<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - [Broadwell] VGA projection system not detected as of Linux 4.7 (but fine before then)" href="https://bugs.freedesktop.org/show_bug.cgi?id=97558#c18">Comment # 18</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - [Broadwell] VGA projection system not detected as of Linux 4.7 (but fine before then)" href="https://bugs.freedesktop.org/show_bug.cgi?id=97558">bug 97558</a> from <a class="email" href="mailto:c86rc9-9snbcbobzdzipkvbcg_freedesktop@bousse.fr" title="Gwendal <c86rc9-9snbcbobzdzipkvbcg_freedesktop@bousse.fr>"> Gwendal</a> <pre>(In reply to Gwendal from <a href="show_bug.cgi?id=97558#c16">comment #16</a>) > (In reply to Gwendal from <a href="show_bug.cgi?id=97558#c15">comment #15</a>) > > Hello, > > > > I have the same problem (I think): beamers were working perfectly fine until > > a system update weeks ago. > > > > My configuration: > > - Fedora 25 beta (but the problem was there with F24 as well) > > - 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT > > Integrated Graphics Controller (rev 0b) > > - linux 4.8.4-301.fc25.x86_64 > > > > Regular Iijama monitors work fine in VGA (both the one I have at home and > > the one from my office, which is a Prolite XB2485WSU). > > > > However beamers (rather old, which is typical in universities) do not work > > in VGA: nothing detected with xrandr or anything else. I have this situation > > with two different beamers. > > > > If I can provide more information, please do not hesitate to ask! > > > > Thanks! Regards > > I forgot to mention my CPU name: > > - Intel(R) Core(TM) i5-4210U CPU @ 1.70GHz > > Also, a recent possibly related bug: > <a href="https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1619677">https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1619677</a> OK, I've just tested on the same system with an older kernel 4.6.0, and it works again using VGA on the same old beamer that didn't work in 4.8.4. On Fedora 25 beta I used koji to install 4.6: $ wget <a href="https://kojipkgs.fedoraproject.org//packages/kernel/4.6.0/1.fc25/x86_64/kernel-4.6.0-1.fc25.x86_64.rpm">https://kojipkgs.fedoraproject.org//packages/kernel/4.6.0/1.fc25/x86_64/kernel-4.6.0-1.fc25.x86_64.rpm</a> <a href="https://kojipkgs.fedoraproject.org//packages/kernel/4.6.0/1.fc25/x86_64/kernel-core-4.6.0-1.fc25.x86_64.rpm">https://kojipkgs.fedoraproject.org//packages/kernel/4.6.0/1.fc25/x86_64/kernel-core-4.6.0-1.fc25.x86_64.rpm</a> <a href="https://kojipkgs.fedoraproject.org//packages/kernel/4.6.0/1.fc25/x86_64/kernel-modules-4.6.0-1.fc25.x86_64.rpm">https://kojipkgs.fedoraproject.org//packages/kernel/4.6.0/1.fc25/x86_64/kernel-modules-4.6.0-1.fc25.x86_64.rpm</a> $ sudo rpm -ivh --oldpackage ./kernel-4.6.0-1.fc25.x86_64.rpm ./kernel-core-4.6.0-1.fc25.x86_64.rpm ./kernel-modules-4.6.0-1.fc25.x86_64.rpm</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>