[Bug 2444] New: Switch from laptop LCD to monitor fails

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https://bugs.freedesktop.org/show_bug.cgi?id=2444          
     
           Summary: Switch from laptop LCD to monitor fails
           Product: xorg
           Version: 6.8.1
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Driver/i810
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: dmkaplan at ucdavis.edu


Fn-F8 switches from the laptop LCD to an external monitor on my computer (Dell
Inspiron 1150).  When I used Fedora Core 2 (xorg-x11-6.7.0-11.i386.rpm), this
worked reasonably well - it would switch, but there would be strange lines at 
the top of the screen, but ctrl-alt-backspace fixed things nicely.  In Fedora
Core 3, this fails completely.  It tries to start up the monitor (i.e. the led
on the monitor goes green), but then it fails after a bit.  

Switching does work, however, from a virtual terminal.  And I can start the
machine and immediately switch to the external monitor during grub and it will
boot fine in the external monitor, but then I cannot switch back to the LCD.

Fedora Core 3 uses xorg-x11-6.8.1-12.FC3.21.

I have also found a userspace program that can turn the external monitor on and
off - perhaps this will be useful in fixing the problem.  The program is called
i810switch (http://vorlon.cwru.edu/~ames/i810switch/).  RPMs for this program
have been accepted into Fedora Extras (in case any developer uses that).          
     
     
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