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bug#9726: 24.0.90; vc-dir: error in process sentinel - Wrong argument ty


From: Christoph Scholtes
Subject: bug#9726: 24.0.90; vc-dir: error in process sentinel - Wrong argument type
Date: Mon, 10 Oct 2011 22:18:24 -0600
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1

On 10/10/2011 10:03 PM, I wrote:
Running Emacs 24.0.90 (r106044) with Windows 7/64bit.
The following errors occur when using vc-dir in the Emacs /bin directory
of the trunk tree:

error in process sentinel: vc-dir-node-directory: Wrong type argument:
arrayp, nil
error in process sentinel: Wrong type argument: arrayp, nil

Recipe (from trunk\bin directory!):
emacs -Q
M-x vc-dir
C-j
error occurs

Elisp backtrace:

Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
  apply(debug error (wrong-type-argument arrayp nil))
  edebug(error (wrong-type-argument arrayp nil))
  signal(wrong-type-argument (arrayp nil))
  edebug-signal(wrong-type-argument (arrayp nil))
  ewoc-data(nil)
  vc-dir-node-directory(nil)
  vc-dir-update((("." nil) ("COPYING" unregistered)) #<buffer *vc-dir*>)
(edebug-after (edebug-before 2) 5 (vc-dir-update (edebug-after 0 3 entries) (edebug-after 0 4 (symbol-value G47125)))) (save-current-buffer (set-buffer (edebug-after 0 1 (symbol-value G47125))) (edebug-after (edebug-before 2) 5 (vc-dir-update (edebug-after 0 3 entries) (edebug-after 0 4 (symbol-value G47125)))) (edebug-after (edebug-before 6) 23 (if (edebug-after 0 7 more-to-come) nil (edebug-after (edebug-before 8) 22 (let ((remaining (edebug-after ... 11 ...))) (edebug-after (edebug-before 12) 21 (if (edebug-after 0 13 remaining) (edebug-after ... 18 ...) (edebug-after ... 20 ...)))))))) (edebug-after (edebug-before 0) 24 (save-current-buffer (set-buffer (edebug-after 0 1 (symbol-value G47125))) (edebug-after (edebug-before 2) 5 (vc-dir-update (edebug-after 0 3 entries) (edebug-after 0 4 (symbol-value G47125)))) (edebug-after (edebug-before 6) 23 (if (edebug-after 0 7 more-to-come) nil (edebug-after (edebug-before 8) 22 (let ((remaining ...)) (edebug-after (edebug-before 12) 21 (if ... ... ...)))))))) (lambda (G47125) (edebug-after (edebug-before 0) 24 (save-current-buffer (set-buffer (edebug-after 0 1 (symbol-value G47125))) (edebug-after (edebug-before 2) 5 (vc-dir-update (edebug-after 0 3 entries) (edebug-after 0 4 (symbol-value G47125)))) (edebug-after (edebug-before 6) 23 (if (edebug-after 0 7 more-to-come) nil (edebug-after (edebug-before 8) 22 (let (...) (edebug-after ... 21 ...))))))))(--buffer--) apply((lambda (G47125) (edebug-after (edebug-before 0) 24 (save-current-buffer (set-buffer (edebug-after 0 1 (symbol-value G47125))) (edebug-after (edebug-before 2) 5 (vc-dir-update (edebug-after 0 3 entries) (edebug-after 0 4 (symbol-value G47125)))) (edebug-after (edebug-before 6) 23 (if (edebug-after 0 7 more-to-come) nil (edebug-after (edebug-before 8) 22 (let (...) (edebug-after ... 21 ...)))))))) --buffer-- nil) (lambda (&rest --cl-rest--) (apply (quote (lambda (G47125) (edebug-after (edebug-before 0) 24 (save-current-buffer (set-buffer (edebug-after 0 1 ...)) (edebug-after (edebug-before 2) 5 (vc-dir-update ... ...)) (edebug-after (edebug-before 6) 23 (if ... nil ...)))))) (quote --buffer--) --cl-rest--))() edebug-enter(edebug-anon2 ((("." nil) ("COPYING" unregistered)) nil) (lambda (&rest --cl-rest--) (apply (quote (lambda (G47125) (edebug-after (edebug-before 0) 24 (save-current-buffer (set-buffer (edebug-after 0 1 ...)) (edebug-after (edebug-before 2) 5 (vc-dir-update ... ...)) (edebug-after (edebug-before 6) 23 (if ... nil ...)))))) (quote --buffer--) --cl-rest--))) edebug-enter(edebug-anon2 ((("." nil) ("COPYING" unregistered)) nil) (lambda (&rest --cl-rest--) (apply (quote (lambda (G47125) (edebug-after (edebug-before 0) 24 (save-current-buffer (set-buffer (edebug-after 0 1 ...)) (edebug-after (edebug-before 2) 5 (vc-dir-update ... ...)) (edebug-after (edebug-before 6) 23 (if ... nil ...)))))) (quote --buffer--) --cl-rest--))) (lambda (G47126 entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list (quote quote) (function (lambda (G47125) (edebug-after ... 24 ...)))) (list (quote quote) G47126) (quote --cl-rest--)))))(--buffer-- (("." nil) ("COPYING" unregistered))) apply((lambda (G47126 entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list (quote quote) (function (lambda (G47125) (edebug-after ... 24 ...)))) (list (quote quote) G47126) (quote --cl-rest--))))) --buffer-- (("." nil) ("COPYING" unregistered))) (lambda (&rest --cl-rest--) (apply (quote (lambda (G47126 entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list ... ...) (list ... G47126) (quote --cl-rest--)))))) (quote --buffer--) --cl-rest--))((("." nil) ("COPYING" unregistered))) vc-bzr-after-dir-status((lambda (&rest --cl-rest--) (apply (quote (lambda (G47126 entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list ... ...) (list ... G47126) (quote --cl-rest--)))))) (quote --buffer--) --cl-rest--)) "bin/") eval((vc-bzr-after-dir-status (quote (lambda (&rest --cl-rest--) (apply (quote (lambda (G47126 entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (list ... ... ...)))) (quote --buffer--) --cl-rest--))) (file-relative-name "d:/devel/emacs/emacs-bzr/trunk_jenkins/bin/" (vc-bzr-root "d:/devel/emacs/emacs-bzr/trunk_jenkins/bin/")))) vc-exec-after((vc-bzr-after-dir-status (quote (lambda (&rest --cl-rest--) (apply (quote (lambda (G47126 entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (list ... ... ...)))) (quote --buffer--) --cl-rest--))) (file-relative-name "d:/devel/emacs/emacs-bzr/trunk_jenkins/bin/" (vc-bzr-root "d:/devel/emacs/emacs-bzr/trunk_jenkins/bin/"))))
  vc-process-sentinel(#<process bzr> "finished\n")
  recursive-edit()
  edebug-recursive-edit()
  edebug-display()
  edebug-debugger(45 after nil)
  edebug-after(42 45 nil)
(save-current-buffer (set-buffer (edebug-after 0 36 vc-dir-process-buffer)) (edebug-after (edebug-before 37) 39 (setq default-directory (edebug-after 0 38 def-dir))) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend (edebug-after 0 43 backend) (quote dir-status) (edebug-after 0 44 def-dir) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list (quote quote) (function (lambda ... ...))) (list (quote quote) --cl-buffer--) (quote --cl-rest--)))))) (edebug-after (edebug-before 35) 46 (save-current-buffer (set-buffer (edebug-after 0 36 vc-dir-process-buffer)) (edebug-after (edebug-before 37) 39 (setq default-directory (edebug-after 0 38 def-dir))) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend (edebug-after 0 43 backend) (quote dir-status) (edebug-after 0 44 def-dir) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list (quote quote) (function ...)) (list (quote quote) --cl-buffer--) (quote --cl-rest--))))))) (let ((--cl-buffer-- (make-symbol "--buffer--"))) (setf (symbol-value --cl-buffer--) (edebug-after (edebug-before 33) 34 (current-buffer))) (edebug-after (edebug-before 35) 46 (save-current-buffer (set-buffer (edebug-after 0 36 vc-dir-process-buffer)) (edebug-after (edebug-before 37) 39 (setq default-directory (edebug-after 0 38 def-dir))) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend (edebug-after 0 43 backend) (quote dir-status) (edebug-after 0 44 def-dir) (list (quote lambda) (quote (&rest --cl-rest--)) (list (quote apply) (list ... ...) (list ... --cl-buffer--) (quote --cl-rest--)))))))) (lexical-let ((buffer (edebug-after (edebug-before 33) 34 (current-buffer)))) (edebug-after (edebug-before 35) 46 (with-current-buffer (edebug-after 0 36 vc-dir-process-buffer) (edebug-after (edebug-before 37) 39 (setq default-directory (edebug-after 0 38 def-dir))) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend (edebug-after 0 43 backend) (quote dir-status) (edebug-after 0 44 def-dir) (lambda (entries &optional more-to-come) (edebug-enter (quote edebug-anon2) (list entries more-to-come) (function ...)))))))) (edebug-after (edebug-before 32) 47 (lexical-let ((buffer (edebug-after (edebug-before 33) 34 (current-buffer)))) (edebug-after (edebug-before 35) 46 (with-current-buffer (edebug-after 0 36 vc-dir-process-buffer) (edebug-after (edebug-before 37) 39 (setq default-directory (edebug-after 0 38 def-dir))) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend (edebug-after 0 43 backend) (quote dir-status) (edebug-after 0 44 def-dir) (lambda (entries &optional more-to-come) (edebug-enter ... ... ...)))))))) (let ((def-dir (edebug-after 0 6 default-directory)) (backend (edebug-after 0 7 vc-dir-backend))) (edebug-after (edebug-before 8) 9 (vc-set-mode-line-busy-indicator)) (edebug-after (edebug-before 10) 21 (unless (edebug-after (edebug-before 11) 13 (buffer-live-p (edebug-after 0 12 vc-dir-process-buffer))) (edebug-after (edebug-before 14) 20 (setq vc-dir-process-buffer (edebug-after (edebug-before 15) 19 (generate-new-buffer (edebug-after ... 18 ...))))))) (edebug-after (edebug-before 22) 24 (ewoc-map (lambda (info) (edebug-enter (quote edebug-anon1) (list info) (function (lambda nil (edebug-after ... 9 ...))))) (edebug-after 0 23 vc-ewoc))) (edebug-after (edebug-before 25) 31 (ewoc-set-hf (edebug-after 0 26 vc-ewoc) (edebug-after (edebug-before 27) 30 (vc-dir-headers (edebug-after 0 28 backend) (edebug-after 0 29 def-dir))) "")) (edebug-after (edebug-before 32) 47 (lexical-let ((buffer (edebug-after (edebug-before 33) 34 (current-buffer)))) (edebug-after (edebug-before 35) 46 (with-current-buffer (edebug-after 0 36 vc-dir-process-buffer) (edebug-after (edebug-before 37) 39 (setq default-directory (edebug-after 0 38 def-dir))) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend (edebug-after 0 43 backend) (quote dir-status) (edebug-after 0 44 def-dir) (lambda ... ...)))))))) (edebug-after (edebug-before 5) 48 (let ((def-dir (edebug-after 0 6 default-directory)) (backend (edebug-after 0 7 vc-dir-backend))) (edebug-after (edebug-before 8) 9 (vc-set-mode-line-busy-indicator)) (edebug-after (edebug-before 10) 21 (unless (edebug-after (edebug-before 11) 13 (buffer-live-p (edebug-after 0 12 vc-dir-process-buffer))) (edebug-after (edebug-before 14) 20 (setq vc-dir-process-buffer (edebug-after (edebug-before 15) 19 (generate-new-buffer ...)))))) (edebug-after (edebug-before 22) 24 (ewoc-map (lambda (info) (edebug-enter (quote edebug-anon1) (list info) (function (lambda nil ...)))) (edebug-after 0 23 vc-ewoc))) (edebug-after (edebug-before 25) 31 (ewoc-set-hf (edebug-after 0 26 vc-ewoc) (edebug-after (edebug-before 27) 30 (vc-dir-headers (edebug-after 0 28 backend) (edebug-after 0 29 def-dir))) "")) (edebug-after (edebug-before 32) 47 (lexical-let ((buffer (edebug-after (edebug-before 33) 34 (current-buffer)))) (edebug-after (edebug-before 35) 46 (with-current-buffer (edebug-after 0 36 vc-dir-process-buffer) (edebug-after (edebug-before 37) 39 (setq default-directory ...)) (edebug-after (edebug-before 40) 41 (erase-buffer)) (edebug-after (edebug-before 42) 45 (vc-call-backend ... ... ... ...)))))))) (if (edebug-after (edebug-before 1) 2 (vc-dir-busy)) (edebug-after (edebug-before 3) 4 (error "Another update process is in progress, cannot run two at a time")) (edebug-after (edebug-before 5) 48 (let ((def-dir (edebug-after 0 6 default-directory)) (backend (edebug-after 0 7 vc-dir-backend))) (edebug-after (edebug-before 8) 9 (vc-set-mode-line-busy-indicator)) (edebug-after (edebug-before 10) 21 (unless (edebug-after (edebug-before 11) 13 (buffer-live-p (edebug-after 0 12 vc-dir-process-buffer))) (edebug-after (edebug-before 14) 20 (setq vc-dir-process-buffer (edebug-after ... 19 ...))))) (edebug-after (edebug-before 22) 24 (ewoc-map (lambda (info) (edebug-enter (quote edebug-anon1) (list info) (function ...))) (edebug-after 0 23 vc-ewoc))) (edebug-after (edebug-before 25) 31 (ewoc-set-hf (edebug-after 0 26 vc-ewoc) (edebug-after (edebug-before 27) 30 (vc-dir-headers (edebug-after 0 28 backend) (edebug-after 0 29 def-dir))) "")) (edebug-after (edebug-before 32) 47 (lexical-let ((buffer (edebug-after ... 34 ...))) (edebug-after (edebug-before 35) 46 (with-current-buffer (edebug-after 0 36 vc-dir-process-buffer) (edebug-after ... 39 ...) (edebug-after ... 41 ...) (edebug-after ... 45 ...)))))))) (edebug-after (edebug-before 0) 49 (if (edebug-after (edebug-before 1) 2 (vc-dir-busy)) (edebug-after (edebug-before 3) 4 (error "Another update process is in progress, cannot run two at a time")) (edebug-after (edebug-before 5) 48 (let ((def-dir (edebug-after 0 6 default-directory)) (backend (edebug-after 0 7 vc-dir-backend))) (edebug-after (edebug-before 8) 9 (vc-set-mode-line-busy-indicator)) (edebug-after (edebug-before 10) 21 (unless (edebug-after (edebug-before 11) 13 (buffer-live-p ...)) (edebug-after (edebug-before 14) 20 (setq vc-dir-process-buffer ...)))) (edebug-after (edebug-before 22) 24 (ewoc-map (lambda (info) (edebug-enter ... ... ...)) (edebug-after 0 23 vc-ewoc))) (edebug-after (edebug-before 25) 31 (ewoc-set-hf (edebug-after 0 26 vc-ewoc) (edebug-after (edebug-before 27) 30 (vc-dir-headers ... ...)) "")) (edebug-after (edebug-before 32) 47 (lexical-let ((buffer ...)) (edebug-after (edebug-before 35) 46 (with-current-buffer ... ... ... ...)))))))) (lambda nil (edebug-after (edebug-before 0) 49 (if (edebug-after (edebug-before 1) 2 (vc-dir-busy)) (edebug-after (edebug-before 3) 4 (error "Another update process is in progress, cannot run two at a time")) (edebug-after (edebug-before 5) 48 (let ((def-dir (edebug-after 0 6 default-directory)) (backend (edebug-after 0 7 vc-dir-backend))) (edebug-after (edebug-before 8) 9 (vc-set-mode-line-busy-indicator)) (edebug-after (edebug-before 10) 21 (unless (edebug-after ... 13 ...) (edebug-after ... 20 ...))) (edebug-after (edebug-before 22) 24 (ewoc-map (lambda ... ...) (edebug-after 0 23 vc-ewoc))) (edebug-after (edebug-before 25) 31 (ewoc-set-hf (edebug-after 0 26 vc-ewoc) (edebug-after ... 30 ...) "")) (edebug-after (edebug-before 32) 47 (lexical-let (...) (edebug-after ... 46 ...))))))))() edebug-enter(vc-dir-refresh nil (lambda nil (edebug-after (edebug-before 0) 49 (if (edebug-after (edebug-before 1) 2 (vc-dir-busy)) (edebug-after (edebug-before 3) 4 (error "Another update process is in progress, cannot run two at a time")) (edebug-after (edebug-before 5) 48 (let ((def-dir (edebug-after 0 6 default-directory)) (backend (edebug-after 0 7 vc-dir-backend))) (edebug-after (edebug-before 8) 9 (vc-set-mode-line-busy-indicator)) (edebug-after (edebug-before 10) 21 (unless (edebug-after ... 13 ...) (edebug-after ... 20 ...))) (edebug-after (edebug-before 22) 24 (ewoc-map (lambda ... ...) (edebug-after 0 23 vc-ewoc))) (edebug-after (edebug-before 25) 31 (ewoc-set-hf (edebug-after 0 26 vc-ewoc) (edebug-after ... 30 ...) "")) (edebug-after (edebug-before 32) 47 (lexical-let (...) (edebug-after ... 46 ...)))))))))
  vc-dir-refresh()
  vc-dir-mode()
  (edebug-after (edebug-before 41) 42 (vc-dir-mode))
(let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode))) (edebug-after (edebug-before 39) 43 (let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode)))) (if (edebug-after (edebug-before 35) 36 (derived-mode-p (quote vc-dir-mode))) (edebug-after (edebug-before 37) 38 (vc-dir-refresh)) (edebug-after (edebug-before 39) 43 (let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode))))) (edebug-after (edebug-before 34) 44 (if (edebug-after (edebug-before 35) 36 (derived-mode-p (quote vc-dir-mode))) (edebug-after (edebug-before 37) 38 (vc-dir-refresh)) (edebug-after (edebug-before 39) 43 (let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode)))))) (lambda nil (edebug-after (edebug-before 18) 25 (unless (edebug-after 0 19 backend) (edebug-after (edebug-before 20) 24 (setq backend (edebug-after (edebug-before 21) 23 (vc-responsible-backend (edebug-after 0 22 dir))))))) (edebug-after (edebug-before 26) 33 (let (pop-up-windows) (edebug-after (edebug-before 27) 32 (pop-to-buffer (edebug-after (edebug-before 28) 31 (vc-dir-prepare-status-buffer "*vc-dir*" (edebug-after 0 29 dir) (edebug-after 0 30 backend))))))) (edebug-after (edebug-before 34) 44 (if (edebug-after (edebug-before 35) 36 (derived-mode-p (quote vc-dir-mode))) (edebug-after (edebug-before 37) 38 (vc-dir-refresh)) (edebug-after (edebug-before 39) 43 (let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode)))))))() edebug-enter(vc-dir ("d:/devel/emacs/emacs-bzr/trunk_jenkins/bin" nil) (lambda nil (edebug-after (edebug-before 18) 25 (unless (edebug-after 0 19 backend) (edebug-after (edebug-before 20) 24 (setq backend (edebug-after (edebug-before 21) 23 (vc-responsible-backend (edebug-after 0 22 dir))))))) (edebug-after (edebug-before 26) 33 (let (pop-up-windows) (edebug-after (edebug-before 27) 32 (pop-to-buffer (edebug-after (edebug-before 28) 31 (vc-dir-prepare-status-buffer "*vc-dir*" (edebug-after 0 29 dir) (edebug-after 0 30 backend))))))) (edebug-after (edebug-before 34) 44 (if (edebug-after (edebug-before 35) 36 (derived-mode-p (quote vc-dir-mode))) (edebug-after (edebug-before 37) 38 (vc-dir-refresh)) (edebug-after (edebug-before 39) 43 (let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode)))))))) edebug-enter(vc-dir ("d:/devel/emacs/emacs-bzr/trunk_jenkins/bin" nil) (lambda nil (edebug-after (edebug-before 18) 25 (unless (edebug-after 0 19 backend) (edebug-after (edebug-before 20) 24 (setq backend (edebug-after (edebug-before 21) 23 (vc-responsible-backend (edebug-after 0 22 dir))))))) (edebug-after (edebug-before 26) 33 (let (pop-up-windows) (edebug-after (edebug-before 27) 32 (pop-to-buffer (edebug-after (edebug-before 28) 31 (vc-dir-prepare-status-buffer "*vc-dir*" (edebug-after 0 29 dir) (edebug-after 0 30 backend))))))) (edebug-after (edebug-before 34) 44 (if (edebug-after (edebug-before 35) 36 (derived-mode-p (quote vc-dir-mode))) (edebug-after (edebug-before 37) 38 (vc-dir-refresh)) (edebug-after (edebug-before 39) 43 (let ((use-vc-backend (edebug-after 0 40 backend))) (edebug-after (edebug-before 41) 42 (vc-dir-mode))))))))
  vc-dir("d:/devel/emacs/emacs-bzr/trunk_jenkins/bin" nil)
  call-interactively(vc-dir t nil)
  execute-extended-command(nil)
  call-interactively(execute-extended-command nil nil)





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