[Bug 423777] [NEW] Firefox causes System freeze on allowing Scripts with NoScript when webpage has Flash content

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i already posted this issue on the NoScript Forum here
http://forums.informaction.com/viewtopic.php?f=7&t=2295&start=30 and in
the end i was suggested to ask for help here, after posting one in the
"answers sections" and no replies so far i thought it might be a bug,
here it is:

i run ubuntu 8.10 (intrepid ibex) have ff 3.0.13 installed with noscript 1.9.8.7 extension.
first of all i have to say i never had this kind of problems with ff or ns, before i was running kubuntu 8.04 (hardy heron) and it all went well, i didnt upgrade to ubuntu, i formatted the hard drive, so this is a fresh install.

every time i enter a webpage with flash content i encounter the same
issue: before i thought it was a "flash-plugin" problem, then i tried
out all of them (proprietary, nonfree, gnash) nothing changed, of course
before to install one another i was removing all traces of the previous
one as the procedure explains.

if accessing youtube.com (e.g.) and temporary allowing youtube.com and ytmg.com (in order to make the page re-load without noscript blocking flash, firefox freezes,it gets stuck and i can do nothing, cannot click anywhere at all (have to enter tt1 and kill the process from bash).
in case i "allow scripts globally" before to enter youtube.com, or if i "allow the all page" then i can watch the video clips without any problem.

i was told the problem could have been the only other extension i have
instlled on ff (Ubuntu Firefox Modifications) then I disabled that add-
on like you suggested (I didn't even know it was there) restart ff but
nothing changed, same thing.

i have an Nvidia 9600 GT correctly installed with proprietary drivers
(version 180) automatically found by ubuntu, plus I tried both with
Compiz or without it (with metacity of course), in case Compiz was the
problem.

here http://paste.ubuntu.com/261489/ is the output if running firefox
from a terminal, dmesg doesn't seem to report any output about this
issue.

if there's anything else you need to know or you want me to try out
please let me know, i'll be checking this thread every day, i love
ubuntu as much as i like using ff with noscript, so i really hope
someone is going to be able to help me

thanks, max

** Affects: firefox-3.0 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: firefox flash noscript ubuntu
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Firefox causes System freeze on allowing Scripts with NoScript when webpage has Flash content
https://bugs.launchpad.net/bugs/423777
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