Re: recurrent tramp hangs with non-tramp usage

[Michael Albinus]

Seb <address@hidden> writes:

> Hi,

Hi,

> I'm experiencing hangs when, for instance, trying to compose a mail
> message (hitting 'm': gnus-group-mail).  Emacs hangs for several
> minutes, with a message in the minibuffer:
>
> Tramp: Waiting for prompts from remote shell
>
> Eventually it gets out of the hang, and checking the *Messages* buffer,
> I see:
>
> Tramp: Opening connection for ssh using scpc...
> Tramp: Sending command `exec ssh   -o ControlPath=/tmp/address@hidden:%p -o 
> ControlMaster=yes -e none ssh'
>
> Tramp: Waiting for prompts from remote shell
> Tramp: Sending command `exec ssh   -o ControlPath=/tmp/address@hidden:%p -o 
> ControlMaster=yes -e none ssh'
> Tramp: Opening connection for ssh using scpc...done
> Tramp: Opening connection for ssh using scpc...
> Tramp: Sending command `exec ssh   -o ControlPath=/tmp/address@hidden:%p -o 
> ControlMaster=yes -e none ssh'
>
> The buffer *tramp/scpc ssh* buffer shows:
>
> ssh: Could not resolve hostname ssh: Name or service not known
>
> Process *tramp/scpc ssh* exited abnormally with code 255
>
> Any tips what may be going on?  Thanks.

Once, you have tried to open "/ssh:". This host is unknown, that's what
Tramp is telling you.

You can get rid of it by calling M-x tramp-cleanup-all-connections

> Cheers,

Best regards, Michael.