Performing A Non-Maskable Interrupt - NEC Express5800/320Ma User Manual

If the system is still not responding after an SSR, or if the operating system has been
restored but another part of the system (for example, keyboard or mouse) is not
responding to the operating system, try the following procedures, which are listed in
order by ascending severity level:
•
Perform a non-maskable interrupt
•
Perform a hard reset
•
Power off the system
•
Force the system to power off
Related Topics
•
"Viewing the System Event Log"
•
"Powering On the System"

Performing a Non-Maskable Interrupt

If the Express5800/320Ma system is not responding, but the operating system is
running, perform a non-maskable interrupt (NMI) from the
the contents of memory to a dump file, and then restarts the operating system.
Interrupts try to keep all CPUs synchronized while the
resolve the problem.
If the NMI is successful, a message is displayed indicating that the operating system
has failed. The operating system is then restarted. If the NMI does not restore the
operating system, the system controller starts a
then starts a full
!
If performing an NMI does not resolve the problem, see
Longer Responding"
from the Troubleshoot tab.
from the Manage tab.
N O T E
If the operating system is not running, the NMI button is
unavailable and cannot be clicked. In this case, try
performing a hard reset.
fault-resilient boot
C A U T I O N
Before performing an NMI, make sure that no other
administrators are using the system.
for a list of other steps to try.
When the System Is No Longer Responding
from the Troubleshoot tab.
from the Troubleshoot tab.
state-sensitive system
if the SSR fails.
Reviving a System That Is Not Responding
VTM console. An NMI saves
system controller attempts to
recovery, and
"When the System Is No
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