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* [Bug 15675] New: Randr12: works from command-line but not in xorg.conf
@ 2008-04-23 15:17 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-15675-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 9+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2008-04-23 15:17 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW

http://bugs.freedesktop.org/show_bug.cgi?id=15675

           Summary: Randr12: works from command-line but not in xorg.conf
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: amcnabb-2BOxfIlzoBpAfugRpC6u6w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


I have two machines with different hardware that are using nouveau with
Randr12.  One of them works fine.  The other one is behaving oddly.  If I set
"Virtual 3200 1200" in the xorg.conf and start up X, only the DVI monitor
displays anything.  The VGA is blank.  If I run `xrandr --output VGA-0
--right-of DVI-D-0`, then the VGA screen lights up and everything is happy.

However, if I try to tell xorg.conf to put VGA-0 right of DVI-D-0 (which is
what I successfully do on the other computer), then the VGA monitor stays
blank, even though X apparently thinks it is using two monitors.  Here's what's
at the bottom of xorg.conf:

Section "Monitor"
    Identifier "DVI-D-0"
EndSection 

Section "Monitor"
    Identifier "VGA-0"
    Option "RightOf" "DVI-D-0"
EndSection

When I use this configuration, switching which display is left and which is
right doesn't help.  If I do `xrandr --output VGA-0 --left-of DVI-D-0`, then
the DVI gets the other half of the virtual screen and whatever windows should
have been displayed on the VGA.  However, the VGA is still blank.

At this point, if I do `xrandr --output VGA-0 --same-as DVI-D-0`, then suddenly
the VGA lights up and displays correctly.  I can now put VGA-0 to the right of
or left of DVI-D-0; all of the xrandr commands work perfectly.

I'm using the latest version of nouveau from git.  The machine is running
Fedora Rawhide.  In case it helps, here's the output from `lspci -v` about the
video card:

05:00.0 VGA compatible controller: nVidia Corporation NV44A [GeForce 6200] (rev
a1) (prog-if 00 [VGA controller])
        Subsystem: Unknown device 196e:02f0
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
        Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
        Memory at d0000000 (32-bit, prefetchable) [size=256M]
        Memory at fc000000 (32-bit, non-prefetchable) [size=16M]
        Expansion ROM at feae0000 [disabled] [size=128K]
        Capabilities: [60] Power Management version 2
        Capabilities: [44] AGP version 3.0
        Kernel driver in use: nvidia
        Kernel modules: nvidia, nvidiafb

I hope this is helpful.


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^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2010-07-23 23:28 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-04-23 15:17 [Bug 15675] New: Randr12: works from command-line but not in xorg.conf bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
     [not found] ` <bug-15675-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2008-04-23 15:29   ` [Bug 15675] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2008-04-23 16:49   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2008-04-23 17:46   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2008-04-23 17:49   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2008-04-23 17:50   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-01-14  1:02   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-01-14  1:59   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-07-23 23:28   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

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