ubuntu-x-swat team mailing list archive

[Stu Anderson <661026@xxxxxxxxxxxxxxxxxx>]

I have the same problem as mudhead.  I'm running Ubuntu 10.10 AMD64 on a
Dell T3500 workstation w/ ATI v5800 and 3 screens (1 rotated, 2
horizontal).  I can use ATI Catalyst to rotate the display and work
happily.  I just have to un-rotate before shutdown so I can reboot
later.

The open source driver has rotation problems, as well.  It appears to to
accept the command to rotate 1 of 2 displays (demanding a restart) but
then quietly ignores the rotation request.

I wonder if the root issue is memory management of the virtual area
implied by the bounding rectangle for the whole set of displays whose
area is now greater than the sum of the display areas.  I note that the
extra virtual space below the horizontal displays is treated differently
in X11 than in Win7 (which works fine w/ my setup, sad to say).  Win7
clips space at the bottom of the display.  X11 lets stuff hang down into
it.

I have time, motivation and some skills to pursue these problems.  How
do I sign up?

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https://bugs.launchpad.net/bugs/661026

Title:
  Xorg crashes when rotate second display ATI 5850