This may be a duplicate of bug #1000655 which seems to be fixed after an upgrade to kernel 3.2.0-24.38. Could you please test this kernel to see if it solves the problem? A simple 'apt-get update ; apt-get dist-upgrade' should do the job.
This may be a duplicate of bug #1000655 which seems to be fixed after an upgrade to kernel 3.2.0-24.38. Could you please test this kernel to see if it solves the problem? A simple 'apt-get update ; apt-get dist-upgrade' should do the job.