fatal server error

[sneha_t]

Dear sir/madam,

I got fatal error in xserver when i am using matlab through xserver. I 
got below error.



[root at localhost joydeep]# /sbin/iptables -F
[root at localhost joydeep]# X :1 -query 192.168.54.154

X.Org X Server 1.14.4
Release Date: 2013-10-31
X Protocol Version 11, Revision 0
Build Operating System:  3.10.9-200.fc19.x86_64
Current Operating System: Linux localhost.localdomain 
3.9.5-301.fc19.x86_64 #1 SMP Tue Jun 11 19:39:38 UTC 2013 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-3.9.5-301.fc19.x86_64 
root=/dev/mapper/fedora-root ro rd.lvm.lv=fedora/swap rd.md=0 rd.dm=0 
vconsole.keymap=us rd.luks=0 vconsole.font=latarcyrheb-sun16 
rd.lvm.lv=fedora/root rhgb quiet
Build Date: 13 November 2013  07:28:45AM
Build ID: xorg-x11-server 1.14.4-3.fc19
Current version of pixman: 0.30.0
	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: "/var/log/Xorg.1.log", Time: Tue May 30 14:35:18 2017
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
setversion 1.4 failed
Initializing built-in extension Generic Event Extension
Initializing built-in extension SHAPE
Initializing built-in extension MIT-SHM
Initializing built-in extension XInputExtension
Initializing built-in extension XTEST
Initializing built-in extension BIG-REQUESTS
Initializing built-in extension SYNC
Initializing built-in extension XKEYBOARD
Initializing built-in extension XC-MISC
Initializing built-in extension XINERAMA
Initializing built-in extension XFIXES
Initializing built-in extension RENDER
Initializing built-in extension RANDR
Initializing built-in extension COMPOSITE
Initializing built-in extension DAMAGE
Initializing built-in extension MIT-SCREEN-SAVER
Initializing built-in extension DOUBLE-BUFFER
Initializing built-in extension RECORD
Initializing built-in extension DPMS
Initializing built-in extension X-Resource
Initializing built-in extension XVideo
Initializing built-in extension XVideo-MotionCompensation
Initializing built-in extension SELinux
Initializing built-in extension XFree86-VidModeExtension
Initializing built-in extension XFree86-DGA
Initializing built-in extension XFree86-DRI
Initializing built-in extension DRI2
Loading extension GLX
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Internal error:   Could not resolve keysym XF86AudioMicMute
Errors from xkbcomp are not fatal to the X server
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Internal error:   Could not resolve keysym XF86AudioMicMute
Errors from xkbcomp are not fatal to the X server
setversion 1.4 failed
(EE)
Fatal server error:
(EE) (EE) BUG: triggered 'if (f[f_idx])'
(EE) BUG: log.c:464 in pnprintf()
(EE) Unsupported printf directive '*'
(EE)
(EE) Backtrace:
(EE) 0: X (LogVMessageVerbSigSafe+0x87d) [0x46d97d]
(EE) 1: X (FatalError+0xd5) [0x46dc45]
(EE) 2: X (CheckUserAuthorization+0x1d62) [0x4753c2]
(EE) 3: X (CheckUserAuthorization+0x212d) [0x475ded]
(EE) 4: X (WakeupHandler+0x6d) [0x43b3dd]
(EE) 5: X (WaitForSomething+0x1af) [0x46693f]
(EE) 6: X (SendErrorToClient+0xe1) [0x436f01]
(EE) 7: X (_init+0x3aa2) [0x429db2]
(EE) 8: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x3b69421b45]
(EE) 9: X (_start+0x29) [0x426a21]
(EE) 10: ? (?+0x29) [0x29]
(EE)
XDMCP fatal error: Session declined %*.*s
(EE)
(EE)
Please consult the Fedora Project support
	 at http://wiki.x.org
  for help.
(EE) Please also check the log file at "/var/log/Xorg.1.log" for 
additional information.
(EE)
(II) AIGLX: Suspending AIGLX clients for VT switch
(EE) Server terminated with error (1). Closing log file.



please solve this problem as soon as possible



-- 
Sneha Rani
CSSC,ISI KOLKATA