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Questions tagged [backtrace]

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51 views

Backtrace on file open

I am curious about the origin of certain files under ~/.emacs.d, such as: places, url/cookies, tramp, eshell/history, eshell/lastdir, auto-save-list/.saves-15234-mymachine~, request/curl-cookie-jar. ...
2
votes
1answer
1k views

Debug an elisp error - show call stack when an error occurs

I am relatively new to emacs / elisp, and am trying to build some custom functionality. I have added a number of functions which are added to a major-mode. Occasionally (and seemingly only after a ...
1
vote
1answer
119 views

debugging segmentation fault when using `prin1`

Q:  How can I narrow down this gdb backtrace to a specific character, or set of characters, that is causing a Emacs to suffer a segmentation fault when using prin1? Program received signal SIGSEGV, ...
5
votes
1answer
137 views

Elisp backtrace print garbage messages

I'm using emacs 25.2 on osx 10.12 and following elisp intro to produce some error message intentionally. (This is a list) After I run C-x C-e on this line. A backtrace buffer appeared as supposed ...
6
votes
1answer
107 views

Can emacs auto-save backtrace?

Trying to debug a problem with debug-on-error. Backtrace appears for a second and then some other parts of the system make it disappear and emacs becomes dysfunctional so I can never read it. Is ...
12
votes
1answer
550 views

Get backtrace from error programmatically

If an error is signalled in Emacs Lisp code, and debug-on-error is t, I get a backtrace buffer that makes it easy to figure out where the error occurred. However, for errors that occur while ...
2
votes
1answer
153 views

Break on all errors in edebug

How can I make Emacs break on an error, even if the error is being handled somewhere? In my current scenario, the setup of a major mode is modifying the buffer and I want to find out why (and then ...
2
votes
1answer
65 views

escape or omit binary data in backtrace buffer?

Many times when I check the backtrace buffer, I can't copy the text out because of the embedded binary data (perhaps it's the internal null characters making the copy function think the string is ...