User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5a) Gecko/20030618 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5a) Gecko/20030618 When rendering cpu intensive flash animations, mozilla gui becomes responseless (the rest of the document window doesnt update, and gui buttons or keystrokes dont respond). To make it work again i must lower quality of animation, zoom to an empty zone, or such to lower cpu usage. Reproducible: Always Steps to Reproduce: 1. Load a page that has an embedded flash animation that uses a lot of cpu. 2. Wait untill it loads and starts consuming cpu cycles. Actual Results: The rest of the page is not rendered, and the gui buttons and keystrokes wont work . Expected Results: Keep interactivity (buttons and keystrokes) working. I use flash plugin 6.0r79. I also tried mozilla 1.3 and firebird and had the same problem. (I downloaded binaries from debian/sid, so many debian users do have same problem). Note i also tried Mozilla 1.1 (in mandrake) didnt have the problem.

Mac OS X, 1.4, 6.0r79... this page causes a little lag in the UI but nothing to get concerned over (and non-moz browsers seem worse)... not perfect but I'd consider it a WFM

Works fine on Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5) Gecko/20031029 with Flash plugin 5.0 r51, but becomes unresponsive with Flash version 6.0 r79. I have not tested other flash versions. Test page: http://pp.siedziba.pl/tmp/mozfltest.html. There is an animation showing numbers 0 to 9, with increasing CPU usage, and a counter. Using flash 6.0 r79 on my Celeron 800 the counter suddenly stops when number 4 appears, and the whole UI becomes unresponsive until the animation restarts. Using flash 5.0 r51 the counter counts as usual, only the animation slows down a bit.

Using Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031110 MultiZilla/1.5.0.4g and Shockwave Flash 6.0 r79 Mozilla becomes totally unresponsive on entering a web site that uses flash. I have to kill the mozilla process from a command line to get out of mozilla. Happens at this site www.mannatech.com

This appears to be fixed in Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031208 MultiZilla/1.6.0.0a

I spoke too soon. This is not fixed. It is intermittant. Sometimes the flash presentation works; sometimes it doesn't; sometimes only part of it runs.

I think this may be a timing or processor issue. I have two systems with virtually identical OS and software loads. One is an 800 MHz PIII; the other is a 1.7 GHz P4. Flash seems to load and play on the PIII-800 but plays only part of the Flash presentation and locks up on the 1.7 GHz P4.

Still problem Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031212 MultiZilla/1.6.0.0c nightly.

*** Bug 224090 has been marked as a duplicate of this bug. ***

This bug occurred again today on ZDNet News with this flash animation: http://m3.doubleclick.net/581472/hpBuilding2_728x90_18fps.swf?clickTag=http%3A//ad.doubleclick.net/click%253Bh%3Dv2%7C30f3%7C3%7C0%7C%252a%7Cg%253B7847842%253B0-0%253B0%253B9038447%253B3454-728%7C90%253B5019837%7C5037733%7C1%253B%253B%253fhttp%3A//www.hp.com/products1/promos/adapt/us/index.html It seems worse than the url in this bug because the cpu usage starts low but increments slowly until it reaches 92%. My system config is: WinXP SP1 w/ all patches Mozilla 1.7b build #2004031616 1.7 GHz P4 M, 512 MB RAM

Updating flash plugin to 7.0 r25 solved this problem for me.

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