blacklist udlfb and use udl; you need x-video modesetting driver installer (zypper se modesetting); with xrandr set provide commando and in GNOME it will show up on KDE it doesn't dunno why 2013/11/20 Alejandro Bonilla <abonilla@linuxwireless.org>:
Getting back to this one - now that I've received the actual display...
When connected
[ 2308.309058] usb 2-1.5: new high-speed USB device number 4 using ehci-pci [ 2308.384057] usb 2-1.5: device descriptor read/64, error 64 [ 2308.574240] usb 2-1.5: New USB device found, idVendor=17e9, idProduct=03e0 [ 2308.574247] usb 2-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2308.574251] usb 2-1.5: Product: Lenovo LT1421 wide [ 2308.574253] usb 2-1.5: Manufacturer: DisplayLink [ 2308.574256] usb 2-1.5: SerialNumber: 6V9BZHC1 [ 2308.575818] [drm] vendor descriptor length:17 data:17 5f 01 00 15 05 00 01 03 00 04 [ 2308.668814] udl 2-1.5:1.0: fb1: udldrmfb frame buffer device [ 2308.668819] udl 2-1.5:1.0: registered panic notifier [ 2308.668824] [drm] Initialized udl 0.0.1 20120220 on minor 0
xrandr --listproviders Providers: number : 1 Provider 0: id: 0x2d9 cap: 0x1, Source Output crtcs: 4 outputs: 8 associated providers: 0 name:NVIDIA-0
xrandr Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384 VGA-0 disconnected (normal left inverted right x axis y axis) LVDS-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.0*+ 50.0 DP-0 disconnected (normal left inverted right x axis y axis) DP-1 disconnected (normal left inverted right x axis y axis) DP-2 disconnected (normal left inverted right x axis y axis) DP-3 disconnected (normal left inverted right x axis y axis) DP-4 disconnected (normal left inverted right x axis y axis) DP-5 disconnected (normal left inverted right x axis y axis)
I should see the Display here, but I don't. hwinfo provides
SysFS BusID: 2-1.5:1.0 Hardware Class: unknown Model: "DisplayLink Lenovo LT1421 wide" Hotplug: USB Vendor: usb 0x17e9 "DisplayLink" Device: usb 0x03e0 "Lenovo LT1421 wide" Revision: "1.08" Serial ID: "6V9BZHC1" Driver: "udl" Driver Modules: "drm_usb"
so, should I be using the udl or fbudl driver, I don't see the fb*udl anywhere...
Thanks!
On Sun, Nov 17, 2013 at 11:32 AM, Stefan Brüns <stefan.bruens@rwth-aachen.de> wrote:
Am Sonntag, 17. November 2013, 01:06:08 schrieb Alejandro Bonilla:
Hi,
Anyone out there using DisplayLink? - is it "tested" in Factory?
ie, perhaps
http://support.lenovo.com/en_US/product-and-parts/detail.page?&DocID=PD015702
Thanks
It depends - there are two generations of the DisplayLink chipset, the old USB2 chipset(s) [1] and the newer USB3 ones [2].
The DL-1x5 series works fine with the current kernel, out of the box. You must add the new output manually (see "xrandr --help | grep provider"), but thats it. (Tested on 12.3 with Kernel 3.11.x)
As far as I know, the DL-3000 series does *not* work.
The LT1421 seems to be using one of the old chipsets, so it *should* work.
Regards,
Stefan
[1]: http://www.displaylink.com/technology/displaylink_hardware.php [2]: http://www.displaylink.com/technology/dl-3000/
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