it is pulseaudio call snd_pcm_start at
37.726| 0.000) I: [alsa-sink-Intel ICH] alsa-sink.c: Starting
playback.
so you have to find out why pulseaudio did not write any data to alsa-sink
( 37.702| 32.638) I: [pulseaudio] client.c: Created 3 "Native client (UNIX
socket client)"
( 37.704| 0.002) I: [pulseaudio] client.c: Freed 3 "Native client (UNIX
socket client)"
( 37.704| 0.000) I: [pulseaudio] protocol-native.c: Connection died.
( 37.712| 0.007) I: [pulseaudio] client.c: Created 4 "Native client (UNIX
socket client)"
( 37.721| 0.008) D: [pulseaudio] protocol-native.c: Protocol version: remote
28, local 28
( 37.721| 0.000) I: [pulseaudio] protocol-native.c: Got credentials:
uid=1000 gid=1000 success=1
( 37.721| 0.000) D: [pulseaudio] protocol-native.c: SHM possible: yes
( 37.721| 0.000) D: [pulseaudio] protocol-native.c: Negotiated SHM: yes
( 37.721| 0.000) D: [pulseaudio] module-augment-properties.c: Looking for
.desktop file for plugin-container
( 37.725| 0.003) D: [pulseaudio] module-intended-roles.c: Not setting device
for stream ALSA Playback, because it lacks role.
( 37.725| 0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.pci-0000_00_04.0.analog-stereo becomes busy, resuming.
( 37.725| 0.000) D: [pulseaudio] sink.c: Suspend cause of sink
alsa_output.pci-0000_00_04.0.analog-stereo is 0x0000, resuming
( 37.726| 0.000) D: [pulseaudio] reserve-wrap.c: Successfully acquired
reservation lock on device 'Audio0'
( 37.726| 0.000) I: [alsa-sink-Intel ICH] alsa-sink.c: Trying resume...
( 37.726| 0.000) D: [alsa-sink-Intel ICH] alsa-util.c: Maximum hw buffer
size is 371 ms
( 37.726| 0.000) D: [alsa-sink-Intel ICH] alsa-util.c: Set buffer size first
(to 3528 samples), period size second (to 441 samples).
( 37.726| 0.000) D: [alsa-sink-Intel ICH] alsa-sink.c: hwbuf_unused=0
( 37.726| 0.000) D: [alsa-sink-Intel ICH] alsa-sink.c: setting avail_min=1
( 37.726| 0.000) I: [alsa-sink-Intel ICH] alsa-sink.c: Resumed
successfully...
( 37.726| 0.000) I: [alsa-sink-Intel ICH] alsa-sink.c: Starting playback.
( 37.726| 0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.pci-0000_00_04.0.analog-stereo becomes idle, timeout in 5 seconds.
( 37.727| 0.000) D: [pulseaudio] memblockq.c: memblockq requested:
maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0
( 37.727| 0.000) D: [pulseaudio] memblockq.c: memblockq sanitized:
maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0
( 37.727| 0.000) I: [pulseaudio] sink-input.c: Created input 0 "ALSA
Playback" on alsa_output.pci-0000_00_04.0.analog-stereo with sample spec s16le
2ch 44100Hz and channel map front-left,front-right
( 37.727| 0.000) I: [pulseaudio] sink-input.c: media.name = "ALSA
Playback"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: application.name = "ALSA
plug-in [plugin-container]"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: native-protocol.peer =
"UNIX socket client"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: native-protocol.version =
"28"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: application.process.id =
"2232"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: application.process.user
= "bmullan"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: application.process.host
= "bmullan-virtual-machine"
( 37.727| 0.000) I: [pulseaudio] sink-input.c:
application.process.binary = "plugin-container"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: application.language =
"en_US.UTF-8"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: window.x11.display = ":0"
( 37.727| 0.000) I: [pulseaudio] sink-input.c:
application.process.machine_id = "735ddae164ef1ded237a4a095272b03a"
( 37.727| 0.000) I: [pulseaudio] sink-input.c:
application.process.session_id = "c2"
( 37.727| 0.000) I: [pulseaudio] sink-input.c: module-stream-restore.id
= "sink-input-by-application-name:ALSA plug-in [plugin-container]"
( 37.727| 0.000) I: [pulseaudio] protocol-native.c: Requested tlength=500.00
ms, minreq=20.00 ms
( 37.727| 0.000) D: [pulseaudio] protocol-native.c: Early requests mode
enabled, configuring sink latency to minreq.
( 37.727| 0.000) E: [alsa-sink-Intel ICH] alsa-sink.c: ALSA woke us up to
write new data to the device, but there was actually nothing to write!
( 37.727| 0.000) E: [alsa-sink-Intel ICH] alsa-sink.c: Most likely this is a
bug in the ALSA driver 'snd_intel8x0'. Please report this issue to the ALSA
developers.
( 37.727| 0.000) E: [alsa-sink-Intel ICH] alsa-sink.c: We were woken up with
POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value
< min_avail.
** Also affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1246929
Title:
alsa bug in KVM virtual machines
Status in “alsa-driver” package in Ubuntu:
Incomplete
Status in “pulseaudio” package in Ubuntu:
New
Bug description:
I am on Ubuntu 13.10 desktop
16GB ram
asus sabertooth 990fx r2.0 motherboard
amd 8346 cpu
nvidia gtx650 video card
Since upgrading to Ubuntu 13.10 audio no longer works in KVM.
Checking SYSLOG I found this error being logged:
Oct 31 15:32:31 bmullan-virtual-machine pulseaudio[1814]: [alsa-source-ID 21
Analog] alsa-source.c: ALSA woke us up to read new data from the device, but
there was actually nothing to read!
Oct 31 15:32:31 bmullan-virtual-machine pulseaudio[1814]: [alsa-source-ID 21
Analog] alsa-source.c: Most likely this is a bug in the ALSA driver
'snd_hda_intel'. Please report this issue to the ALSA developers.
Oct 31 15:32:31 bmullan-virtual-machine pulseaudio[1814]: [alsa-source-ID 21
Analog] alsa-source.c: We were woken up with POLLIN set -- however a subsequent
snd_pcm_avail() returned 0 or another value < min_avail.
brian
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
Uname: Linux 3.11.0-11-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Thu Oct 31 19:45:53 2013
InstallationDate: Installed on 2013-10-31 (0 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20131003)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/09/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1708
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: SABERTOOTH 990FX R2.0
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1708:bd04/09/2013:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnSABERTOOTH990FXR2.0:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: To be filled by O.E.M.
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