Strange behaviour of sudo and eshell

Strange behaviour of sudo and eshell

[Aleš Bizjak]

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Recently, sudo has stopped working in eshell with the error being

~ $ sudo ls
Variable binding depth exceeds max-specpdl-size
~ $

I had tried to find out what is the source of presumably, some loop, but
couldn't find out exactly, but quite by accident, I noticed that sudo
starts working if I load tramp (as in (require 'tramp)). It doesn't matter
if it is loaded before or after loading eshell.

So this is what I do now to get sudo working, but I am curious why this
happens. If I recall correctly, although I haven't used eshell much at that
point, sudo used to work without this a few versions back. The only other
configuration of eshell I have is

(require 'eshell)
(setq eshell-cmpl-ignore-case t
      eshell-cmpl-cycle-completions nil)

which I believe shouldn't interfere. This happens with a few recent
pretests. The latest I have installed is

GNU Emacs 24.2.93.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.13)

compiled from source.

-- Best, Aleš

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Re: Strange behaviour of sudo and eshell

[Michael Albinus]

Aleš Bizjak <ales.bizjak0@gmail.com> writes:

> Recently, sudo has stopped working in eshell with the error being
>
> ~ $ sudo ls
> Variable binding depth exceeds max-specpdl-size
> ~ $ 
>
> I had tried to find out what is the source of presumably, some loop,
> but couldn't find out exactly, but quite by accident, I noticed that
> sudo starts working if I load tramp (as in (require 'tramp)). It
> doesn't matter if it is loaded before or after loading eshell.
>
> So this is what I do now to get sudo working, but I am curious why
> this happens. If I recall correctly, although I haven't used eshell
> much at that point, sudo used to work without this a few versions
> back. The only other configuration of eshell I have is
>
> (require 'eshell)
> (setq eshell-cmpl-ignore-case t
> eshell-cmpl-cycle-completions nil)
>
> which I believe shouldn't interfere. This happens with a few recent
> pretests. The latest I have installed is
>
> GNU Emacs 24.2.93.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.13)
>
> compiled from source. 

Which bzr version have you used? There was a fix recently, in bzr #111277.

> -- Best, Aleš

Best regards, Michael.

Re: Strange behaviour of sudo and eshell

[Aleš Bizjak]

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On 24 February 2013 21:45, Michael Albinus <michael.albinus@gmx.de> wrote:

> Which bzr version have you used? There was a fix recently, in bzr #111277.


I used the latest one from the gnu ftp server.

ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-24.2.93.tar.xz

I don't know which bzr version that is, sorry.

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Re: Strange behaviour of sudo and eshell

[Michael Albinus]

Aleš Bizjak <ales.bizjak0@gmail.com> writes:

Hi Aleš,

>     Which bzr version have you used? There was a fix recently, in bzr
>     #111277.
>
> I used the latest one from the gnu ftp server.
>
> ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-24.2.93.tar.xz
>
> I don't know which bzr version that is, sorry.

That prerelease is from Feb 7th. The fix I have mentioned was committed
on Feb 18th.

So you might check with the next prerelease version, which is expected
later this week.

Best regards, Michael.