Re: SEGFAULT on increment_row_positions

[David Kastrup <dak@gnu.org>]

JD Smith <jdsmith@as.arizona.edu> writes:

> My programming mode IDLWAVE tends to trigger many more SEGFAULTS in
> Emacs 21 than any other use of Emacs I make, but only when the IDL
> shell is running as a subprocess under Comint.  In particular, when
> the IDL sub-process gets quite large (IDL is a data processing
> language), the SEGFAULTS seem more common, which may indicate a
> garbage collection or other memory related bug (just guessing here).
> I have managed today to achieve a SEGFAULT after every 10-30min of
> heavy use, and found this trace:

This is not much help with this particular bug, but if you are
suspecting a garbage collection related problem, setting
gc-cons-threshold to a small value like 1000 should cause the problem
to occur much more often than every 10-30min, perhaps making diagnosis
and debugging easier.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum