Re: tramp (2.7.0-pre nil/nil); Can't connect to server anymore

[Kirill A. Korinsky]

Greetings,

> On 6. Jan 2024, at 15:38, Michael Albinus <michael.albinus@gmx.de> wrote:
> 
> "Kirill A. Korinsky" <kirill@korins.ky> writes:
> 
>>>> Meanwhile I was able to localise the issue: permission to /tmp on server 
>>>> side.
>>>> As soon as I fixed it and my user may write into it, everything works fine.
>>> 
>>> Good to know there's no bug. Thanks for letting us know.
>> 
>> I really think that error message should be a bit more different that this 
>> one.
>> It was quite tricky to ping point the issue.
> 
> The error message came from somewhere else, it was a follow-up error. So
> it couldn't speak about the real problem.
> 
> But I don't understand yet how this could happen. Tramp has the function
> tramp-handle-temporary-file-directory, which returns a proper remote
> temporary directory, or nil if there isn't. And this includes the
> file-writable-p check. Hmm.
> 
> I'll dig further. First, I need a simple recipe for error reproduction.


I can easy reproduce this error by remove write access to /tmp folder on remote 
host like that:

ssh some.host sudo chmod -w /tmp


--
wbr, Kirill

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