bug#31793: 26.1; (error "Lisp nesting exceeds ‘max-lisp-eval-depth’")

[Leo Liu <sdl.web@gmail.com>]

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I was reading news in GNUS and suddenly emacs started echoing in the
minibuffer:

   Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")

After that I could not M-x or M-: or did much to investigate, only able
to copy the last part of *Messages* to a file (attached). Not sure if
this is useful.

But this bug might be interesting. It is new. A max-specpdl-size
automatically popped up while I was idly reading in GNUS.


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Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
Variable binding depth exceeds max-specpdl-size
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
Variable binding depth exceeds max-specpdl-size
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
Variable binding depth exceeds max-specpdl-size
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
Quit [5 times]
Saving /Users/GNUS/.newsrc.eld...
Saving file /Users/GNUS/.newsrc.eld...
Wrote /Users/GNUS/.newsrc.eld
Saving /Users/GNUS/.newsrc.eld...done
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
completing-read-default: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
byte-code: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
Entering debugger...
Error in pre-command-hook (delete-selection-pre-hook): (error "Lisp nesting exceeds ‘max-lisp-eval-depth’")
Quit
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
completing-read-default: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
let: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
next-line: End of buffer
let: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
next-line: End of buffer [18 times]
completing-read-default: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
next-line: End of buffer [5 times]
python-args-to-list: Variable binding depth exceeds max-specpdl-size
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")
next-line: End of buffer [7 times]
C-c C-k is undefined
ido-read-internal: Lisp nesting exceeds ‘max-lisp-eval-depth’
Error in post-command-hook (global-eldoc-mode-check-buffers): (error "Variable binding depth exceeds max-specpdl-size")