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bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’
From: |
Michael Albinus |
Subject: |
bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’ |
Date: |
Mon, 15 Aug 2016 12:26:04 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Sam Steingold <sds@gnu.org> writes:
> Hi Michael,
Hi Sam,
We see the following error in the traces:
> 16:59:43.011954 tramp-send-command (6) # tramp_perl_file_attributes
> /home/sds/.newsrc integer 2>/dev/null; echo tramp_exit_status $?
> 16:59:43.039832 tramp-wait-for-regexp (6) #
> tramp_exit_status 2
> ///8a1abdf5d064a13495e6037e3daf8b9a#$
Unfortunately, the call of the shell function tramp_perl_file_attributes
redirects stderr, so we don't know exactly what happened.
Checking the relevant code, I've found a potential problem in Tramp's
cache handling. Not sure whether it is related to your problem, but I've
committed the following patch to the master branch:
--8<---------------cut here---------------start------------->8---
***
/home/albinus/src/tramp/lisp/tramp-cache.el.~996962bcc3f8778ae9bae93e4ac926fde1d34ea9~
2016-08-15 12:17:00.813388070 +0200
--- /home/albinus/src/tramp/lisp/tramp-cache.el 2016-08-15 11:01:56.021498208
+0200
***************
*** 237,245 ****
(aset key 3 nil)
(aset key 4 nil))
(let* ((hash (tramp-get-hash-table key))
! (value (if (hash-table-p hash)
! (gethash property hash default)
! default)))
(tramp-message key 7 "%s %s" property value)
value))
--- 237,250 ----
(aset key 3 nil)
(aset key 4 nil))
(let* ((hash (tramp-get-hash-table key))
! (value
! ;; If the key is an auxiliary process object, check whether
! ;; the process is still alive.
! (if (and (processp key) (not (memq (process-status key) '(run open))))
! default
! (if (hash-table-p hash)
! (gethash property hash default)
! default))))
(tramp-message key 7 "%s %s" property value)
value))
--8<---------------cut here---------------end--------------->8---
Could you, pls, check whether this cures the problem already? If not, we
need more information why the shell function fails. Pls apply the
following patch:
--8<---------------cut here---------------start------------->8---
***
/home/albinus/src/tramp/lisp/tramp-sh.el.~b3f62af997d071306fe3ab571f54e0537557f373~
2016-08-15 12:21:09.129601587 +0200
--- /home/albinus/src/tramp/lisp/tramp-sh.el 2016-08-15 12:20:22.127720434
+0200
***************
*** 1400,1405 ****
--- 1400,1409 ----
(tramp-message vec 5 "file attributes with perl: %s" localname)
(tramp-maybe-send-script
vec tramp-perl-file-attributes "tramp_perl_file_attributes")
+ (tramp-send-command
+ vec
+ (format "tramp_perl_file_attributes %s %s"
+ (tramp-shell-quote-argument localname) id-format))
(tramp-send-command-and-read
vec
(format "tramp_perl_file_attributes %s %s"
--8<---------------cut here---------------end--------------->8---
Afterwards, rerun the test until it fails, with tramp-verbose set to
10. Maybe we will know better then what happens.
Best regards, Michael.
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Sam Steingold, 2016/08/11
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’,
Michael Albinus <=
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Sam Steingold, 2016/08/22
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Michael Albinus, 2016/08/23
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Sam Steingold, 2016/08/23
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Michael Albinus, 2016/08/24
- Message not available
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Michael Albinus, 2016/08/25
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Sam Steingold, 2016/08/25
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Michael Albinus, 2016/08/26
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Sam Steingold, 2016/08/25
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Michael Albinus, 2016/08/26
- bug#22478: 25.1.50; tramp error: Wrong method specification for ‘scp’, Sam Steingold, 2016/08/26