Cisco Bug: CSCuq70724 - DIMM I2C controller should reset when controller gets stuck
Dec 10, 2015
- Cisco Unified Computing System
Known Affected Releases
2.1(1a)B 2.1(2a)B 2.1(3a)B 2.2(1a)B 2.2(2c)BS26
Symptom: The chassis FAN speeds will spin at 100% because the chassis/IOM cannot obtain DIMM temperature readings from a blade. When in this state, the blade can no longer obtain DIMM temperature sensors. Conditions: An invalid I2C transaction occurred on the DIMM I2C bus. These transactions often come from software running on the x86 host.
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Bug Details Include
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