[winswitch] issue with forwarding x to a lower res monitor from a virtual Xvfb

[Zenny]

On 11/16/15, Zenny <garbytrash at gmail.com> wrote:
> On 11/16/15, Zenny <garbytrash at gmail.com> wrote:
>> On 11/16/15, Antoine Martin <antoine at nagafix.co.uk> wrote:
>>> On 16/11/15 19:17, Zenny wrote:
>>>> On 11/16/15, Antoine Martin <antoine at nagafix.co.uk> wrote:
>>>>> On 15/11/15 20:48, Zenny wrote:
>>>>>> On 11/15/15, Antoine Martin <antoine at nagafix.co.uk> wrote:
>>>>>>> I have tested here with Xdummy and that worked fine.
>>>>>> Can you share your Xdummy command if different from the one in the
>>>>>> wiki?
>>>>> I am using the one that gets generated in the xpra.conf like so:
>>>>>
>>>>> export DISPLAY=:10
>>>>> xpra_Xdummy -noreset -nolisten tcp +extension GLX +extension RANDR
>>>>> +extension RENDER -auth $XAUTHORITY -logfile
>>>>> ${HOME}/.xpra/Xorg.${DISPLAY}.log -configdir ${HOME}/.xpra/xorg.conf.d
>>>>> -config /etc/xpra/xorg.conf $DISPLAY
>>>> Thanks for sharing, but ould not figure out 'xpra_Xdummy' :
>>> http://xpra.org/trac/browser/xpra/trunk/src/scripts/xpra_Xdummy
>>
>> Thanks for very useful pointer:
>>
>> But how to specify the screen resolution with xpra_Xdummy (as you have
>> suggested as quoted below)? In my case I need 4K in the virtual x
>> server in server and 1K in the client, fyi
>>
>> export DISPLAY=:10
>> xpra_Xdummy -noreset -nolisten tcp +extension GLX +extension RANDR
>> +extension RENDER -auth $XAUTHORITY -logfile
>> ${HOME}/.xpra/Xorg.${DISPLAY}.log -configdir ${HOME}/.xpra/xorg.conf.d
>> -config /etc/xpra/xorg.conf $DISPLAY
>
> UPDATE: I started an xpra instance with the above command, but no xpra
> sessions are listed:
>
> $ xpra list
> xpra initialization error:
>  No xpra sessions found
>
> The xpra_Xdummy command above displays following in the console:
> http://hastebin.com/tudewavuxe.avrasm


The relevant log is at:

http://hastebin.com/miqaxajusa.vhdl

>
> Thanks,
> /z
>
>>
>> Cheers,
>> /z
>>
>>>> Is that underscore a typo?
>>> No.
>>>> Else let me know what I am missing? I am on v0.16.0-1 beta.
>>> This  wrapper script may or may not be needed for running Xorg as a
>>> non-root user.
>>> In some cases, you may be able to just replace it with a plain "Xorg".
>>>
>>> Cheers
>>> Antoine
>>>
>>>
>>>
>>>>
>>>> Cheers,
>>>> /z
>>>>
>>>>> Antoine
>>>>>
>>>>>>
>>>>>>>> I checked Xdummy related to Ubuntu instruction at
>>>>>>>> https://www.xpra.org/trac/wiki/Xdummy, but to no avail.
>>>>>>> Are you using Xvfb or Xdummy? What distribution and version?
>>>>>>>> Any hints would be highly appreciated. Thanks!
>>>>>>> You may also be interested in the following 0.16 features:
>>>>>>> * ability to NOT change the virtual display to match the client's
>>>>>>> resolution using:
>>>>>>> XPRA_RANDR=0 xpra start ...
>>>>>>> See:
>>>>>>> http://xpra.org/trac/changeset/11229
>>>>>>> Shadow mode is A LOT less efficient than the regular "start" mode.
>>>>>>> * desktop scaling, which allows you to upscale or downscale the
>>>>>>> server
>>>>>>> resolution when displayed on the client:
>>>>>>> http://xpra.org/trac/ticket/976
>>>>>>> So you could render at 4k and display at 2k for example (though the
>>>>>>> main
>>>>>>> purpose of this ticket is to do the opposite to save bandwidth).
>>>>>>> * "sync-xvfb" fix for screen capture tools:
>>>>>>> http://xpra.org/trac/ticket/988
>>>>>>>
>>>>>>> Cheers
>>>>>>> Antoine
>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> /z
>>>>>>>> _______________________________________________
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>>>>>>>> shifter-users at lists.devloop.org.uk
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>>>>>>> _______________________________________________
>>>>>>> shifter-users mailing list
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>>>>>>>
>>>>>
>>>
>>>
>>
>