Bug#780329: iceweasel: multiple sounds, flash-plugin warning on youtube.com

[Benutzer]

Package: iceweasel
Version: 31.5.0esr-1
Severity: normal

Sorry for being not more specific in the subject line.

I do have a fresh jessie i386 installation from the xfce installmedia, no addons installed, no plugins installed in iceweasel. I so use my old /home partition.

When watching youtube videos, like https://www.youtube.com/watch?v=bWg-0FgMoMU I always get a warning that the flashplugin is needed to display the media on this page. This is annoying since everything on the page seems to work (be visible) without the flashplugin.

I ignore installing the plugin.

Now, when watching the video, I get multiple sound streams in parallel, not always, but most of the time. It seems to be connected to load on the internet or on youtube. When pausing the viedeo, the main sound stream (the one I want to hear) also stops, but a second sound stream (advertising) keeps on playing.

It all looks like this is a server (youtube) problem BUT this never happend with wheezy and it also seems not to happen when starting iceweasel -safe-mode.

Since I did not install any plugins or addidional software it could have something to do with the package selection in the xfce distribution.

I report this bug using reportbug. It claimed that there is a newer version of iceweasel available, but aptitude did not show an update to install. I am using the default /etc/apt/sources.list, with main contrib for jessie, jessie/updates, jessie-updates and jessie-backports entrys. The sources.list also has the following entry from the installmedia, showing which version I used to setup the sysetm: deb cdrom:[Debian GNU/Linux testing _Jessie_ - Official Snapshot i386 xfce-CD Binary-1 20150302-04:48]/ jessie main

If you need some more information or specific testing, please feel free to request it.

regards Rich

-- Package-specific info:

-- Extensions information
Name: BetterPrivacy
Location: ${PROFILE_EXTENSIONS}/{d40f5e7b-d2cf-4856-b441-cc613eeffbe3}
Status: enabled

Name: Default theme
Location: /usr/lib/iceweasel/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}
Package: iceweasel
Status: enabled

Name: Deutsch (DE) Language Pack locale
Location: /usr/lib/iceweasel/browser/extensions/langpack-de at iceweasel.mozilla.org.xpi
Package: iceweasel-l10n-de
Status: user-disabled

Name: Download YouTube Videos as MP4
Location: ${PROFILE_EXTENSIONS}/{b9bfaf1c-a63f-47cd-8b9a-29526ced9060}.xpi
Status: enabled

Name: Media Stealer
Location: ${PROFILE_EXTENSIONS}/stealer at physacco.com.xpi
Status: enabled

Name: mediaplayerconnectivity
Location: ${PROFILE_EXTENSIONS}/{84b24861-62f6-364b-eba5-2e5e2061d7e6}
Status: enabled

Name: Russian (RU) Language Pack locale
Location: /usr/lib/iceweasel/browser/extensions/langpack-ru at iceweasel.mozilla.org.xpi
Package: iceweasel-l10n-ru
Status: enabled

Name: Video Myxa
Location: ${PROFILE_EXTENSIONS}/{0C07EECD-53B6-4748-BB2B-4395BF51DD8B}.xpi
Status: enabled

Name: YouTube Enhancer Plus
Location: ${PROFILE_EXTENSIONS}/firefoxaddon at youtubeenhancer.com.xpi
Status: enabled

-- Plugins information

-- Addons package information
ii  iceweasel      31.5.0esr-1  i386         Web browser based on Firefox
ii  iceweasel-l10n 1:31.5.0esr- all          German language package for Icewe
ii  iceweasel-l10n 1:31.5.0esr- all          Russian language package for Icew

-- System Information:
Debian Release: 8.0
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 3.16.0-4-686-pae (SMP w/2 CPU cores)
Locale: LANG=de_DE.utf8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages iceweasel depends on:
ii  debianutils               4.4+b1
ii  fontconfig                2.11.0-6.3
ii  libasound2                1.0.28-1
ii  libatk1.0-0               2.14.0-1
ii  libc6                     2.19-15
ii  libcairo2                 1.14.0-2.1
ii  libdbus-1-3               1.8.16-1
ii  libdbus-glib-1-2          0.102-1
ii  libevent-2.0-5            2.0.21-stable-2
ii  libffi6                   3.1-2+b2
ii  libfontconfig1            2.11.0-6.3
ii  libfreetype6              2.5.2-3
ii  libgcc1                   1:4.9.2-10
ii  libgdk-pixbuf2.0-0        2.31.1-2+b1
ii  libglib2.0-0              2.42.1-1
ii  libgtk2.0-0               2.24.25-3
ii  libhunspell-1.3-0         1.3.3-3
ii  libnspr4                  2:4.10.7-1
ii  libnss3                   2:3.17.2-1.1
ii  libpango-1.0-0            1.36.8-3
ii  libsqlite3-0              3.8.7.1-1
ii  libstartup-notification0  0.12-4
ii  libstdc++6                4.9.2-10
ii  libvpx1                   1.3.0-3
ii  libx11-6                  2:1.6.2-3
ii  libxext6                  2:1.3.3-1
ii  libxrender1               1:0.9.8-1+b1
ii  libxt6                    1:1.1.4-1+b1
ii  procps                    2:3.3.9-9
ii  zlib1g                    1:1.2.8.dfsg-2+b1

iceweasel recommends no packages.

Versions of packages iceweasel suggests:
pn  fonts-mathjax          <none>
pn  fonts-oflb-asana-math  <none>
pn  fonts-stix | otf-stix  <none>
ii  libcanberra0           0.30-2.1
ii  libgnomeui-0           2.24.5-3
ii  libgssapi-krb5-2       1.12.1+dfsg-18
pn  mozplugger             <none>

-- no debconf information