Public bug reported:
Binary package hint: kde-guidance
The sliders for gamma connection in the "Monitor&Display" module of system
settings does not work (currently on kubuntu hardy alpha 6).
To test:
- open a konsole (terminal if not under kubuntu)
- sudo displayconfig
- go to the "Color & Gamma" tab
- Switch the radio button in the middle of the screen from All to RGB and you
will get error message below.
- Also changing any of the sliders will result in the same error. The gamma
display is not changed.
- What does work is the "Target gamma" dropdown on the bottom line.
Error:
Xlib: extension "XFree86-VidModeExtension" missing on display ":1.0".
Xlib: extension "XFree86-VidModeExtension" missing on display ":1.0".
Traceback (most recent call last):
File "/usr/bin/displayconfig", line 836, in slotGammaRadioClicked
self.currentgammascreen.setRedGamma(self.currentgammascreen.getRedGamma())
File "/var/lib/python-support/python2.5/displayconfigabstraction.py", line
1878, in setRedGamma
self.x_live_screen.setGamma( (self.redgamma,self.greengamma,self.bluegamma)
)
File "/var/lib/python-support/python2.5/xf86misc.py", line 64, in setGamma
ixf86misc.SetGamma(self.display,self.screenid,gammatuple[0],gammatuple[1],gammatuple[2])
SystemError: error return without exception set
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python2.5/site-packages/apport_python_hook.py", line 42, in
apport_excepthook
binary = os.path.realpath(os.path.join(os.getcwdu(), sys.argv[0]))
IndexError: list index out of range
Original exception was:
Traceback (most recent call last):
File "/usr/bin/displayconfig", line 836, in slotGammaRadioClicked
self.currentgammascreen.setRedGamma(self.currentgammascreen.getRedGamma())
File "/var/lib/python-support/python2.5/displayconfigabstraction.py", line
1878, in setRedGamma
self.x_live_screen.setGamma( (self.redgamma,self.greengamma,self.bluegamma)
)
File "/var/lib/python-support/python2.5/xf86misc.py", line 64, in setGamma
ixf86misc.SetGamma(self.display,self.screenid,gammatuple[0],gammatuple[1],gammatuple[2])
SystemError: error return without exception set
** Affects: kde-guidance (Ubuntu)
Importance: Undecided
Status: New
--
[hardy] sliders for gamma correction don't work in displayconfig
https://bugs.launchpad.net/bugs/201468
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