On Tue, Jun 15, 2010 at 10:54 AM, Sebastien Luttringer <sebastien.luttrin...@smartjog.com> wrote: > Hi, > > I would report you a bug with displayport and radeon module on recent linux > kernel. When my card is plugged with displayport I have the following error in > dmesg and screen stay black. > [ 18.493734] [drm:dp_link_train] *ERROR* clock recovery reached max voltage > [ 18.493735] [drm:dp_link_train] *ERROR* clock recovery failed > [ 18.510279] [drm:dp_link_train] *ERROR* channel eq failed: 5 tries > [ 18.510280] [drm:dp_link_train] *ERROR* channel eq failed > > When i plug my screen with (dell 27" 2560*1440) a DVI cord everything is > fabulous. > > This was tested with 2.6.35-rc3, 2.6.34, 2.6.32 and all is revelent. I've also > tested with a patch from here : > http://comments.gmane.org/gmane.comp.video.dri.devel/46851 > but nothing change. > > My test was done with a debian sid/experimental disto. > # lspci|grep VGA > 01:00.0 VGA compatible controller: ATI Technologies Inc RV710 [Radeon HD 4550] > # uname -a > Linux sluttrin 2.6.35-rc3-seblu #5 SMP Mon Jun 14 15:43:18 CEST 2010 x86_64 > GNU/Linux > # dpkg -l|grep -e radeon -e mesa > (16:47)[2] > ii libdrm-radeon1 2.4.21-1 > Userspace interface to radeon-specific kerne > ii libdrm-radeon1-dbg 2.4.21-1 > Userspace interface to radeon-specific kerne > ii libgl1-mesa-dri 7.8.1-2 A > free implementation of the OpenGL API -- D > ii libgl1-mesa-glx 7.8.1-2 A > free implementation of the OpenGL API -- G > ii libglu1-mesa 7.7.1-3 The > OpenGL utility library (GLU) > ii mesa-utils 7.7.1-3 > Miscellaneous Mesa GL utilities > ii xserver-xorg-video-radeon 1:6.13.0-2 X.Org > X server -- AMD/ATI Radeon display dri > ii xserver-xorg-video-radeon-dbg 1:6.13.0-2 X.Org > X server -- AMD/ATI Radeon display dri > ii xserver-xorg-video-radeonhd 1.3.0-3 X.Org > X server -- AMD/ATI r5xx-r7xx alternat > ii xserver-xorg-video-radeonhd-dbg 1.3.0-3 X.Org > X server -- AMD/ATI r5xx-r7xx alternat > > II can provide more information on request and offer help testing patches.
Please file a bug (https://bugs.freedesktop.org product DRI, component DRM/Radeon) and attach your xorg log and dmesg. Also, does ums work any better (boot with rdeon.modeset=0)? Alex ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
