Dual Layer DVD broken again WTF

[GBob]

Okay, two to three months ago, I could read DVDs fine. Everything was great. Then came along a hal/dbus/gnome volume manager update which tries to automount a dvd. Problem is that when the dvd is accessed before filestat is used on it, it won't read passed 4.3 gigs. Solution, drop gnome.

I've had similar problems before and by changing kernel options I got dvds to read. I updated some of portage and the problem came back again. So here's my problem:
What are all the kernel options and values which need to be set so one can read a dual layer DVD?
What do I need to do to keep programs from automounting, or better yet, not need filestat to run.
Why is the TOC read incorrect so that the data pass the gap is never read?
What can I do to keep this from happening again?

I'm frustrated as this is the fourth time in 2 months that this is broken. No it isn't a region issue and no there are no hardware failures (I've checked both.) Furthermore, no this isn't a commercial dvd problem, I have the problem with dual layer dvds I burned myself.
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