Error: (error "Lisp nesting exceeds `max-lisp-eval-depth'")
stardiviner opened this issue · comments
Hi @stardiviner, did you receive this error during startup or when running benchmark-init/show-durations-(tree|tabulated)?
Which emacs version are you using?
If you start emacs with the flag --debug-init do you get a backtrace?
I get a version of this which says "variable binding depth exceeds max-specpdl-size." It occurs for both tree and tabulated. I am running Emacs 25.0.5 with a relatively large package configuration. I get no backtrace with --debug-init, only a transient message, this in the messages buffer:
benchmark-init/node-foldr: Variable binding depth exceeds max-specpdl-size
I got the same on 24.4.1 (also with big package tree, mostly loaded via use-package)
And in my Messages I found:
benchmark-init/node-foldr: Variable binding depth exceeds max-specpdl-size
Above shows healthy startup and then 342 calls to benchmark-init/node-foldr. Those are not identical (every have different params), so looks like there are too many args for too deep recurencing calls…
I also tried (after startup but before calling benchmark-init/show-duration-tree)
M-x set-variable max-specpdl-size 200000
and benchmark-init nicely showed its results
So, to summarize:
- to workaround
(setq max-specpdl-size 200000)
(or some other big number) or set this variable manually before asking for benchmark-init report
- to resolve, likely node-foldr should be rewritten somehow (manual iteration instead of recurence?) as now it seems to explode too deep for default emacs settings in bigger library trees
@Mekk Thank you for the in-depth analysis. I am planning to rewrite that part of the code to avoid recursion which should resolve this issue.
@stardiviner @miabrahams @Mekk Fix pushed to master. Let me know if you still have issues.
Same here.
Backtrace: https://pastebin.com/raw/VXzYRtpS
- macOS 10.12.6
- Emacs 28.0
- benchmark-init 7a0f263