to: ged-emacs-devel@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 1fT7rQ-0001la-RZ for ged-emacs-devel@m.gmane.org; Wed, 13 Jun 2018 17:39:01 +0200 Original-Received: from localhost ([::1]:35222 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fT7tX-0007Hy-Rp for ged-emacs-devel@m.gmane.org; Wed, 13 Jun 2018 11:41:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39990) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fT7tM-0007Gj-PH for emacs-devel@gnu.org; Wed, 13 Jun 2018 11:41:01 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fT7tL-0000fm-Qx for emacs-devel@gnu.org; Wed, 13 Jun 2018 11:41:00 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:34138) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fT7tF-0000Ik-Nb; Wed, 13 Jun 2018 11:40:53 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 25F9A160650; Wed, 13 Jun 2018 08:40:51 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id NwDo4jwPFfg0; Wed, 13 Jun 2018 08:40:50 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 6726116065F; Wed, 13 Jun 2018 08:40:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id OqSPao-E0Y4L; Wed, 13 Jun 2018 08:40:50 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [47.154.30.119]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id E1D1A160650; Wed, 13 Jun 2018 08:40:49 -0700 (PDT) Openpgp: preference=signencrypt Autocrypt: addr=eggert@cs.ucla.edu; prefer-encrypt=mutual; keydata= xsFNBEyAcmQBEADAAyH2xoTu7ppG5D3a8FMZEon74dCvc4+q1XA2J2tBy2pwaTqfhpxxdGA9 Jj50UJ3PD4bSUEgN8tLZ0san47l5XTAFLi2456ciSl5m8sKaHlGdt9XmAAtmXqeZVIYX/UFS 96fDzf4xhEmm/y7LbYEPQdUdxu47xA5KhTYp5bltF3WYDz1Ygd7gx07Auwp7iw7eNvnoDTAl KAl8KYDZzbDNCQGEbpY3efZIvPdeI+FWQN4W+kghy+P6au6PrIIhYraeua7XDdb2LS1en3Ss mE3QjqfRqI/A2ue8JMwsvXe/WK38Ezs6x74iTaqI3AFH6ilAhDqpMnd/msSESNFt76DiO1ZK QMr9amVPknjfPmJISqdhgB1DlEdw34sROf6V8mZw0xfqT6PKE46LcFefzs0kbg4GORf8vjG2 Sf1tk5eU8MBiyN/bZ03bKNjNYMpODDQQwuP84kYLkX2wBxxMAhBxwbDVZudzxDZJ1C2VXujC OJVxq2kljBM9ETYuUGqd75AW2LXrLw6+MuIsHFAYAgRr7+KcwDgBAfwhPBYX34nSSiHlmLC+ KaHLeCLF5ZI2vKm3HEeCTtlOg7xZEONgwzL+fdKo+D6SoC8RRxJKs8a3sVfI4t6CnrQzvJbB n6gxdgCu5i29J1QCYrCYvql2UyFPAK+do99/1jOXT4m2836j1wARAQABzSBQYXVsIEVnZ2Vy dCA8ZWdnZXJ0QGNzLnVjbGEuZWR1PsLBfgQTAQIAKAUCTIByZAIbAwUJEswDAAYLCQgHAwIG FQgCCQoLBBYCAwECH In-Reply-To: <83efhdqq28.fsf@gnu.org> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:226295 Archived-At: Eli Zaretskii wrote: > I'd be much happier if we could interrupt such hangs, > e.g. by C-g, as Stefan points out (on a TTY frame, this should already > be possible in many cases, since C-g there generates SIGINT). But I'm > not sure this would be possible in general. Maybe Paul will have some > ideas. I agree with you. Luckily, it appears that there's nothing Emacs can practically do to address this question for NFS mounts in general, so we needn't worry about this for Emacs in particular.