Sean Darcy writes:

Just updated FC30->FC31. Now I'm in a soft lockup boot loop.

Since I can't boot, no logs.

Just before the lockup:

random: crng init done
random: 7 urandom warning(s) missed due to ratelimiting

Something very similar was reported a year ago, but for older kernels:

https://unix.stackexchange.com/questions/442698/when-i-log-in-it-hangs-until- crng-init-done

More recently, some AMD CPUs had a busted hardware random number generator:

https://arstechnica.com/gadgets/2019/10/how-a-months-old-amd-microcode-bug- destroyed-my-weekend/

There were some follow-up stories about a kernel patch that intended as a workaround for the buggy CPUs. Maybe the patch has landed, and it ain't working?

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