Hi all, I decided to try "ivrs_ioapic[4]=00:14.0 ivrs_ioapic[5]=0:00.2" and it actually worked for me. It is possible that I am a complete idiot and misspelled it 5 times in a row before, but I could have sworn it did nothing before. Now suspend and brightness keys work..:
k@k-Aspire-A315-41:~$ journalctl -b | grep AMD-Vi Dec 13 21:57:49 k-Aspire-A315-41 kernel: AMD-Vi: IOMMU performance counters supported Dec 13 21:57:49 k-Aspire-A315-41 kernel: AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40 Dec 13 21:57:49 k-Aspire-A315-41 kernel: AMD-Vi: Extended features (0x4f77ef22294ada): Dec 13 21:57:49 k-Aspire-A315-41 kernel: AMD-Vi: Interrupt remapping enabled Dec 13 21:57:49 k-Aspire-A315-41 kernel: AMD-Vi: virtual APIC enabled Dec 13 21:57:49 k-Aspire-A315-41 kernel: AMD-Vi: Lazy IO/TLB flushing enabled However it the sensors are still not working: (this is exactly the same as before) k@k-Aspire-A315-41:~$ sensors amdgpu-pci-0300 Adapter: PCI adapter fan1: N/A temp1: +0.0°C (crit = +0.0°C, hyst = +0.0°C) k10temp-pci-00c3 Adapter: PCI adapter temp1: +44.2°C (high = +70.0°C) I am still running Ubuntu 18.04 with the oldest bios. Full model is A315-41-R88G dmesg: https://paste.ubuntu.com/p/vmPdsQSRt4/ lspci: https://paste.ubuntu.com/p/g5NPcBhFpw/ -- 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