Problem with starting x as a non-root user on Ubuntu 16.10 #4
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Thanks for your feedback! I have changed ' GETROOT="" ' to ' GETROOT="bash -c " ' in version 1.5.8 , this affected members of group docker and use cases of option --root. (By the way, it is discouraged to be member of group docker, as it means to have root privileges as a normal user. But that is not the point here, thanks for pointing me to this bug and its solution) I'm a bit curious why there are problems in Ubuntu 16.10 starting a new core X server. Afaik Ubuntu still uses X as default instead of Wayland or Mir? Is package x11-common installed on your system? " xf86OpenConsole: Cannot open virtual console 7 (Permission denied)": Normally, virtual console 7 is used by X on display :0, and there should be a file /tmp/.X11-unix/X0. Does this file miss on your system? |
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I can confirm the problem for Ubuntu 16.04, just checked in VirtualBox. Solution:
I will integrate this in x11docker and its documentation. |
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bugs fixed, x11docker and documentation updated |
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thx for you tip, but it does not work for me. I get this error message :( when i run full log-> ./x11docker -v -exec xeye
x11docker WARNING: could not find VirtualGL.
It has to be installed on host to use option --virtualgl.
You can get in here: http://www.virtualgl.org/
Fallback: disabling option --virtualgl
x11docker WARNING: could not find executable 'xpra'.
Try 'apt-get install xpra' to install xpra.
Fallback: x11docker will try to use Xephyr (option --xephyr)
x11docker WARNING: could not find executable 'Xephyr'.
Try 'apt-get install xephyr' to install Xephyr.
Fallback: x11docker will try to use core X (option --X11)
x11docker WARNING: Need a window manager, but not found.
Will look for another one. Look at 'x11docker --help' to see a list
of recommended window managers.
x11docker WARNING: Will use window manager '/usr/bin/xfwm4'
x11docker WARNING: Cannot share clipboard. Need package 'xclip' to be
installed. Try installing xclip with command: 'apt-get install xclip'
x11docker: Found free display :1
x11docker: As X server will be used: X11
x11docker: IP of docker interface is 172.17.0.1/16
x11docker: As display for the container :1 will be used
x11docker: Created docker command:
# dontrundocker xeye
x11docker: Created X server command:
/usr/bin/X :1 vt8 +extension Composite +extension RANDR +extension RENDER +extension GLX +extension XVideo +extension DOUBLE-BUFFER +iglx +extension X-Resource +extension SECURITY +extension DAMAGE -auth /home/sodd/.cache/x11docker/X1/Xservercookie -retro -extension MIT-SHM -nolisten tcp +extension XFree86-DRI +extension XFree86-DGA +extension XFree86-VidModeExtension -verbose -extension XTEST
x11docker: Found window manager: '/usr/bin/xfwm4'
x11docker: Created xinitrc: #! /bin/bash
set -x # make bash verbose
BGPIDFILE=/home/sodd/.cache/x11docker/X1/backgroundpids
storepid ()
{
echo $1 $2 >> $BGPIDFILE
}
# set X variables to host display
export DISPLAY=:0.0
export XAUTHORITY=/home/sodd/.Xauthority
no_xhost ()
{
xhost | tail -n +2 /dev/stdin | while read LINE; do
xhost -$LINE;
done;
xhost -
}
# create empty Xcookie file
:> /home/sodd/.cache/x11docker/X1/Xclientcookie
# set X variables to new display
export DISPLAY=:1
export XAUTHORITY=/home/sodd/.cache/x11docker/X1/Xclientcookie
# set background color of root window. #7F7F7F is color of xfwm4 background
xsetroot -solid "#7F7F7F"
# create new XAUTHORITY cookies
xauth generate :1 . untrusted
cp /home/sodd/.cache/x11docker/X1/Xclientcookie /home/sodd/.cache/x11docker/X1/Xservercookie
xauth list
# start window manager, if defined
/usr/bin/xfwm4 &
WINDOWMANAGERPID=$!
storepid $! xfwm4
# disable any possible access to new X server granted by xhost
no_xhost
# run host application (window manager is already running)
xeye &
storepid $! xeye
wait $!
# clean up background jobs
# ( can already be empty, see case onlyX above. maybe window manager wasn't running at all)
XINITJOBSTOKILL="$XINITJOBSTOKILL $WINDOWMANAGERPID"
for ARGUMENT in $XINITJOBSTOKILL ; do kill $ARGUMENT ; done
# set X variables back to host display
export DISPLAY=:0.0
export XAUTHORITY=/home/sodd/.Xauthority
cat: /home/sodd/.cache/x11docker/X1/xtermrc: No such file or directory
x11docker: Created xtermrc:
x11docker: Logfiles are:
/home/sodd/.cache/x11docker/X1/xinit.log
/home/sodd/.cache/x11docker/X1/xpraserver.log
/home/sodd/.cache/x11docker/X1/xterm.log
/home/sodd/.cache/x11docker/X1/docker.log
x11docker: Running X server X11 on display :1 now ...
==> /home/sodd/.cache/x11docker/X1/xinit.log <==
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 ntb-sodd 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-4.4.0-62-generic.efi.signed root=UUID=640c3f5a-1887-4faf-bf8f-7b72286f179f ro rootflags=subvol=@
Build Date: 02 November 2016 10:06:10PM
xorg-server 2:1.18.4-0ubuntu0.2 (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: "/home/sodd/.local/share/xorg/Xorg.1.log", Time: Sat Feb 11 19:39:33 2017
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(==) No Layout section. Using the first Screen section.
(==) No screen section available. Using defaults.
(**) |-->Screen "Default Screen Section" (0)
(**) | |-->Monitor "<default monitor>"
(==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
(==) Automatically adding devices
(==) Automatically enabling devices
(==) Automatically adding GPU devices
(==) Max clients allowed: 256, resource mask: 0x1fffff
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
Entry deleted from font path.
(==) FontPath set to:
/usr/share/fonts/X11/misc,
/usr/share/fonts/X11/Type1,
built-ins
(==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
(II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
(++) using VT number 8
(II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
(II) xfree86: Adding drm device (/dev/dri/card0)
(EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
(II) config/udev: Ignoring already known drm device (/dev/dri/card0)
(--) PCI:*(0:0:2:0) 8086:1616:1028:062c rev 9, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, I/O @ 0x0000f000/64
(II) Loading /usr/lib/xorg/modules/extensions/libglx.so
(II) Module glx: vendor="X.Org Foundation"
compiled for 1.18.4, module version = 1.0.0
(==) AIGLX enabled
(==) Matched intel as autoconfigured driver 0
(==) Matched modesetting as autoconfigured driver 1
(==) Matched fbdev as autoconfigured driver 2
(==) Matched vesa as autoconfigured driver 3
(==) Assigned the driver to the xf86ConfigLayout
(II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
(II) Module intel: vendor="X.Org Foundation"
compiled for 1.18.4, module version = 2.99.917
(II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
(II) Module modesetting: vendor="X.Org Foundation"
compiled for 1.18.4, module version = 1.18.4
(II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
(II) Module fbdev: vendor="X.Org Foundation"
compiled for 1.18.1, module version = 0.4.4
(II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
(II) Module vesa: vendor="X.Org Foundation"
compiled for 1.18.1, module version = 2.3.4
(II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
(II) intel: Driver for Intel(R) HD Graphics: 2000-6000
(II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
(II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300
(II) modesetting: Driver for Modesetting Kernel Drivers: kms
(II) FBDEV: driver for framebuffer: fbdev
(II) VESA: driver for VESA chipsets: vesa
(EE)
Fatal server error:
(EE) xf86OpenConsole: Cannot open virtual console 8 (Permission denied)
(EE)
(EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
(EE) Please also check the log file at "/home/sodd/.local/share/xorg/Xorg.1.log" for additional information.
(EE)
(WW) xf86CloseConsole: KDSETMODE failed: Bad file descriptor
(WW) xf86CloseConsole: VT_GETMODE failed: Bad file descriptor
(EE) Server terminated with error (1). Closing log file.
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error
./x11docker: line 457: 2581 Terminated tail --retry -n +1 -F $XTERMLOGFILE $DOCKERLOGFILE $XPRALOGFILE $XINITLOGFILE 2> /dev/null |
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Hello sodd, |
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First of all, dpkg-reconfigure x11-common does not have expected result on Ubuntu 16.10 because Xwrapper is not present. It can be installed with xserver-xorg-legacy package, but still x11docker doesn't work as expected.
I've got non-root user that's a member of "docker" group.
When I try to start x11docker with verbose option, I see following message:
" xf86OpenConsole: Cannot open virtual console 7 (Permission denied)"
Also I needed to change every occurence of ' GETROOT="" ' to ' GETROOT="bash -c " ' because of another issue (when GETROOT variable is empty, x11docker says "file not found" because whole command is quoted and bash treats it as a file).
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