Comment # 25
on bug 111122
from andreaskem@web.de
Apparently, Lenovo released a new BIOS update for my laptop (Thinkpad E485) today. The changelog mentions, "Sync IOAPICID in IVRS and APIC ACPI tables (Linux)." I installed the update and removed both the ivrs_ioapic[32]=00:14.0 flag, as well as the iommu=pt flag from my kernel command line for testing. To my surprise, the laptop booted just fine and from what I can tell, the graphical corruption seems to be gone. In the meantime, the kernel and mesa were updated a few times and I cannot pinpoint what, exactly, fixed my issues. -> mesa 19.1.5 -> kernel 5.2.10.arch1-1 -> llvm-libs 8.0.1-3
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