PCPU6 Locked up. Failed to ack TLP invalidate

[compcentrum]

Longer period occurs after 2 days purple screen on machine SUN Fire X 4150 / 2x Intel Xeon X5420 / 20GB RAM

Does anyone have an idea what this could cause?

[SG1234]

have u run hardware diagnostics to see check if there was a hardware issue ?

[compcentrum]

I used the last Sun X4150 Diagnostic DVD and ran all the tests and did not show any error, any idea?

[SG1234]

this kb should help -- let us know how it goes

VMware KB: Understanding a Failed to ack TLB invalidate purple diagnostic screen

[Wh33ly]

- Make sure your hardware is supported and on the HCL

     VMware Compatibility Guide: System Search

- Make sure you applied all the latest patches from ESXi, and your hardware (BIOS/Firmware etc)

Use article below to troubleshoot:

VMware KB: Understanding a Failed to ack TLB invalidate purple diagnostic screen