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bug#47378: Emacs 27.1 binary Mac OS build crashes on Big Sur (11.x)
From: |
Philipp |
Subject: |
bug#47378: Emacs 27.1 binary Mac OS build crashes on Big Sur (11.x) |
Date: |
Fri, 26 Mar 2021 18:56:04 +0100 |
> Am 25.03.2021 um 06:36 schrieb Victor Tsaran <vtsaran@gmail.com>:
>
> Hi.
> I apologize for not submitting this using Emacs's bug reporting system, but I
> d not use Emacs for my emailing needs, thus do not have the right setup for
> doing this.
> I am attaching the full crash log from Mac OS generated by the system and
> hope it will be helpful in diagnosing the problem.
> More background information below.
>
> 1. I am using the clean Mac OS build of Emacs 27.1 from the Cask repository
> of Homebrew.
> 2. The build runs without any issues on Mac OS Catalina (10.15) using exact
> same packages and exact same configuration.
> 3. Emacs seems to abort with memory allocation errors, see the crash thread.
Looks like a double-free in draw_glyphs? But that function is massive, so
without further instrumentation it might be difficult to pin down the exact
problem.
Could you try compiling with debugging symbols and then generating a stack
trace using GDB or LLDB? Another option would be to compile with address
sanitization enabled.