Robert:  Re the rmmod/modprobe fandango I'm doing:  I've done a bunch of
testing (my next post will detail it), but I'm pretty sure what's going
on with rmmod/modprobe is simply a kernel regression---if pcspkr is
loaded too early, it doesn't work correctly.  So if it's blacklisted,
and then loaded by hand by the user once everything is up, that's
equivalent to un-blacklisting it, waiting until the system is up, and
then doing rmmod/modprobe on it.  You didn't see that with the LiveCD
because you couldn't un-blacklist it since you're booting off read-only
media that specifies the blacklisting.  (I don't know how early it can
be safely enabled; that'll be some other testing, but that's pretty
clearly a kernel regression in my eyes and otherwise unrelated to the
rest of the bugs we're tracking down.)  This also means that, until the
kernel bug is fixed, the easiest thing for people to do is just leave it
blacklisted and then put something in rc.local (or equivalent) that
modprobes it; that's probably late enough, but I'll find out for sure at
some point.

Lots of detailed testing on all the other bugs & aspects of this report
in my next post, once I finish editing it.

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System beep broken in Karmic despite heroic efforts to fix it
https://bugs.launchpad.net/bugs/486154
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