On Wed, Jun 09, 2010 at 06:59:56PM +0300, Pasi K?rkk?inen wrote: > On Thu, Jun 03, 2010 at 07:07:06PM +0300, Pasi K?rkk?inen wrote: > > On Thu, Jun 03, 2010 at 11:33:03AM -0400, Alex Deucher wrote: > > > On Thu, Jun 3, 2010 at 11:30 AM, Pasi K?rkk?inen <pasik at iki.fi> 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
