From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Alexander Shukaev Newsgroups: gmane.emacs.devel Subject: Re: Emacs Hangs on Filesystem Operations on Stale NFS Date: Mon, 11 Jun 2018 13:05:15 +0200 Message-ID: <288488e642ec1f2ea0d1d15ab5dfe43b@alexander.shukaev.name> References: <1727545582523435cab149c2bc857b40@alexander.shukaev.name> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1528715036 22064 195.159.176.226 (11 Jun 2018 11:03:56 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 11 Jun 2018 11:03:56 +0000 (UTC) User-Agent: Roundcube Webmail/1.1.2 Cc: emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jun 11 13:03:51 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 1fSKc3-0005eI-JS for ged-emacs-devel@m.gmane.org; Mon, 11 Jun 2018 13:03:51 +0200 Original-Received: from localhost ([::1]:47733 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fSKeA-0003VY-OJ for ged-emacs-devel@m.gmane.org; Mon, 11 Jun 2018 07:06:02 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60056) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fSKdX-0003VE-IJ for emacs-devel@gnu.org; Mon, 11 Jun 2018 07:05:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fSKdT-0002be-J1 for emacs-devel@gnu.org; Mon, 11 Jun 2018 07:05:23 -0400 Original-Received: from relay4-d.mail.gandi.net ([217.70.183.196]:56211) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fSKdT-0002aY-Cx for emacs-devel@gnu.org; Mon, 11 Jun 2018 07:05:19 -0400 Original-Received: from webmail.gandi.net (unknown [10.200.201.13]) (Authenticated sender: forum@alexander.shukaev.name) by relay4-d.mail.gandi.net (Postfix) with ESMTPA id 642D6E0014; Mon, 11 Jun 2018 11:05:15 +0000 (UTC) In-Reply-To: X-Sender: emacs@alexander.shukaev.name X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 217.70.183.196 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:226191 Archived-At: On 2018-06-11 13:01, Andreas Schwab wrote: > On Jun 11 2018, Alexander Shukaev wrote: > >> I initiated a discussion back in 2015 [1] about fragility of Emacs in >> terms of filesystem operations on stale NFS. No solution actually >> came >> out of this discussion. I still find this issue very disruptive. Yet >> another example would be `recentf-cleanup' which is in my case >> triggered >> on Emacs start up, when the file comes from stale NFS, the >> corresponding >> `file-readable-p' down the stack will hang indefinitely, and there >> would >> be no way to unfreeze it apart from issuing 'kill -9' to that Emacs >> instance. Don't you people find it unacceptable for the daily usage? > > How is that a bug in Emacs if you have stale NFS mounts? > > Andreas. I didn't find a word "bug" in that quote. I'd rather call it a robustness enhancement. By the way, I guess you just don't realize how easy it is to run into that situation on daily basis.