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My issues is, after adding a 3rd monitor to Ubuntu 14.04, the mouse
flickers (or blinks) when the cursor is on monitors one or two, but not
3.
Monitor 1: 1440 x 900 - Laptop's Native Monitor
Monitor 2: 1920 x 1080 - Laptop's HDMI Port's External Monitor
Monitor 3: 1024 x 768 - SIIG USB 2.0 to VGA Pro Monitor
Here's the video card that feeds my laptop's native monitor, monitor 2
(hdmi).
lspci | grep 'VGA\|Display'
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
The 3rd Monitor is powered through a Display Link certified SIIG USB 2.0
to VGA Pro adapter (A2H1320X1374 - not sure what this number, but it is
a sticker on back of the device):
lsusb -tv
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M
|__ Port 6: Dev 2, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 6: Dev 2, If 1, Class=Video, Driver=uvcvideo, 480M
dmesg
[ 1.688343] usb 2-1: New USB device found, idVendor=17e9, idProduct=02ee
[ 1.688348] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.688351] usb 2-1: Product: VGA Display Adapter
[ 1.688353] usb 2-1: Manufacturer: DisplayLink
[ 1.688356] usb 2-1: SerialNumber: 119785
Additionally, unity-control-center crashes sometimes after I "Restore
previous settings", after selecting a resolution too high. This freezed
my laptop, requiring a hard reboot.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.1-0ubuntu5
ProcVersionSignature: Ubuntu 3.13.0-8.27-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.13.2-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Feb 9 18:43:13 2014
InstallationDate: Installed on 2014-02-02 (7 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140202)
SourcePackage: unity-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg-server
Importance: Undecided
Status: New
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug needs-apport-collect trusty
--
Mouse Flickering after adding 3rd Monitor
https://bugs.launchpad.net/bugs/1278223
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