[BUG] org-element-cache bug: org-persist-read persists seemingly forever

[Samuel Wales <samologist@gmail.com>]

this reproduces most or all of the time.  idk if it is ueful to
anybody, but i thought i would post it in case it is instantly
recognizable.

emacs 25.  latest 9.5 org main.

Debugger entered--Lisp error: (quit)
  read(#<buffer  *temp*>)
  org-persist-read(org-element--cache #<buffer other--a.org>)
  org-mode()
  set-auto-mode-0(org-mode nil)
  set-auto-mode()
  normal-mode(t)
  after-find-file(nil t)
  find-file-noselect-1(#<buffer other--a.org> "org/other--a.org" nil
nil "org/other--a.org" (27263474 65025))
  find-file-noselect("org/other--a.org" nil nil nil)
  find-file("org/other--a.org")
  alpha-org-find-agenda-files()
  run-hooks(after-init-hook delayed-warnings-hook)
  command-line()
  normal-top-level()


On 12/23/21, Samuel Wales <samologist@gmail.com> wrote:
> more below.
>
> On 12/20/21, Ihor Radchenko <yantar92@gmail.com> wrote:
>> Thanks for reporting!
>>
>> I just pushed the fix upstream.
>
> thank you.
>
> fyi, i am still trying to get main to work.  there is bug in most
> recent main where org element use cache being set to t makes loading
> infinite.  and another where c-x c-c is very slow but there aren't
> messages saying what it is doing.
>
> the cache bug reproduced a few times reliably and i finally figured
> out getting it to debug on quit to give you a bt but then it didn't
> reproduce, so idk if it is intermittent or my brain is not working.
> also, if i quit at the wrong time, cache tells me to hit quit more
> times because it captures that signal.  as i am limited in computer
> use upgrading org is going to take some time.  however, the only
> reason i want to try main is to run the fast batch archiving.  maybe
> bugfix would work for ordinary use.  have not tried it yet.
>
>> supporting latest Emacs - 2 versions [1]. Emacs 28 is going to be
>> released in a few months, bundling Org 9.5. If you can, please update
>> your Emacs to at least version 26.
>
> [thanks.  i dread this.  i have been dreading having to upgrade debian
> and idk when i will be able to but have to do it.  and getting a
> signed emacs and installing it might be more trouble than it seems at
> first as every sw [even org] seems to be.]  still trying.
>


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