Given that there were updates to the guide I linked in the previous
comment and I had some free time here, I went ahead and burned the
Karmic RC to test.

Sound did not work out of the box as described in my previous comments.
I couldn't easily add the bug report attachments from System Testing for
that audio test to the ticket (because it sees it as duplicate of my
reporting of the bug), but can rerun tests and supply information as
needed (I may need minor assistance to location needed information).
I've also gone ahead and linked the aforementioned guide to this ticket.

Running the command "uname -a" verifies that the live CD I burned was
running the appropriate kernel mentioned in the updated guide.  The
output of uname was: "Linux ubuntu 2.6.31-14-generic #48-Ubuntu SMP Fri
Oct 16 14:05:01 UTC 2009 x86_64 GNU/Linux"

Just also to briefly outline what I did to test using both an upgrade form 
Jaunty and using the Karmic RC Live CD: 
1. Booted the live CD, installed the broadcom driver for wireless support, and 
obtained an internet connection
2. Pulled down beep-test.wav from 
http://www.defence.gov.au/army/hq8bde/jobs/beep-test.wav
3. Right-clicked on the sound preferences, verified all volume controls were at 
max and unmuted.
4. Ran the beep-test.wav in totem (default player).  Noted that an Application 
appeared in Sound Preferences while the totem player was open and visibly 
playing the wav file.  Noted that no sound played.
5. Ran the first audio test under System -> Administration -> System Testing by 
selecting Audio tests and on the first test clicking "Test".  Noted no sound 
played.


And just a minor correction: I've titled this ticket with "MacBook Pro 5.2"; it 
should be "MacBook Pro 5-2".   I wanted to note that in case someone started 
searching for MacBook Pro 5-2.

Again I appreciate any help.

-- 
Apple MacBook Pro 5.2 audio output not working
https://bugs.launchpad.net/bugs/462098
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