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Cisco Bug: CSCvs53720 - The cipmi/messaging thread is stalled on blade servers causing them to be inaccessible/disconnected

Last Modified

Jan 06, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

3.2(3g)B

Description (partial)

Symptom:
The blade server will be disconnected from UCS Manager with the fault: "no connection to MC endpoint".

The OBFL/messages logs will show that the cipmi/messaging thread is stalled repeatedly.

1:2019 Dec 17 12:24:06 UTC:3.1(26g):kernel:-:<1>[do_slave_operation]:931:I2C Controller 5 software FIFO is full.
1:2019 Dec 17 12:24:07 UTC:3.1(26g):kernel:-:              last message repeated 11 times
4:2019 Dec 17 12:24:07 UTC:3.1(26g):cipmi:1042: oem_common.c:309:Error: the 'messaging' thread is stalled.
1:2019 Dec 17 12:24:08 UTC:3.1(26g):kernel:-:<1>[do_slave_operation]:931:I2C Controller 5 software FIFO is full.
1:2019 Dec 17 12:24:09 UTC:3.1(26g):kernel:-:              last message repeated 9 times
4:2019 Dec 17 12:24:09 UTC:3.1(26g):cipmi:1042: oem_common.c:309:Error: the 'messaging' thread is stalled.
1:2019 Dec 17 12:24:10 UTC:3.1(26g):kernel:-:<1>[do_slave_operation]:931:I2C Controller 5 software FIFO is full.
1:2019 Dec 17 12:24:12 UTC:3.1(26g):kernel:-:              last message repeated 11 times
4:2019 Dec 17 12:24:11 UTC:3.1(26g):cipmi:1042: oem_common.c:309:Error: the 'messaging' thread is stalled.
1:2019 Dec 17 12:24:12 UTC:3.1(26g):kernel:-:<1>[do_slave_operation]:931:I2C Controller 5 software FIFO is full.

Conditions:
UCS B200 M5
UCSM 3.2(3g)
CIMC 3.1(26g)
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