[Bug 27611] New: Unable to display concurrently to both the local display and to video-out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27611

           Summary: Unable to display concurrently to both the local
                    display and to video-out
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: g-freeman at adfa.edu.au
         QAContact: xorg-team at lists.x.org


Created an attachment (id=34949)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=34949)
The Xorg log file when the machine is turned on and the external video is
already connected

My new Toshiba Satellite L500D has ATI 9713 graphics chip and runs with
1366x786 native resolution. When I connect an external monitor with 4x3 aspect
ratio to the external video connection and turn the computer on, the graphics
displays only on the external video (at 1024x768 resolution) and the local
screen displays every second pixel on/off pattern. The response to pressing
FN/F5 is to alternate between the external video displaying the proper contents
and no video signal, and in either case, the local display contains nothing
sensible.

If I instead turn on the computer and subsequently connect the external video,
the local screen displays the proper content (1366x768) with no signal going to
the external display. Repeatedly clicking FN/F5 cycles through three states:
local display at 1366x768, local display at 1028x768, external display at
1028x768. At no time am I able to get concurrent display to both the local
screen and the external monitor.

I am using Gnome/Linux. System/Preferences/Display has an option "Mirror
screens", but nothing that I do with this allows for concurrent display to both
screens.

I do not have an xorg.conf file; it was not generated when I loaded Linux, and
under normal use it has not been needed.

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