3650 crashes after upgrading to 16.12.3a

[joopv]

3 3650-24PDM switches upgraded to 16.12.3a. 

Then 2 of them crash with a Critical software exception.  One of these even repeatedly crashes, 3 times in 3 days.

Last reload reason: Critical software exception

[balaji.bandi]

what version was before - do you have complete logs capture when it crashed?

can you post dir output here?

[joopv]

Thanks for the answers!

Previous version was 16.6.3

S007#sh ver
Cisco IOS XE Software, Version 16.12.03a
Cisco IOS Software [Gibraltar], Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 16.12.3a,

June 20 was the day of the upgrade.

[Leo Laohoo]

Post the complete output to the following commands: 

sh version
dir flash-<STACK NUMBER THAT CRASHED>:core

[joopv · Accepted solution]

The cause of these crashes is CSCvt76409

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt76409/?rfs=iqvred