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1 fp (nmi) interrupt – next steps, Fp (nmi) interrupt, Next steps – Kontron S4600 SEL Troubleshooting User Manual

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System Event Log Troubleshooting Guide for EPSD

Platforms Based on Intel

®

Xeon

®

Processor E5 4600/2600/2400/1600/1400 Product Families

Chassis Subsystem

Revision 1.1

Intel order number G90620-002

99

Table 75: FP (NMI) Interrupt Sensor Typical Characteristics

Byte

Field

Description

11

Sensor Type

13h = Critical Interrupt

12

Sensor Number

05h

13

Event Direction and
Event Type

[7] Event direction

0b = Assertion Event

1b = Deassertion Event

[6:0] Event Type = 6Fh (Sensor Specific)

14

Event Data 1

[7:6]

– 00b = Unspecified Event Data 2

[5:4]

– 00b = Unspecified Event Data 3

[3:0]

– Event Trigger Offset =0h

15

Event Data 2

Not used

16

Event Data 3

Not used

10.2.1

FP (NMI) Interrupt – Next Steps

The purpose of this button is for diagnosing software issues

– when a critical interrupt is generated the OS typically saves a memory

dump. This allows for exact analysis of what is going on in system memory, which can be useful for software developers, or for
troubleshooting OS, software, and driver issues.

If this button was not actually pressed, you should ensure there is no physical fault with the front panel.

This event only gets logged if a user pressed the NMI button or sent an IPMI Chassis Control command requesting this action, and
although it causes the OS to crash, is not an error.

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