After some more testing I found that these params are enough for me to boot properly on A315-41G, bios 1.13, ubuntu 18.04, kernel 4.18, uefi, secure boot:
"mem_encrypt=off ivrs_ioapic[4]=00:14.0 ivrs_ioapic[5]=00:00.2 rcu_nocbs=0-7 idle=nomwait acpi_enforce_resources=lax" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776563 Title: Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash To manage notifications about this bug go to: https://bugs.launchpad.net/amd/+bug/1776563/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
