GNU bug report logs - #73022
31.0.50; Crash in build_frame_matrix_from_leaf_window after C-x 2 and reducing terminal size

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From: Eli Zaretskii <eliz <at> gnu.org>
To: martin rudalics <rudalics <at> gmx.at>
Cc: n142857 <at> gmail.com, 73022 <at> debbugs.gnu.org
Subject: bug#73022: 31.0.50; Crash in build_frame_matrix_from_leaf_window after C-x 2 and reducing terminal size
Date: Thu, 05 Sep 2024 12:19:10 +0300

> Date: Thu, 5 Sep 2024 10:18:52 +0200
> Cc: n142857 <at> gmail.com, 73022 <at> debbugs.gnu.org
> From: martin rudalics <rudalics <at> gmx.at>
> 
>  > In any case, I can cause the assertion violation even after making the
>  > change you suggested above.
> 
> Following the OP's recipe I now get
> 
> #0  terminate_due_to_signal (sig=6, backtrace_limit=40) at ../../src/emacs.c:432
> #1  0x000000000061b51b in emacs_abort () at ../../src/sysdep.c:2391
> #2  0x0000000000541fc2 in cmcheckmagic (tty=0x1ebe0d0) at ../../src/cm.c:122
> #3  0x0000000000546564 in tty_write_glyphs (f=0x1e7bb30, string=0x1e9afe0, len=80) at ../../src/term.c:819
> #4  0x00000000005508c9 in write_glyphs (f=0x1e7bb30, string=0x1e9a0e0, len=80) at ../../src/terminal.c:164

Are you running the latest codebase?  The assertions in cmcheckmagic
are supposed to be fixed there.

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