parse_vt_settings /dev/tty0 (permission denied)

Question

I am trying to run xinit chromium-browser some_settings address:port in /home/pi/.bashrc file.

What it does in first version of "Jessie PIXEL" is open chromium browser on start up after console auto-login and opens the page address:port.

In new version of Jessie PIXEL I get the following error:

[ 513.403]
X.Org X Server 1.18.4
Release Date: 2016-07-19< [ 513.403] X Protocol Version 11, Revision 0
[
513.403] Build Operating System: Linux 4.4.26-v7+ armv7l Raspbian
[ 513.403] Current Operating System: Linux raspberrypi 4.4.38-v7+ !!938 SMP Thu Dec 15 15:22:21 GMT 2016 armv7l
[ 513.403] Kernel command line: 8250.nr_uarts=1 dma.dmachans=0x7f35 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 bcm2709.boardrev=0x2a02082 bcm2709.serial=0xff00$
[ 513.403] Build Date: 11 November 2016 11:59:59AM
[ 513.403] xorg-server 2:1.18.4-2+rpi1 (https://www.debian.org/support)
[ 513.403] Current version of pixman: 0.33.3
[ 513.403] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version.
[ 513.403] Markers: (--) probed, () from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 513.403] (==) Log file: "/home/pi/.local/share/xorg/Xorg.0.log", Time: Fri Dec 23 09:46:08 2016
[ 513.404] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 513.404] (==) No Layout section. Using the first Screen section.
[ 513.404] (==) No screen section available. Using defaults.
[ 513.405] () |-->Screen "Default Screen Section" (0)
[ 513.405] () | |-->Monitor ""
[ 513.405] (==) No device specified for screen "Default Screen Section". Using the first device section listed.
[ 513.405] () | |-->Device "Allwinner A10/A13 FBDEV"
[ 513.405] (==) No monitor specified for screen "Default Screen Section". Using a default monitor configuration.
[ 513.405] (==) Automatically adding devices
[ 513.405] (==) Automatically enabling devices
[ 513.405] (==) Automatically adding GPU devices
[ 513.405] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 513.405] (WW) The directory "/usr/share/fonts/X11/misc" does not exist.
[ 513.405] Entry deleted from font path.
[ 513.405] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 513.405]
Entry deleted from font path.
[ 513.405] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 513.405]
Entry deleted from font path.
[ 513.405] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 513.405]
Entry deleted from font path.
[ 513.405] (==) FontPath set to:
/usr/share/fonts/X11/100dpi/:unscaled,
/usr/share/fonts/X11/Type1,
/usr/share/fonts/X11/100dpi,
built-ins
[ 513.405] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 513.405] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 513.406] (II) Loader magic: 0x54d5cf20
[ 513.406] (II) Module ABI versions:
[ 513.406] X.Org ANSI C Emulation: 0.4
[ 513.406] X.Org Video Driver: 20.0
[
513.406] X.Org XInput driver : 22.1
[ 513.406] X.Org Server Extension : 9.0
[ 513.411] (II) systemd-logind: took control of session /org/freedesktop/login1/session/c2
[
513.411] (II) no primary bus or device found
[ 513.411] (II) LoadModule: "glx"
[ 513.412] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 513.416] (II) Module glx: vendor="X.Org Foundation"
[ 513.416] compiled for 1.18.4, module version = 1.0.0
[ 513.416] ABI class: X.Org Server Extension, version 9.0
[ 513.416] (==) AIGLX enabled
[ 513.416] (II) LoadModule: "fbturbo"
[ 513.416] (II) Loading /usr/lib/xorg/modules/drivers/fbturbo_drv.so
[
513.417] (II) Module fbturbo: vendor="X.Org Foundation"
[ 513.417] compiled for 1.18.4, module version = 0.5.1
[ 513.417] Module class: X.Org Video Driver
[ 513.417] ABI class: X.Org Video Driver, version 20.0
[ 513.417] (II) FBTURBO: driver for framebuffer: fbturbo
[ 513.417] (EE)
Fatal server error:
[ 513.417] (EE) parse_vt_settings: Cannot open /dev/tty0 (Permission denied)
[ 513.417] (EE)
[
513.417] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org for help.
[ 513.417] (EE) Please also check the log file at
"/home/pi/.local/share/xorg/Xorg.0.log" for additional information.
[ 513.417] (EE)
[ 513.418] (WW) xf86CloseConsole: KDSETMODE failed: Bad file descriptor
[
513.418] (WW) xf86CloseConsole: VT_GETMODE failed: Bad file descriptor
[ 513.419] (EE) Server terminated with error (1). Closing log file.

Does anybody know where lies the problem?

PS If You see '*' in the log it was '**' but that is bold text
Also there is '!!' in log that was '#' but thats bold

Answer 1

I encountered the same issue. How I solve this was:

1. create new user named teacher
2. grant all groups that pi has
3. cp the /etc/suders.d/010_pi-nopasswd and rename the inner username to teacher
4. startx and it works.

Be careful: don't run startx in byobu, some bugs.

Answer 2

In particular, you want to add your user to the tty group to resolve this specific issue.

gpasswd -a pi tty

where pi is your user.

Answer 3

I found a solution:

I don't use .bashrc anymore and I fully moved to rc.local.

sudo node /home/pi/server/server.js &

xinit /usr/bin/chromium-browser --no-sandbox --window-size=1920,1080 --noerrdialogs --start-fullscreen --start-maximized --disable-notifications --disable-infobars --kiosk --incognito http://localhost:3000 -- -nocursor &

exit 0

What this does is runs node.js server on port 3000 and runs chromium on localhost:3000 with no mouse cursor and fully sized chromium browser in something like 15-20 sec time.

Now working on showing it without going blank. Still no success, HELP!

EDIT: If chromium appears with borders use this:

xinit /usr/bin/chromium-browser --no-sandbox --window-position=0,0 --window-size=1920,1080 --noerrdialogs --disable-notifications --disable-infobars --kiosk --incognito http://localhost:3000 -- -nocursor &