Re: Emacs exited with message “X protocol error: BadPixmap”

[Joe Wells]

Richard Stallman <rms@gnu.org> writes:

> To debug an X protocol error, you need to do (x-synchronize t).
> That way xlib detects the error inside the primitive that failed.
> Normally it finds out about the error later on, inside
> some other primitive, so the backtrace is irrelevant to the cause
> of the error.

Thanks very much for this information!

>From reading the code, it is not clear whether this is enough to also
get core dump files from these errors.  What would I need to do to
ensure that such a crash produced a core dump file?

-- 
Joe