One more important comment, sorry.

https://bugs.kde.org/show_bug.cgi?id=259578 
says this is a driver issue (Xorg) and may be related to erroneous hardware 
detection.
I'm running the "intel" version of Xorg.

Relevant excerpts from /var/log/Xorg.1.log

[   172.739] 
X.Org X Server 1.10.1
Release Date: 2011-04-15
[   172.739] X Protocol Version 11, Revision 0
[   172.739] Build Operating System: Linux 2.6.24-29-server x86_64 Ubuntu
[   172.739] Current Operating System: Linux io 2.6.38-9-generic #43-Ubuntu SMP 
[   172.739] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.38-9-generic 
root=UUID=72ea6862-93b4-426a-be72-cd8d420b367c ro quiet splash vt.handoff=7
[   172.739] Build Date: 19 April 2011  03:40:45PM
[   172.739] xorg-server 2:1.10.1-1ubuntu1 (For technical support please see 
http://www.ubuntu.com/support) 
[   172.739] Current version of pixman: 0.20.2
[   172.739]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[   172.739] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   172.739] (==) Log file: "/var/log/Xorg.1.log", Time: Wed May 11 10:49:06 
2011
[   172.740] (==) Using config file: "/etc/X11/xorg.conf"
[   172.740] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[   172.740] (==) ServerLayout "X.org Configured"
[   172.740] (**) |-->Screen "Screen0" (0)
[   172.740] (**) |   |-->Monitor "Monitor0"
[   172.740] (**) |   |-->Device "Card0"
...
[   172.741] (II) "extmod" will be loaded. This was enabled by default and also 
specified in the config file.
[   172.741] (II) "dbe" will be loaded. This was enabled by default and also 
specified in the config file.
[   172.741] (II) "glx" will be loaded. This was enabled by default and also 
specified in the config file.
[   172.741] (II) "record" will be loaded. This was enabled by default and also 
specified in the config file.
[   172.741] (II) "dri" will be loaded. This was enabled by default and also 
specified in the config file.
[   172.741] (II) "dri2" will be loaded. This was enabled by default and also 
specified in the config file.
...
[   172.744] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
        i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G,
        E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G,
        965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45,
        4 Series, G45/G43, Q45/Q43, G41, B43, B43, Clarkdale, Arrandale,
        Sandybridge, Sandybridge, Sandybridge, Sandybridge, Sandybridge,
        Sandybridge, Sandybridge
[   172.744] (++) using VT number 8
[   173.067] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[   173.067] drmOpenDevice: node name is /dev/dri/card0
[   173.067] drmOpenDevice: open result is 9, (OK)
[   173.067] drmOpenByBusid: Searching for BusID pci:0000:00:02.0
[   173.067] drmOpenDevice: node name is /dev/dri/card0
[   173.067] drmOpenDevice: open result is 9, (OK)
[   173.067] drmOpenByBusid: drmOpenMinor returns 9
[   173.067] drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
[   173.067] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[   173.067] (==) intel(0): RGB weight 888
[   173.067] (==) intel(0): Default visual is TrueColor
[   173.067] (II) intel(0): Integrated Graphics Chipset: Intel(R) Q45/Q43
[   173.068] (--) intel(0): Chipset: "Q45/Q43"
[   173.068] (**) intel(0): Relaxed fencing enabled
[   173.068] (**) intel(0): Tiling enabled
[   173.068] (**) intel(0): SwapBuffers wait enabled
[   173.068] (==) intel(0): video overlay key set to 0x101fe
[   173.163] (II) intel(0): Output VGA1 using monitor section Monitor0
[   173.170] (II) intel(0): Output HDMI1 has no monitor section
[   173.170] (II) intel(0): Output DP1 has no monitor section
[   173.263] (II) intel(0): EDID for output VGA1
[   173.263] (II) intel(0): Manufacturer: HWP  Model: 2895  Serial#: 16843009
[   173.263] (II) intel(0): Year: 2010  Week: 16
[   173.263] (II) intel(0): EDID Version: 1.3
[   173.263] (II) intel(0): Analog Display Input,  Input Voltage Level: 
0.700/0.700 V
[   173.263] (II) intel(0): Sync:  Separate
[   173.263] (II) intel(0): Max Image Size [cm]: horiz.: 60  vert.: 34
[   173.263] (II) intel(0): Gamma: 2.20
[   173.263] (II) intel(0): DPMS capabilities: Off; RGB/Color Display
[   173.263] (II) intel(0): Default color space is primary color space
[   173.263] (II) intel(0): First detailed timing is preferred mode
[   173.263] (II) intel(0): redX: 0.661 redY: 0.318   greenX: 0.207 greenY: 
0.668
[   173.263] (II) intel(0): blueX: 0.144 blueY: 0.068   whiteX: 0.313 whiteY: 0.
...

[   173.278] (II) UXA(0): Driver registered support for the following 
operations:
[   173.278] (II)         solid
[   173.278] (II)         copy
[   173.278] (II)         composite (RENDER acceleration)
[   173.278] (II)         put_image
[   173.278] (II)         get_image
[   173.278] (==) intel(0): Backing store disabled
[   173.278] (==) intel(0): Silken mouse enabled
[   173.278] (II) intel(0): Initializing HW Cursor
[   173.320] (II) intel(0): RandR 1.2 enabled, ignore the following RandR 
disabled message.
[   173.320] (==) intel(0): DPMS enabled
[   173.320] (==) intel(0): Intel XvMC decoder enabled
[   173.320] (II) intel(0): Set up textured video
[   173.320] (II) intel(0): [XvMC] xvmc_vld driver initialized.
[   173.320] (II) intel(0): direct rendering: DRI2 Enabled
[   173.320] (==) intel(0): hotplug detection: "enabled"
[   173.320] (--) RandR disabled
[   173.320] (II) Initializing built-in extension Generic Event Extension
[   173.320] (II) Initializing built-in extension SHAPE
[   173.320] (II) Initializing built-in extension MIT-SHM
[   173.320] (II) Initializing built-in extension XInputExtension
[   173.320] (II) Initializing built-in extension XTEST
[   173.320] (II) Initializing built-in extension BIG-REQUESTS
[   173.320] (II) Initializing built-in extension SYNC
[   173.320] (II) Initializing built-in extension XKEYBOARD
[   173.320] (II) Initializing built-in extension XC-MISC
[   173.320] (II) Initializing built-in extension SECURITY
[   173.320] (II) Initializing built-in extension XINERAMA
[   173.320] (II) Initializing built-in extension XFIXES
[   173.320] (II) Initializing built-in extension RENDER
[   173.320] (II) Initializing built-in extension RANDR
[   173.320] (II) Initializing built-in extension COMPOSITE
[   173.320] (II) Initializing built-in extension DAMAGE
[   173.320] (II) Initializing built-in extension GESTURE
[   173.328] (II) AIGLX: Trying DRI driver /usr/lib/dri/i965_dri.so
[   173.331] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[   173.331] (II) AIGLX: enabled GLX_INTEL_swap_event
[   173.331] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[   173.331] (II) AIGLX: enabled GLX_SGI_make_current_read
[   173.331] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[   173.331] (II) AIGLX: Loaded and initialized i965
[   173.331] (II) GLX: Initialized DRI2 GL provider for screen 0

Is there a procedure to report this upstream to Xorg?
Thanks.


** Bug watch added: KDE Bug Tracking System #259578
   http://bugs.kde.org/show_bug.cgi?id=259578

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https://bugs.launchpad.net/bugs/781353

Title:
  display inverted (upside-down left-right) in startkde after natty
  upgrade

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