Ayuda con el sonido de mi acer 6920 por favor!!!!!!!!

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Hola a todos, espero alguien me pueda ayudar con mi problema.

Soy un usuario bastante novato en esto del linux pues no estoy familiarizado con los comandos en absoluto y harto del maldito vista le instale hace apenas un par de dias el ubuntu ver.8.10 a 64bits a mi laptop acer aspire 6920 mejor conocida como gemstone y todo parecia estar bien excepto por un problema en la tarjeta de sonido que aun que aun que parecia estar correctamente instalada y funcionaban todos los controles de sonido la computadora no emitia sonido alguno.

Entonces recurri a los foros para tratar de solucionar mi problema y encontre que existe un problema con la tarjeta que tiene mi equipo (realtek ALC268/ALC885/ALC889) para los cuales planteaban distintas soluciones ninguna de las cuales funciono. Primero alguien dijo haber resuelto el problema bajando un parche y modificando una linea de comando de /etc/modnaban probe.d/alsa-base para que diga options snd-hda-intel model=mitac (o acer-aspire), (http://ubuntuforums.org/archive/index.php/t-820774.html) pero no funciono en absoluto. Posteriormente en distintos foros hablaban de cambiar el alsa por oss4 (lo cual todavia no entiendo completamente) y segui las instrucciones tal y como se presentaban(http://ph.ubuntuforums.com/showthread.php?s=a93fdb200a272dc7b73dab0a86ad6aac&t=921637) pero al reiniciar el equipo fue como si mi tarjeta de sonido se hubiese desinstalado pues ahora el control de volumen aparece deshabilitado y cuando lo intento abrir me aparece un mensaje que me indica que no se han encontrado complementos o dispositivos del control de volumen del gstreamer y en las pruebas de hardware en un principio si me daba la prueba de sonido y ahora simplemente se salta dicha prueba, ademas ahora con el comando aplay -l me manda de respuesta, aplay: device_list:215: no se encontraron tarjetas de sonido...

Eso si, me abre el control de sonido del oss4 (ossxmix) que instale pero como veran aparntemente no sirve de nada pues lo que no se es como reinstalar mi tarjeta de sonido.

Agradesco de antemano su ayuda. Gracias.

aqui pongo parte de mi soundon.log...

Open Sound System starting Mon Nov 17 01:38:20 CST 2008
OSS version: 4.1 (b rc2/200811160555)
Kernel version: 2.6.27-7-generic
Kernel vermagic: 2.6.27-7-generic SMP mod_unload modversions
OSS vermagic: 2.6.27-7-generic SMP mod_unload modversions

*** Loading OSS kernel modules ***

osscore module loaded OK
oss_hdaudio module loaded OK
oss_usb module loaded OK

*** Finished loading OSS kernel modules ***

11 audio devices
/dev/dsp11 is the next free legacy device
/dev/dsp0: symlink -> /dev/oss/oss_hdaudio0/pcm0 OK
/dev/dsp1: symlink -> /dev/oss/oss_hdaudio0/pcm1 OK
/dev/dsp2: symlink -> /dev/oss/oss_hdaudio0/pcm2 OK
/dev/dsp3: symlink -> /dev/oss/oss_hdaudio0/pcm3 OK
/dev/dsp4: symlink -> /dev/oss/oss_hdaudio0/pcm4 OK
/dev/dsp5: symlink -> /dev/oss/oss_hdaudio0/pcm5 OK
/dev/dsp6: symlink -> /dev/oss/oss_hdaudio0/pcm6 OK
/dev/dsp7: symlink -> /dev/oss/oss_hdaudio0/pcm7 OK
/dev/dsp8: symlink -> /dev/oss/oss_hdaudio0/pcmin0 OK
/dev/dsp9: symlink -> /dev/oss/oss_hdaudio0/pcmin1 OK
/dev/dsp10: symlink -> /dev/oss/oss_hdaudio0/pcmin2 OK
11 legacy dsp device files
/dev/oss/oss_hdaudio0/pcm0 is the default /dev/dsp device
/dev/oss/oss_hdaudio0/pcm0 is the default dsp_out device
/dev/oss/oss_hdaudio0/pcm0 is the default dsp_in device
/dev/oss/oss_hdaudio0/pcm0 is the default mmap output device
/dev/oss/oss_hdaudio0/pcm0 is the default multichan output device
1 mixer devices
/dev/mixer1 is the next free legacy device
/dev/mixer0: symlink -> /dev/oss/oss_hdaudio0/mix0 OK
1 legacy mixer device files
+++ ossinfo -v3 +++
Version info: OSS 4.1 (b rc2/200811160555) (0x00040090)
Hg revision: changeset: 516:1e608bc45947, tag: tip, date: Thu Nov 13 09:05:03 2008 +0200, summary: Some ich/ac97 changes
Platform: Linux/x86_64 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:06 UTC 2008 (multivac)

Number of audio devices: 11
Number of audio engines: 15
Number of mixer devices: 1

Device objects
0: osscore0 OSS core services
1: oss_hdaudio0 Intel HD Audio interrupts=521 (521)
HD Audio controller Intel HD Audio
Vendor ID 0x8086284b
Subvendor ID 0x10250146
Codec 0: Unknown (0x10ec0889/0x10250146)
Codec 1: Unknown (0x11c11040)
2: oss_usb0 USB audio core services

Mixer devices
0: High Definition Audio 0x10ec088 (Mixer 0 of device object 1)
Device file /dev/oss/oss_hdaudio0/mix0, Legacy device /dev/mixer0
Priority: 10
Caps:
Device handle: PCI01461025-0000:00:1b.0-mx01
Device priority: 10

Audio devices
HD Audio play pcm1 /dev/oss/oss_hdaudio0/pcm0 (device index 0)
Legacy device /dev/dsp0
Caps: DUPLEX TRIGGER MMAP
Modes: IN/OUT
Out engine 1: 0/HD Audio play pcm1
Available for use
Engine 2: 11/HD Audio play pcm1 (vmix)
Available for use
Engine 3: 12/HD Audio play pcm1 (vmix)
Available for use
Engine 4: 13/HD Audio play pcm1 (vmix)
Available for use
Engine 5: 14/HD Audio play pcm1 (vmix)
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: PCI01461025-0000:00:1b.0-au01
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 8
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
...

[ 18.450547] oss_hdaudio 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[ 18.455270] oss_hdaudio: Unknown HDA codec 0x10ec0889
[ 18.467102] oss_hdaudio: Unknown HDA codec 0x11c11040
[ 18.467498] oss_hdaudio: Unknown HDA codec 0x10ec0889
[ 18.467913] oss_hdaudio: Unknown HDA codec 0x11c11040
[ 18.471167] oss_hdaudio: Too many output endpoints for codec 1 (12)
[ 18.471174] oss_hdaudio: Too many output endpoints (12)
[ 18.471178] oss_hdaudio: Too many output endpoints (12)
[ 18.471182] oss_hdaudio: Too many output endpoints (12)
[ 18.474734] Too many output endpoints. Endpoint 8 ignored.
[ 18.474743] Too many output endpoints. Endpoint 9 ignored.
[ 18.474748] Too many output endpoints. Endpoint 10 ignored.
[ 18.474754] Too many output endpoints. Endpoint 11 ignored.
[ 18.474760] Too many output endpoints. Endpoint 0 ignored.
[ 18.474765] Too many output endpoints. Endpoint 1 ignored.
[ 18.474771] Too many output endpoints. Endpoint 2 ignored.
[ 18.474776] Too many output endpoints. Endpoint 3 ignored.
[ 18.474782] Too many output endpoints. Endpoint 4 ignored.
[ 18.474787] Too many output endpoints. Endpoint 5 ignored.
[ 18.474793] Too many output endpoints. Endpoint 6 ignored.
[ 18.474798] Too many output endpoints. Endpoint 7 ignored.
[ 18.474804] Too many output endpoints. Endpoint 8 ignored.
[ 18.474809] Too many output endpoints. Endpoint 9 ignored.
[ 18.474815] Too many output endpoints. Endpoint 10 ignored.
[ 18.474820] Too many output endpoints. Endpoint 11 ignored.
[ 18.514269] usbcore: registered new interface driver oss_usb

...

00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
Subsystem: Acer Incorporated [ALI] Device 0146
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at fc300000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [130] Root Complex Link <?>
Kernel driver in use: oss_hdaudio

...

+++ /proc/opensound/devfiles +++
sndstat 252 0
mixer 252 1
oss/oss_hdaudio0/mix0 251 2
oss/oss_hdaudio0/pcm0 251 3
oss/oss_hdaudio0/pcm1 251 5
oss/oss_hdaudio0/pcm2 251 7
oss/oss_hdaudio0/pcm3 251 9
oss/oss_hdaudio0/pcm4 251 11
oss/oss_hdaudio0/pcm5 251 13
oss/oss_hdaudio0/pcm6 251 15
oss/oss_hdaudio0/pcm7 251 17
oss/oss_hdaudio0/pcmin0 251 19
oss/oss_hdaudio0/pcmin1 251 21
oss/oss_hdaudio0/pcmin2 251 23
ls: cannot access /dev/midi*: No such file or directory
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp -> /dev/oss/oss_hdaudio0/pcm0
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp0 -> /dev/oss/oss_hdaudio0/pcm0
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp1 -> /dev/oss/oss_hdaudio0/pcm1
lrwxrwxrwx 1 root root 28 Nov 17 01:38 /dev/dsp10 -> /dev/oss/oss_hdaudio0/pcmin2
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp2 -> /dev/oss/oss_hdaudio0/pcm2
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp3 -> /dev/oss/oss_hdaudio0/pcm3
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp4 -> /dev/oss/oss_hdaudio0/pcm4
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp5 -> /dev/oss/oss_hdaudio0/pcm5
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp6 -> /dev/oss/oss_hdaudio0/pcm6
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp7 -> /dev/oss/oss_hdaudio0/pcm7
lrwxrwxrwx 1 root root 28 Nov 17 01:38 /dev/dsp8 -> /dev/oss/oss_hdaudio0/pcmin0
lrwxrwxrwx 1 root root 28 Nov 17 01:38 /dev/dsp9 -> /dev/oss/oss_hdaudio0/pcmin1
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp_in -> /dev/oss/oss_hdaudio0/pcm0
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp_mmap -> /dev/oss/oss_hdaudio0/pcm0
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp_multich -> /dev/oss/oss_hdaudio0/pcm0
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/dsp_out -> /dev/oss/oss_hdaudio0/pcm0
crw-rw-rw- 1 root root 252, 1 Nov 17 01:38 /dev/mixer
lrwxrwxrwx 1 root root 26 Nov 17 01:38 /dev/mixer0 -> /dev/oss/oss_hdaudio0/mix0
crw-rw-rw- 1 root root 251, 2 Nov 17 01:38 /dev/oss/oss_hdaudio0/mix0
crw-rw-rw- 1 root root 251, 3 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm0
crw-rw-rw- 1 root root 251, 5 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm1
crw-rw-rw- 1 root root 251, 7 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm2
crw-rw-rw- 1 root root 251, 9 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm3
crw-rw-rw- 1 root root 251, 11 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm4
crw-rw-rw- 1 root root 251, 13 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm5
crw-rw-rw- 1 root root 251, 15 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm6
crw-rw-rw- 1 root root 251, 17 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcm7
crw-rw-rw- 1 root root 251, 19 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcmin0
crw-rw-rw- 1 root root 251, 21 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcmin1
crw-rw-rw- 1 root root 251, 23 Nov 17 01:38 /dev/oss/oss_hdaudio0/pcmin2

Loading mixer settings from /usr/lib/oss/etc/mixer.save