Questions tagged [debug-on-error]

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Printer set up. Wrong type argument: listp

I use Emacs 29.3 on an M1 Mac Mini with OS 14.4.1. I'm trying to set up PS printing. I picked up the name of my printer from lpstat. I copied the following code, verbatim, to my init.el from the ...
PhilC's user avatar
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How can I disable ellipsis in backtraces?

I have these lines: ;default 12 (setq eval-expression-print-length 0) ;default 4 (setq eval-expression-print-level 0) (setq backtrace-verbose t) (setq debugger-args '("--no-debugger-ellipsis&...
Jason Hunter's user avatar
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Org agenda tags-todo items not working

I have some custom agenda views defined like this: (setq org-agenda-custom-commands '(("n" "Agenda and all TODOs" ((agenda "" nil) (alltodo "...
Doug Harris's user avatar
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How to debug emacs lisp? (e.g. Symbol's value as variable is void: n)

When I start Emacs, I get the error message: Symbol's value as variable is void: n I am pretty sure, it is just a typo in my init.el, but how can I find it? Shouldn't there be a debugger, which tells ...
Sinthoras's user avatar
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Emacs breaks entire system, can't find log

I'm having a real problem with Emacs in that it keeps breaking my entire system in irregular intervals. More precisely, at some point my screen starts to go black, then flickers back up again, then ...
Alexander Praehauser's user avatar
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1 answer

Line numbers in backtrace?

I'm working on debugging this backtrace (from Emacs bug #12145, shortened): Debugger entered--Lisp error: (wrong-type-argument "markerp nil") signal(wrong-type-argument ("markerp nil&...
Thomas Koch's user avatar
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Error after upgrade

I upgraded doom yesterday. Unfortunately, since then I get the following error whenever I doom run : Warning (initialization): An error occurred while loading ‘/Users/*****/.emacs.d/.local/etc/@/init....
Butters's user avatar
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Why is debug-on-error always enabled at startup?

Whenever I start up emacs, debug-on-error is enabled. I can't figure out why, there's nowhere where I explicitly enable it. Is there any way for me to figure out where it's coming from?
Emoses's user avatar
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