[debbugs-tracker] bug#35665: closed (27.0.50; shell-mode over TRAMP can no longer kill processes with C-c C-c)

[GNU bug Tracking System]

Your message dated Thu, 06 Jun 2019 08:59:34 +0200
with message-id <address@hidden>
and subject line Re: bug#35665: 27.0.50; shell-mode over TRAMP can no longer 
kill processes with C-c C-c
has caused the debbugs.gnu.org bug report #35665,
regarding 27.0.50; shell-mode over TRAMP can no longer kill processes with C-c 
C-c
to be marked as done.

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35665: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35665
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> --- Begin Message ---
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>
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> Subject: 
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> 27.0.50; shell-mode over TRAMP can no longer kill processes with C-c C-c
>
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> Date: 
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> Thu, 09 May 2019 19:04:37 -0700
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>
>
>
> Hi. This is a semi-recent regression. I've been observing it for a few
> months now, but have only now tried to track it down. I'm currently
> using a very recent build of emacs from git:
>
>   http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=7dafbe3ab91
>
> Recipe:
>
> 1. C-x C-f /ssh:someserver:
>    Opens up a TRAMP ssh connection to some server. This opens up the ~
>    in dired mode
>
> 2. M-x shell
>    Opens up a remote shell.
>
> 3. sleep 10000
>    I.e. make the remote box do something that doesn't quit immediately
>
> 4. C-c C-c
>    This SHOULD send SIGINT to the process to kill it. And it did that
>    previously, but it doesn't do that anymore. Now it just hangs
>
> I just did a bit of debugging. C-c C-c invokes
> (tramp-interrupt-process). This calls (tramp-send-command) to send a
> "kill -2 PID" and then (tramp-accept-process-output) to wait for a new
> shell prompt; I think. For whatever reason, the server is not getting
> the "kill -2 PID" anymore, so the waiting for the prompt now hangs
> forever. I'll poke at it some more, but it's likely somebody more
> knowledgeable will be able to figure this out much faster than me.
>
> Thanks!
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#35665: 27.0.50; shell-mode over TRAMP can no longer kill processes with C-c C-c
>
>
>
>
> Date: 
>
> Thu, 06 Jun 2019 08:59:34 +0200
>
>
>
>
> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)
>
>
>
>
> Version: 27.1
>
> Michael Albinus <address@hidden> writes:
>
> Hi Dima,
>
> >> I just did a bit of debugging. C-c C-c invokes
> >> (tramp-interrupt-process). This calls (tramp-send-command) to send a
> >> "kill -2 PID" and then (tramp-accept-process-output) to wait for a new
> >> shell prompt; I think. For whatever reason, the server is not getting
> >> the "kill -2 PID" anymore, so the waiting for the prompt now hangs
> >> forever. I'll poke at it some more, but it's likely somebody more
> >> knowledgeable will be able to figure this out much faster than me.
> >
> > Looks to me like a duplicate of bug#35506, could you pls check? That bug
> > report contains also patches, which might help you.
>
> No News are Good News. I'm closing this bug, assuming it is solved in
> the master branch. Feel free to reopen if there are still problems.
>
> >> Thanks!
>
> Best regards, Michael.
>
>
> --- End Message ---