bug#38728: 26.3; eshell with tramp su is unable to execute system binaries

[Michael Albinus]

Michael Albinus <michael.albinus@gmx.de> writes:

Hi Adam,

>> 1. M-x eshell
>> 2. Insert the following into the eshell prompt:
>> cd (concat "/su:root@"system-name":"default-directory)
>> 3. RET
>> 4. *ls RET
>>
>> returns the following:
>>
>> /su:root@kiss:/bin/ls: not an executable file
>
> I've tried to reproduce it with Emacs 26.3 as provided by Ubuntu 19.10,
> but it works for me. *ls returns the requested file names.
>
> I had to modify your example slightly:
>
> * use sudo instead of su
> * expand default-directory due to ~/
>
> So I have applied
>
> cd (concat "/sudo::" (expand-file-name default-directory))
>
> But this shouldn't make a difference wrt the problem. I have also
> started Emacs with "-Q", in order to suppress any config. Could you do
> it also? I see ido in your messages, for example.

Any news? I fear I cannot do anything w/o more information.

Best regards, Michael.