Subject: Re: bug#48433: 28.0.50; Emacs Core Dump when trying to visit file

From: Eli Zaretskii <[email-masked]>
Date: Sat, 15 May 2021 12:35:56 +0300

> From: Sébastien Le Callonnec <[email-masked]>
> Date: Sat, 15 May 2021 09:39:09 +0100
> Cc: Alan Mackenzie <[email-masked]>
> 
> Thread 1 "emacs" received signal SIGABRT, Aborted.
> raise (sig=<optimised out>) at ../sysdeps/unix/sysv/linux/raise.c:49
> 49	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> (gdb) bt full
> #0  raise (sig=<optimised out>) at ../sysdeps/unix/sysv/linux/raise.c:49
>         set =
>             {__val = {402653184, 4294967296, 0, 511101108348, 390842024046, 9805516513614356736, 0, 656, 93825007892640, 992, 140737288797088, 93823829016576, 0, 140737287431157, 93824993797552, 18446744067266838271}}
>         pid = <optimised out>
>         tid = <optimised out>
> #1  0x000055555559bad8 in terminate_due_to_signal ()
> #2  0x000055555559c266 in emacs_fopen.cold ()
> #3  0x000055555559cb7e in read_minibuf_unwind.cold ()
> #4  0x00007fffefa67bc4 in F6d696e696275666665722d77696e646f772d6163746976652d70_minibuffer_window_active_p_0 ()
>     at /usr/local/libexec/emacs/28.0.50/x86_64-pc-linux-gnu/../../../../bin/../lib/emacs/28.0.50/native-lisp/28.0.50-10b2f18d/preloaded/window-0d1b8b93-edcead22.eln
> #5  0x000055555574eff3 in Ffuncall ()
> #6  0x000055555579da1e in exec_byte_code ()
> #7  0x0000555555753597 in funcall_lambda ()
> #8  0x000055555574ee41 in Ffuncall ()
> #9  0x00005555557525e2 in Frun_hooks ()
> #10 0x000055555574eff3 in Ffuncall ()
> #11 0x000055555574f065 in call1 ()
> #12 0x00005555556da671 in Fget_buffer_create.part.0 ()
> #13 0x00005555556eedac in get_minibuffer ()
> #14 0x00005555556eeffb in read_minibuf ()
> #15 0x00005555556f00bd in Fread_from_minibuffer ()
> #16 0x0000555555750e32 in funcall_subr ()
> #17 0x000055555574eff3 in Ffuncall ()
> #18 0x00007fffec6dd721 in F69646f2d726561642d696e7465726e616c_ido_read_internal_0 () at /usr/local/lib/emacs/28.0.50/native-lisp/28.0.50-10b2f18d/ido-ccb260dc-39aade56.eln
> #19 0x000055555574eff3 in Ffuncall ()
> #20 0x00007fffec6e14f5 in F69646f2d66696c652d696e7465726e616c_ido_file_internal_0 () at /usr/local/lib/emacs/28.0.50/native-lisp/28.0.50-10b2f18d/ido-ccb260dc-39aade56.eln
> #21 0x0000555555750e32 in funcall_subr ()
> #22 0x000055555574eff3 in Ffuncall ()
> #23 0x00007fffec6ecb02 in F69646f2d66696e642d66696c65_ido_find_file_0 () at /usr/local/lib/emacs/28.0.50/native-lisp/28.0.50-10b2f18d/ido-ccb260dc-39aade56.eln
> #24 0x000055555574eff3 in Ffuncall ()
> #25 0x000055555574b115 in Ffuncall_interactively ()
> #26 0x000055555574eff3 in Ffuncall ()
> #27 0x00005555557515e0 in Fapply ()
> #28 0x000055555574c8fa in Fcall_interactively ()
> #29 0x00007fffef94dd01 in F636f6d6d616e642d65786563757465_command_execute_0 ()
>     at /usr/local/libexec/emacs/28.0.50/x86_64-pc-linux-gnu/../../../../bin/../lib/emacs/28.0.50/native-lisp/28.0.50-10b2f18d/preloaded/simple-fab5b0cf-a243428a.eln

Thanks, but can you also provide a Lisp backtrace, by invoking
"xbacktrace" from GDB?  That command is defined in src/.gdbinit.