X.Org X Server 1.18.4
Release Date: 2016-07-19
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-45-generic x86_64 Ubuntu
Current Operating System: Linux linuxhostname 4.8.0-52-generic #55-Ubuntu SMP Fri Apr 28 13:28:50 UTC 2017 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-4.8.0-52-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=7
Build Date: 02 November 2016  10:06:55PM
xorg-server 2:1.18.4-1ubuntu6.1 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.33.6
	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/1000/xpra/Xorg.:42.log", Time: Sun Jun 11 15:04:30 2017
(++) Using config file: "/etc/xpra/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
2017-06-11 15:04:30,895 created unix domain socket: /home/uzer/.xpra/linuxhostname-42
2017-06-11 15:04:30,895 Warning: cannot create socket '/var/run/xpra/linuxhostname-42'
2017-06-11 15:04:30,895  [Errno 13] Permission denied
2017-06-11 15:04:30,895  user 'uzer' is a member of groups: adm, cdrom, sudo, dip, plugdev, lpadmin, sambashare
2017-06-11 15:04:30,895   (missing 'xpra' group membership?)
2017-06-11 15:04:30,895  permissions on directory /var/run/xpra: 0770
2017-06-11 15:04:30,895   ownership root:xpra
2017-06-11 15:04:31,887 pulseaudio server started with pid 22676
E: [pulseaudio] pid.c: Daemon already running.
2017-06-11 15:04:32,467 GStreamer version 1.8.3 for Python 2.7.12 64-bit
2017-06-11 15:04:32,480 D-Bus notification forwarding is available
2017-06-11 15:04:32,487 started command 'xfce4-terminal' with pid 22696
2017-06-11 15:04:32,487 xpra X11 version 2.0.2-r15657 64-bit
2017-06-11 15:04:32,488  uid=1000 (uzer), gid=1000 (uzer)
2017-06-11 15:04:32,488  running with pid 22635 on Linux Ubuntu 16.10 yakkety
2017-06-11 15:04:32,488  connected to X11 display :42 with 24 bit colors
2017-06-11 15:04:32,548 xpra is ready.
Xlib:  extension "GLX" missing on display ":42".
2017-06-11 15:04:32,603 New unix-domain connection received on /home/uzer/.xpra/linuxhostname-42
Failed to connect to session manager: Failed to connect to the session manager: SESSION_MANAGER environment variable not defined
2017-06-11 15:04:33,252 New unix-domain connection received on /home/uzer/.xpra/linuxhostname-42
2017-06-11 15:04:33,477 Warning: pulseaudio has terminated shortly after startup.
2017-06-11 15:04:33,477  pulseaudio is limited to a single instance per user account,
2017-06-11 15:04:33,477  and one may be running already for user 'uzer'
2017-06-11 15:04:33,477  to avoid this warning, either fix the pulseaudio command line
2017-06-11 15:04:33,477  or use the 'pulseaudio=no' option
2017-06-11 15:04:34,250 printer forwarding enabled using postscript and pdf
2017-06-11 15:04:34,250 15.6GB of system memory
2017-06-11 15:04:34,253 processed info request from unix-domain socket:/home/uzer/.xpra/linuxhostname-42 in 1000ms
2017-06-11 15:04:34,335 New unix-domain connection received on /home/uzer/.xpra/linuxhostname-42
2017-06-11 15:04:34,338 Handshake complete; enabling connection
2017-06-11 15:04:34,342 Python/Gtk2 FreeBSD 11.0-RELEASE-p9 client version 2.0.2-r15657 64-bit
2017-06-11 15:04:34,342  connected from 'FreeBSDhostname' as 'uzer'
2017-06-11 15:04:34,342  automatic picture encoding enabled
2017-06-11 15:04:34,342  also available:
2017-06-11 15:04:34,342   h264, vp9, vp8, png, png/P, png/L, rgb24, jpeg, rgb32
2017-06-11 15:04:34,343  client root window size is 1920x1080 with 1 display:
2017-06-11 15:04:34,343   :0.0 (602x343 mm - DPI: 81x79) workarea: 1823x1080
2017-06-11 15:04:34,343     monitor 1 (597x336 mm - DPI: 81x81)

(xfce4-terminal:22697): Gtk-WARNING **: Allocating size to GtkScrollbar 0x55dbf8d7a3b0 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
2017-06-11 15:04:34,396 server virtual display now set to 1920x1080
2017-06-11 15:04:34,397 setting key repeat rate from client: 500ms delay / 50ms interval
2017-06-11 15:04:34,398 setting keymap: rules=xorg, model=geniuscomfy2, layout=us,ru
2017-06-11 15:04:34,427 DPI set to 23 x 25 (wanted 81 x 80)
2017-06-11 15:04:34,427  you may experience scaling problems, such as huge or small fonts, etc
2017-06-11 15:04:34,427  to fix this issue, try the dpi switch, or use a patched Xorg dummy driver
2017-06-11 15:04:34,766 using monitor of default sink: Monitor of Built-in Audio Analog Stereo
2017-06-11 15:04:35,450 client 1: do_send_printers()
2017-06-11 15:04:35,450 client 1:   File "/usr/local/lib/python2.7/site-packages/xpra/client/client_base.py", line 727, in do_send_printers
2017-06-11 15:04:35,450 client 1:     printers = get_printers()
2017-06-11 15:04:35,450 client 1:   File "/usr/local/lib/python2.7/site-packages/xpra/platform/pycups_printing.py", line 398, in get_printers
2017-06-11 15:04:35,451 client 1:     all_printers = get_all_printers()
2017-06-11 15:04:35,451 client 1:   File "/usr/local/lib/python2.7/site-packages/xpra/platform/pycups_printing.py", line 402, in get_all_printers
2017-06-11 15:04:35,451 client 1:     conn = cups.Connection()
2017-06-11 15:04:35,856 sound source using audio codec opus
2017-06-11 15:04:36,351 sound source using container format ogg