This bug was fixed in the package webbrowser-app -
0.23+16.10.20161018-0ubuntu1
---------------
webbrowser-app (0.23+16.10.20161018-0ubuntu1) yakkety; urgency=medium
* Fix FTBFS on yakkety arm64 and work around a limitation in the sound
and microphone policy groups. (LP: #1632620, #1633439)
-- Olivier Tilloy <olivier.til...@canonical.com> Tue, 18 Oct 2016
07:07:56 +0000
** Changed in: webbrowser-app (Ubuntu Yakkety)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1632620
Title:
No audio from webbrowser-app in 16.10
Status in Oxide:
Invalid
Status in apparmor-easyprof-ubuntu package in Ubuntu:
Confirmed
Status in webbrowser-app package in Ubuntu:
Fix Released
Status in apparmor-easyprof-ubuntu source package in Yakkety:
Confirmed
Status in webbrowser-app source package in Yakkety:
Fix Released
Bug description:
[Test case]
Load the browser on 16.10 in either a U8 or U7 session.
Browse to YouTube.
Play a video.
Notice there is no sound. Nor does the browser show in the sound menu/panel.
TLDR: this is an apparmor confinement issue: on yakkety pulse audio
needs write access to /{run,dev}/shm/pulse-shm*, which is being denied
by the audio and microphone policy groups. The fix consists in
punching an additional hole in the generated apparmor profile for
webbrowser-app.
[Regression potential]
Low. As the fix consists in weakening the apparmor profile for
webbrowser-app, the only concerns should be security-related. The change was
ack’d by Jamie Strandboge (see comment #11 in this bug report).
It is not anticipated that this change would make the browser’s functionality
regress.
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