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To: Christian Weisgerber <naddy@mips.inka.de>
Subject: Re: Firefox 19 vs large images
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On 02.03.2013 18:53 (UTC+2), Christian Weisgerber wrote:
> Viewing large images has become cumbersome with the switch from
> Firefox 18 to 19.  Am I the only one to notice this?

Today there started a thread about this on the german bsdforen with
several 'me toos':

  http://www.bsdforen.de/showthread.php?p=248950#post248950

Posting #11 could be a useful first hint.

> 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.

For me it happens on 10.0-CURRENT/amd64 with xorg-7.5.2,
xorg-server-1.10.6_2,1, nvidia-driver 313.18 (from patched port) and
firefox-19.0,1.