File "xpra/x11/bindings/keyboard_bindings.pyx", line 441, in xpra.x11.bindings.keyboard_bindings.X11KeyboardBindingsInstance.getXkbProperties TypeError: a bytes-like object is required, not 'str'
Xpra attach works well on default X screen (:0.0) on Xubuntu 18.04 with multiple X screens:
$ xpra --version xpra v3.0.4-r24778
$ echo $DISPLAY :0.0 $ xpra attach :57 Error: cannot handle window transparency screen is not composited Error: cannot handle window transparency screen is not composited Warning: window 4294967295 changed its transparency attribute from False to True, behaviour is undefined 2020-01-06 16:18:00,924 Warning: all the compressors are disabled, 2020-01-06 16:18:00,925 unless you use mmap or have a gigabit connection or better 2020-01-06 16:18:00,925 performance will suffer 2020-01-06 16:18:00,925 Xpra GTK3 X11 client version 3.0.4-r24778 64-bit 2020-01-06 16:18:00,997 running on Linux Ubuntu 18.04 bionic 2020-01-06 16:18:00,998 window manager is 'Xfwm4' 2020-01-06 16:18:01,371 GStreamer version 1.14.5 for Python 3.6.9 64-bit 2020-01-06 16:18:01,460 OpenGL_accelerate module loaded 2020-01-06 16:18:01,463 Using accelerated ArrayDatatype 2020-01-06 16:18:01,588 Error: cannot handle window transparency 2020-01-06 16:18:01,588 screen is not composited 2020-01-06 16:18:01,673 OpenGL enabled with llvmpipe (LLVM 8.0, 256 bits) 2020-01-06 16:18:01,920 keyboard settings: rules=evdev, model=pc105, layout=hu 2020-01-06 16:18:01,921 desktop size is 1024x1280 with 1 screen: 2020-01-06 16:18:01,922 :0.0 (271x339 mm - DPI: 95x95) workarea: 1024x1239 2020-01-06 16:18:01,922 DVI-D-0 (376x301 mm - DPI: 69x108) Gtk-Message: 16:18:02.307: GtkDialog mapped without a transient parent. This is discouraged. 2020-01-06 16:18:05,574 keyboard settings: rules=evdev, model=pc105, layout=hu 2020-01-06 16:18:05,588 desktop size is 1024x1280 with 1 screen: 2020-01-06 16:18:05,588 :0.0 (271x339 mm - DPI: 95x95) workarea: 1024x1239 2020-01-06 16:18:05,589 DVI-D-0 (376x301 mm - DPI: 69x108) 2020-01-06 16:18:05,837 enabled fast mmap transfers using 256MB shared memory area 2020-01-06 16:18:05,837 enabled remote logging 2020-01-06 16:18:05,838 Xpra GTK3 X11 server version 3.0.4-r24778 64-bit 2020-01-06 16:18:05,838 running on Linux Ubuntu 18.04 bionic 2020-01-06 16:18:05,838 compression disabled: no matching compressor found 2020-01-06 16:18:05,847 Attached to socket:///run/user/1000/xpra/x2-57 2020-01-06 16:18:05,847 (press Control-C to detach) 2020-01-06 16:18:06,220 sound output found 3 audio output devices: 2020-01-06 16:18:06,220 sound output * SoundBlaster MP3+ Analog Stereo 2020-01-06 16:18:06,221 sound output alsa_output.usb-041e_USB_Audio-00.analog-stereo 2020-01-06 16:18:06,221 sound output * Built-in Audio Digital Stereo (IEC958) 2020-01-06 16:18:06,221 sound output alsa_output.pci-0000_00_1f.3.iec958-stereo 2020-01-06 16:18:06,221 sound output * GP106 High Definition Audio Controller Digital Stereo (HDMI 2) 2020-01-06 16:18:06,221 sound output alsa_output.pci-0000_01_00.1.hdmi-stereo-extra1 2020-01-06 16:18:06,221 sound output to select a specific one, 2020-01-06 16:18:06,221 sound output use the environment variable 'XPRA_PULSE_SINK_DEVICE_NAME' 2020-01-06 16:18:06,221 sound output using default pulseaudio device 2020-01-06 16:18:06,322 server does not support xi input devices 2020-01-06 16:18:06,322 server uses: xtest 2020-01-06 16:18:06,736 sound output using 'opus' audio codec ^C 2020-01-06 16:18:21,296 got signal SIGINT 2020-01-06 16:18:21,296 sound output got signal SIGINT 2020-01-06 16:18:21,296 exiting 2020-01-06 16:18:21,297 sound output stopping }}}} However it does not on other screens, eg. {{{ $ echo $DISPLAY :0.1 $ xpra attach :57 Error: cannot handle window transparency screen is not composited Error: cannot handle window transparency screen is not composited Warning: window 4294967295 changed its transparency attribute from False to True, behaviour is undefined 2020-01-06 16:20:05,074 Warning: all the compressors are disabled, 2020-01-06 16:20:05,074 unless you use mmap or have a gigabit connection or better 2020-01-06 16:20:05,074 performance will suffer 2020-01-06 16:20:05,074 Xpra GTK3 X11 client version 3.0.4-r24778 64-bit 2020-01-06 16:20:05,147 running on Linux Ubuntu 18.04 bionic 2020-01-06 16:20:05,148 window manager is 'Xfwm4' 2020-01-06 16:20:05,517 GStreamer version 1.14.5 for Python 3.6.9 64-bit xpra main error: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/xpra/scripts/main.py", line 117, in main return run_mode(script_file, err, options, args, mode, defaults) File "/usr/lib/python3/dist-packages/xpra/scripts/main.py", line 447, in run_mode return run_client(error_cb, options, args, mode) File "/usr/lib/python3/dist-packages/xpra/scripts/main.py", line 1509, in run_client app = get_client_app(error_cb, opts, extra_args, mode) File "/usr/lib/python3/dist-packages/xpra/scripts/main.py", line 1625, in get_client_app app.init_ui(opts) File "/usr/lib/python3/dist-packages/xpra/client/ui_client_base.py", line 189, in init_ui opts.keyboard_raw, *overrides) File "/usr/lib/python3/dist-packages/xpra/client/gtk_base/gtk_keyboard_helper.py", line 30, in __init__ self.update() File "/usr/lib/python3/dist-packages/xpra/client/gtk_base/gtk_keyboard_helper.py", line 63, in update self.query_xkbmap() File "/usr/lib/python3/dist-packages/xpra/client/keyboard_helper.py", line 352, in query_xkbmap ) = self.get_layout_spec() File "/usr/lib/python3/dist-packages/xpra/client/keyboard_helper.py", line 305, in get_layout_spec layout, layouts, variant, variants, options = self.keyboard.get_layout_spec() File "/usr/lib/python3/dist-packages/xpra/platform/xposix/keyboard.py", line 138, in get_layout_spec props = self.keyboard_bindings.getXkbProperties() File "xpra/x11/bindings/keyboard_bindings.pyx", line 441, in xpra.x11.bindings.keyboard_bindings.X11KeyboardBindingsInstance.getXkbProperties TypeError: a bytes-like object is required, not 'str' }}} {{{ $ ps -ef |grep xpra habex 7422 1 2 16:17 ? 00:00:11 /usr/bin/python3 /usr/bin/xpra start :57 habex 7424 7422 0 16:17 ? 00:00:02 /usr/lib/xorg/Xorg-for-Xpra-:57 -noreset -novtswitch -nolisten tcp +extension GLX +extension RANDR +extension RENDER -auth /home/habex/.Xauthority -logfile /run/user/1000/xpra/Xorg.:57.log -configdir /run/user/1000/xpra/xorg.conf.d/7422 -config /etc/xpra/xorg.conf -depth 24 :57 }}}
Thanks for the bug report, this python3 regression is fixed in r24920 and will be in the next stable update.
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2541