MacBook Air + Thunderbolt-Firewire Adapter + LaCie FW800 Drive = Freeze

I recently bought a new MacBook Air 13" including the TB-to-FW800 adapter from Apple. I own an older external LaCie FireWire 800 drive I want to use with.
From time to time (i.e. not always) when I connect the LaCie drive to the MacBook Air, OS X 10.8.2 freezes completely so that I have to hard reset it. Seems that someone here has a similar problem:
http://forums.macrumors.com/showthread.php?t=1419956
Is there any solution available?
Thanks!

The only time my system freezes is if I try to boot with the thunderbolt/firewire drive connected.
I have had no problem connecting the drive after boot has been completed.
Which reminds me I need to retest now that I am at 10.8.2.

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MacBook Air + Thunderbolt-Firewire Adapter + LaCie FW800 Drive = Freeze

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