Comment 3 for bug 843904

Okay, I backported this fix plus e39a015 (the parts that weren't already backported at least). The latter fixes leaks introduced by the former. A test build is available at:

http://people.canonical.com/~sforshee/lp843904/linux-2.6.32-34.76~lp843904v201109121911/

Please test and report back whether or not it fixes your issue. Thanks!