Public bug reported:
from /var/log/syslog:
Jul 11 08:01:00 greg-desktop pulseaudio[3698]: alsa-sink.c: Unable to set
switch: Operation not permitted
Jul 11 08:01:00 greg-desktop pulseaudio[3698]: bluetooth-util.c: Error from
ListAdapters reply: org.freedesktop.DBus.Error.ServiceUnknown
Jul 11 08:01:51 greg-desktop pulseaudio[3698]: alsa-sink.c: ALSA woke us up to
write new data to the device, but there was actually nothing to write!
Jul 11 08:01:51 greg-desktop pulseaudio[3698]: alsa-sink.c: Most likely this is
a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA
developers.
Jul 11 08:01:51 greg-desktop pulseaudio[3698]: alsa-sink.c: We were woken up
with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another
value < min_avail.
ProblemType: Bug
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: greg 3990 F.... mixer_applet2
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xdffdc000 irq 16'
Mixer name : 'SigmaTel STAC9227'
Components : 'HDA:83847618,102801db,00100201'
Controls : 36
Simple ctrls : 23
Card1.Amixer.info:
Card hw:1 'U0x46d0x8b3'/'USB Device 0x46d:0x8b3 at usb-0000:04:04.1-2, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08b3'
Controls : 2
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined
Capture channels: Mono
Limits: Capture 0 - 3
Mono: Capture 2 [67%] [50.00dB] [on]
Date: Sat Jul 11 08:05:16 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.20+dfsg-1ubuntu4
PackageArchitecture: all
ProcEnviron:
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-2.17-generic
SourcePackage: alsa-driver
Uname: Linux 2.6.31-2-generic i686
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
no sounds through alsa, errors in syslog
https://bugs.launchpad.net/bugs/398080
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