XHCI: Can't boot off USB3 drives (but USB2 drives and/or ports work OK)
|Reported by:||waddlesplash||Owned by:||nobody|
|Blocked By:||Blocking:||#14999, #15014, #15061, #15186|
|Has a Patch:||no||Platform:||All|
This seems to occur only on *some* hardware. At least my (rather common) Lynx Point controller is affected, as are the controllers on various Ryzen motherboards, and MacBooks also.
Oddly, said USB devices usually work when they are plugged in after boot, just not when they are booted from.