LinuxCnc Error

Hello everyone i just installed Linuxcnc, and after doing the stepconf i tried to start up Linuxcnc and i got this error screen, and i have no idea what it means.

Print file information:
RUN_IN_PLACE=no
LINUXCNC_DIR=
LINUXCNC_BIN_DIR=/usr/bin
LINUXCNC_TCL_DIR=/usr/lib/tcltk/linuxcnc
LINUXCNC_SCRIPT_DIR=
LINUXCNC_RTLIB_DIR=/usr/realtime-2.6.32-122-rtai/modules/linuxcnc
LINUXCNC_CONFIG_DIR=
LINUXCNC_LANG_DIR=/usr/share/linuxcnc/tcl/msgs
INIVAR=inivar
HALCMD=halcmd
LINUXCNC_EMCSH=/usr/bin/wish8.5
LINUXCNC - 2.5.0
Machine configuration directory is '/home/john/linuxcnc/configs/My_V90'
Machine configuration file is 'My_V90.ini'
INIFILE=/home/john/linuxcnc/configs/My_V90/My_V90.ini
PARAMETER_FILE=linuxcnc.var
TASK=milltask
HALUI=halui
DISPLAY=axis
Starting LinuxCNC...
Starting LinuxCNC server program: linuxcncsvr
Loading Real Time OS, RTAPI, and HAL_LIB modules
Starting LinuxCNC IO program: io
Starting HAL User Interface program: halui
Starting TASK program: milltask
Starting DISPLAY program: axis
INFO CLASSICLADDER- No ladder GUI requested-Realtime runs till HAL closes.
Shutting down and cleaning up LinuxCNC...
Killing task linuxcncsvr, PID=19165
Killing task milltask, PID=19218
Removing HAL_LIB, RTAPI, and Real Time OS modules
Removing NML shared memory segments
Cleanup done

Debug file information:
Can not find -sec MOT -var MOT -num 1
Can not find -sec IO -var IO -num 1
Can not find -sec LINUXCNC -var NML_FILE -num 1
Can not find -sec EMC -var NML_FILE -num 1
/usr/bin/linuxcnc: line 687: 19219 Segmentation fault $EMCDISPLAY -ini "$INIFILE" $EMCDISPLAYARGS $EXTRA_ARGS
19165
PID TTY STAT TIME COMMAND
19218
PID TTY STAT TIME COMMAND
Stopping realtime threads
Unloading hal components

Kernel message information:
[ 5455.398251] I-pipe: Domain RTAI registered.
[ 5455.398256] RTAI[hal]: <3.8.1> mounted over IPIPE-NOTHREADS 2.6-03.
[ 5455.398259] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .
[ 5455.398287] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[ 5455.398290] PIPELINE layers:
[ 5455.398292] fc69ee20 9ac15d93 RTAI 200
[ 5455.398294] c085cb20 0 Linux 100
[ 5455.414891] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[ 5455.415010] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: <with RTAI OWN KTASKs>, kstacks pool size = 524288 bytes.
[ 5455.415015] RTAI[sched]: hard timer type/freq = APIC/16666298(Hz); default timing: periodic; linear timed lists.
[ 5455.415018] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 2666509000 hz.
[ 5455.415020] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns.
[ 5455.415082] RTAI[usi]: enabled.
[ 5455.448600] RTAI[math]: loaded.
[ 5455.557471] config string '0xD000 out '
[ 5455.570434] creating ladder-state
[ 5456.463235] axis[19219]: segfault at 4 ip 00b86ef6 sp bfcffcc0 error 4 in libGL.so.1.2[b21000+a7000]
[ 5457.038170] RTAI[math]: unloaded.
[ 5457.063902] SCHED releases registered named ALIEN RTGLBH
[ 5457.092243] RTAI[malloc]: unloaded.
[ 5457.192014] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[ 5457.193875] I-pipe: Domain RTAI unregistered.
[ 5457.193907] RTAI[hal]: unmounted.

Yes on the fresh install of Ubuntu/Linuxcnc. It had asked to update the video drivers for an old Ati 4850, which i did. Do i need to re-install again with out driver update?

1Mustang wrote:

Yes on the fresh install of Ubuntu/Linuxcnc. It had asked to update the video drivers for an old Ati 4850, which i did. Do i need to re-install again with out driver update?

yes , don't install any ATI proprietary/closed source drivers , this usualy is a source of incompatability with linuxcnc