<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#c71">Comment # 71</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:rafael.espindola@gmail.com" title="Rafael Ávila de Espíndola <rafael.espindola@gmail.com>"> Rafael Ávila de Espíndola</a> <pre>(In reply to <a href="show_bug.cgi?id=27314#c69">comment #69</a>) > Hi, > > Has anyone been able to get KMS working on a 27" iMac? > > 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. > > I'd appreciate any help. I'm using linux 3.10, and can post dmesg, > Xorg.0.log, etc. I'd also happily live with a non kms setup, but > recent X seems to require kms... > > Thank you, I works for me on the same hardware if I bios boot it. With an EFI boot I get a black screen like yours.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>