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Date: Wed, 22 Jul 2009 10:52:24 -0400
From: Ken Brown <kbrown AT cornell DOT edu>
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Subject: Re: Emacs w3m `w3m-toggle-inline-images' cause segfault
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On 7/21/2009 10:22 PM, Haojun Bao wrote:
> Here's how to reproduce it:
> 
> 1. install w3m-el
> 
> 2. start Xwin, and then start emacs with:
>    emacs.exe -q -l ~/1.el

Cygwin's emacs-*-23.0.92-10 packages don't provide emacs.exe.  So you 
must be using the version you compiled yourself, unless you somehow have 
an emacs.exe left over from a previous cygwin version of emacs.  (I 
mention this in case someone wants to try to reproduce your problem, in 
which case your instructions would fail.)

> 3. Press M-x w3m in emacs to start w3m
> 
> 4. Press g in *w3m* buffer, type http://www.cnn.com/ (I use this URL
> because it contains many images. A site with few images will not
> reproduce this).
> 
> 5. Press T in the *w3m* buffer to toggle inline images, then Emacs will
> segfault. And sometimes it may complain "doing vfork resource
> temporarily unavailable" instead of segfault.

I think fork failures are sometimes fixed by rebasing and sometimes 
result from http://cygwin.com/acronyms/#BLODA.  Have you looked into 
either of those possibilities?  Beyond that, I have no ideas, but maybe 
the experts can see something useful in your gdb output.

Ken

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