<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">Hi List,</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">I am trying to enable dual screen display on Fedora 12 (kernel – 2.6.32.9-67). I have installed the displaylink-mod and xf86-video-displaylink packages on my system and am editing my xorg.conf file. The displaylink screen turns green on connecting it through USB.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">In the device section of the displaylink device, if I enable the “/dev/fb1” option as shown below, I get a black screen. The default screen shows the display normally.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">Section "Device"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Identifier "DisplayLinkDevice"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Driver "displaylink"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Option "fbdev" "/dev/fb1"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> EndSection</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">If I comment this option as shown below, the displaylink screen remains green and the default screen shows the normal display.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">Section "Device"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Identifier "DisplayLinkDevice"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Driver "displaylink"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> #Option "fbdev" "/dev/fb1"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">> EndSection</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">On checking the Xorg log file, I found out that the displaylink_drv.so module is unloaded, which might be the reason for the displaylink screen not showing proper display.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">The remaining relevant parts of my xorg.conf are as follows:</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">Section "ServerLayout"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Screen 0 "DefaultScreen" 0 0</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Screen 1 "DisplayLinkScreen" LeftOf "DefaultScreen"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Option "Xinerama" "off"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> EndSection</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">Section "Device"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Driver "nouveau" #I have Nvidia Geforce Graphics card.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> Option "fbdev" "/dev/fb1"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> BusID "PCI:1:0:0"</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoPlainText"><font size="3" face="Consolas">> EndSection</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">I have also tried setting the DisplayLinkScreen as Screen 0 and the default screen as screen 1, with no success.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">I would appreciate any thoughts provided on this. If there is more information required about my system configuration, I would be glad to provide.</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri"> </font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">Regards,</font></p> <p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><font size="3" face="Calibri">Akshay Sathe.</font></p>