2020-03-24 12:37:45,491 Error: cannot enable SSH socket upgrades:
2020-03-24 12:37:45,491  No module named paramiko
2020-03-24 12:37:45,495 cannot access python uinput module:
2020-03-24 12:37:45,495  No module named uinput

X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System:  3.10.0-957.1.3.el7.x86_64 
Current Operating System: Linux jumphost-2.photeon.local 3.10.0-1062.4.1.el7.x86_64 #1 SMP Fri Oct 18 17:15:30 UTC 2019 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0-1062.4.1.el7.x86_64 root=/dev/mapper/centos_jumphost-root ro crashkernel=auto rd.lvm.lv=centos_jumphost/root rd.lvm.lv=centos_jumphost/swap rhgb quiet LANG=en_US.UTF-8
Build Date: 09 August 2019  03:27:09AM
Build ID: xorg-x11-server 1.20.4-7.el7 
Current version of pixman: 0.34.0
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(++) Log file: "/run/user/10000/xpra/Xorg.S55042.log", Time: Tue Mar 24 12:37:45 2020
(++) Using config file: "/etc/xpra/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
2020-03-24 12:37:45,950 created unix domain socket '/run/user/10000/xpra/jumphost-2.photeon.local-0'
2020-03-24 12:37:45,950 cannot create group socket '/run/xpra/jumphost-2.photeon.local-0'
2020-03-24 12:37:45,950  [Errno 13] Permission denied
2020-03-24 12:37:45,950 Warning: missing sound module
2020-03-24 12:37:45,998 pointer device emulation using XTest
2020-03-24 12:37:46,018 serving html content from '/usr/share/xpra/www'
2020-03-24 12:37:46,924 OpenGL is supported on display ':0'
2020-03-24 12:37:46,924  using 'llvmpipe (LLVM 7.0, 256 bits)' renderer
2020-03-24 12:37:47,020 D-Bus notification forwarding is available
2020-03-24 12:37:47,034 printer forwarding enabled using postscript and pdf
2020-03-24 12:37:47,044 started command 'xterm' with pid 55114
2020-03-24 12:37:47,248 udp read thread loop starting
2020-03-24 12:37:47,249 xpra is ready.
2020-03-24 12:37:47,250 xpra GTK2 X11 version 3.0.7-r25627 64-bit
2020-03-24 12:37:47,260 watching for applications menu changes in:
2020-03-24 12:37:47,260  '/usr/local/share/applications'
2020-03-24 12:37:47,261  '/usr/share/applications'
2020-03-24 12:37:47,306  uid=10000 (niki2), gid=10000 (niki2)
2020-03-24 12:37:47,306  running with pid 55051 on Linux CentOS Linux 7.7.1908 Core
2020-03-24 12:37:47,307  connected to X11 display :0 with 24 bit colors
2020-03-24 12:37:48,517 5.7GB of system memory
2020-03-24 12:38:57,632 New unix-domain connection received
2020-03-24 12:38:57,633  on '/run/user/10000/xpra/jumphost-2.photeon.local-0'
2020-03-24 12:39:18,741 Handshake complete; enabling connection
2020-03-24 12:39:18,755  automatic picture encoding enabled, also available:
2020-03-24 12:39:18,755   vp9, vp8, png, png/P, png/L, webp, rgb24, rgb32, jpeg
2020-03-24 12:39:18,758 Python/GTK3 Linux Fedora 30 Thirty x11 client version 3.0.6-r25177 64-bit
2020-03-24 12:39:18,758  connected from 'lnx-1' as 'niki'
2020-03-24 12:39:18,896 setting key repeat rate from client: 660ms delay / 40ms interval
2020-03-24 12:39:18,898 setting keymap: rules=evdev, model=pc105, layout=us
2020-03-24 12:39:18,922 setting keyboard layout to 'us'
2020-03-24 12:39:18,979  client root window size is 1920x1080 with 1 display:
2020-03-24 12:39:18,980   :0.0 (508x285 mm - DPI: 96x96)
2020-03-24 12:39:18,980     CMN eDP-1 (309x173 mm - DPI: 157x158)
2020-03-24 12:39:18,994 server virtual display now set to 1920x1080
2020-03-24 12:39:19,069 DPI set to 23 x 25 (wanted 96 x 96)
2020-03-24 12:39:19,070  you may experience scaling problems, such as huge or small fonts, etc
2020-03-24 12:39:19,070  to fix this issue, try the dpi switch, or use a patched Xorg dummy driver
2020-03-24 12:39:19,071 client   1 @03.312 Xpra GTK2 X11 server version 3.0.7-r25627 64-bit
2020-03-24 12:39:19,083 client   1 @03.312  running on Linux CentOS Linux 7.7.1908 Core
2020-03-24 12:39:19,104 client   1 @03.319 Attached to udp://10.10.11.23:14567/
2020-03-24 12:39:19,104 client   1 @03.320  (press Control-C to detach)
2020-03-24 12:39:19,226 client   1 @03.426 server does not support xi input devices
2020-03-24 12:39:19,227 client   1 @03.426  server uses: xtest
2020-03-24 12:39:19,534 Error processing a 'udp-control' packet
2020-03-24 12:39:19,534  received from Protocol(udp socket: 0.0.0.0:14567 <- 192.168.255.240:45684):
2020-03-24 12:39:19,535  using <bound method XpraServer._process_udp_control of <XpraServer object at 0x7f130bcb7e10 (xpra+x11+server+XpraServer at 0x1ea7320)>>
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xpra/server/server_base.py", line 996, in process_packet
    handler(proto, packet)
  File "/usr/lib64/python2.7/site-packages/xpra/server/server_core.py", line 2104, in _process_udp_control
    proto.process_control(*packet[1:])
  File "/usr/lib64/python2.7/site-packages/xpra/net/udp_protocol.py", line 295, in process_control
    fail_cb_seq()
TypeError: send_control_failed() takes no arguments (1 given)
2020-03-24 12:39:19,622 Error processing a 'udp-control' packet
2020-03-24 12:39:19,622  received from Protocol(udp socket: 0.0.0.0:14567 <- 192.168.255.240:45684):
2020-03-24 12:39:19,623  using <bound method XpraServer._process_udp_control of <XpraServer object at 0x7f130bcb7e10 (xpra+x11+server+XpraServer at 0x1ea7320)>>
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xpra/server/server_base.py", line 996, in process_packet
    handler(proto, packet)
  File "/usr/lib64/python2.7/site-packages/xpra/server/server_core.py", line 2104, in _process_udp_control
    proto.process_control(*packet[1:])
  File "/usr/lib64/python2.7/site-packages/xpra/net/udp_protocol.py", line 295, in process_control
    fail_cb_seq()
TypeError: send_control_failed() takes no arguments (1 given)
lpadmin: Unauthorized
2020-03-24 12:39:20,151 lpadmin failed and returned error code: 1
2020-03-24 12:39:20,151  verify that user 'niki2' has all the required permissions
2020-03-24 12:39:20,151  for running: '/usr/sbin/lpadmin'
2020-03-24 12:39:20,152  full command: '/usr/sbin/lpadmin' '-p' 'HP-LaserJet-5200' '-v' 'xpraforwarder:/tmp?mimetype=application%2Fpdf&socket-path=%2Frun%2Fuser%2F10000%2Fxpra%2Fjumphost-2.photeon.local-0&remote-printer=HP-LaserJet-5200&remote-device-uri=socket%3A%2F%2F192.168.111.244%3A9100&source=504b73f6daf96ecef5403251b16edcdc62d0987a&display=%3A0' '-D' 'HP LaserJet 5200' '-L' 'on lnx-1 (via xpra)' '-E' '-o' 'printer-is-shared=false' '-u' 'allow:niki2' '-P' '/usr/share/ppd/cupsfilters/Generic-PDF_Printer-PDF.ppd'
2020-03-24 12:39:56,122 client   1 @40.018 Unhandled error while processing a 'udp-control' packet from peer using <bound method XpraClientBase._process_udp_control of gtk3.client>
2020-03-24 12:39:56,123 client   1 @40.018   File "/usr/lib64/python3.7/site-packages/xpra/client/client_base.py", line 951, in process_packet
2020-03-24 12:39:56,123 client   1 @40.018     handler(packet)
2020-03-24 12:39:56,123 client   1 @40.018   File "/usr/lib64/python3.7/site-packages/xpra/client/client_base.py", line 315, in _process_udp_control
2020-03-24 12:39:56,124 client   1 @40.018     self._protocol.process_control(*packet[1:])
2020-03-24 12:39:56,124 client   1 @40.018   File "/usr/lib64/python3.7/site-packages/xpra/net/udp_protocol.py", line 295, in process_control
2020-03-24 12:39:56,124 client   1 @40.018     fail_cb_seq()
2020-03-24 12:39:56,124 client   1 @40.018 TypeError: send_control_failed() takes 0 positional arguments but 1 was given
2020-03-24 12:39:56,125 client   1 @40.042 Unhandled error while processing a 'udp-control' packet from peer using <bound method XpraClientBase._process_udp_control of gtk3.client>
2020-03-24 12:39:56,125 client   1 @40.042   File "/usr/lib64/python3.7/site-packages/xpra/client/client_base.py", line 951, in process_packet
2020-03-24 12:39:56,125 client   1 @40.042     handler(packet)
2020-03-24 12:39:56,126 client   1 @40.042   File "/usr/lib64/python3.7/site-packages/xpra/client/client_base.py", line 315, in _process_udp_control
2020-03-24 12:39:56,126 client   1 @40.042     self._protocol.process_control(*packet[1:])
2020-03-24 12:39:56,126 client   1 @40.042   File "/usr/lib64/python3.7/site-packages/xpra/net/udp_protocol.py", line 295, in process_control
2020-03-24 12:39:56,126 client   1 @40.042     fail_cb_seq()
2020-03-24 12:39:56,126 client   1 @40.042 TypeError: send_control_failed() takes 0 positional arguments but 1 was given
2020-03-24 12:40:16,583 client   1 @00.814 Unhandled error while processing a 'udp-control' packet from peer using <bound method XpraClientBase._process_udp_control of gtk3.client>
2020-03-24 12:40:16,594 client   1 @00.814   File "/usr/lib64/python3.7/site-packages/xpra/client/client_base.py", line 951, in process_packet
2020-03-24 12:40:16,594 client   1 @00.814     handler(packet)
2020-03-24 12:40:16,615 client   1 @00.814   File "/usr/lib64/python3.7/site-packages/xpra/client/client_base.py", line 315, in _process_udp_control
2020-03-24 12:40:16,615 client   1 @00.814     self._protocol.process_control(*packet[1:])
2020-03-24 12:40:16,773 client   1 @00.814   File "/usr/lib64/python3.7/site-packages/xpra/net/udp_protocol.py", line 295, in process_control
2020-03-24 12:40:16,773 client   1 @00.814     fail_cb_seq()
2020-03-24 12:40:32,292 Warning: timeout on screen updates for window 1,
2020-03-24 12:40:32,292  already delayed for more than 15 seconds
2020-03-24 12:40:32,711 New unix-domain connection received
2020-03-24 12:40:32,712  on '/run/user/10000/xpra/jumphost-2.photeon.local-0'
2020-03-24 12:40:32,714 Handshake complete; enabling connection
2020-03-24 12:40:32,717 Python2/GObject client version 3.0.7-r25627 64-bit
2020-03-24 12:40:32,717  connected from 'jumphost-2.photeon.local' as 'niki2'
2020-03-24 12:40:33,684 New unix-domain connection received
2020-03-24 12:40:33,684  on '/run/user/10000/xpra/jumphost-2.photeon.local-0'
2020-03-24 12:40:33,721 Shutting down in response to client request
2020-03-24 12:40:33,725 Disconnecting client ('192.168.255.240', 45684):
2020-03-24 12:40:33,725  server shutdown
2020-03-24 12:40:33,727 xpra client 1 disconnected.
2020-03-24 12:40:33,727 Disconnecting client /run/user/10000/xpra/jumphost-2.photeon.local-0:
2020-03-24 12:40:33,728  server shutdown
2020-03-24 12:40:33,729 xpra client 2 disconnected.
2020-03-24 12:40:34,242 killing xvfb with pid 55054
2020-03-24 12:40:34,242 closing udp socket 0.0.0.0:14567
2020-03-24 12:40:34,242 removing socket '/run/user/10000/xpra/jumphost-2.photeon.local-0'
xterm: fatal IO error 11 (Resource temporarily unavailable) or KillClient on X server ":0"
(II) Server terminated successfully (0). Closing log file.