Am Mittwoch, den 14.08.2019, 08:17 +0000 schrieb Schmid, Carsten : > [Resend - had mailer errors ] > > Hi Florian, > > today i have seen a strange behaviour of two D-Link DUB-1312 adapters (same Revision A1). > Plugging them into the same port (!) on my device one of them is recognized as SuperSpeed, the other as high speed ??? > (working on 4.14.129 LTS) > > From dmesg, the "faulty" one: > [ 530.585871] usb 1-2: new high-speed USB device number 4 using xhci_hcd <<<<<<<<< HUH ???? XHCI is not like EHCI. It needs no companion controller, as it serves all speeds. > I had a look at the driver code of ax88179, but that one didn't change much in the past up to v5.2. > Nothing that explains what i can see here. This is on a lower layer than ax88179. This comes from xhci_hcd. Is this a regression? Regards Oliver
