用户注销后系统死机

xindo

用户注销后系统死机，现在没能重现故障，求各位神仙帮忙看看是什么问题。


操作系统：RHEL5.9 64位
硬件：DELL  poweredge R910
现象：在gnome图形界面下使用普通用户登录，注销登录后系统死机，屏幕黑的，ping不通，之后只能强制按电源重启。
系统日志：
Jan  2 16:28:03 simon gconfd (syn-30064): starting (version 2.14.0), pid 30064 user 'syn'
Jan  2 16:28:03 simon gconfd (syn-30064): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0
Jan  2 16:28:03 simon gconfd (syn-30064): Resolved address "xml:readwrite:/syn/.gconf" to a writable configuration source at position 1
Jan  2 16:28:03 simon gconfd (syn-30064): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2
Jan  2 16:28:04 simon nm-system-settings: Loaded plugin ifcfg-rh:   2007 - 2008 Red Hat, Inc.  To report bugs please use the NetworkManager mailing list.
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-bond0 ...
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh:     read connection 'System bond0'
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-eth3 ...
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh:     read connection 'System eth3'
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-eth0 ...
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh:     error: Missing or invalid IP4 prefix '0'
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-eth2 ...
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh:     read connection 'System eth2'
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-eth1 ...
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh:     error: Missing or invalid IP4 prefix '0'
Jan  2 16:28:04 simon nm-system-settings:    ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
Jan  2 16:28:04 simon gconfd (syn-30064): Resolved address "xml:readwrite:/syn/.gconf" to a writable configuration source at position 0
Jan  2 16:28:25 simon scim-bridge: Panel client has not yet been prepared
Jan  2 16:28:25 simon scim-bridge: Cleanup, done. Exitting...
Jan  2 16:28:25 simon gconfd (syn-30064): Exiting

xindo

自己顶，继续等。