[Bug 494315] [NEW] ALSA wakes pulseaudio w/o any data to write

[garaden]

Public bug reported:

Binary package hint: linux-backports-modules-alsa-karmic-generic

In /var/log/syslog:

pulseaudio[1745]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
pulseaudio[1745]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
pulseaudio[1745]: 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
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC0D0p:   matthew    1745 F...m pulseaudio
 /dev/snd/controlC0:  matthew    1745 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf7db8000 irq 28'
   Mixer name	: 'Realtek ALC269'
   Components	: 'HDA:10ec0269,10438398,00100004'
   Controls      : 12
   Simple ctrls  : 7
CheckboxSubmission: cfa0e67507bc45a058c51a30dd8ffb23
CheckboxSystem: 9c26adf6eed2f681ba41f94dd24c07e4
Date: Tue Dec  8 23:23:46 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=5446fc1f-b9d7-40ca-bb5e-3cb26a317241
InstallationMedia: Ubuntu-Netbook-Remix 9.10 "Karmic Koala" - Release i386 (20091028.4)
MachineType: ASUSTeK Computer INC. 1005HA
Package: linux-backports-modules-alsa-karmic-generic 2.6.31.16.29
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.31-16-generic root=UUID=f1a9c74a-d75a-4c3c-a0ed-b69ae119ca09 ro quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-16.52-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-16-generic N/A
 linux-firmware 1.25
SourcePackage: linux-meta
Tags:  ubuntu-unr
Uname: Linux 2.6.31-16-generic i686
dmi.bios.date: 09/23/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0905
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1005HA
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0905:bd09/23/2009:svnASUSTeKComputerINC.:pn1005HA:pvrx.x:rvnASUSTeKComputerINC.:rn1005HA:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1005HA
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 ubuntu-unr

-- 
ALSA wakes pulseaudio w/o any data to write
https://bugs.launchpad.net/bugs/494315
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