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bug#31373: 26.1; frame-list-z-order segfaults on initial daemon frame


From: Basil L. Contovounesios
Subject: bug#31373: 26.1; frame-list-z-order segfaults on initial daemon frame
Date: Sun, 06 May 2018 15:58:37 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Noam Postavsky <address@hidden> writes:

> "Basil L. Contovounesios" <address@hidden> writes:
>
>> On the latest emacs-26 and master branches, calling the function
>> frame-list-z-order crashes a daemon Emacs via segfault:
>>
>> 1. ./src/emacs -Q --daemon=<name>
>> 2. ./lib-src/emacsclient --socket-name=<name> --create-frame
>> 3. cd src
>> 4. gdb -p <PID of step (1)>
>> 5. Issue 'continue' in gdb
>
> You can also use
>
> 1. gdb ./emacs -Q --fg-daemon=<name>
> 2. Issue 'run' in gdb
> 3. ../lib-src/emacsclient --socket-name=<name> --create-frame

Ah, yes, thank you.  I forgot about --fg-daemon (which I now remembered
is documented in '(emacs) Initial Options') because it is not mentioned
in the emacs(1) man page; do you think this option should be added there?

-- 
Basil





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