Re: 64-bit emacs crashes a lot

[Eli Zaretskii]

> Date: Fri, 16 Aug 2013 22:37:15 +0300
> From: Eli Zaretskii <address@hidden>
> Cc: address@hidden, address@hidden
> 
> > Lisp Backtrace:
> > 
> > Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=2147483647)
> >     at emacs.c:341
> > 341 {
> > The program being debugged stopped while in a function called from GDB.
> > Evaluation of the expression containing the function
> > (backtrace_function) will be abandoned.
> > When the function is done executing, GDB will silently stop.
> 
> Here, GDB called backtrace_function, which triggered an assertion
> violation.  Which probably means that the array of specbindings
> (specpdl) is corrupted.
> 
> Is it possible that the stack of the 64-bit Cygwin binary is too
> small?  Can you try building Emacs with a larger stack? 

Another idea is to look at the value of specpdl_size at the point
where Emacs crashes or aborts.  Is it perhaps close to the value of
max_specpdl_size?