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Re: doc-view stuck on same image


From: harold . carr
Subject: Re: doc-view stuck on same image
Date: Thu, 10 Oct 2013 07:44:23 -0700

-Q  makes it work fine.

Looks like I will have do binary narrowing of my LARGE .emacs file to find
out what piece is causing this.


On Thu, Oct 10, 2013 at 2:10 AM, Tassilo Horn <address@hidden> wrote:

> address@hidden writes:
>
> Hi Harold,
>
> >     GNU Emacs 24.3.1 (x86_64-apple-darwin11.4.2, NS apple-appkit-1138.51)
> > of 2013-03-31 on tenseven-slave.macports.org
> >
> > when I use doc-view (automatically) when visiting *.pdf, *.tiff, *.ps,
> > etc., files it either:
> >
> > - keeps showing me the same image (no matter what page or file I visit)
> >   - usual the image show in the *GNU Emacs* buffer
>
> That's really strange.  I wonder how that can happen.  Or well, there's
> a theoretical possibility that two different files with the same name
> and accidentally identical md5sums are treated as identical by doc-view.
> But that's really almost impossible, and it cannot happen if the files
> have different names.
>
> > - starts using HIGH CPU doing what?  - I finally just kill it
>
> That might be the conversion form PDF (or whatever) to PNG images which
> would be normal.  But that shouldn't be slower than with previous emacs
> versions.  Quite contrary, if you have mupdf installed, it should be
> much faster instead.
>
> Or wait: if it was be the normal conversion process, then the high CPU
> load would come from ghostscript, mudraw, libre/openoffice etc., but not
> from the emacs process itself...
>
> > It used to work fast and fine.  Unfortunately I do not know what I did
> > differently (i.e., emacs version, config settings) when this started
> > happening.
> >
> > Any ideas?
>
> That's really hard to guess.  The very first thing you should try is to
> start emacs with "emacs -Q" and then opening some PDF file.  If it works
> then, something's broken with your configuration.
>
> Bye,
> Tassilo
>


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