Re: Emacs Hangs on Filesystem Operations on Stale NFS

[Alexander Shukaev <emacs@alexander.shukaev.name>]

On 2018-06-11 13:50, Andreas Schwab wrote:
> On Jun 11 2018, Alexander Shukaev <emacs@alexander.shukaev.name> wrote:
> 
>> On 2018-06-11 13:01, Andreas Schwab wrote:
>>> On Jun 11 2018, Alexander Shukaev <emacs@alexander.shukaev.name> 
>>> 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.

Andreas, please let's finish that pointless thread branch.  I know what 
are you getting at but this has nothing to do with the fact that Emacs 
is fragile to external hang issues.  I'm very glad that you have 
reliable NFS server but the problem in my case has a completely 
different origin.  It's like you're jumping out of your skin to turn 
that feature proposal down, while I see no valid reasons for your 
defensive stance given that weak argumentation.