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Re: Emacs Hangs on Filesystem Operations on Stale NFS

From: Andreas Schwab
Subject: Re: Emacs Hangs on Filesystem Operations on Stale NFS
Date: Mon, 11 Jun 2018 13:50:50 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

On Jun 11 2018, Alexander Shukaev <address@hidden> wrote:

> On 2018-06-11 13:01, Andreas Schwab wrote:
>> On Jun 11 2018, Alexander Shukaev <address@hidden> 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.

Is it?  Looks like you have an unreliable NFS server, but that's hardly
Emacs' problem.  I have no problem with $HOME on NFS.


Andreas Schwab, SUSE Labs, address@hidden
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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