[w3m-dev 04294] Re: w3m freezes / 99% cpu?

-------------------- Start of forwarded message --------------------
Date: Wed, 09 Jan 2008 16:46:24 +0100
From: Jan Rychter <[email protected]>
Reply-To: [email protected], [email protected]
Subject: [emacs-w3m:09905] Re: w3m freezes / 99% cpu?
To: Katsumi Yamaoka <[email protected]>
Cc: Pierre Baillargeon <[email protected]>,
        John Owens <[email protected]>,
        Mark Evenson <[email protected]>, [email protected],
        [email protected]
Message-Id: <[email protected]>
References: <[email protected]>
	<[email protected]>
X-ML-Name: emacs-w3m
X-Mail-Count: 09905

Katsumi Yamaoka <[email protected]> writes:
>>>>>> In [emacs-w3m : No.09893] Pierre Baillargeon wrote:
>> I've found that "export GC_NPROCS=1" before starting w3m on Mac OS X
>> 10.5.1 avoids the problem. It seems to be a bug with dual core CPU
>> (and possibly multi-processors too). By looking into the call stack
>> and the boehm garbage collector source, I was able to identify that
>> environment variable as being a factor in how the GC works. Solved the
>> problem for me.
>
> Emacs-w3m offers a means that passes environment variables to
> w3m.  To do that, add a Lisp form like the following to your
> ~/.emacs-w3m.el file:
>
> (add-to-list 'w3m-command-environment '("GC_NPROCS" . "1"))
>
> Could you try it?  If it is effective, I'll add it to emacs-w3m
> as one of a default value of `w3m-command-environment' for Mac.

This solution seems to work, although adding it to the file you
mentioned has no effect (emacs-w3m does not seem to read it on my
machine). If I evaluate the above form manually, w3m does not hang
anymore and things work nicely.

Where else can I place this form? I tried my init file, but placing it
right after (require 'w3m-load) causes an error (undefined variable) and
setq'ing it has no effect -- emacs-w3m probably resets it later.

--J.
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