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bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29
From: |
Thierry Volpiatto |
Subject: |
bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29 |
Date: |
Sun, 12 Jun 2022 18:16:23 +0000 |
Michael Albinus <michael.albinus@gmx.de> writes:
> Thierry Volpiatto <thievol@posteo.net> writes:
>
> Hi Thierry,
>
>>> (setq tramp-verbose 10 tramp-debug-to-file t)
>>
>> Ah nice, with those setting instead of crashing emacs hang and I can
>> recuperate with C-g, here the tramp log:
>>
>> https://gist.github.com/thierryvolpiatto/96b5d3bacc92deac1fad275eede69354
>
> Thanks. The trace looks surprising, again and again
>
> 21:38:47.713417 tramp-get-remote-id (5) # Finding POSIX `id' command
>
> I'll try to analyze tomorrow what could have triggered this behavior. If
> not successful, I'll ask you for instrumentation of Tramp.
I have a function wrote long time ago to delete tramp connections which
is not working (or most of the time not working) because it uses
tramp-list-connections which is itself broken (unexpectedly it worked
only once today don't know why).
The test (tramp-connection-property-p key "process-buffer") is wrong IMO
according to the data fetched from tramp-cache-data, here a function based
on tramp-list-connections to illustrate the data fetched here from a
sudo connection:
(defun tv/list-tramp-connections ()
(cl-loop with tramp-verbose = 0
for key being the hash-keys in tramp-cache-data
using (hash-value val)
when (and (tramp-file-name-p key)
(null (tramp-file-name-localname key))
;; (tramp-connection-property-p key "process-buffer"))
)
collect (list key (cl-loop for k being the hash-keys in val
using (hash-value v)
collect (list k v))))
The function for a sudo connection returns:
(((tramp-file-name "sudo"
#("root" 0 4
(tramp-default t))
nil
#("IPad-S340" 0 9
(tramp-default t))
nil nil nil)
(("process-buffer" nil)
("null-device" "/dev/null")
("uid-string" "UNKNOWN")
("gid-string" "UNKNOWN")
("uid-integer" -1)
("gid-integer" -1)
("first-password-request" nil)
("uname" "Linux 5.15.0-33-generic")
("locale" "LC_ALL=en_US.utf8")
("test" "test")
("remote-path"
("/bin" "/usr/bin" "/sbin" "/usr/sbin" "/usr/local/bin" "/usr/local/sbin"))
("pipe-buf" 4096)
("remote-shell" "/bin/sh")
("~root" "/root")
("file-exists" "test -e")
("stat" "env QUOTING_STYLE=locale \\stat")
("case-insensitive" nil)
("readlink" "\\readlink"))))
As you can see "process-buffer" is listed in the cdr but not the car of
result so tramp-list-connections always returns nil because
(tramp-connection-property-p key "process-buffer") always returns nil.
Seems the cdr is the same as what found in ~/.emacs.d/tramp.
Maybe it can help you to understand what's going wrong.
Thanks.
--
Thierry
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- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, (continued)
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/09
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Eli Zaretskii, 2022/06/09
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/10
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/10
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/10
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/11
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/11
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/11
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/11
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/11
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29,
Thierry Volpiatto <=
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/14
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/14
- bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Thierry Volpiatto, 2022/06/09
bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/14
bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/14
bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29, Michael Albinus, 2022/06/16