Hi Todd, Thanks for the good description. Yep, the current code has a limitation of only allocating the virtual framebuffer at one point - in probe() - based on the EDID at that time. The workaround from an end-user perspective is if you need to switch monitors, also unplug/plug the DisplayLink device. Just to understand priorities -- what's the scenario where you're connecting and disconnecting monitors (while keeping the DisplayLink device connected)? Thanks, Bernie <div class="gmail_quote"> On Tue, Jan 19, 2010 at 7:11 AM, Todd Grayson <<a href="mailto:toddgrayson@yahoo.com">toddgrayson@yahoo.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> When using the latest <a href="http://git.plugable.com" target="_blank">git.plugable.com</a> master branch as well as the displaylinkfb module I am getting issues with the framebuffer device size not being large enough to set different modes even though they are supported by the monitor. My understanding is that udlfb uses EDID to find the monitor's preferred mode. As a result it looks like when creating the framebuffer initially it is setting the memory size based on the returned resolution not allowing any resolution larger than that returned resolution. When trying to set the framebuffer size to a larger resolution than the one initially created using the fbset utility there is a returned error of: ioctl FBIOPUT_VSCREENINFO: Invalid argument Setting the resolution to a smaller size works fine. Any help would be appreciated. <div class="hm"> __________________________________________________________________ Yahoo! Canada Toolbar: Search from anywhere on the web, and bookmark your favourite sites. Download it now <a href="http://ca.toolbar.yahoo.com" target="_blank">http://ca.toolbar.yahoo.com</a>. _______________________________________________ Libdlo mailing list <a href="mailto:Libdlo@lists.freedesktop.org">Libdlo@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/libdlo" target="_blank">http://lists.freedesktop.org/mailman/listinfo/libdlo</a> </div></blockquote></div> -- Bernie Thompson Plugable Technologies Bellevue, WA USA <a href="http://plugable.com/">http://plugable.com/</a> +1 425 533 5219 skype: bernie.thompson