Additional tests:

udlfb is blacklisted by default in trusty:
 grep udl /etc/modprobe.d/blacklist-framebuffer.conf 
blacklist udlfb

Generic modesetting driver is also present by default:
dpkg -l | grep "^ii *xserver-xorg-video-modesetting"
ii  xserver-xorg-video-modesetting              0.8.1-1build1                   
       amd64        X.Org X server -- Generic modesetting driver

After reading the Kernel/MainlineBuilds page, I tried a mainline kernel
https://wiki.ubuntu.com/Kernel/MainlineBuilds

I didn't found my kernel version on the mapping page (Trusty not indicated)
http://kernel.ubuntu.com/~kernel-ppa/info/kernel-version-map.html

uname -a
Linux g75vw 3.13.0-19-generic #39-Ubuntu SMP Fri Mar 21 14:18:44 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux

So I tried the kernel v3.13.7 as it seems the last of my version 
(configs-based-on-Ubuntu-3.13.0-19.40.patch)
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.7-trusty/ 
linux-headers-3.13.7-031307_3.13.7-031307.201403240156_all.deb
linux-headers-3.13.7-031307-generic_3.13.7-031307.201403240156_amd64.deb
linux-image-3.13.7-031307-generic_3.13.7-031307.201403240156_amd64.deb
(no linux-image-extra deb as it is mainline?)

After a dpkg -i *.deb and a reboot, I still don't get any progress...
(manually modprobe udl, and trying to unplug/plug again the monitor)

uname -a
Linux g75vw 3.13.7-031307-generic #201403240156 SMP Mon Mar 24 05:57:41 UTC 
2014 x86_64 x86_64 x86_64 GNU/Linux

Mar 24 11:39:11 g75vw kernel: [   80.303538] usbcore: registered new interface 
driver udl
Mar 24 11:39:39 g75vw kernel: [  107.757943] usb 4-3: USB disconnect, device 
number 3
Mar 24 11:39:48 g75vw kernel: [  116.561490] usb 4-3: new SuperSpeed USB device 
number 6 using xhci_hcd
Mar 24 11:39:48 g75vw mtp-probe: checking bus 4, device 6: 
"/sys/devices/pci0000:00/0000:00:14.0/usb4/4-3"
Mar 24 11:39:48 g75vw mtp-probe: bus: 4, device: 6 was not an MTP device
Mar 24 11:39:48 g75vw kernel: [  116.577674] usb 4-3: New USB device found, 
idVendor=17e9, idProduct=ff03
Mar 24 11:39:48 g75vw kernel: [  116.577680] usb 4-3: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
Mar 24 11:39:48 g75vw kernel: [  116.577683] usb 4-3: Product: MB168B+
Mar 24 11:39:48 g75vw kernel: [  116.577685] usb 4-3: Manufacturer: DisplayLink
Mar 24 11:39:48 g75vw kernel: [  116.577688] usb 4-3: SerialNumber: DALMTF151588


** Tags added: apport-collected reproducible single-occurrence

** Description changed:

  Hi,
  
  I'm trying to use an USB3 external monitor Asus MB168B+ with displaylink
  technology.
  
  The monitor is detected by the kernel upon plug, but no driver seems to
  be loaded...
  
  My notebook is an ASUS G75VW
  sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
  G75VW.223
  01/07/2013
  
  lsb_release -rd
  Description:  Ubuntu Trusty Tahr (development branch)
  Release:      14.04
  
  apt-cache policy xorg
  xorg:
    Installé : 1:7.7+1ubuntu8
    Candidat : 1:7.7+1ubuntu8
   Table de version :
   *** 1:7.7+1ubuntu8 0
          500 http://ubuntu-archive.mirrors.free.org/ubuntu/ trusty/main amd64 
Packages
          100 /var/lib/dpkg/status
  
  uname -a
  Linux g75vw 3.13.0-18-generic #38-Ubuntu SMP Mon Mar 17 21:40:06 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux
  
  Mar 23 16:15:31 g75vw kernel: [13264.796466] usb 4-3: new SuperSpeed USB 
device number 6 using xhci_hcd
  Mar 23 16:15:31 g75vw kernel: [13264.812773] usb 4-3: New USB device found, 
idVendor=17e9, idProduct=ff03
  Mar 23 16:15:31 g75vw kernel: [13264.812780] usb 4-3: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
  Mar 23 16:15:31 g75vw kernel: [13264.812784] usb 4-3: Product: MB168B+
  Mar 23 16:15:31 g75vw kernel: [13264.812787] usb 4-3: Manufacturer: 
DisplayLink
  Mar 23 16:15:31 g75vw kernel: [13264.812790] usb 4-3: SerialNumber: 
DALMTF151588
  Mar 23 16:15:31 g75vw mtp-probe: checking bus 4, device 6: 
"/sys/devices/pci0000:00/0000:00:14.0/usb4/4-3"
  Mar 23 16:15:31 g75vw mtp-probe: bus: 4, device: 6 was not an MTP device
  
  xrandr
  Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
  LVDS-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y 
axis) 382mm x 215mm
     1920x1080 60.0*+ 60.0 40.0
  <...>
  VGA-1 disconnected (normal left inverted right x axis y axis)
  HDMI-1 disconnected (normal left inverted right x axis y axis)
  DP-1 disconnected (normal left inverted right x axis y axis)
  
  xrandr --listproviders
  Providers: number : 1
  Provider 0: id: 0x65 cap: 0x1, Source Output crtcs: 2 outputs: 4 associated 
providers: 0 name:nouveau
  
  ls -l /dev/fb*
  crw-rw---- 1 root video 29, 0 mars 23 12:34 /dev/fb0
  
  regards
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
  Uname: Linux 3.13.0-18-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: GNOME
  Date: Sun Mar 23 16:48:28 2014
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   NVIDIA Corporation GF114M [GeForce GTX 670M] [10de:1213] (rev a1) (prog-if 
00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:2119]
  InstallationDate: Installed on 2014-03-21 (1 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140226)
  MachineType: ASUSTeK COMPUTER INC. G75VW
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic.efi.signed 
root=UUID=696d83ec-abd2-47e6-bf30-ce6bd4eb1514 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/07/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: G75VW.223
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: G75VW
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrG75VW.223:bd01/07/2013:svnASUSTeKCOMPUTERINC.:pnG75VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG75VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: G75VW
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-1ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.10-1ubuntu2
+ --- 
+ ApportVersion: 2.13.3-0ubuntu1
+ Architecture: amd64
+ CurrentDesktop: GNOME
+ DistUpgraded: Fresh install
+ DistroCodename: trusty
+ DistroRelease: Ubuntu 14.04
+ DistroVariant: ubuntu
+ GraphicsCard:
+  NVIDIA Corporation GF114M [GeForce GTX 670M] [10de:1213] (rev a1) (prog-if 
00 [VGA controller])
+    Subsystem: ASUSTeK Computer Inc. Device [1043:2119]
+ InstallationDate: Installed on 2014-03-21 (2 days ago)
+ InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140226)
+ MachineType: ASUSTeK COMPUTER INC. G75VW
+ Package: xorg 1:7.7+1ubuntu8
+ PackageArchitecture: amd64
+ ProcEnviron:
+  TERM=xterm
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=fr_FR.UTF-8
+  SHELL=/bin/bash
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.7-031307-generic 
root=UUID=696d83ec-abd2-47e6-bf30-ce6bd4eb1514 ro quiet splash vt.handoff=7
+ Tags:  trusty ubuntu single-occurrence reproducible
+ Uname: Linux 3.13.7-031307-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo users
+ _MarkForUpload: True
+ dmi.bios.date: 01/07/2013
+ dmi.bios.vendor: American Megatrends Inc.
+ dmi.bios.version: G75VW.223
+ dmi.board.asset.tag: ATN12345678901234567
+ dmi.board.name: G75VW
+ dmi.board.vendor: ASUSTeK COMPUTER INC.
+ dmi.board.version: 1.0
+ dmi.chassis.asset.tag: No Asset Tag
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: ASUSTeK COMPUTER INC.
+ dmi.chassis.version: 1.0
+ dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrG75VW.223:bd01/07/2013:svnASUSTeKCOMPUTERINC.:pnG75VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG75VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
+ dmi.product.name: G75VW
+ dmi.product.version: 1.0
+ dmi.sys.vendor: ASUSTeK COMPUTER INC.
+ version.compiz: compiz N/A
+ version.ia32-libs: ia32-libs N/A
+ version.libdrm2: libdrm2 2.4.52-1
+ version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-1ubuntu1
+ version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
+ version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-1ubuntu1
+ version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
+ version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
+ version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
+ version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
+ version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.10-1ubuntu2
+ xserver.bootTime: Mon Mar 24 11:38:00 2014
+ xserver.configfile: default
+ xserver.errors:
+  Failed to load module "nvidia" (module does not exist, 0)
+  Failed to load module "nvidia" (module does not exist, 0)
+ xserver.logfile: /var/log/Xorg.0.log
+ xserver.version: 2:1.15.0-1ubuntu7
+ xserver.video_driver: nouveau

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1296315

Title:
  Displaylink and ASUS MB168B+ not working

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1296315/+subscriptions

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