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I was trying to install Ubuntu 20.04 of my AMD Ryzen 7 3700X my new mobo (chipset X570, Asrock Steel Legend in particular).

The system freezes (become unresponsive with no feedback nor visible error) after a while.

I tried certain configuration options on the BIOS without success, and have been unable to progress the installation or isolate the problem.

MariusSiuram
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1 Answers1

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Even though that solution is given for a different processor, I was able to solve my problem by following this other answer.

The boot parameters that make everything work (both for the installation procedure and for the installed system) are:

pci=assign-busses apicmaintimer idle=poll reboot=cold,hard
MariusSiuram
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  • This fix did not work for me. I am having similar systems (same mobo but 3900x). I have also tried disabling C6 with amd-disable-c6. – WolfLink Nov 29 '20 at 04:20