GNU bug report logs - #75209
30.0.93; Emacs reader failed to read data in "/home/nlj/.cache/org-persist/gc-lock.eld"

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Message #17 received at 75209 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: "N. Jackson" <njackson <at> posteo.net>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 75209 <at> debbugs.gnu.org
Subject: Re: bug#75209: 30.0.93; Emacs reader failed to read data in
 "/home/nlj/.cache/org-persist/gc-lock.eld"
Date: Tue, 31 Dec 2024 19:02:35 +0000

"N. Jackson" <njackson <at> posteo.net> writes:

>> Or, alternatively, C-g in the middle of writing.
>
> I use C-g very frequently.  I type `M-x' and then realise I want to
> do `C-h f' first instead, so I do `C-g' to exit from the M-x prompt.
> Or I do an isearch and then change my mind (or find and read
> whatever I was looking for) then I do `C-g' (twice, I think) to exit
> the isearch and get back to where I started.  Usages like that.
> From my (probably naive) point of view, if that messes up Org Mode,
> then Org Mode is doing something wrong.

That should not be a problem then.
Reading/writing GC file is done using timer and, AFAIK, Emacs should not
run timers while you are running a command.

>> gc-lock.eld is a file used to flag that cache dir is being worked
>> on by multiple emacs instances. GC here refers to
>> garbage-collecting cache data.
>
> I do run multiple (two) instances of Emacs.  One is my normal
> session where I use Org quite heavily.  The other is my Gnus session
> in which I never open an Org file and never (as far as I know) use
> any Org features.

Gnus may load Org. (AFAIU, it does it when viewing gnus articles)

Another possible scenario is two Org instances writing to the same file
at the same time.
If it is what is happening in your case, your problem may be similar to 
https://list.orgmode.org/orgmode/CAMJKaZxA_VmLdFP_u1rNiF2s0X2kVivjT31jEM_r3BYCHri1PQ <at> mail.gmail.com/

-- 
Ihor Radchenko // yantar92,
Org mode maintainer,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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