GNU bug report logs -
#58226
29.0.50; multisession-tests.el fails to finish on macOS (10.13.6)
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Reported by: Stefan Kangas <stefankangas <at> gmail.com>
Date: Sat, 1 Oct 2022 14:26:03 UTC
Severity: normal
Found in version 29.0.50
Done: Stefan Kangas <stefankangas <at> gmail.com>
Bug is archived. No further changes may be made.
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Message #20 received at 58226 <at> debbugs.gnu.org (full text, mbox):
Lars Ingebrigtsen <larsi <at> gnus.org> writes:
> Stefan Kangas <stefankangas <at> gmail.com> writes:
>
>> If I try to get the ELisp backtrace from ert with "b", Emacs crashes
>> with the below rather unhelpful backtrace. Any ideas for how to debug
>> further from here are welcome.
>>
>> Thread 2 received signal SIGABRT, Aborted.
>> 0x00007fff6d8a3b66 in ?? () from /usr/lib/system/libsystem_kernel.dylib
>> (gdb) bt
>> #0 0x00007fff6d8a3b66 in ?? () from /usr/lib/system/libsystem_kernel.dylib
>> #1 0x00007fff6da6e080 in pthread_kill () from
>> /usr/lib/system/libsystem_pthread.dylib
>> #2 0x00007fff6d7ff24d in __abort () from /usr/lib/system/libsystem_c.dylib
>> #3 0x0032000000000015 in ?? ()
>> #4 0x0000000000000000 in ?? ()
>
> I'm almost completely blank on running the debugger on Macos, but Gerd
> is an expert here
That's how quickly you get a bad reputation :-).
> -- Gerd, any advice?
It's to a degree similar to GDB. I'm using the cheat sheet from
https://lldb.llvm.org/use/map.html if in doubt. That's how experts do.
cd src
lldb --local-lldbinit emacs
You should see "Emacs support has been loaded". If not, you can load it
later with
command script import ../etc/emacs_lldb.py
To start Emacs
run <args...>
where <args...> are command-line options for Emacs. When back in lldb
because of the signal, use bt, up, down, and p as you would in GDB.
With emacs_lldb.py loaded, you can also use xbacktrace and xdebug_print.
This bug report was last modified 2 years and 224 days ago.
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