vSphere PSOD on UCS with e5-2600v4

This is one I’ve encountered a couple of times already and just opened a support ticket with Cisco the same day VMware released their KB to see if there was a fix coming and when. This appears to be a Cisco UCS firmware fix for the Intel Xeon e5-2600v4 microcode bug that has been causing purple screen of death (PSOD) issues with vSphere per their KB.

Specifically I see this called out in the resolved caveats in UCS release 2.2(8b) which just came out under Cisco bug ID CSCva72096. Note that it appears that there isn’t yet a fix in the 3.1 code but it there was a simultaneous release of the 2.2(7) train with release 2.2(7e) that also was just released.