Package: flashplugin-nonfree
Version: 1:2.8.3
Severity: important
Dear Maintainer,
On a newly reinstalled debian system using the nvidia drivers
nvidia-glx_290.10-1,
adding flashplugin-nonfree led to video artifacts (random objects appearing) and
screen tearing when using opengl applications. The problem did not exist just
before
adding the package; the problem disappeared after removing flashplugin-nonfree,
resetting
the GPU and installing flashplayer-mozilla_3:11.1.102.55-0.2 instead.
To reproduce the problem:
1. install the nvidia drivers using meta package nvidia-glx, following
the howto in:
http://tinyplanet.ca/~lsorense/debian/debian-nvidia-dri-howto.html
2. install flightgear, an intensive opengl application
3. at this point fgfs from flightgear runs fine, and images are
displayed correctly
on the screen. This worked correctly in many retries over several days.
4. install flashplugin-nonfree and view some videos using it. No other
packages installed
or configured after flightgear in step 2 and no change was made to
nvidia driver settings.
5. retry flightgear. After a few seconds the image may become pixelated,
parts of the
ground will be displayed where there should be sky instead (tearing) and
parts of
the image will change to incorrect colors (pink sky for example).
This problem was fixed by removing flashplugin-nonfree, resetting the GPU (for
the nvidia card
I used, GTX 560 Ti, this meant rebooting). At this point flightgear worked
correctly again
without displaying artifacts or tearing.
After installing flashplayer-mozilla from www.debian-multimedia.org, flightgear
still worked
correctly after viewing some videos with the new flashplugin, in many tests run
over two days,
even when flash videos were displayed simultaneously.
There are many pages discussing issues with flash and nvidia drivers, for
example see:
http://www.nvnews.net/vbulletin/showthread.php?t=161664
I marked this as an important bug since without trying flashplayer-mozilla, I
would have to
choose between using only one of two important functions on my system, flash or
video hardware
acceleration, when both are needed.
thanks,
--jack
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 3.1.0-1-686-pae (SMP w/6 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages flashplugin-nonfree depends on:
ii debconf [debconf-2.0] 1.5.41
ii gnupg 1.4.11-3
ii libatk1.0-0 2.2.0-2
ii libcairo2 1.10.2-6.2
ii libcurl3-gnutls 7.23.1-3
ii libfontconfig1 2.8.0-3
ii libfreetype6 2.4.8-1
ii libgcc1 1:4.6.2-11
ii libglib2.0-0 2.30.2-4
ii libgtk2.0-0 2.24.8-2
ii libnspr4-0d 4.8.9-1
ii libnss3-1d 3.13.1.with.ckbi.1.88-1
ii libpango1.0-0 1.29.4-2
ii libstdc++6 4.6.2-11
ii libx11-6 2:1.4.4-4
ii libxext6 2:1.3.0-3
ii libxt6 1:1.1.1-2
ii wget 1.13.4-1
flashplugin-nonfree recommends no packages.
Versions of packages flashplugin-nonfree suggests:
ii flashplugin-nonfree-extrasound <none>
ii iceweasel 8.0-3+b1
ii konqueror-nsplugins 4:4.6.5-1
ii msttcorefonts <none>
ii ttf-dejavu 2.33-2
ii ttf-xfree86-nonfree <none>
ii x-ttcidfont-conf 32+nmu2
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