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On Wed, Nov 02, 2016 at 05:55:37PM +0100, Zrubi wrote:
> On 10/28/2016 01:19 PM, Zrubi wrote:
> > On 09/03/2016 12:49 AM, Connor Page wrote:
> >> I have calibrated my yellow screen using argyllcms. 
> >> I don't attach usb devices to dom0 so installed it in sys-usb as well. 
> >> used 
> >> https://encrypted.pcode.nl/blog/2013/11/24/display-color-profiling-on-linux/
> >>  as a rough guide. 
> >> to get the calibration done you just need to run dispcal and then transfer 
> >> the calibration file to dom0.
> >> then test it with "dispwin xxx.cal" in dom0. if happy, create an autostart 
> >> item with that command (probably,
> >> using the full path to the calibration file) and you're done.
> > 
> > I just started to experiment with display color correction things.
> > 
> > I wonder how it is workig in Qubes because as far as i know:
> > 
> > - the display profile is used only the programs are aware of icc profiles.
> > 
> > - the X server runs in dom0, the apps are in AppVMs - but no
> > communication about display prifiles (colord) because of the qubes gui
> > protocol.
> > 
> 
> @Marek:
> Do you have any idea what to look for in order to be able to calibrate
> my screen under Qubes?

I have no idea how such software works... Especially at which stage
calibration is applied. Is it something that application does
"internally", or adjust display driver options?

> What I already tried:
> 
> - the standard gnome color management tools runned in (sys-usb)
> But it is complaining that there is no display to calibrate.
> 
> running the same calibration software directly complains about there is
> no colord available (masked)

Try unmasking colord (systemctl unmask should do).

> (gcm-calibrate:1459): Gcm-WARNING **: failed to connect to colord: Error
> calling StartServiceByName for org.freedesktop.ColorManager:
> GDBus.Error:org.freedesktop.systemd1.UnitMasked: Unit colord.service is
> masked.
> 
> 
> 
> - diplayCal is happy with the dummy display seen by the AppVM, and do
> not depend on colord - but it fails on some X calls(?)
> 
> Debug: window wxComboBox(0x561c58c3a230, ) lost focus even though it
> didn't have it
> X Error of failed request:  BadMatch (invalid parameter attributes)
>   Major opcode of failed request:  42 (X_SetInputFocus)

Strange...

> Or I should connect the calibration device to dom0 and start the
> calibration from dom0?
> (Also noted that there is no colord running, so I may have to apply the
> profile viea diplaycal cli)
> 
> 
> Thanks.
> 
> 




- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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