over 4 years ago - Avanya - Direct link
If you can post your output log (player.log on Mac and Linux) from right after a freeze/crash like that, then we might be able to spot what's happening. This guide explains where to find the log and suggests some places to upload it to, since we can't attach files here on Steam. :)

https://steamcommunity.com/sharedfiles/filedetails/?id=463645931&searchtext=log