Random Freezes/crashes en Centos 6.4

Hola Amigos,
Me dirijo a ustedes de nuevo como no por un nuevo problema :silbar:

A ver si me consigo explicar ya que es un tanto complejo.
Desde hace un mes o así, instalé Centos 6.4 en un servidor:
- Procesador: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz

Código:

[root@editado log]# lspci

00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.4 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 5 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation H77 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series/C210 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 09)

Bien, desoues de la info sigo con la otra:

[code]
[root@editado ~]# yum list installed
Installed Packages
ConsoleKit.x86_64 0.4.1-3.el6 @base
ConsoleKit-libs.x86_64 0.4.1-3.el6 @base
GConf2.x86_64 2.28.0-6.el6 @base
MAKEDEV.x86_64 3.24-6.el6 @anaconda-CentOS-201106060106.x86_64/6.0
MariaDB-client.x86_64 5.5.32-1 @mariadb
MariaDB-common.x86_64 5.5.32-1 @mariadb
MariaDB-compat.x86_64 5.5.32-1 @mariadb
MariaDB-server.x86_64 5.5.32-1 @mariadb
MariaDB-shared.x86_64 5.5.32-1 @mariadb
ORBit2.x86_64 2.14.17-3.2.el6_3 @base
PackageKit.x86_64 0.5.8-21.el6 @base
PackageKit-glib.x86_64 0.5.8-21.el6 @base
PackageKit-gtk-module.x86_64 0.5.8-21.el6 @base
PackageKit-yum.x86_64 0.5.8-21.el6 @base
PackageKit-yum-plugin.x86_64 0.5.8-21.el6 @base
SDL.x86_64 1.2.14-3.el6 @base
VirtualBox-4.2.x86_64 4.2.16_86992_el6-1 @virtualbox
acl.x86_64 2.2.49-6.el6 @base
acpid.x86_64 1.0.10-2.1.el6 @base
alsa-lib.x86_64 1.0.22-3.el6 @base
apr.x86_64 1.3.9-5.el6_2 @base
apr-util.x86_64 1.3.9-3.el6_0.1 @base
apr-util-ldap.x86_64 1.3.9-3.el6_0.1 @base
atk.x86_64 1.28.0-2.el6 @base
attr.x86_64 2.4.44-7.el6 @cr
audit.x86_64 2.2-2.el6 @base
audit-libs.x86_64 2.2-2.el6 @base
augeas-libs.x86_64 0.9.0-4.el6 @base
authconfig.x86_64 6.1.12-13.el6 @base
autoconf.noarch 2.63-5.1.el6 @base
automake.noarch 1.11.1-4.el6 @base
avahi.x86_64 0.6.25-12.el6 @base
avahi-compat-libdns_sd.x86_64 0.6.25-12.el6 @base
avahi-libs.x86_64 0.6.25-12.el6 @base
basesystem.noarch 10.0-4.el6 @anaconda-CentOS-201106060106.x86_64/6.0
bash.x86_64 4.1.2-15.el6_4 @updates
binutils.x86_64 2.20.51.0.2-5.36.el6 @base
bison.x86_64 2.4.1-5.el6 @base
bridge-utils.x86_64 1.2-10.el6 @base
btrfs-progs.x86_64 0.20-0.2.git91d9eec.el6
   @base
byacc.x86_64 1.9.20070509-7.el6 @base
bzip2.x86_64 1.0.5-7.el6_0 @updates
bzip2-libs.x86_64 1.0.5-7.el6_0 @updates
ca-certificates.noarch 2010.63-3.el6_1.5 @cr
cairo.x86_64 1.8.8-3.1.el6 @base
cdparanoia-libs.x86_64 10.2-5.1.el6 @base
celt051.x86_64 0.5.1.3-0.el6 @base
centos-release.x86_64 6-4.el6.centos.10 @base
checkpolicy.x86_64 2.0.22-1.el6 @anaconda-CentOS-201106060106.x86_64/6.0
chkconfig.x86_64 1.3.49.3-2.el6 @base
cloog-ppl.x86_64 0.15.7-1.2.el6 @base
comps-extras.noarch 17.8-1.el6 @base
coreutils.x86_64 8.4-19.el6_4.2 @updates
coreutils-libs.x86_64 8.4-19.el6_4.2 @updates
cpio.x86_64 2.10-11.el6_3 @updates
cpp.x86_64 4.4.7-3.el6 @base
cpufrequtils.x86_64 007-6.el6 @cr
cracklib.x86_64 2.8.16-4.el6 @updates
cracklib-dicts.x86_64 2.8.16-4.el6 @updates
cronie.x86_64 1.4.4-7.el6 @cr
cronie-anacron.x86_64 1.4.4-7.el6 @cr
crontabs.noarch 1.10-33.el6 @cr
cryptsetup-luks.x86_64 1.2.0-7.el6 @base
cryptsetup-luks-libs.x86_64 1.2.0-7.el6 @base
cscope.x86_64 15.6-6.el6 @base
ctags.x86_64 5.8-2.el6 @base
cups-libs.x86_64 1:1.4.2-50.el6_4.5 @updates
curl.x86_64 7.19.7-37.el6_4 @updates
cvs.x86_64 1.11.23-15.el6 @base
cyrus-sasl.x86_64 2.1.23-13.el6_3.1 @updates
cyrus-sasl-lib.x86_64 2.1.23-13.el6_3.1 @updates
cyrus-sasl-md5.x86_64 2.1.23-13.el6_3.1 @base
dash.x86_64 0.5.5.1-4.el6 @base
db4.x86_64 4.7.25-17.el6 @base
db4-utils.x86_64 4.7.25-17.el6 @base
db48.x86_64 4.8.30-1ice.rhel6 @zeroc-ice
dbus.x86_64 1:1.2.24-7.el6_3 @base
dbus-glib.x86_64 0.86-6.el6 @updates
dbus-libs.x86_64 1:1.2.24-7.el6_3 @updates
dbus-python.x86_64 0.83.0-6.1.el6 @base
dbus-x11.x86_64 1:1.2.24-7.el6_3 @base
dejavu-fonts-common.noarch 2.30-2.el6 @base
dejavu-lgc-sans-fonts.noarch 2.30-2.el6 @base
desktop-file-utils.x86_64 0.15-9.el6 @base
device-mapper.x86_64 1.02.77-9.el6 @base
device-mapper-event.x86_64 1.02.77-9.el6 @base
device-mapper-event-libs.x86_64 1.02.77-9.el6 @base
device-mapper-libs.x86_64 1.02.77-9.el6 @base
device-mapper-persistent-data.x86_64
   0.1.4-1.el6 @base
dhclient.x86_64 12:4.1.1-34.P1.el6.centos
   @base
dhcp-common.x86_64 12:4.1.1-34.P1.el6.centos
   @base
diffstat.x86_64 1.51-2.el6 @base
diffutils.x86_64 2.8.1-28.el6 @anaconda-CentOS-201106060106.x86_64/6.0
dkms.noarch 2.2.0.3-17.el6 @epel
dmidecode.x86_64 1:2.11-2.el6 @base
dnsmasq.x86_64 2.48-13.el6 @base
dosfstools.x86_64 3.0.9-4.el6 @base
doxygen.x86_64 1:1.6.1-6.el6 @base
dracut.noarch 004-303.el6 @base
dracut-kernel.noarch 004-303.el6 @base
e2fsprogs.x86_64 1.41.12-14.el6_4.2 @updates
e2fsprogs-libs.x86_64 1.41.12-14.el6_4.2 @updates
ebtables.x86_64 2.0.9-6.el6 @base
efibootmgr.x86_64 0.5.4-10.el6 @base
eggdbus.x86_64 0.6-3.el6 @base
elfutils.x86_64 0.152-1.el6 @base
elfutils-libelf.x86_64 0.152-1.el6 @cr
elfutils-libs.x86_64 0.152-1.el6 @base
epel-release.noarch 6-8 installed
ethtool.x86_64 2:3.5-1.el6 @base
expat.x86_64 2.0.1-11.el6_2 @base
febootstrap-supermin-helper.x86_64 3.12-2.el6 @base
file.x86_64 5.04-15.el6 @base
file-libs.x86_64 5.04-15.el6 @base
filesystem.x86_64 2.4.30-3.el6 @cr
findutils.x86_64 1:4.4.2-6.el6 @anaconda-CentOS-201106060106.x86_64/6.0
fipscheck.x86_64 1.2.0-7.el6 @base
fipscheck-lib.x86_64 1.2.0-7.el6 @base
flac.x86_64 1.2.1-6.1.el6 @base
flex.x86_64 2.5.35-8.el6 @base
fontconfig.x86_64 2.8.0-3.el6 @base
fontpackages-filesystem.noarch 1.41-1.1.el6 @base
freetype.x86_64 2.3.11-14.el6_3.1 @updates
fuse.x86_64 2.8.3-4.el6 @base
fuse-libs.x86_64 2.8.3-4.el6 @base
gamin.x86_64 0.1.10-9.el6 @anaconda-CentOS-201106060106.x86_64/6.0
gawk.x86_64 3.1.7-10.el6 @base
gcc.x86_64 4.4.7-3.el6 @base
gcc-c++.x86_64 4.4.7-3.el6 @base
gcc-gfortran.x86_64 4.4.7-3.el6 @base
gdb.x86_64 7.2-60.el6_4.1 @updates
gdbm.x86_64 1.8.0-36.el6 @anaconda-CentOS-201106060106.x86_64/6.0
gdisk.x86_64 0.8.6-117.1 installed
genisoimage.x86_64 1.1.9-12.el6 @base
gettext.x86_64 0.17-16.el6 @base
gettext-devel.x86_64 0.17-16.el6 @base
gettext-libs.x86_64 0.17-16.el6 @base
giflib.x86_64 4.1.6-3.1.el6 @base
git.x86_64 1.7.1-3.el6_4.1 @updates
glib2.x86_64 2.22.5-7.el6 @base
glibc.x86_64 2.12-1.107.el6_4.4 @updates
glibc-common.x86_64 2.12-1.107.el6_4.4 @updates
glibc-devel.x86_64 2.12-1.107.el6_4.4 @updates
glibc-headers.x86_64 2.12-1.107.el6_4.4 @updates
gmp.x86_64 4.3.1-7.el6_2.2 @updates
gnome-keyring.x86_64 2.28.2-8.el6_3 @base
gnome-python2.x86_64 2.28.0-3.el6 @base
gnome-python2-canvas.x86_64 2.28.0-3.el6 @base
gnome-python2-desktop.x86_64 2.28.0-4.el6 @base
gnome-python2-gconf.x86_64 2.28.0-3.el6 @base
gnome-python2-gnomekeyring.x86_64 2.28.0-4.el6 @base
gnupg2.x86_64 2.0.14-4.el6 @anaconda-CentOS-201106060106.x86_64/6.0
gnutls.x86_64 2.8.5-10.el6_4.2 @updates
gnutls-utils.x86_64 2.8.5-10.el6_4.2 @updates
gpgme.x86_64 1.1.8-3.el6 @anaconda-CentOS-201106060106.x86_64/6.0
gpm-libs.x86_64 1.20.6-12.el6 @base
gpxe-roms-qemu.noarch 0.9.7-6.9.el6 @base
grep.x86_64 2.6.3-3.el6 @base
groff.x86_64 1.18.1.4-21.el6 @base
grub.x86_64 1:0.97-81.el6 @base
grubby.x86_64 7.0.15-3.el6 @base
gstreamer.x86_64 0.10.29-1.el6 @base
gstreamer-plugins-base.x86_64 0.10.29-2.el6 @base
gstreamer-tools.x86_64 0.10.29-1.el6 @base
gtk2.x86_64 2.18.9-12.el6 @base
gtk2-engines.x86_64 2.18.4-5.el6.centos @base
gzip.x86_64 1.3.12-19.el6_4 @updates
hal.x86_64 0.5.14-11.el6 @base
hal-info.noarch 20090716-3.1.el6 @base
hal-libs.x86_64 0.5.14-11.el6 @base
hdparm.x86_64 9.16-3.4.el6 @base
hicolor-icon-theme.noarch 0.11-1.1.el6 @base
hivex.x86_64 1.3.3-4.2.el6 @base
htop.x86_64 1.0.1-2.el6 @epel
httpd.x86_64 2.2.15-29.el6.centos @updates
httpd-tools.x86_64 2.2.15-29.el6.centos @updates
hunspell.x86_64 1.2.8-16.el6 @base
hwdata.noarch 0.233-7.9.el6 @base
ice.noarch 3.4.2-1.rhel6 @zeroc-ice
ice-libs.x86_64 3.4.2-1.rhel6 @zeroc-ice
indent.x86_64 2.2.10-7.el6 @base
info.x86_64 4.13a-8.el6 @anaconda-CentOS-201106060106.x86_64/6.0
initscripts.x86_64 9.03.38-1.el6.centos.2
   @updates
intltool.noarch 0.41.0-1.1.el6 @base
iotop.noarch 0.3.2-3.el6 @base
iproute.x86_64 2.6.32-23.el6 @base
iptables.x86_64 1.4.7-9.el6 @base
iptables-ipv6.x86_64 1.4.7-9.el6 @base
iptraf.x86_64 3.0.1-14.el6 @base
iputils.x86_64 20071127-17.el6_4 @updates
iscsi-initiator-utils.x86_64 6.2.0.873-2.el6 @base
iso-codes.noarch 3.16-2.el6 @base
jasper-libs.x86_64 1.900.1-15.el6_1.1 @base
java-1.7.0-openjdk.x86_64 1:1.7.0.25-2.3.10.4.el6_4
   @updates
jline.noarch 0.9.94-0.8.el6 @base
jpackage-utils.noarch 1.7.5-3.12.el6 @base
kbd.x86_64 1.15-11.el6 @anaconda-CentOS-201106060106.x86_64/6.0
kbd-misc.noarch 1.15-11.el6 @anaconda-CentOS-201106060106.x86_64/6.0
kernel.x86_64 2.6.32-358.11.1.el6 @updates
kernel.x86_64 2.6.32-358.14.1.el6 @updates
kernel.x86_64 2.6.32-358.18.1.el6 @updates
kernel-devel.x86_64 2.6.32-358.14.1.el6 @updates
kernel-devel.x86_64 2.6.32-358.18.1.el6 @updates
kernel-firmware.noarch 2.6.32-358.18.1.el6 @updates
kernel-headers.x86_64 2.6.32-358.18.1.el6 @updates
keyutils.x86_64 1.4-4.el6 @base
keyutils-libs.x86_64 1.4-4.el6 @base
kpartx.x86_64 0.4.9-64.el6_4.2 @updates
krb5-libs.x86_64 1.10.3-10.el6_4.4 @updates
lcms-libs.x86_64 1.19-1.el6 @base
less.x86_64 436-10.el6 @base
libICE.x86_64 1.0.6-1.el6 @base
libIDL.x86_64 0.8.13-2.1.el6 @base
libSM.x86_64 1.2.1-2.el6 @base
libX11.x86_64 1.5.0-4.el6 @base
libX11-common.noarch 1.5.0-4.el6 @base
libXau.x86_64 1.0.6-4.el6 @base
libXcomposite.x86_64 0.4.3-4.el6 @base
libXcursor.x86_64 1.1.13-2.el6 @base
libXdamage.x86_64 1.1.3-4.el6 @base
libXext.x86_64 1.3.1-2.el6 @base
libXfixes.x86_64 5.0-3.el6 @base
libXfont.x86_64 1.4.5-2.el6 @base
libXft.x86_64 2.3.1-2.el6 @base
libXi.x86_64 1.6.1-3.el6 @base
libXinerama.x86_64 1.1.2-2.el6 @base
libXmu.x86_64 1.1.1-2.el6 @base
libXrandr.x86_64 1.4.0-1.el6 @base
libXrender.x86_64 0.9.7-2.el6 @base
libXt.x86_64 1.1.3-1.el6 @base
libXtst.x86_64 1.2.1-2.el6 @base
libXv.x86_64 1.0.7-2.el6 @base
libXxf86vm.x86_64 1.1.2-2.el6 @base
libacl.x86_64 2.2.49-6.el6 @base
libaio.x86_64 0.3.107-10.el6 @base
libarchive.x86_64 2.8.3-4.el6_2 @base
libart_lgpl.x86_64 2.3.20-5.1.el6 @base
libasyncns.x86_64 0.8-1.1.el6 @base
libattr.x86_64 2.4.44-7.el6 @cr
libblkid.x86_64 2.17.2-12.9.el6_4.3 @updates
libcacard.x86_64 0.15.0-2.el6 @base
libcanberra.x86_64 0.22-1.el6.centos @base
libcanberra-gtk2.x86_64 0.22-1.el6.centos @base
libcap.x86_64 2.16-5.5.el6 @base
libcap-ng.x86_64 0.6.4-3.el6_0.1 @updates
libcgroup.x86_64 0.37-7.2.el6_4 @updates
libcom_err.x86_64 1.41.12-14.el6_4.2 @updates
libconfig.x86_64 1.3.2-1.1.el6 @base
libcurl.x86_64 7.19.7-37.el6_4 @updates
libdaemon.x86_64 0.14-1.el6 @base
libdrm.x86_64 2.4.39-1.el6 &