Been using pam_usb 0.3.2 on amd64 for about a month now without even the slightest of problems. Should be unmasked :) Reproducible: Always Steps to Reproduce: 1. 2. 3.
I think this is more for amd64, but still I'm not sure of this as this is not safe for multilib-strict.
diego made it multilib-strict-safe a few days ago, so we can mark it stable