Comment 5 for bug 1168961

Instead, please test this bisection kernel built from the Ubuntu kernel source:
linux-image-3.2.0-40-generic_3.2.0-40.63~spcbisect01_amd64.deb

Found here:
http://people.canonical.com/~sconklin/precise-bisection/

For future reference:
# bad: [985689ad1c3211f4f3a9ce0e2371847320ba873f] UBUNTU: Ubuntu-3.2.0-40.64
# good: [ba89d2a7ca8233e29c9fdeabefb7fdbb6775626e] UBUNTU: Ubuntu-3.2.0-39.62
git bisect start 'Ubuntu-3.2.0-40.64' 'Ubuntu-3.2.0-39.62'

Please report results here, thanks.