Kernel version: raspberrypi 4.4.6-v7+ #871 Umap2 command line: umap2vsscan -P <PHY> -s 1a0a:0102 After connecting such a device, the USB host stops communicating. >From dmesg: [ 5924.751650] usb 1-1.4: new high-speed USB device number 103 using dwc_otg [ 5924.866112] usb 1-1.4: New USB device found, idVendor=1a0a, idProduct=0101 [ 5924.866143] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 5924.866160] usb 1-1.4: Product: UMAP2. PID:0x0101 [ 5924.866175] usb 1-1.4: Manufacturer: UMAP2. VID:0x1a0a [ 5924.866191] usb 1-1.4: SerialNumber: 123456 [ 5924.892698] usb 1-1.4: VID from HSOTG Electrical Test Fixture [ 5924.892725] usb 1-1.4: Got PID 0x101 [ 5924.892741] usb 1-1.4: TEST_SE0_NAK [ 5924.892770] WARN::dwc_otg_hcd_hub_control:3471: USB_PORT_FEAT_TEST 3 Binyamin Sharet Cisco, STARE-C -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
