<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - displayport link training fails on certain panels (channel equalization fails)" href="https://bugs.freedesktop.org/show_bug.cgi?id=27314#c70">Comment # 70</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - displayport link training fails on certain panels (channel equalization fails)" href="https://bugs.freedesktop.org/show_bug.cgi?id=27314">bug 27314</a> from <a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> Alex Deucher</a> <pre>(In reply to <a href="show_bug.cgi?id=27314#c69">comment #69</a>) > I have an iMac 11,1 and I cannot get X to work. Documentation > is scarce, so I don't know how to discover what is the problem. > When I start X, it doesn't show any errors, but I get a blank > screen. Same for when I insert the radeon module with kms on. > I suspect that the EDID is not being handled correctly. Does > any of you know how I can create an external EDID for a 2560x1440 > monitor? My video card is an ATI Radeon HD 4850, by the way. If xrandr --verbose shows the appropriate modes for your display, there is no problem with the EDID. You might try a 3.11 kernel.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>