Public bug reported:
After an upgrade from Ubuntu 11.10 to 12.04, pulseaudio didn't work, and
the root cause turned out to be that /usr/lib/dbus-1.0/dbus-daemon-
launch-helper did not have o+x permissions. See this:
-rwsr-xr-- 1 root messagebus 292944 Feb 22 03:48 /usr/lib/dbus-1.0/dbus-
daemon-launch-helper
and then when I did
sudo chmod o+x /usr/lib/dbus-1.0/dbus-daemon-launch-helper
pulseaudio worked.
As an additional clue, when I started the pulse audio volume control, it
said that /usr/lib/dbus-1.0/dbus-daemon-launch-helper failed, and then
when I tried running pulseaudio from the command line, it saud that
dbus-daemon-launch-helper didn't have permissions to execute.
This is either an installer problem or a dbus problem.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: dbus 1.4.18-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Mon Apr 30 23:18:00 2012
ExecutablePath: /bin/dbus-daemon
InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
ProcEnviron:
TERM=linux
PATH=(custom, no user)
SourcePackage: dbus
UpgradeStatus: Upgraded to precise on 2012-04-28 (2 days ago)
** Affects: dbus (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/992366
Title:
/usr/lib/dbus-1.0/dbus-daemon-launch-helper not executable by other
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