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Description of problem:
On RHEV-M ic155, I have 5.8 hosts and a RHEL 6.3 guest on the host. I try to run alsamixer as "su" and get the following error. If I change user to the user that logged into RHEL 6.3, I can use alsamixer with no error.
This does not happen on a RHEL 5.8 guest.
[root@dhcp66 ~]# alsamixer
ALSA lib pulse.c:229:(pulse_connect) PulseAudio: Unable to connect: Connection refused
cannot open mixer: Connection refused
[root@dhcp66 ~]# su test
[test@dhcp66 root]$ alsamixer
[test@dhcp66 root]$ exit
exit
[root@dhcp66 ~]# exit
Version-Release number of selected component (if applicable):
RHEL 6.3
How reproducible:
100%
Steps to Reproduce:
1. Install RHEL 6.3 as a guest on a 5.8 host within RHEV-M ic155.
2. Change to su and type alsamixer.
3.
Actual results:
The alsamixer utility connection was refused.
Expected results:
The alsamixer utility should appear.
Additional info:
Comment 1Marc-Andre Lureau
2012-04-13 18:33:15 UTC
I just installed RHEV-M sm111 (2.2) and added two 5.8 hosts and if you are 'su' alsamixer still fails.
I just confirmed that 'alsamixer -c 0' does work in RHEV-M sm111.
Is this running without a GUI? If so, users must manually copy the pulseaudio cookie file around to be able to connect to pulseaudio.
as root, do:
mkdir /root/.pulse
cp /home/user/test/.pulse/cookie /root/.pulse/cookie
then try:
alsamixer
again.
It is not sufficiently documented, IMO.
It depends a bit on the modules you load, but the default one uses a cookie to authorize clients. There is a hint about the cookie in the manpage but I'll see if it can be more more explicit.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-0655.html