https://bugzilla.kernel.org/show_bug.cgi?id=204975 Masato Yoshida (masato@xxxxxxxxxxxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |masato@xxxxxxxxxxxxxxxxxx --- Comment #11 from Masato Yoshida (masato@xxxxxxxxxxxxxxxxxx) --- BioStar's X570GT8 motherboard AGESA 1.0.0.4 patch B has the same error. OS ubuntu 19.10 kernel 5.4.21 By setting the PCI-E speed to Gen2 in UEFI BIOS, no error occurs and pass-through can be performed without any problem. -- You are receiving this mail because: You are watching the assignee of the bug.