HI Eli, I will try with run-hooks = nil. (I still cannot reproduce the issue consistently). As a side note, I think that similar issue affects emacs dynamic modules based on my limited testing. Please reply back if you need a callstack. Thanks, Ivan On Sat, Mar 23, 2019 at 10:54 PM Eli Zaretskii wrote: > > From: yyoncho > > Date: Sat, 23 Mar 2019 22:23:49 +0200 > > Cc: Sébastien Chapuis , > > 31138@debbugs.gnu.org > > > > Here it is the offending callstack. > > > > https://gist.github.com/yyoncho/7032464b456f60270100c747f42885f8 > > OK, thanks. I think I see the reason. > > Does it work for you to bind run-hooks to nil around calls to > json-parse-string? >