firefox "Manage Content plug-ins" window 100% CPU load

Bug #768793 reported by kapetr
16
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Mozilla Firefox
Invalid
Medium
ubufox (Ubuntu)
Undecided
Unassigned

Bug Description

Binary package hint: firefox

Firefox 3.6.16 (and previous in Ubuntu 10.10)

When I open "Manage Content plug-ins" window, the CPU load goes to 100%.
I can do nothing in that window, just scroll it (very slooow), I can't change actions, ....
If I switch to "plugins in use", then the CPU load goes down, but when I change again to "all plugins", then firefox goes to 100%CPU again.

Changed in firefox (Ubuntu):
status: New → Confirmed
Revision history for this message
Ivan Frederiks (idfred) wrote :

I confirm this bug for latest firefox from official beta ppa (7.0~b2+build1+nobinonly-0ubuntu0.11.04.1~mfn1).

Revision history for this message
In , Ivan Frederiks (idfred) wrote :

User Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20100101 Firefox/7.0
Build ID: 20110826235807

Steps to reproduce:

I opened Tools->"Manage Content Plug-ins".

Actual results:

I got 100% CPU load with "All plugins" checked. Dialog becomes almost unusable. When "Plugins in use" is checked everything is OK.

Expected results:

This dialog should not cause continuous 100% CPU load in any mode.

Changed in firefox:
importance: Unknown → Medium
status: Unknown → New
Revision history for this message
In , Matti-mversen (matti-mversen) wrote :

Isn't "Manage Content Plug-ins" coming from an Ubuntu extension ?
Do you also get 100% CPU if you open edit\preferences\applications ?

Revision history for this message
In , Ivan Frederiks (idfred) wrote :

You are right, it comes from "Ubuntu Firefox Modifications" extension.
edit\preferences\applications behaves normally.

affects: firefox (Ubuntu) → ubufox (Ubuntu)
Revision history for this message
In , kapetr (kapetr) wrote :

Are you sure, "Manage Content Plug-ins" is not a part of Firefox itself ?

I thing to remember, that this feature was a new feature of one of previous versions of FF.

I have thing, that "Manage Content Plug-ins" and "edit\preferences\applications" are two different things.

First is for embedded object and second for handling anchored files.

And if I'm wrong - and this problem is cased by Ubuntus extension - what now ?
I thing "Manage Content Plug-ins" could be useful, if it would work, of course :-)

--kapetr

Revision history for this message
In , Ivan Frederiks (idfred) wrote :

> Are you sure, "Manage Content Plug-ins" is not a part of Firefox itself?
Yes, because it disappears when I disable ubufox extension.

Revision history for this message
In , Virgil-dicu (virgil-dicu) wrote :

Closing, as this is add-on related.

Changed in firefox:
status: New → Invalid
Revision history for this message
kapetr (kapetr) wrote :

I'm confused.

if it is not problem of Firefox, but of ubufox (xul-ext-ubufox) ... OK.

So ... now it is on right place = bug of ubufox.

Why Virgil-dicu (virgil-dicu) closed it ? It is confirmed bug.

And why Invalid ?!

-- kapetr

Revision history for this message
kapetr (kapetr) wrote :

I see it now.

"closed" ad "invalid" is related to FF bug, not to ubufox bug.

I apologize for the previous comment.

--kapetr

Revision history for this message
Ivan Frederiks (idfred) wrote :

Bug is still present in ubufox/xul-ext-ubufox 0.9.2-0ubuntu0.11.04.1

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