lsusb: Bus 001 Device 002: ID 2040:4903 Hauppauge new Hardware ID 0x4903 is not in the driver. modifying hdpvr.h and hdpvr-core.c to add a new PRODUCT_ID for the 0x4903 and recompile appears to correct the problem. hdpvr.h line 34 added: #define HD_PVR_PRODUCT_ID4 0x4903 hdpvr-core.c line 63 added: { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID4) },