no sound on Ubuntu 10.10

[Frans Ketelaars]

On Tue, 09 Nov 2010 10:06:23 -0500, Douglas Pollard wrote:

> On 11/09/2010 07:06 AM, Frans Ketelaars wrote:
>> On Mon, 08 Nov 2010 21:35:43 -0500, Douglas Pollard wrote:
>>
>>> I lost sound when upgrading from 10.04 t0 10.10. I tried switching to
>>> alsa. Below is what I am getting from the terminal.  Does this make
>>> sense to anyone.
>>>
>>>
>>>                Doug
>>>
>>> douglas at ubuntu:~$ sudo lshw -c sound
>>>     *-multimedia UNCLAIMED
>>>          description: Audio device
>>>          product: VT1708/A [Azalia HDAC] (VIA High Definition Audio
>>> Controller)
>>>          vendor: VIA Technologies, Inc.
>>>          physical id: 1
>>>          bus info: pci at 0000:20:01.0
>>>          version: 10
>>>          width: 64 bits
>>>          clock: 33MHz
>>>          capabilities: pm msi pciexpress cap_list configuration:
>>>          latency=0
>> bugreport: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/664785
>> :
>>
>> VT1708/A [Azalia HDAC] (VIA High Definition Audio Controller) had sound
>> in 10.04, not 10.10
>>
>> Good luck!
>>
>>      -Frans
>>
>>
> Well, It looks like it's a bug. I had pulse audio and took it out to try
> alsa.  Now what can I do, go back to10.04 where sound worked?  Can I Buy
> a different brand of sound card? I have Premeir video editor on an xp
> partition I could use it, but I really want to use Cinelerra and kino.
> Does anybody have any other solutions. I don't have any idea what is
> doable if this is a bug.                                 Doug

Comment #3 from that bugreport:

"Strangely this is related to bug#536699. Changing, in the BIOS, the 
graphics aperture size from 128MB to 256MB as suggested in that bug's 
comments solves both that issue and this."

Have you tried that solution and read the #536699 bug report?

Good luck!

    -Frans