[winswitch] Xpra 4.0: unable to start application

Antoine Martin antoine at nagafix.co.uk
Thu May 14 11:30:57 BST 2020


On 14/05/2020 13:08, Luca Manganelli via shifter-users wrote:
> Hello,
> 
> I have two systems:
> 
> 1) at work with Fedora 32
> 2) at home with Ubuntu 18.04
> 
> both do have Xpra 4.0.
> 
> In Xpra 3.0 I had always executed this command successfully:
> 
> xpra start ssh://SSH_HOST --start-child=pidgin (or whatever any application)
> 
> but in 4.0 this throws this error:
> 
> 2020-05-14 07:47:27,269 Authentication (password) successful!
> 2020-05-14 07:47:28,036  keyboard settings: rules=evdev, model=pc105,
> layout=it
> 2020-05-14 07:47:28,130  desktop size is 1920x1080 with 1 screen:
> 2020-05-14 07:47:28,130   :0.0 (508x285 mm - DPI: 96x96) workarea: 1920x1044
> 2020-05-14 07:47:28,130     DP-3 (520x320 mm - DPI: 93x85)
> 2020-05-14 07:47:57,860 connection timed out
> 
> the remote logs don't tell anything particular
Thanks for reporting this bug.
Yet again, one of the very last features to go in (MS Windows proxy
support) has caused a regression elsewhere.. Sorry about that.
We'll try to do better in the future.

The fix is trivial:
http://xpra.org/trac/changeset/26351
So you can just apply it by hand to your installation, wait for the
4.0.1 release, or start your sessions in two steps:
xpra start ssh://SSH_HOST --start=whatever --attach=no
xpra attach ssh://SSH_HOST

Cheers,
Antoine


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