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Cisco Bug: CSCuw48407 - 47xx line card failing diagnostics after temp sensor failure / VSi stall

Last Modified

Sep 12, 2018

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(3.7.1E)

Description (partial)

Symptom:
47xx line card would fail the complete diagnostics and from the logs we would be able to see the following error message

%C4K_CHASSIS-3-ALLMODULETEMPERATURESENSORSFAILED: All temperature sensors on module 1 have failed.

2nd signature , we might see is  VSI STALL  and reload of module :

%C4K_VSI-3-ENTERINGSTALL: VSI driver Slot-04 stalling at 1138634910 requests sent, 728730302 handled
 %C4K_VSI-3-CLEARINGSTALL: VSI driver Slot-04 exiting stall after 0.460779636s


in show platform VSl all , you would see :

Target              Seconds  Error
---------------    --------  ----------
vli:008:1:000             0  VliDataWait Timed out
vli:008:1:000             0  VliDataWait Timed out


you might see values like 007 or 008 .

it points to same STUB .
As per architecture of these line cards  WS-X4640-CSFP-E   , there are 7 stubs  starting from 004.
Therefore ,  007 , 008 point to one of the 7 stubs.

Conditions:
There is no specific condition and the issue is intermittent.
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