ubuntu doesn't recognize plugged audio headset on Acer Aspire One

[Tommy_CZ]

Hi, my Ubuntu 10.10 on Acer Aspire One doesn't recognize my headset plugged in, it still plays the music from loud-speakers and not throught headset.
What can I do with it? Thank you in advance.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.34
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: barcikk 1823 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xd0400000 irq 16'
   Mixer name : 'Conexant CX20585'
   Components : 'HDA:14f15069,1025043d,00100302'
   Controls : 12
   Simple ctrls : 10
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xd0110000 irq 5'
   Mixer name : 'ATI RS690/780 HDMI'
   Components : 'HDA:1002791a,00791a00,00100000'
   Controls : 4
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Sun Oct 17 11:37:02 2010
HibernationDevice: RESUME=UUID=34fe2cca-801a-4e8b-a63d-2404d0da55ec
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100901.1)
Lsusb:
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 0402:9665 ALi Corp.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Acer AO521
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=edf0e34a-e50a-46e3-9832-0c810ec85c9d ro acpi=noirq quiet splash
ProcEnviron:
 LANGUAGE=cs_CZ
 LANG=cs_CZ.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
dmi.bios.date: 08/16/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.08
dmi.board.name: JV01-NL
dmi.board.vendor: Acer
dmi.board.version: Not Applicable
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.08:bd08/16/2010:svnAcer:pnAO521:pvrNotApplicable:rvnAcer:rnJV01-NL:rvrNotApplicable:cvnAcer:ct10:cvrN/A:
dmi.product.name: AO521
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer

[Tommy_CZ (t-kijas)]

I tried latest mainstream kernel and the situation is the same. One point is, that before one month, the sound worked correctly even throught headset, so probably any update broke it.

[Tommy_CZ (t-kijas)]

Thanks for the answer.

[Tommy_CZ (t-kijas)]

Resolved in natty alpha - 11.04 64bit.