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From:	Haojun Bao <baohaojun AT gmail DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Emacs w3m `w3m-toggle-inline-images' cause segfault
References:	<83iqhlbgoc DOT fsf AT gmail DOT com> <4A6727A8 DOT 2090905 AT cornell DOT edu>
Date:	Thu, 23 Jul 2009 09:27:18 +0800
In-Reply-To:	<4A6727A8.2090905@cornell.edu> (Ken Brown's message of "Wed, 22 Jul 2009 10:52:24 -0400")
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Ken Brown <kbrown AT cornell DOT edu> writes:

> 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.)

Yes, you are right, I'm using my self compiled version. The official
version has same issue though.

>
>> 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.

Yes, I have done a rebase, and disabled Avira AntiVir Free Edition
(which is not on the BLODA, but anyway), and the problem remains. I
don't have any software in TBLODA installed. 

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