[abrt] xorg-x11-server-Xorg-1.13.0-7.el6: Process /usr/bin/Xorg was killed by signal 6 (SIGABRT)

Issue

以下のような kill された Xorg があります。

abrt_version:   2.0.8
cmdline:        /usr/bin/Xorg :0 -nr -verbose -audit 4 -auth /var/run/gdm/auth-for-gdm-Vd0KXJ/database -nolisten tcp vt1
executable:     /usr/bin/Xorg
kernel:         2.6.32-343.el6.x86_64
open_fds:       
os_release.BAK:Red Hat Enterprise Linux Server release 6.4 Beta (Santiago)
pid:            7824
pwd:            /var/gdm
time:           Tue 04 Dec 2012 03:28:57 PM CET
uid:            0
username:       root

maps:           Text file, 16693 bytes
sosreport.tar.xz:Binary file, 635624 bytes

[New Thread 7824]
[Thread debugging using libthread_db enabled]
Core was generated by `/usr/bin/Xorg :0 -nr -verbose -audit 4 -auth /var/run/gdm/auth-for-gdm-Vd0KXJ/d'.
Program terminated with signal 6, Aborted.
#0  0x00007f8d61e2f8a5 in raise () from /lib64/libc.so.6

Thread 1 (Thread 0x7f8d6492f920 (LWP 7824)):
#0  0x00007f8d61e2f8a5 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f8d61e31085 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x0000000000473c6e in OsAbort ()
No symbol table info available.
#3  0x000000000048d677 in ddxGiveUp ()
No symbol table info available.
#4  0x0000000000470932 in ??()
No symbol table info available.
#5  0x0000000000471944 in FatalError ()
No symbol table info available.
#6  0x0000000000472b2e in ??()
No symbol table info available.
#7  <signal handler called>
No symbol table info available.
#8  0x00007f8d61e868c0 in memcpy () from /lib64/libc.so.6
No symbol table info available.
#9  0x00007f8d60c16b8e in ??() from /usr/lib64/xorg/modules/drivers/mga_drv.so
No symbol table info available.
#10 0x00007f8d5fdb471f in ??() from /usr/lib64/xorg/modules/libshadowfb.so
No symbol table info available.
#11 0x00000000005942ea in miPaintWindow ()
No symbol table info available.
#12 0x0000000000594838 in miWindowExposures ()
No symbol table info available.
#13 0x00000000005ac8d8 in miHandleValidateExposures ()
No symbol table info available.
#14 0x00000000004648ff in MapWindow ()
No symbol table info available.
#15 0x00000000004360e0 in ??()
No symbol table info available.
#16 0x0000000000437e19 in ??()
No symbol table info available.
#17 0x000000000047cbca in ??()
No symbol table info available.
#18 0x00007f8d61e1bcdd in __libc_start_main () from /lib64/libc.so.6
No symbol table info available.
#19 0x00000000004260b9 in _start ()
No symbol table info available.
From                To                  Syms Read   Shared Object Library
0x00007f8d64540100  0x00007f8d6454a488  Yes (*)     /usr/lib64/libhal.so.1
0x00007f8d643031c0  0x00007f8d6432a7b8  Yes (*)     /lib64/libdbus-1.so.3
0x00007f8d640e2850  0x00007f8d640f2c78  Yes (*)     /lib64/libselinux.so.1
0x00007f8d63d9fa00  0x00007f8d63e671c8  Yes (*)     /usr/lib64/libcrypto.so.10
0x00007f8d63b3fde0  0x00007f8d63b40998  Yes (*)     /lib64/libdl.so.2
0x00007f8d639391e0  0x00007f8d6393d668  Yes (*)     /usr/lib64/libpciaccess.so.0
0x00007f8d6371f660  0x00007f8d6372aeb8  Yes (*)     /lib64/libpthread.so.0
0x00007f8d63512080  0x00007f8d63516f58  Yes (*)     /usr/lib64/libdrm.so.2
0x00007f8d63291020  0x00007f8d632fc268  Yes (*)     /usr/lib64/libpixman-1.so.0
0x00007f8d6305af80  0x00007f8d6307a558  Yes (*)     /usr/lib64/libXfont.so.1
0x00007f8d62e4fdd0  0x00007f8d62e50b58  Yes (*)     /usr/lib64/libXau.so.6
0x00007f8d62c4b290  0x00007f8d62c4cd58  Yes (*)     /usr/lib64/libXdmcp.so.6
0x00007f8d62a46f60  0x00007f8d62a47c18  Yes (*)     /lib64/libpam_misc.so.0
0x00007f8d6283a3d0  0x00007f8d628411f8  Yes (*)     /lib64/libpam.so.0
0x00007f8d6261e5b0  0x00007f8d626241e8  Yes (*)     /lib64/libaudit.so.1
0x00007f8d6239be70  0x00007f8d623dbec8  Yes (*)     /lib64/libm.so.6
0x00007f8d62192140  0x00007f8d621954f8  Yes (*)     /lib64/librt.so.1
0x00007f8d61e1ba20  0x00007f8d61f3c72c  Yes (*)     /lib64/libc.so.6
0x00007f8d6474db00  0x00007f8d6476685b  Yes (*)     /lib64/ld-linux-x86-64.so.2
0x00007f8d61be9120  0x00007f8d61bf43a8  Yes (*)     /lib64/libz.so.1
0x00007f8d61956850  0x00007f8d619bf388  Yes (*)     /usr/lib64/libfreetype.so.6
0x00007f8d617445b0  0x00007f8d61746f48  Yes (*)     /usr/lib64/libfontenc.so.1
0x00007f8d6150cc00  0x00007f8d615119a8  Yes (*)     /lib64/libcrypt.so.1
0x00007f8d612ad2b0  0x00007f8d612ec078  Yes (*)     /lib64/libfreebl3.so
0x00007f8d61096910  0x00007f8d610a6f18  Yes (*)     /lib64/libgcc_s.so.1
0x00007f8d60e30ad0  0x00007f8d60e6e208  Yes (*)     /usr/lib64/xorg/modules/extensions/libglx.so
0x00007f8d60c07210  0x00007f8d60c1f818  Yes (*)     /usr/lib64/xorg/modules/drivers/mga_drv.so
0x00007f8d601e2730  0x00007f8d601e5fa8  Yes (*)     /usr/lib64/xorg/modules/libvgahw.so
0x00007f8d5e7db520  0x00007f8d5e7dddc8  Yes (*)     /usr/lib64/xorg/modules/libvbe.so
0x00007f8d5e5bc1d0  0x00007f8d5e5d13f8  Yes (*)     /usr/lib64/xorg/modules/libint10.so
0x00007f8d5ffc0250  0x00007f8d5ffdb938  Yes (*)     /usr/lib64/xorg/modules/libfb.so
0x00007f8d5fdb2c00  0x00007f8d5fdb87c8  Yes (*)     /usr/lib64/xorg/modules/libshadowfb.so
0x00007f8d5ebadf20  0x00007f8d5ebafea8  Yes (*)     /usr/lib64/dri/swrast_dri.so
0x00007f8d5da71fc0  0x00007f8d5dc62d18  Yes (*)     /usr/lib64/libdricore9.0.0.so.1
0x00007f8d5d7e7cd0  0x00007f8d5d800c88  Yes (*)     /lib64/libexpat.so.1
0x00007f8d5d5343f0  0x00007f8d5d5a1376  Yes (*)     /usr/lib64/libstdc++.so.6
0x00007f8d5d2d4060  0x00007f8d5d2da8a8  Yes (*)     /usr/lib64/xorg/modules/input/evdev_drv.so
0x00007f8d5d0ccec0  0x00007f8d5d0cf3d8  Yes (*)     /usr/lib64/libmtdev.so.1
0x00007f8d5cec0930  0x00007f8d5cec7a68  Yes (*)     /lib64/libudev.so.0
0x00007f8d5ccb21f0  0x00007f8d5ccba648  Yes (*)     /lib64/libnss_files.so.2
(*):Shared library is missing debugging information.
$1 = 0x0
No symbol table is loaded.Use the "file" command.
rax            0x0      0
rbx            0x1      1
rcx            0xffffffffffffffff       -1
rdx            0x6      6
rsi            0x1e90   7824
rdi            0x1e90   7824
rbp            0x7f8d5e5d7c73   0x7f8d5e5d7c73
r8             0x7f8d6492f920   140245254469920
r9             0x7f8d6492f920   140245254469920
r10            0x8      8
r11            0x3206   12806
r12            0xb      11
r13            0x249ff80        38403968
r14            0xa2     162
r15            0xf00    3840
rip            0x7f8d61e2f8a5   0x7f8d61e2f8a5 <raise+53>
eflags         0x3206   [ PF IF #12 #13 ]
cs             0x33     51
ss             0x2b     43
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0