Sounds like the famous AMD Ryzen soft lockup bug. Adding something like processor.mac_cstate=5 rcu_nocbs=0-7 to the boot options solved it for me. See fo

Sounds like the famous AMD Ryzen soft lockup bug. Adding something like processor.mac_cstate=5 rcu_nocbs=0-7 to the boot options solved it for me. See for instance this: https://community.amd.com/thread/225795 https://community.amd.com/thread/225795