現象
[oracle@]$
Message from syslogd@dl580 at Aug  7 12:06:16 ...
 kernel:NMI: IOCK error (debug interrupt?)

Message from syslogd@dl580 at Aug  7 12:06:16 ...
 kernel:Stack:

Message from syslogd@dl580 at Aug  7 12:06:16 ...
 kernel:Call Trace:

Message from syslogd@dl580 at Aug  7 12:06:16 ...
 kernel:Code: ff ff a8 08 75 25 31 d2 48 8d 86 38 e0 ff ff 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 c 89 e0 0f 01 c9 ba 6a dd ff 4c 29 e8 48 89 c7 e8 df bc da ff 49 89 c4 49 89

Solution

  • Set the following parameter in /etc/sysctl.conf: 
    # panic_on_io_nmi = 1 (刪除)
    kernel.sysrq = 1
    kernel.panic = 10
    kernel.panic_on_oops  = 1
    kernel.unknown_nmi_panic = 1
    kernel.panic_on_unrecovered_nmi = 1
  • vi /boot/grub/menu.lst
    nmi_watchdog=0

via。http://blog.xuite.net/fenctang/twblog/106972846-RedHat%5D+RHEL+6.2+-+kernel%3ANMI%3A+IOCK+error+%28debug+interrupt%3F%29