Public bug reported:
Binary package hint: firefox-3.0
(This is a new issue for me as of a few days ago. Perhaps something to
do with recent updates.)
Comparing FF2 to FF3 on this computer - the only difference is FF2 vs
FF3 - I find that FF3 is very unresponsive. Loading a new page causes
100% CPU usage for around a second or so, during which time Firefox is
completely unresponsive (I can't even switch to another tab as I wait).
This is particularly noticeable when several pages are loaded at once
(e.g., when I start Firefox, or when I middleclick several pages that I
want to read later) - the 100% CPU/unresponsive time can last for 5
seconds or more.
This appears to occur more obviously with pages with more images, but
otherwise, no idea why it is worse in some cases and less in others.
I am using the NVidia binary driver. However, as I mentioned, FF2 is
responsive and fast on the same computer, so not sure if this is
relevant or not.
** Affects: firefox-3.0 (Ubuntu)
Importance: Undecided
Status: New
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Firefox 3.0 renders pages slowly at 100% CPU and is unresponsive as it does so
https://bugs.launchpad.net/bugs/186385
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