Re: emacs-21.1.94 crash in gnus on Windows

[Eli Zaretskii <eliz@gnu.org>]

> From: Andy Moreton <andrewjmoreton@gmail.com>
> Date: Tue, 16 Mar 2010 20:42:02 +0000
> 
> >> Program received signal SIGSEGV, Segmentation fault.
> >> 0x01030355 in pos_visible_p (w=0x307c800, charpos=0x5ad, x=0x82f0c4,
> >> y=0x82f0c0, rtop=0x82f0d8,
> >>       rbot=0x82f0d4, rowh=0x82f0d0, vpos=0x82f0cc) at xdisp.c:1396
> >> 1396                      for (; glyph < end
> >
> > Hmm, that's a strange place to get hit by SIGSEGV.  Can you try to see
> > what exactly caused the crash?  When in doubt, I usually disassemble
> > the vicinity of the address where it crashed (0x01030355 in this
> > case), find the instruction that crashed, and then compare the
> > disassembly to the source to find which source line the failed
> > instruction came from.  The GDB command "info line" might help in the
> > initial estimation of the source line to which the failed address
> > belongs.
> 
> I'll try to reproduce it and report back if I can shed any further
> light. I haven't supplied any command line arguments when running under
> gdb - do I need to use "-Q" to get something you can reproduce ?

I doubt that this will help: it's hard to use Gnus with absolutely no
customizations, especially on Windows.

For now, I'm trying to understand what object causes the crash, and
why.  That might give more ideas.

Thanks.