Subject: Re: bug#24616: 26.0.50; No backtrace when emacsclient --eval fails

From: Clément Pit--Claudel <[email-masked]>
Date: Tue, 4 Oct 2016 18:28:07 -0400

On 2016-10-04 16:52, Noam Postavsky wrote:
> On Tue, Oct 4, 2016 at 12:30 PM, Philipp Stephani <[email-masked]> wrote:
>>
>> Start the server.
>> Then run e.g.
>>
>> $ emacsclient --eval '(progn (defun f () (error "foo")) (setq debug-on-error t) (f))'
>> *ERROR*: foo
>>
>> Note that there's no backtrace. This makes it almost impossible to debug
>> problems when using emacsclient.
>>
> 
> Just a note: you can get a backtrace by setting debug-on-signal
> instead of debug-on-error.

Really?

$ emacsclient --eval '(progn (defun f () (error "foo")) (setq debug-on-signal t debug-on-error t) (f))'
*ERROR*: foo

Am I missing something obvious?

Cheers,
Clément.