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Date:      Sat, 2 Mar 2013 17:53:36 +0000 (UTC)
From:      naddy@mips.inka.de (Christian Weisgerber)
To:        freebsd-ports@freebsd.org
Subject:   Firefox 19 vs large images
Message-ID:  <kgteb0$18nr$1@lorvorc.mips.inka.de>

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Viewing large images has become cumbersome with the switch from
Firefox 18 to 19.  Am I the only one to notice this?

Wikipedia's high-resolution pictures of the day are great for this:
https://upload.wikimedia.org/wikipedia/commons/e/e9/Bison_skull_pile_edit.jpg

What happens is that Firefox loads the image and then does some
sort of operation that causes the X11 server to be busy for a
noticeable amount of time.  During this time the whole X11 session
hangs.  If you have a network login, you can see the Xorg process
eat all the CPU it can get.  The duration of this delay varies and
depends on the size of the image; with the one above it just took
30 seconds.

This isn't entirely new.  With previous versions of Firefox it
happened when I accidentally dragged an image.  But now with
Firefox 19, just viewing the image is enough.  Needless to say,
this is painful if you are going through a number of large images
and are forced to pause for half a minute each.

I don't know if this happens for all video drivers.  I'm running
Xorg 1.7.7 with radeon(4x) on an ATI RV370 (Radeon X300SE) card,
7.4-STABLE/amd64.

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de




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