[winswitch] 4.1: cannot start terminal anymore

[Antoine Martin]

On 05/03/2021 18:20, Luca Manganelli via shifter-users wrote:
> Hello,
> 
> since 4.1, using this command doesn't launch gnome-terminal anymore:
> 
> xpra start ssh://user@host/ --start=gnome-terminal --dpi=120
> 
> p.s. 4.1 is installed on both client and server.
> 
> The output of the command xpra start is:
> 
> 2021-03-05 12:16:43,425 Authentication (password) successful!
> 2021-03-05 12:16:43,929  keyboard settings: rules=evdev, model=pc105,
> layout=it
> 2021-03-05 12:16:43,931  desktop size is 1920x1080 with 1 screen:
> 2021-03-05 12:16:43,931   :0.0 (508x285 mm - DPI: 96x96) workarea: 1920x1044
> 2021-03-05 12:16:43,931     ENC DP-1 (528x297 mm - DPI: 92x92)
> 2021-03-05 12:16:44,216  SSH: 'Entering daemon mode; any further errors
> will be reported to:'
> 2021-03-05 12:16:44,216  SSH: '  /run/user/1000/xpra/S556615.log'
> 2021-03-05 12:16:50,174  SSH: 'Actual display used: :3'
> 2021-03-05 12:16:50,175  SSH: 'Actual log file name is now:
> /run/user/1000/xpra/:3.log'
> 2021-03-05 12:16:59,260 SSH EOF on stderr of run-xpra
> 2021-03-05 12:16:59,267 Error: failed to receive anything, not an xpra
> server?
> 2021-03-05 12:16:59,267   could also be the wrong protocol, username,
> password or port
> 2021-03-05 12:16:59,267   or the session was not found
> 2021-03-05 12:16:59,267 Connection lost
> 2021-03-05 12:16:59,297 removing unix domain socket
> '/run/user/1000/xpra/clients/hp800-21912'
> 
> 
> the log "/run/user/1000/xpra/S556615.log" doesn't exist either in the
> server or in the client.
Like it says 2 lines further down in your log output:
"Actual log file name is now: /run/user/1000/xpra/:3.log"
(this file will be on the server)

I suspect that you're hitting a bug that I have managed to reproduce on
some distributions with the new ffmpeg vaapi codec. It causes the server
to crash and the session to fail.

Until I can release 4.1.1 with the appropriate fix, you can start your
servers with:
--env=XPRA_VAAPI=0
Or with:
--video-encoders=nvenc,x264,vpx

This regression was not spotted earlier because it seems have started
triggering only recently, without any changes in the xpra code.

Cheers,
Antoine


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