On Sunday 21 Aug 2005 20:04, Adrian von Bidder wrote: > Yo! > > Environment: Matrox G550 on xorg from unstable on a (mostly) sarge > installation. 2 analog screens. Xinerama is used, bare xorg - no mga_hal > etc.; kernel linux-image-2.6.12 or kernel-image-2.6.8 doesn't matter; > 686-smp in both cases. DRM loads fine. > > Symptom: booting, one display is text console. When X is started, it > starts fine on that display, but there's no signal on the other display - > thus it won't even come out of power save mode. > > Starting X once with a single head xorg.conf solves the problem: The > 'single head' X delivers identical signal to both outputs of the graphics > card (even to the point where killing X or switcing back to text mode shows > the text mode on both screens). Changing xorg.conf back to the > dualhead/xinerama one, it starts fine on both displays. > > [ please cc: me on replies ] > > Detailed information: > > xorg.conf (excerpts): > > ======= > Section "ServerFlags" > Option "Xinerama" "on" > EndSection > > Section "Device" > Identifier "Matrox Graphics, Inc. MGA G550 AGP, Screen 0" > Driver "mga" > BusID "PCI:1:0:0" > Screen 0 > EndSection > > Section "Device" > Identifier "Matrox Graphics, Inc. MGA G550 AGP, Screen 1" > Driver "mga" > BusID "PCI:1:0:0" > Screen 1 > EndSection > > Section "Screen" > Identifier "Screen 0" > Device "Matrox Graphics, Inc. MGA G550 AGP, Screen 0" > Monitor "Hitachi CM772" > ... > EndSection > > Section "Screen" > Identifier "Screen 1" > Device "Matrox Graphics, Inc. MGA G550 AGP, Screen 1" > Monitor "BenQ 7638" > ... > EndSection > > Section "ServerLayout" > Identifier "Default Layout" > Screen "Screen 0" 0 0 > Screen "Screen 1" RightOf "Screen 0" > InputDevice "Generic Keyboard" > InputDevice "Configured Mouse" > EndSection > > [Monitor sections are quite standard, but I'm specifying HorizSync and > VertRefresh manually, as X seems to confuse the values if I try letting it > detect them automatically.] > ======= > > And starting X quickly with the one below is a workaround, as described > above. > > ======= > Section "Device" > Identifier "Matrox Graphics, Inc. MGA G550 AGP, Screen 1" > Driver "mga" > EndSection > > Section "ServerLayout" > Identifier "Default Layout" > Screen "Screen 0" > InputDevice "Generic Keyboard" > InputDevice "Configured Mouse" > EndSection > > [Screen & Monitor as above] > ======= > > Anybody had similar experiences, or has a G550 and does something slightly > different? > > thanks in advance. > -- vbi
I believe your problem to lie around the fact that both BusIDs are the same. If you lspci, you should see the second one has a different last digit: e.g. PCI:1:0:1 Cheers, -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
