X not starting on Tegra Harmony

[Satya Swaroop Damarla]

Hi Guys,

I have a problem which may be small and simple but for the moment its
keeping me on pins and needles.....

I have a board which is a special version of Tegra Harmony board from
NVIDIA Tegra. I am using OpenYocto project to create a image and rootfs for
the board.

I successfully build the image and rootfs but there is an error in the
xserver getting started. The X is not able to identify any devices and
hence cannot be configured but I have a LCD display cum Touchscreen. The
keyboard is properly configured. On doing fbset in the terminal I get the
following output

mode "800x480-0"
        # D: 0.000 MHz, H: 0.000 kHz, V: 0.000 Hz
        geometry 800 480 800 960 32
        timings 0 0 0 0 0 0 0
        accel false
        rgba 8/0,8/8,8/16,8/24
endmode

When I try to configure X by "X -configure" using sudo rights I have the
following log error

1597745.608] _XSERVTransSocketOpenCOTSServer: Unable to open socket for
inet6
[1597745.608] _XSERVTransOpen: transport open failed for
inet6/skidata-harmony:0
[1597745.608] _XSERVTransMakeAllCOTSServerListeners: failed to open
listener for
[1597745.626]
X.Org X Server 1.12.4
Release Date: 2012-08-27
[1597745.626] X Protocol Version 11, Revision 0
[1597745.626] Build Operating System: Linux 3.5.0-25-generic x86_64
[1597745.626] Current Operating System: Linux skidata-harmony
3.1.10-skidata #2
[1597745.626] Kernel command line: mem=384M at 0M nvmem=128M at 384M vmalloc=384M
vide
[1597745.627] Build Date: 12 March 2013  02:48:34PM
[1597745.627]
[1597745.627] Current version of pixman: 0.29.2
[1597745.627]   Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[1597745.627] Markers: (--) probed, (**) from config file, (==) default
setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[1597745.627] (==) Log file: "/var/log/Xorg.0.log", Time: Tue Mar 12
15:32:58 20
[1597745.627] (II) Loader magic: 0x17f5e8
[1597745.627] (II) Module ABI versions:
[1597745.627]   X.Org ANSI C Emulation: 0.4
[1597745.627]   X.Org Video Driver: 12.1
[1597745.627]   X.Org XInput driver : 16.0

[1597745.627]   X.Org Server Extension : 6.0

[1597745.632] List of video drivers:

[1597745.632]   modesetting

[1597745.632]   tegra

[1597745.632]   fbdev

[1597745.633] (II) LoadModule: "modesetting"

[1597745.637] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so

[1597745.658] (II) Module modesetting: vendor="X.Org Foundation"

[1597745.658]   compiled for 1.12.4, module version = 0.6.0

[1597745.658]   Module class: X.Org Video Driver

[1597745.658]   ABI class: X.Org Video Driver, version 12.1

[1597745.658] (II) LoadModule: "tegra"

[1597745.660] (II) Loading /usr/lib/xorg/modules/drivers/tegra_drv.so

[1597745.815] (II) Module tegra: vendor="X.Org Foundation"

[1597745.816]   compiled for 1.11.99.901, module version = 0.4.0

[1597745.816]   Module class: X.Org Video Driver

[1597745.816]   ABI class: X.Org Video Driver, version 12.0

[1597745.816] (II) LoadModule: "fbdev"

[1597745.817] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[1597745.823] (II) Module fbdev: vendor="X.Org Foundation"
[1597745.823]   compiled for 1.12.4, module version = 0.4.3
[1597745.823]   Module class: X.Org Video Driver
[1597745.823]   ABI class: X.Org Video Driver, version 12.1

[1597745.823] (WW) Falling back to old probe method for modesetting
[1597745.823] (WW) Falling back to old probe method for tegra
[1597745.823] (WW) Falling back to old probe method for fbdev
[1597745.823] No devices to configure.  Configuration failed.

I dont understand why it is not identifying my screen(my display). If I
just start "startx", it is freezing. I have been fighting with it for about
a week and finally came here... Help would be greatly appreciated and
indebted

Greets,
Satya
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