On Wed, Jun 09, 2010 at 06:59:56PM +0300, Pasi Kärkkäinen wrote: > On Thu, Jun 03, 2010 at 07:07:06PM +0300, Pasi Kärkkäinen wrote: > > On Thu, Jun 03, 2010 at 11:33:03AM -0400, Alex Deucher wrote: > > > On Thu, Jun 3, 2010 at 11:30 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote: > > > > On Thu, Jun 03, 2010 at 11:00:44AM -0400, Alex Deucher wrote: > > > >> >> >> > > > >> >> > > > > >> >> > I just tried with Ubuntu 10.04 (kernel 2.6.32) and it fails in a similar way than F13 (kernel 2.6.33) does. > > > >> >> > > > > >> >> > To summarize: > > > >> >> > - Booting the laptop in the dock, both the internal laptop display and the external DVI display connected, > > > >> >> > shows the beginning of the boot process on the internal display and then both displays go blank. > > > >> >> > > > > >> >> > - Booting the laptop in the dock, internal display in use and the external display powered *off*, > > > >> >> > shows the kernel boot process on the internal display but when GDM should show up the internal display goes blank. > > > >> >> > Nothing on the external display either (if I power it on). > > > >> >> > > > > >> >> > - Booting the laptop without the dock (and without the external display) works OK, I can see kernel boot process and GDM/X just OK. > > > >> >> > > > > >> >> > - Booting the laptop without the dock, and attaching it to the dock after X is running allows me to use (=enable) the external display once. > > > >> >> > But Gnome Monitor application shows the external display twice (as two devices).. > > > >> >> > > > > >> >> > > > >> >> Does it work if you boot with the laptop in the dock and then after it > > > >> >> boots attach the external monitor and enable it? Do things work any > > > >> >> better if you use xrandr rather than the gnome displays tool? > > > >> >> > > > >> > > > > >> > I just shutdown the laptop, connected it to the dock, > > > >> > disconnected the DVI cable from the dock, and then powered on the laptop. > > > >> > Now the boot process was OK using the laptop internal display.. gdm and X > > > >> > showed up on the internal display OK. > > > >> > > > > >> > When I was in X I connected the DVI cable to the dock, and went to gnome > > > >> > Monitors application. Same thing - the external display is shown as > > > >> > two separate devices. Although they don't work - no matter which one > > > >> > of the external displays I choose I don't get picture on the external DVI display. > > > >> > > > > >> > I also tried with xrandr: > > > >> > > > > >> > $ xrandr > > > >> > Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192 > > > >> > VGA-0 disconnected (normal left inverted right x axis y axis) > > > >> > LVDS connected 1680x1050+0+0 (normal left inverted right x axis y axis) 0mm x 0mm > > > >> > 1680x1050 60.0*+ > > > >> > 1400x1050 60.0 60.0 > > > >> > 1280x1024 59.9 60.0 > > > >> > 1440x900 59.9 > > > >> > 1280x960 60.0 59.9 > > > >> > 1280x854 59.9 > > > >> > 1280x800 59.8 > > > >> > 1280x720 59.9 > > > >> > 1152x768 59.8 > > > >> > 1024x768 60.0 59.9 > > > >> > 800x600 60.3 59.9 56.2 > > > >> > 848x480 59.7 > > > >> > 720x480 59.7 > > > >> > 640x480 59.9 59.4 > > > >> > DVI-0 connected (normal left inverted right x axis y axis) > > > >> > 1920x1080 59.9 + > > > >> > 1600x1200 60.0 > > > >> > 1680x1050 60.0 > > > >> > 1280x1024 60.0 > > > >> > 1440x900 59.9 > > > >> > 1280x960 60.0 > > > >> > 1280x800 59.8 > > > >> > 1024x768 60.0 > > > >> > 800x600 60.3 56.2 > > > >> > 640x480 60.0 > > > >> > HDMI-0 connected (normal left inverted right x axis y axis) > > > >> > 1920x1080 59.9 + > > > >> > 1600x1200 60.0 > > > >> > 1680x1050 60.0 > > > >> > 1280x1024 60.0 > > > >> > 1440x900 59.9 > > > >> > 1280x960 60.0 > > > >> > 1280x800 59.8 > > > >> > 1024x768 60.0 > > > >> > 800x600 60.3 56.2 > > > >> > 640x480 60.0 > > > >> > > > > >> > $ xrandr --output DVI-0 --right-of LVDS > > > >> > > > > >> > Didn't make a difference.. no picture on the external DVI display. > > > >> > > > > >> > I wonder if that HDMI-0 is the key to the problem.. I don't have anything connected > > > >> > to the HDMI connector on the laptop. There's no HDMI connector on the dock, it's only in the laptop. > > > >> > > > >> Indeed that is the problem. On your system the HDMI and DVI ports > > > >> share the same encoder and DDC line so they will both come up as > > > >> connected since the line is shared. The driver used to check the edid > > > >> when the lines where shared and select HDMI or DVI based on the EDID, > > > >> but perhaps that got broken at some point. > > > >> > > > > > > > > Makes sense. Does some kernel option/parameter affect that? > > > > > > No. I'll check the code and see if I can figure out what's going on. > > > > > > > Ok, thanks! > > > > Hello, > > I'll be near the dock tomorrow.. So if you have a chance of looking at this, and want me to test something, > I could do it on thursday/friday. > I just tried the latest Fedora 13 kernel (2.6.33.5-124.fc13.x86_64) and the latest Fedora development (rawhide 2.6.34-43.fc14.x86_64) kernel, but the behaviour was the same. Connecting display to the DVI connector makes the HDMI connector also show the same display, breaking things.. -- Pasi _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel