[winswitch] New to xpra: initialization error?

Alan Hoyle alan at alanhoyle.com
Fri May 29 00:11:09 BST 2020


I just installed xpra for the first time on my mac, and it doesn't seem to
let me start applications on the server side.  I installed it via
homebrew/cask, but didn't do anything on the remote end.

If I run "ssh -Y $LOGIN xterm" I get an xterm appearing after a few seconds
(X apps run this way are not performant which is why I'm looking into xpra).

If I run the following command, I get some warnings, it says the
authentication passed, and then it errors out with:
xpra initialization error:
    connection failed: all SSH remote proxy commands have failed

See below (mildly edited to remove our 'welcome' message).

$ xpra start ssh:$LOGIN --start=/usr/bin/xterm
/Applications/Xpra.app/Contents/Resources/lib/python/xpra/platform/darwin/gui.py:90:
Warning: invalid cast from 'GtkMenuBar' to 'GtkWindow'
  osxapp.set_menu_bar(mh.rebuild())

(Xpra:29629): Gtk-CRITICAL **: 18:32:36.507: gtk_window_add_accel_group:
assertion 'GTK_IS_WINDOW (window)' failed
2020-05-28 18:32:36,623 Xpra GTK3 client version 4.0.1-r26380 64-bit
2020-05-28 18:32:36,642  running on Mac OS X 10.15.5
2020-05-28 18:32:37,433 GStreamer version 1.16.2 for Python 3.8.2 64-bit
2020-05-28 18:32:37,550 OpenGL_accelerate module loaded
2020-05-28 18:32:37,566 Using accelerated ArrayDatatype
/Applications/Xpra.app/Contents/Resources/lib/python/xpra/client/gl/gtk3/nativegl_client_window.py:12:
Warning: g_object_get_qdata: assertion 'G_IS_OBJECT (object)' failed
  return GLContext().check_support(force_enable)  #pylint:
disable=not-callable
/Applications/Xpra.app/Contents/Resources/lib/python/xpra/client/gl/gtk3/nativegl_client_window.py:12:
Warning: g_object_set_qdata_full: assertion 'G_IS_OBJECT (object)' failed
  return GLContext().check_support(force_enable)  #pylint:
disable=not-callable
/Applications/Xpra.app/Contents/Resources/lib/python/xpra/client/gl/gtk3/nativegl_client_window.py:12:
Warning: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
  return GLContext().check_support(force_enable)  #pylint:
disable=not-callable
2020-05-28 18:32:38,178 OpenGL enabled with AMD Radeon Pro 5500M OpenGL
Engine
2020-05-28 18:32:38,278 Connected (version 2.0, client OpenSSH_7.4)
2020-05-28 18:32:38,570 Auth banner: b'[...snip...]'
2020-05-28 18:32:38,878 Authentication (publickey) successful!
xpra initialization error:
 connection failed: all SSH remote proxy commands have failed


--
  -  Alan Hoyle  -  alan at alanhoyle.com  -  http://www.alanhoyle.com/  -


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