centOS 无故关机，高手帮忙分析下

woxin

我在 笔记本装乐 6.5   用一会就关机乐，重启 还是这样，啥原因呢？
message：最后几行如下
May 30 21:02:57 liu-jq pcscd: eventhandler.c:139:EHDestroyEventHandler() Waiting polling thread
May 30 21:02:57 liu-jq pcscd: utils.c:123:StatSynchronize() Can't open /var/run/pcscd.events/event.3400.16991652: Bad file descriptor
May 30 21:02:57 liu-jq pcscd: eventhandler.c:474:EHStatusHandlerThread() Die
May 30 21:02:57 liu-jq pcscd: eventhandler.c:163:EHDestroyEventHandler() Thread stomped.
May 30 21:02:57 liu-jq pcscd: readerfactory.c:1062:RFUnInitializeReader() Attempting shutdown of Lenovo Integrated Smart Card Reader 00 00.
May 30 21:02:57 liu-jq pcscd: ifdhandler.c:236:IFDHCloseChannel() usb:17ef/1003:libhal:/org/freedesktop/Hal/devices/usb_device_17ef_1003_noserial_if0 (lun: 0)
May 30 21:02:57 liu-jq pcscd: readerfactory.c:914:RFUnloadReader() Unloading reader driver.
May 30 21:02:57 liu-jq pcscd: pcscdaemon.c:531:at_exit() cleaning /var/run
May 30 21:02:57 liu-jq acpid: exiting
May 30 21:02:57 liu-jq NetworkManager[2248]: <info> caught signal 15, shutting down normally.
May 30 21:02:57 liu-jq NetworkManager[2248]: <info> (eth0): cleaning up...
May 30 21:02:57 liu-jq NetworkManager[2248]: <info> (eth0): taking down device.
May 30 21:02:58 liu-jq NetworkManager[2248]: <info> (wlan0): taking down device.
May 30 21:02:58 liu-jq dnsmasq[3021]: no servers found in /etc/resolv.conf, will retry
May 30 21:02:58 liu-jq NetworkManager[2248]: <info> exiting (success)
May 30 21:02:59 liu-jq rtkit-daemon[3236]: Demoting known real-time threads.
May 30 21:02:59 liu-jq rtkit-daemon[3236]: Demoted 0 threads.
May 30 21:02:59 liu-jq console-kit-daemon[3112]: WARNING: no sender#012
May 30 21:02:59 liu-jq nm-dispatcher.action: Disconnected from the system bus, exiting.
May 30 21:02:59 liu-jq init: Disconnected from system bus
May 30 21:02:59 liu-jq rpcbind: rpcbind terminating on signal. Restart with "rpcbind -w"
May 30 21:02:59 liu-jq kernel: Kernel logging (proc) stopped.
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