mcelog: failed to prefill DIMM database from DMI data & mcelog: mcelog server already running

这个错误由重复启动mcelog引起

[logs]# > /var/log/mcelog
[logs]# ps -aux |grep mcelog
root     14760  0.0  0.0   4976   140 ?        Ss   05:12   0:00 /diag/bin/mcelog --daemon
root     16890  0.0  0.0  11288  1008 pts/0    S+   06:17   0:00 grep mcelog
[logs]# kill 14760
[logs]# cat /var/log/mcelog 
[logs]# /diag/bin/mcelog --daemon
[logs]# cat /var/log/mcelog      
[logs]# /diag/bin/mcelog --daemon
[logs]# cat /var/log/mcelog      
mcelog: failed to prefill DIMM database from DMI data
mcelog: mcelog server already running