Re: SEGV in x_catch_errors_unwind (x86_64-unknown-linux-gnu)

[Richard M. Stallman]

    > Please describe exactly what actions triggered the bug
    > and the precise symptoms of the bug:

    `<f1> k [Ctrl <tool-bar> <help>]'  (But it's not reproducible.)

    Program received signal SIGSEGV, Segmentation fault.
    [Switching to Thread 182940272320 (LWP 4018)]
    x_catch_errors_unwind (dummy=9829361)
        at [...]/emacs/src/xterm.c:7530

The first question is, what was the immediate cause of the crash?
Could you please see what instruction crashed, and what data it was
looking at?

Maybe it was examining x_error_message->dpy.
What is the value of x_error_message?