https://bugzilla.kernel.org/show_bug.cgi?id=201753 --- Comment #31 from Neil (ledufff@xxxxxxxxxxx) --- Hah. It's true, cold booted and IOMMU was implemented, but after the second reboot, I got: [ 0.857880] pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter. my system: linux 5.10.23-200.fc33.x86_64, thinkpad e495 / AMD Ryzen 3500u -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
