I tested blacklisting as you described in the reddit post and it did not fix the vector 07 irq trap issue for me on ubuntu 16.04.
Mobo is gigabyte AB350m-HD3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1671360 Title: System doesn't boot properly on Gigabyte AM4 motherboards (AMD Ryzen) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1671360/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs