Was this dmesg taken after you plugged the device into the add-on PCI card? It shows that the device is connected to a USB-3 port.
That's the reason for your problems; the support in Linux for isochronous transfers over USB-3 is buggy. Try plugging the device into a USB-2 port instead.
Was this dmesg taken after you plugged the device into the add-on PCI card? It shows that the device is connected to a USB-3 port.
That's the reason for your problems; the support in Linux for isochronous transfers over USB-3 is buggy. Try plugging the device into a USB-2 port instead.