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Cliff885 11-13-2007 04:27 AM

No Sound in Ubuntu 7.10, Using Realtek Soundcard
 
Hi guys!

I am very new to Linux and to this forum.
I have just installed Ubuntu 7.10 and am dual booting with Windows XP and everything is working fine.

EXCEPT.

I have NO SOUND when in Ubuntu.
XP is fine.
Sound it working properly in XP.

But if could be great if someone could help me figure out why the sound is not working in Ubuntu and help me fix it?!

Having read other topics, I have realised that the following information might help:

The output I get from the command "lspci" is:

Code:

00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 81)
00:01.0 PCI bridge: Intel Corporation 82945G/GZ/P/PL PCI Express Root Port (rev 81)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 01)
00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 01)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
01:03.0 Mass storage controller: Integrated Technology Express, Inc. ITE 8211F Single Channel UDMA 133 (rev 11)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller (rev 19)
04:00.0 VGA compatible controller: nVidia Corporation NV42 [GeForce 6800 XT] (rev a2)


And the output I get from the command "alsamixer" is:

Code:

┌──────────────────[AlsaMixer v1.0.14 (Press Escape to quit)]──────────────────┐
│ Card: HDA Intel                                                              │
│ Chip: Realtek ALC882                                                        │
│ View: [Playback] Capture  All                                                │
│ Item: Headphone                                                              │
│                                                                              │
│            ┌──┐      ┌──┐    ┌──┐    ┌──┐      ┌──┐    ┌──┐    ┌──┐    │
│            │▒▒│      │  │    │  │    │  │      │  │    │  │    │  │    │
│            │▒▒│      │  │    │  │    │  │      │  │    │  │    │  │    │
│            │▒▒│      │▒▒│    │  │    │  │      │  │    │  │    │  │    >
│            │▒▒│      │▒▒│    │  │    │  │      │  │    │  │    │  │    >
│            │▒▒│      │▒▒│    │  │    │  │      │  │    │  │    │  │    >
│            │▒▒│      │▒▒│    │  │    │  │      │  │    │  │    │  │    >
│            │▒▒│      │▒▒│    │▒▒│    │  │      │  │    │  │    │  │    >
│            │▒▒│      │▒▒│    │▒▒│    │  │      │  │    │  │    │  │    >
│            │▒▒│      │▒▒│    │▒▒│    │  │      │  │    │  │    │  │    │
│            │▒▒│      │▒▒│    │▒▒│    │  │      │  │    │  │    │  │    │
│            │▒▒│      │▒▒│    │▒▒│    │  │      │  │    │  │    │  │    │
│    ┌──┐    └──┘      ├──┤    ├──┤    ├──┤      ├──┤    ├──┤    ├──┤    │
│    │OO│              │OO│    │OO│    │OO│      │OO│    │OO│    │OO│    │
│    └──┘              └──┘    └──┘    └──┘      └──┘    └──┘    └──┘    │
│          100<>100  81<>81  42<>42    0<>0        0        0      0<>0    │
│ <Headphon>  PCM      Front  Front Mi Surround  Center    LFE      Side    │
└──────────────────────────────────────────────────────────────────────────────┘

If there is any other info that you need, please let me know what and more importantly HOW to get it, and I am a total newbe!
It would help so much if somebody could help.

Thank you very much.

Cliff

Simon Bridge 11-13-2007 06:10 AM

The intel ICH7 chipset (yours) has well-discussed problems.
https://bugs.launchpad.net/ubuntu/+s....20/+bug/94373

gedit /etc/modprobe.d/alsa-base ...and add:

snd-hda-intel model=3stack

reboot.

Cliff885 11-14-2007 12:26 AM

hi Simon,

Thank you SOO much for you reply.

But please... explain in a little more detail??!!

because I have NO IDEA what the following two lines mean?!?

Quote:

Originally Posted by Simon Bridge (Post 2957294)
gedit /etc/modprobe.d/alsa-base ...and add:

snd-hda-intel model=3stack

reboot.

Are they some "commands" to run...
if so.. how??
etc etc..?

Will this fix my problems..??

please explain?!

Again..

THANK YOU for the reply!

Cliff

Simon Bridge 11-14-2007 12:52 AM

Did you follow the link?
The links provided by hackers generally contain the explanation - though they can take some effort to read, they are worth it (or it would not have been provided).

Do you know how to use a terminal?

/etc/modprobe.d/alsa-base
... is a text file which contains settings for alsa modules.

I am suggesting that you open it in a text editor, like gedit, and modify the contents.
Look for a line like "snd-hda-intel model=3stack" ... and make it ook like that if it isn't quite the same. If it doesn't exist, add that line at the bottom. If the file dosn't exist, create it.

You may need to be root.

sudo gedit <etc>

I don't know for sure that this will fix the problem, but it has been strongly suggested as a good fix in the bug reports.

Cliff885 11-17-2007 11:04 PM

Thank you again Simon,

I have tried what you asked me, and it does not work unfortunately.
Quote:

Another person in this forum in another forum has said the following:
I had a quick lookup of this error after finding this thread. It unfortunately seems to be a known bug for this particular chipset, and quite an obscure one. One fix suggested was the following:

1. Open the file /etc/modprobe.d/alsa-base. There are any number of ways of doing this, one such way is to press Alt-F2, and in the box that comes up, enter the command "gksudo gedit /etc/modprobe.d/alsa-base" without quotes.
2. Add the following line at the end (again without quotes): "options snd-hda-intel model=auto".
3. Save the file and reboot.
I tried this as well, but no luck.

But maybe I am doing something else wrong..?!
For example:
I have no idea what to choose from the Drop-down lists that is in:
System>Preferences>Sound
???

I will try to provide SreenShots of what I see.

This is what I currently have:
http://img249.imageshack.us/img249/4...referentv2.png

Sound Effects:
-Autodetect
-ALC882 Digital
-ALC882 Analog
-ALSA
-ESD
-OSS

Music and Movies:

-<same options as above>

Audio Configuration:
-Sound Playback
--<same options as above>
..

-Sound Capture
--Same as above PLUS "USB Audio", "Test Sound" and "Silent"

Default Mixer Tracks
-HDA Intel ALSA mixer
-USB Device, 0x64d:0x990(Alsa mixer)
-Realtek ALC882(OSS Mixer)

----------------------------------

I just dont know what to pick?
I have tried a few combinations.. but nothing seems to work.

any help would me appreciated !

Thank you
Cliff

David Raines 09-22-2009 10:59 AM

I have had the same problem and tried this solution and it works fine.

xenodevil 06-04-2011 09:31 AM

worked really fine for me.. :)
a bazillion thanksss! :hattip:


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