[argyllcms] Re: Geode processor

Lars Tore Gustavsen wrote:

I was able to install a chroot debian etch  today.  I have compiled
argyllcms from source and the "Floating point exception" message is
gone. It looks like many of the programs works now so I guess they are
compiled correctly.  I have tried to run the binaries  under chroot
and native.


Sounds rather like the GCC problem then. See
<http://linux.derkeiler.com/Mailing-Lists/Fedora/2006-11/msg04209.html>
for instance.


There is however some strange things happening. If I use 16bit color
depth in the display I end up with a "We don't have access to the
VideoLUT" warning.
Full output here:



CGGetDisplayTransferByTable number of entries 256 mismatches screen depth 64


Right. You've got a screen depth of 5 bits/component, yet the LUTs have
256 entries. This can't possibly work. For 5 bits/component, the LUT
should have 64 entries.


The output looks very promising, but noting happens to the display.
After some more testing there is no visual difference between xgamma
–gamma 0.1 and xgamma –gamma 10 either.  Dispwin –r have similar
behavior.



./usr/local/bin/dispwin -E 9 -v  -r



Nothing changes on the screen. I have tried with the
ARGYLL_IGNORE_XRANDR1_2 set to yes and no.



Sounds like VideoLUT access isn't implemented in the X11 driver. Not much
hope for calibration unless this is fixed.

Graeme Gill.

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