flashplugin-nonfree causes flash games to flicker

Bug #509983 reported by Galvao on 2010-01-20
32
This bug affects 5 people
Affects Status Importance Assigned to Milestone
flashplugin-nonfree (Ubuntu)
Undecided
Unassigned

Bug Description

Binary package hint: flashplugin-nonfree

After installing firefox-3.5 and flashplugin-nonfree on Kubuntu Karmic Koala (fresh install) flash games flicker and blink repeatedly. Used to work on Jaunty.

This is being reported over and over without anyone finding a solution in ubuntuforums:

http://ubuntuforums.org/showthread.php?t=1385635 (mine)
http://ubuntuforums.org/showthread.php?t=1313427
http://ubuntuforums.org/showthread.php?t=1347087 [...]

unihorn (unihorn) wrote :

In Ubuntu 9.10, also (not only on Kubuntu 9.10).

David Nemeskey (nemeskeyd) wrote :

I also have this bug. I think it is worth mentioning that it is not firefox-specific: Chromium and Arora also suffers from this problem.

I have a Dell Inspiron 1420 w/ Intel GM965. The flickering occurs even if the desktop effects are switched off.

Maybe this problem is related to https://bugs.launchpad.net/ubuntu/+source/firefox-3.5/+bug/484976 ?

David Nemeskey (nemeskeyd) wrote :

Just a few notes on my previous comment:

1. ... Chromium and Arora also suffeR... :)
2. It is worth mentioning that even though the bug I link sounds similar (only video instead of games), I have never had any problems with flash video; Youtube, Blip, etc. all work fine.
3. I am not sure that the flickering started with 9.10, I think I recall having this problem earlier too.

Dalle1985 (mortendalgaard) wrote :

I have been suffering from this bug since upgrading to Karmic (Ubuntu), however, I have narrowed down the problem (I think).

The problem doesn't affect Opera and that puzzled me a little - but it all makes sense now: Opera has it's own Flash-plugin installed. It uses the 10.0 r12 build of shockwave flash instead of the global 10.0 r45 plugin used by Firefox and other browsers (I don't have Chromium installed, but I suspect that it use r45 as well).

As to the symptoms, this is what I've found:
- It only affects embedded players (i.e. "I like this video and I think I'll embed it into my own site") - YouTube, LiveLeak etc. works fine.
- It happens to all flash games
- Moving the cursor around in the flash-object or keep a button within a game pressed seems to make the flickering much less pronounced, but doesn't make it disappear completely.
- ** This might be an unrelated bug ** trying to change the flash settings seems to make the entire flash object unresponsive and I have to update the page for the object to become responsive again.
- When the flickering occurs (almost constantly in some objects) it seems like hidden layers is visible beneath the top layer becomes visible.

I have tried to revert back to version 10.0 r12 to see if I could fix the issue in Firefox - but It isn't included in the Karmic repo and I have no idea how to force a version manually (or if it is even possible). If it is possible to include the r12 build in the version list for flashplugin-nonfree so you can manually force an earlier version, we could have a temporary workaround. Otherwise - try Opera, it works for me and others with the same issue.

GophrenOli (gophrenoli) wrote :

appears also on LUCID.

I found that problem with this page:
http://www.country-chips.com/
the flickering is already at the first page, heavy flickering is here:
-> select any language, select "feedback"/"Meinung"
-> here we are in flickering mode.

Then I confirm this bug because it happens to several people.

Changed in flashplugin-nonfree (Ubuntu):
status: New → Confirmed
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