kernel:BUG: soft lockup - CPU#141 stuck for 21s!

生产环境两节点oracle RAC数据库，先是客户反映业务系统慢，后来反映无法登录，开始我以为是服务器某节点资源占用较高导致，我连上去top看cpu、内存占用正常，刚看完，服务器抛出下面的信息，然后就重启了。
Message from syslogd@yxv6db2 at Nov 15 11:47:47 ...
kernel:BUG: soft lockup - CPU#141 stuck for 21s! [oracle:228937]

Message from syslogd@yxv6db2 at Nov 15 11:47:56 ...
kernel:BUG: soft lockup - CPU#73 stuck for 21s! [oracle:81176]

Message from syslogd@yxv6db2 at Nov 15 11:47:57 ...
kernel:BUG: soft lockup - CPU#189 stuck for 22s! [oracle:81384]

Message from syslogd@yxv6db2 at Nov 15 11:47:58 ...
kernel:BUG: soft lockup - CPU#40 stuck for 22s! [oracle:240903]

Message from syslogd@yxv6db2 at Nov 15 11:47:58 ...
kernel:BUG: soft lockup - CPU#43 stuck for 22s! [oracle:81323]

Message from syslogd@yxv6db2 at Nov 15 11:47:59 ...
kernel:BUG: soft lockup - CPU#95 stuck for 22s! [oracle:81184]

各位大神有遇到过类似情况的么，求各位大神指导。