https://bugs.freedesktop.org/show_bug.cgi?id=108521
--- Comment #45 from Alex Deucher alexdeucher@gmail.com --- (In reply to Dimitar Atanasov from comment #44)
Works with 4.19.32 witch acpi=off, but CPU is single core
Most likely some other device failed to get enumerated in that case and that freed up resources for the bridges.