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[bubba <terp4life2001@xxxxxxxxx>]

Quick Answer: Close the defect, systems are no longer available for
testing.

Long Answer:

I have not had any more luck with this. I had a HW problem with the
system that has rendered it unusable as a frontend. I took a different
nVidia graphics card out of another system to see if it was the
particular graphics card that was flakey. I put it in the problematic
mythtv system and everything worked great, sound and video. I shouted
"woo hoo," as now I knew I only needed to buy a new graphics card. I
took the working graphics card out of the mythtv system and returned it
to its original system... and that's when things started failing.

The original system wouldn't post anymore. I then put the working
graphics card back in mythtv system and I couldn't get sound working at
all any more. It had worked just fine about 20 minutes before. Sadly,
the system that wouldn't post was my frontend in my living room and the
original frontend with the sound problems was the frontend in my
bedroom. Within about 40 minutes I went from thinking that I had solved
the problem to having no functioning frontends.

I tested the livingroom (dead) mobo to death and it couldn't get it to
post at all. The power supply has since fried out (smoke) when testing
something else so that might have been the reason. I tried to diagnose
the system with the flakey sound after the graphics card switching, but
somehow the graphics card switching really borked something on the
system. Even with the LiveCD I could no longer get sound, which as you
can see from the original report had previously been working.

At this point I was pretty frustrated. I gave up on those systems as
frontends and ran out an bought two Acer Aspire Revos (nVidia ION) and
now I'm fighting with their HDMI audio out.

Thanks for the assistance!

-- 
Sound works on LiveCD, but not after install (re-submission)
https://bugs.launchpad.net/bugs/447744
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Status in Mythbuntu, Ubuntu derivative focused upon MythTV: Incomplete

Bug description:
This is a re-submission of https://bugs.launchpad.net/bugs/442793.

Using the 10/09/09 daily build this is the procedure I used to reproduce the defect-

1) Boot LiveCD
2) Run 'alsamixer'
3) Raise volume to 100% for
	a) master
	b) front

* front, surround, center, lfe all 100% too *

4) scp .wav file from server
5) aplay .wav file works fine
6) scp alsa-info.sh from server
7) run alsa-info.sh
8) scp livecd_alsa_info.txt to server
9) install Mythbuntu
	* default settings, used whole HDD, selected IR remote,
	   nvidia graphics driver *
10) reboot
11) exit mythtfrontend (started by default)
12) Run 'alsamixer'
13) Raised volume to 100% for
	a) master
	b) front
14) scp .wav file from server
15) aplay .wav file    <----------------------------------    * ! * FAILS * ! *
16) scp alsa-info.sh from server
17) run alsa-info.sh
18) scp installed_alsa_info.txt results to server
19) filed defect