If you're playing BioShock Infinite on Linux and have encountered an issue, please visit the following address:
If you don't have one already, you'll need to create a Github account, then you'll be able to access the link for "bioshockinfinite-linux".
This will bring you to the official Github page for BioShock Infinite on Linux, where you can post known issues and read up on workarounds and/or solutions.