[Bug 16383] New: Problem with large Virtual in Screen section

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=16383

           Summary: Problem with large Virtual in Screen section
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: l at lwithers.me.uk
         QAContact: xorg-team at lists.x.org


Created an attachment (id=17154)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=17154)
xorg.conf from one-Screen configuration (corruption)

I have two R370 cards, each with two 1280x1024 monitors on them. I am
attempting to set up a quad-head configuration with the version of the driver
at git commit b416e97a1f16ef700ba1aaca317dee82b7a3cf64 .

I have successfully tested a dual-head configuration and a quad-head
configuration with two separate "Screen" sections. However, this does not
integrate well with my window manager (KDE) and I have been trying to get all
the monitors as viewports on a single "Screen" section.

When I change the Virtual size from 2560x1024 to 5120x1024, the output on the
screen becomes massively corrupted.

I also cannot move the cursor onto the third or fourth monitor (those on the
second device), although the modes are initialised; I suspect this is because I
either haven't understood the configuration file properly or because I'm trying
to do something that can't be done. However, the corruption is the bug that I'm
reporting.

xorg.conf and associated log in one-Screen and two-Screen configurations to be
attached.


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