Fujitsu SPARC M12-1
 
Fujitsu SPARC M12-2
 
Fujitsu SPARC M12-2S
 

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In this Document

Purpose

Details

References

Applies to:

Purpose

Provide additional information for message ID: M12-i2c.device

Fujitsu fault codes:

018B0001, 018F0004, 018F0005, 018F0006, 018F0007, 019100a1,
019100a2, 019100a3, 019100a4, 019100a5, 019100a6, 019108f1,
019109f1, 01910Af1, 01910Bf1, 01910Cf1, 019111F2, 01912DF1,
01912FF1, 01940101, 01940102, 01940103

Details

Type

Hardware Fault

   i2c.device

Severity

Major

Description

Fault due to I2C access failure to I2C devices on the FRU.

The devices that are accessible are:

- sensors:

- temperature sensors;
- LED controllers;
- Voltage sensors;
- Fan rotation sensors;
- LLC pump rotation sensors;

- controllers:

- keyswitches;
- 4-channel I2C MUXes;
- Voltage controllers;
- Voltage controller in DDCs;
- PCI hot plug controllers;
- Onboard Giga-LAN chip;
- Onboard USB chip;
- RTC;

- seeprom:

- FRUID SEEPROMs;
- SEEPROMs to backup XSCF data;

- other:

- SPD-ROM;

These devices can no longer be accessed or controlled by the XSCF.

Automated Response

If the resource that is inaccessible is one of the sensors (it may be the temperature sensor), then all the fans on the box are turned to high speed.

Impact

If the resource that is inaccessible is one of the controller or the seeprom, then the FRU is deconfigured the next time the box is restarted (after a box restart or poweron).

If the resource that is inaccessible is SPD-ROM on a DIMM, then The DIMM is deconfigured once the domain using the DIMM reboots. This means that an entire bank of memory (either 4 DIMMs or 8 DIMMs, depending upon the configuration) is deconfigured.

If the resource that is inaccessible is one of the sensors, then nothing is deconfigured.

Indicted Hardware

The FRU is marked for replacement.

Suggested Action for System Administrator

The recommended service action for this event is to schedule replacement of the affected component(s) at the earliest possible convenience. Although the hardware may be functioning, it is not intended nor recommended that the faulted component(s) remain in the system for a prolonged period of time.

Refer to the following document for the latest procedures for displaying event content in preparation for submitting a service request and applying any post-repair actions that may be required.

PSH Procedural Article for Fujitsu M10 Diagnosis (Doc ID 1525156.1)

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