Public bug reported:
I have experienced the following several times on Hardy (up-to-date as
of 2008-04-23).
When Firefox 3 opens a pop-up window (usually an HTTP Authentication
dialog), X will completely lock up, to the point where I can't even get
to one of the terminals using Ctrl-Alt-F1 or some such.
This appears only to happen when the Firefox instance that opens the
popup is on a virtual desktop other than the one on which I'm working
(Using Compiz). The popup will appear on the desktop that I am working
on and then the screen will freeze. Logging in via SSH and restarting
GDM kills the problem, however after the GDM restart I invariably find
two compiz.real processes running, one of which is behaving normally (I
assume this is the one that started when I logged in after bouncing GDM)
and one which is consuming 100% CPU. Killing the latter makes the system
usable again.
I have attached my X.org.0.log and .xsession-errors for the most recent
occurrence of the event.
** Affects: ubuntu
Importance: Undecided
Status: New
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[Hardy] Firefox 3 causes X to lock up
https://bugs.launchpad.net/bugs/221098
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