[winswitch] client failed to provide any keycodes (XPRA client win10 2.2-r17577 against XPRA server 2.2-0.20171206r17578.fc27)

Antoine Martin antoine at nagafix.co.uk
Sun Dec 10 08:13:50 GMT 2017

On 10/12/17 01:31, WireRydr via shifter-users wrote:
> Hello all;
> I've posted this as a question to the mailing-list instead of as a
> bug-report because I cannot rule out the possibility of
> mis-configuration.  However, given that this problem doesn't happen with
> an older client, I suspect it's a regression.
It is.

> Operating Environment
> ---------------------
>   Host OS:      Fedora 27 (x86_64)
>   XPRA Server:  2.2-0.20171206r17578.fc27
>   XPRA Client:  Python/Gtk2 Microsoft Windows 10 aero client version
> 2.2-r17577 64-bit
> I've pasted two logging outputs below:  1) When I attempt to connect to
> a running XPRA server with a Win10 client 2.2-r17577, and  2) When I
> connect to the same XPRA server with a Win10 client 2.2-r17538.
> In the first attempt the resulting child xterm doesn't respond properly
> to keyboard input, and the server log includes an error and traceback. 
> In the second attempt (same server but older client), the xterm responds
> properly and there's no server error/traceback.
> Any advice/guidance you can provide to assist with better
> troubleshooting this would be greatly appreciated.  Thanks!
This bug has been fixed, for details see here:
And you can find updated builds in the usual location:
Sorry for the inconvenience.

For future reference, keyboard debugging is documented here:
But I have to say that your bug report is one of the best I have seen.


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