On 09.03.2012 19:04, Oleksij Rempel (fishor) wrote: > Hallo all, > > i get this error if try to use external monitor with my laptop (Asus > zenbook ux31e). Usually it is configured automatically or with gui. But > not it is not working. I got this regression for some weeks after some > of updates. I assume it was one of xorg/intel driver updates. I use > ubuntu 12.04, > > I tested: > - kernel versions 3.2.0-12-generic, 3.2.0-17-generic and vanilla git > 3.3.0-rc6-00164-g4f262ac. > - X.Org X Server 1.12.0 > - xserver-xorg-video-intel i tested default precise version > 2:2.17.0-1ubuntu4 and xorg-edgers version > 2:2.18.0+git20120308.aa7a2bd7-0ubuntu0sarvatt > > without any luck :( > > suddenly i can't get old working version to "bisect" it. > > if i run this command: > xrandr --output eDP1 --auto --output VGA1 --auto --same-as eDP1 > i get: > xrandr: cannot find crtc for output eDP1 > > here is output of xrandr: > xrandr > Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 8192 x 8192 > eDP1 connected (normal left inverted right x axis y axis) > 1600x900 60.0 + > 1440x900 59.9 > 1360x768 59.8 60.0 > 1152x864 60.0 > 1024x768 60.0 > 800x600 60.3 56.2 > 640x480 59.9 > VGA1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) > 338mm x 270mm > 1280x1024 60.0*+ 75.0 > 1280x960 60.0 > 1152x864 75.0 > 1024x768 75.1 70.1 60.0 > 832x624 74.6 > 800x600 72.2 75.0 60.3 56.2 > 640x480 72.8 75.0 66.7 60.0 > 720x400 70.1 > HDMI1 disconnected (normal left inverted right x axis y axis) > DP1 disconnected (normal left inverted right x axis y axis) more info: interesting part of dmesg: [ 681.003441] [drm:pch_irq_handler] *ERROR* PCH poison interrupt [ 764.024988] [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC:5] [ 1120.654342] [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC:5] part of xorg: [ 1120.426] (II) intel(0): Allocated new frame buffer 1600x1024 stride 6656, tiled [ 1120.493] (EE) intel(0): failed to set mode: Invalid argument [ 1120.603] (II) intel(0): Allocated new frame buffer 1280x1024 stride 5120, tiled
