Public bug reported:
My laptop has a 4K display.
Default Resolution = 3840x2160, scale = 200%.
If I set resolution to 1920x1080, everything on the desktop is scaled to double
size.
So, if I reduce the Scale setting from 200% to 100%, I would expect everything
to look normal again, but it does
I believe this bug may now be fixed.
This error does not occur on Lucid with NVidia 9600GT GPU.
Unfortunately I no longer have the ATI Radeon Mobility X600 on which I
originally spotted the bug.
--
xserver crashed while use Super+ Tab
https://bugs.launchpad.net/bugs/359579
You received this bug
The Samsung R560 has the same problem, but I have a partial work-around.
If you press Fn+Up/Down, the brightness bar appears and starts flickering, but
the brightness does not change. Instead the keyboard seems to lock up.
You can return the keyboard to normal by pressing Ctrl-Alt-F3, then
Apparently this is not really a bug, but is actually a feature of Synaptics
Touchpad.
Its meant to prevent the mouse from accidentally being moved while typing.
Luckily this annoying behavior can be turned off in Gnome by going:
System Preferences Mouse Touchpad (Uncheck: Disable touchpad
