GNU bug report logs - #38025
26.1; tramp-unload-tramp renders Emacs completely unresponsive

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Markus Triska <triska <at> metalevel.at>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.1; tramp-unload-tramp renders Emacs completely unresponsive
Date: Fri, 01 Nov 2019 22:41:33 +0100

On OSX, when I start Emacs with:

    $ emacs -Q

and then log in to a remote Debian server "s" via:

    C-x C-f /-:s: RET

it works as expected. However, when I then do:

    M-x tramp-unload-tramp RET

then Emacs hangs and no longer reacts to anything, not even to C-g.

Can you reproduce this? Thank you!


In GNU Emacs 26.1 (build 1, x86_64-apple-darwin15.3.0, X toolkit, Xaw scroll bars)
 of 2018-09-22 built on mt-macbook

Message #8 received at 38025 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Markus Triska <triska <at> metalevel.at>
Cc: 38025 <at> debbugs.gnu.org
Subject: Re: bug#38025: 26.1; tramp-unload-tramp renders Emacs completely
 unresponsive
Date: Sat, 02 Nov 2019 10:09:39 +0100

Markus Triska <triska <at> metalevel.at> writes:

Hi Markus,

> On OSX, when I start Emacs with:
>
>     $ emacs -Q
>
> and then log in to a remote Debian server "s" via:
>
>     C-x C-f /-:s: RET
>
> it works as expected. However, when I then do:
>
>     M-x tramp-unload-tramp RET
>
> then Emacs hangs and no longer reacts to anything, not even to C-g.
>
> Can you reproduce this? Thank you!

Yep, I can reproduce it locally. As said the other message, you don't
need this usually.

tramp-test.el runs tramp-test45-unload succesfully. But this test case
does not open a remote connection first.

I will try to fix this bug, and to extend tramp-test45-unload
respectively. Experience shows that testing Tramp unload will take time.

Best regards, Michael.

Message #13 received at 38025-done <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Markus Triska <triska <at> metalevel.at>
Cc: 38025-done <at> debbugs.gnu.org
Subject: Re: bug#38025: 26.1; tramp-unload-tramp renders Emacs completely
 unresponsive
Date: Thu, 21 Nov 2019 10:39:48 +0100

Version: 27.1

Hi Markus,

>> On OSX, when I start Emacs with:
>>
>>     $ emacs -Q
>>
>> and then log in to a remote Debian server "s" via:
>>
>>     C-x C-f /-:s: RET
>>
>> it works as expected. However, when I then do:
>>
>>     M-x tramp-unload-tramp RET
>>
>> then Emacs hangs and no longer reacts to anything, not even to C-g.
>>
>> Can you reproduce this? Thank you!
>
> Yep, I can reproduce it locally. As said the other message, you don't
> need this usually.

I've fixed this, closing the bug.

Best regards, Michael.

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