Bug#827670:
Apologies for that. I have already uploaded a fix for this problem and it should appear in unstable in a few minutes and in testing within 2 days.
Bug#827670: libpam-google-authenticator: recent update completely broke ability to log into system
Package: libpam-google-authenticator Version: 20160607-1 Severity: important I just updated yesterday which brought down the new libpam-google-authenticator package uploaded recently. This completely rendered my system unusable which required booting into single user mode and reverting th