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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


Description (partial)

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.

There is no specific condition and the issue is intermittent.
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