having the same issue...
any solution to this yet ?
Code:
[ 49.032846] usb 2-1.1: new high-speed USB device number 3 using ehci-pci
[ 49.128660] usb 2-1.1: New USB device found, idVendor=17e9, idProduct=0033
[ 49.128672] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 49.128677] usb 2-1.1: Product: K33907
[ 49.128682] usb 2-1.1: Manufacturer: DisplayLink
[ 49.128686] usb 2-1.1: SerialNumber: 0033-100831
[ 50.148085] [drm] vendor descriptor length:e0 data:00 00 00 00 00 00 00 00 00 00 00
[ 50.148095] [drm:udl_driver_load [udl]] *ERROR* Unrecognized vendor firmware descriptor
[ 50.196976] EDID block is all zeroes
[ 50.196991] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 50.197561] udl 2-1.1:1.0: fb1: udldrmfb frame buffer device
[ 50.197564] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 50.197564] [drm] No driver support for vblank timestamp query.
[ 50.197566] [drm] Initialized udl on minor 1
[ 50.197591] usbcore: registered new interface driver udl
[ 50.390848] EDID block is all zeroes
[ 50.390864] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 50.438966] EDID block is all zeroes
[ 50.438977] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 120.941994] EDID block is all zeroes
[ 120.942011] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 121.081365] EDID block is all zeroes
[ 121.081383] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 306.286639] EDID block is all zeroes
[ 306.286655] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 758.287223] EDID block is all zeroes
[ 758.287230] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 758.364453] EDID block is all zeroes
[ 758.364460] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 758.441228] EDID block is all zeroes
[ 758.441235] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 758.459631] evdi: module verification failed: signature and/or required key missing - tainting kernel
[ 758.461167] evdi: [I] Initialising logging on level 5
[ 759.439734] EDID block is all zeroes
[ 759.439761] udl 2-1.1:1.0: DVI-I-1: EDID invalid.
[ 759.488616] EDID block is all zeroes
[ 759.488628] udl 2-1.1:1.0: DVI-I-1: EDID invalid.