dmesg

[ 1272.860454] udlfb: USB disconnect starting
[ 1272.860456] udlfb: Freeing all render urbs
[ 1272.860693] udlfb: fb_info for /dev/fb1 has been freed
[ 1272.860757] udlfb: freeing dlfb_data ffff880093810800
[ 1282.365411] udlfb 2-1.2.2.4:1.0: usb_probe_interface
[ 1282.365417] udlfb 2-1.2.2.4:1.0: usb_probe_interface - got id
[ 1282.365430] udlfb: DisplayLink USB Adapter - serial #165002014428178
[ 1282.365432] udlfb: vid_17e9&pid_0199&rev_0108 driver's dlfb_data struct at ffff88008a563000
[ 1282.365433] udlfb: console enable=1
[ 1282.365434] udlfb: fb_defio enable=1
[ 1282.365435] udlfb: shadow enable=1
[ 1282.365522] udlfb: vendor descriptor length:22 data:22 5f 01 0020 05 00 01 03 04 02
[ 1282.365524] udlfb: DL chip limited to 2080000 pixel modes
[ 1282.365552] udlfb: allocated 4 65024 byte urbs
[ 1282.453481] udlfb: 1024x768 @ 60 Hz valid mode
[ 1282.453488] udlfb: 720x400 @ 70 Hz valid mode
[ 1282.453491] udlfb: 640x480 @ 60 Hz valid mode
[ 1282.453495] udlfb: 640x480 @ 67 Hz valid mode
[ 1282.453498] udlfb: 640x480 @ 72 Hz valid mode
[ 1282.453502] udlfb: 640x480 @ 75 Hz valid mode
[ 1282.453505] udlfb: 800x600 @ 56 Hz valid mode
[ 1282.453508] udlfb: 800x600 @ 60 Hz valid mode
[ 1282.453512] udlfb: 800x600 @ 72 Hz valid mode
[ 1282.453516] udlfb: 800x600 @ 75 Hz valid mode
[ 1282.453519] udlfb: 832x624 @ 75 Hz valid mode
[ 1282.453523] udlfb: 1024x768 @ 60 Hz valid mode
[ 1282.453526] udlfb: 1024x768 @ 70 Hz valid mode
[ 1282.453530] udlfb: 1024x768 @ 75 Hz valid mode
[ 1282.453533] udlfb: 640x480 @ 75 Hz valid mode
[ 1282.453537] udlfb: 800x600 @ 75 Hz valid mode
[ 1282.453540] udlfb: 1024x768 @ 75 Hz valid mode
[ 1282.453544] udlfb: Reallocating framebuffer. Addresses will change!
[ 1282.454198] udlfb: 1024x768 @ 60 Hz valid mode
[ 1282.454203] udlfb: set_par mode 1024x768
[ 1282.456126] udlfb: DisplayLink USB device /dev/fb1 attached. 1024x768 resolution. Using 3072K framebuffer memory