Public bug reported:
Hi;
About two days ago I upgraded from Ubutnu 8.10 to Ubuntu 9.04.
In the process I lost all audio. I don't know much about the guts of
Linux so any help I can get to get audio back would be greatly
appreciated.
Here is a part of my output that looks audio related from the lspci
command:
===================================================================
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 02)
02:00.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1
(rev 07)
02:00.1 Input device controller: Creative Labs SB Live! Game Port (rev
07)
02:02.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
======================================================================
Running the command pulseaudio I got this output
==========================================================================
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
N: main.c: Called SUID root and real-time and/or high-priority
scheduling was requested in the configuration. However, we lack the
necessary privileges:
N: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant
us the requested privileges and we have no increase RLIMIT_NICE/
RLIMIT_RTPRIO resource limits.
N: main.c: For enabling real-time/high-priority scheduling please
acquire the appropriate PolicyKit privileges, or become a member of
'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits
for this user.
E: pid.c: Daemon already running.
E: main.c: pa_pid_file_create() failed.
=======================================================================
Then I tried these commands, but it didn't help get audio back. I rebooted.
====================================================================
st...@wisdom:~$ sudo usermod -G pulse-rt steve
st...@wisdom:~$ sudo killall pulseaudio
st...@wisdom:~$ pulseaudio
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
W: alsa-util.c: Device hw:1 doesn't support 44100 Hz, changed to 32000
Hz.
W: alsa-util.c: Cannot find fallback mixer control "Mic" or mixer
control is no combination of switch/volume.
===================================================================
Again, I don't know much about linux, but I am will to try things to get
the sound working.
Thanks
** Affects: ubuntu
Importance: Undecided
Status: New
** Description changed:
Hi;
About two days ago I upgraded from Ubutnu 8.10 to Ubuntu 9.04.
In the process I lost all audio. I don't know much about the guts of
Linux so any help I can get to get audio back would be greatly
appreciated.
- Here is a part of my output that looks audio related from the
- <b>lspci</b> command:
+ Here is a part of my output that looks audio related from the lspci
+ command:
- <blockquote>
+ ===================================================================
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 02)
02:00.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1
(rev 07)
02:00.1 Input device controller: Creative Labs SB Live! Game Port (rev
07)
02:02.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
- </blockquote>
+ ======================================================================
- Running the command <b>pulseaudio</b> I got this output
+ Running the command pulseaudio I got this output
- <blockquote>
+
+ ==========================================================================
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
N: main.c: Called SUID root and real-time and/or high-priority
scheduling was requested in the configuration. However, we lack the
necessary privileges:
N: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant
us the requested privileges and we have no increase RLIMIT_NICE/
RLIMIT_RTPRIO resource limits.
N: main.c: For enabling real-time/high-priority scheduling please
acquire the appropriate PolicyKit privileges, or become a member of
'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits
for this user.
E: pid.c: Daemon already running.
E: main.c: pa_pid_file_create() failed.
- </quote>
+ =======================================================================
- Then I tried these commands, but it didn't help get audio back. I
- rebooted.
- <blockquote>
+
+
+ Then I tried these commands, but it didn't help get audio back. I rebooted.
+
+ ====================================================================
st...@wisdom:~$ sudo usermod -G pulse-rt steve
st...@wisdom:~$ sudo killall pulseaudio
st...@wisdom:~$ pulseaudio
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
W: alsa-util.c: Device hw:1 doesn't support 44100 Hz, changed to 32000
Hz.
W: alsa-util.c: Cannot find fallback mixer control "Mic" or mixer
control is no combination of switch/volume.
- </blockquote>
+ ===================================================================
Again, I don't know much about linux, but I am will to try things to get
the sound working.
Thanks
--
Upgrading to Ubuntu 9.04 resulted in loss of all audio
https://bugs.launchpad.net/bugs/370982
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