Inspur NF8260M5, User Manual, Page: 148 / 205

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8.11.3 BMC Watchdog for System
Software watchdog can be used for a number of system timeout function by system
management or by BIOS. If software watchdog is triggered, the following actions are
available.

System Reset

System Power Off

System Power Cycle

When BMC watchdog working, BMC will record SEL log.
8.11.4 BMC Recovery
Users can reset BMC from WEB or IPMI interface in case of abnormal situation.

Warm reset BMC, use “ipmitool mc reset warm”, IPMI Server, KVM Server, WEB Server
will be reset.

Cold reset BMC, use WEB or “ipmtool mc reset cold”, BMC will be reset.

KVM reset, user WEB and KVM server will be reset.
Figure 8-35 BMC Recovery
8.12 BMC Self Recovery
BMC Self Recovery provides the ability of automatic repair operations as well if necessary.
8.12.1 Hardware Watchdog
Known fault scenarios:

Kernel panic

System resources exhausted or error, system can’t create a new task, but the original task
can continue to run.
Hardware watchdog:

Watchdog starts when uboot loads kernel, and the timeout is 5 minutes. If BMC boot
timeout occurs, BMC will reset.

After the BMC system starts, the main process resets the Watchdog every minute. If the